CN208297804U - Optical system - Google Patents

Abstract

The utility model provides an optical system, including a fixed part, a movable part and a drive assembly. The movable part moves relative to the fixed part, and the movable part comprises a lens unit which comprises a first lens, a second lens, a first side wall and a second side wall. The first side wall has a first face directly contacting the second lens. The second sidewall directly contacts the first lens. A part of the driving component is directly arranged on the lens unit and is configured to drive the lens unit to move along the direction of an optical axis of the first lens. The first side wall further has a second surface directly contacting the portion of the driving assembly relative to the first surface, and the first side wall has a thickness different from a thickness of the second side wall.

Description

Optical system

Technical field

The utility model relates to a kind of optical system, in particular to a kind of optical system with integrated lens unit System.

Background technique

With the development of science and technology, many electronic devices (such as tablet computer or smart mobile phone) all have photograph or record now The function of shadow.By the optical system (such as a photographing module) being set on electronic device, user can operate electronics dress It sets to obtain miscellaneous photo, so that the electronic device with photographing module is also gradually liked by masses.

The design of electronic device now is constantly towards the trend development of micromation, so that the various elements of photographing module Or its structure also must constantly reduce, to realize the purpose of micromation.In general, photographing module is carried with a camera lens Part configures to carry a lens unit, and is equipped with multiple optical mirror slips in lens unit.However, existing camera lens carrying Though the function that part and lens unit can realize aforementioned photograph or make video recording, but still it is unable to satisfy all demands of micromation.

Therefore, the photographing module for how designing a kind of micromation is worth discussion now and the project solved.

Utility model content

In view of this, the utility model proposes a kind of optical system of micromation being installed in electronic device, to solve Above-mentioned problem.

The embodiments of the present invention disclose a kind of optical system, including a fixed part, a movable part and a driving Component.Movable part is mobile relative to fixed part, and movable part includes a lens unit, and lens unit includes one first eyeglass, one Second eyeglass, a first side wall and a second sidewall.The first side wall has one first face, directly contacts the second eyeglass.The Two side walls directly contact the first eyeglass.A part of driving assembly is directly set on lens unit, is configured to drive mirror Head unit is moved along the direction of an optical axis of the first eyeglass.Wherein the first side wall has more one second face, relative to the first face, Second face directly contacts the preceding sections of driving assembly, and the thickness of the first side wall is different from the thickness of second sidewall.

According to some embodiments of the utility model, the thickness of the first side wall is greater than the thickness of second sidewall.Second eyeglass portion It is exposed to the second sidewall with dividing.According to some embodiments of the utility model, lens unit also include an electrical junction and One surface, electrical junction are set on surface, and surface is towards the light incident side of optical axis.Electrical junction be set to this first On side wall.According to some embodiments of the utility model, optical system also includes an elastic element, and elastic element has an electricity Property contact, wherein electrical junction is electrically connected at electrical contact, and electrical contact on the direction of optical axis with lens unit it Between have a gap.

According to some embodiments of the utility model, electrical junction also includes a lug boss, is extended along the direction of optical axis, And lug boss is greater than gap along the height in the direction of optical axis.Elastic element also includes a narrow part, adjacent to the electrical contact. According to some embodiments of the utility model, optical system also includes an elastic element, is set on lens unit, and by optical axis When direction is observed, elastic element is Chong Die with the second optic portion.

According to some embodiments of the utility model, optical system also includes a position sensing component, the position sensing component With a magnetic force sensing unit and a magnetic element, and magnetic element is set to second sidewall.

According to some embodiments of the utility model, optical system also includes a circuit unit, and magnetic force sensing unit is set to On circuit unit, and circuit unit has a first side and a second side, corresponds respectively to the first side wall and second Side wall.

According to some embodiments of the utility model, magnetic force sensing unit is set in second side, and circuit unit also wraps Containing an electrical pin, it is set to first side.Optical system also includes a frame, and the frame has a recessed portion, configuration with Accommodate a part of the circuit unit.Frame further includes that a side extends to retainer along the direction of the optical axis, and corresponding to should Second sidewall.And along the direction of a part, according to some embodiments of the utility model, fixed part includes a pedestal, optical system Include also multiple metal components, is set in pedestal, and at least a metal component is electrically connected at driving assembly.Pedestal also includes Multiple pillars extend along the direction of the optical axis, and at least a metal component is buried in corresponding pillar.Moreover, burying in convex Metal component in column is partly exposed to pillar.Fixed part also includes a shell, and a part of those metal components is fixed Ground is connected to the shell.According to some embodiments of the utility model, optical system also includes a frame and a circuit unit, electricity Road unit is set in frame and is electrically connected at driving assembly.

According to some embodiments of the utility model, fixed part also includes a shell, and there are two shell tools relatively and is parallel to A first side and a second side for optical axis, and optical axis is unequal at a distance from the first, second side.Driving assembly setting Between the first side and the first side wall, and the optical axis is greater than the optical axis and the second side at a distance from the first side Distance.According to some embodiments of the utility model, optical system also includes a guidance set, so that lens unit can be consolidated relatively Determine portion to move along a first direction, wherein guidance set partially overlaps the second eyeglass when being observed by the direction of optical axis.

The utility model embodiment provides a kind of optical system, is installed in electronic device, configures to obtain image.Yu Ben In each embodiment of utility model, optical system only has a lens unit, configures to carry multiple eyeglasses, without volume Outer setting one optical element load-bearing part carries predicate lens.Therefore, the overall dimensions of optical system can reduce, to reach micro- The purpose of type.In addition, lens unit carries different size of eyeglass, such as the uppermost component of lens unit (at light incidence) Lesser eyeglass is carried, therefore a upper surface of lens unit can be formed with other structures, to connect other yuan of optical system Part (such as the first elastic element, first coil and second coil).Then, the overall dimensions of optical system can further contract It is small, to achieve the purpose that micromation.

Furthermore in some embodiments of the utility model, optical system may include having multiple metal components, to mold interconnection The mode of object is formed in pedestal, and partial metal component is exposed to outside pedestal, to be electrically connected at the first elasticity member Part and driving assembly (such as first coil and the second coil).In addition, the metal component not being electrically connected with the first elastic element The structural strength of pedestal can be strengthened.

In addition, optical system may include a guidance set (such as multiple ball) in another embodiment of the utility model, It is set between lens unit and the pillar of pedestal, therefore lens unit can be by guidance set smoothly along the side of optical axis To relative to pedestal movement.

Middle disclosure will be explained below in additional features and benefits in the utility model, and part can be by aftermentioned explanation It has a clear understanding of, or can be learnt by disclosed principle via practice in book.The features and benefits of the utility model can be by aftermentioned The combination of specifically noted instrument or device in claim and realize and obtain.These and other features of the utility model Can be become more apparent upon by aftermentioned specification and claim or can by principle disclosed in the utility model via practice and It learns.

Detailed description of the invention

Fig. 1 is the stereoscopic schematic diagram of an optical system of an embodiment.

Fig. 2 is the exploded view according to the optical system of the embodiment of the utility model Fig. 1.

Fig. 3 indicates the three-dimensional cutaway view of the A-A ' line segment along Fig. 1.

Fig. 4 is the top view according to the lens unit of an embodiment of the present invention.

Fig. 5 is the partial structure diagram of the optical system of an embodiment of the present invention.

Fig. 6 is the partial enlarged view according to the embodiment of the utility model Fig. 5.

Fig. 7 is according to first elastic element of an embodiment of the present invention and the top view of eyeglass.

Fig. 8 is the schematic diagram removed after shell according to the optical system of an embodiment of the present invention.

Fig. 9 is the optical system according to the utility model embodiment in the schematic diagram at another visual angle.

Figure 10 is the top view that shell and frame are removed according to the optical system of an embodiment of the present invention.

Figure 11 is the stereoscopic schematic diagram removed after shell according to an optical system of another embodiment of the utility model.

Figure 12 is the partial structure diagram according to the optical system of the embodiment of the utility model Figure 11.

Figure 13 is the top view according to an optical system of another embodiment of the utility model.

Figure 14 is the exploded view according to the optical system of another embodiment of the utility model.

Figure 15 is the top view according to the part-structure of the optical system of another embodiment of the utility model.

Description of symbols:

100,100A optical system

102 shells

1021 housing openings

1023 accommodating spaces

104 frames

1041 openings

1043 grooves

1044 sides are to retainer

1045 recessed portions

1046 recesses

104A frame

106 first elastic elements

1061 electrical contacts

1062 narrow parts

1063 interconnecting pieces

1064 protrusions

108 lens units

1081 the first side walls

The first face 1081A

The second face 1081B

1082 second sidewalls

1083 accommodation grooves

1084 retaining lugs

1085 lug bosses

1086 openings

Stopper section under 108D

The upper surface 108S

The upper stopper section 108U

110 second elastic elements

112 pedestals

1121 holes on base

1122 pillars

1123 accommodation grooves

114 circuit units

1141 first sides

1142 second sides

1143 electrical pins

1144 electrical contacts

1145 electrical contacts

116 magnetic force sensing units

118 metal components

120 metal components

200 optical systems

202 shells

2023 accommodating spaces

2027 first sides

2028 second sides

204 frames

2044 sides are to retainer

208 lens units

2081 the first side walls

2082 second sidewalls

2086 grooves

212 pedestals

2122 pillars

2124 pillars

2125 guide channels

214 circuit units

2143 electrical pins

215 plate bodys

216 magnetic force sensing units

250 metal components

260 rolling members

CL11 first coil

The second coil of CL12

CL13 coil

The end CLT

D1 distance

D2 distance

The gap GP

H height

The first eyeglass of LS1

The second eyeglass of LS2

LS3 third eyeglass

The 4th eyeglass of LS4

The 5th eyeglass of LS5

The 6th eyeglass of LS6

The first magnet of M11

The second magnet of M12

M13 magnet

MGS magnetic element

O optical axis

SD scolding tin

T1, T2 thickness

Specific embodiment

In order to which purpose, feature and the advantage of the disclosure can be clearer and more comprehensible, special embodiment below, and appended by cooperation Diagram elaborates.Wherein, the configuration of each element in embodiment for the purpose of illustration, not to limit the disclosure.And it is real The part for applying appended drawing reference in example repeats, to simplify the explanation, the relevance being not meant as between different embodiments.Implement below The direction term being previously mentioned in example, such as: upper and lower, left and right, front or rear etc. are only the directions with reference to attached drawing.Therefore, it uses Direction term is used to illustrate not to be used to limit the disclosure.

In addition, the term of relativity, such as " lower " or " bottom " and " higher " or " top " may be used in embodiment, To describe relativeness of the element for another element of diagram.It is appreciated that, if the device overturning of diagram made It turns upside down, then the element described in " lower " side will be as the element in " higher " side.

Here, the term of " about ", " about " is generally represented within the 20% of a given value or range, preferably 10% it It is interior, and within preferably 5%.Given quantity is quantity about herein, implies that in the case where no certain illustrated, still may be used The meaning of implicit " about ", " about ".

Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the stereoscopic schematic diagram of an optical system 100 of an embodiment, and Fig. 2 is according to this reality With the exploded view of the optical system 100 of the embodiment of novel Fig. 1, and Fig. 3 indicates the three-dimensional cutaway view of the A-A ' line segment along Fig. 1. Optical system 100 can be an optical camera system, configure to carry and drive an optical element (not shown), and optical system System 100 is mountable to various electronic devices or portable electronic device, such as is set to smart phone or tablet computer, for making The function of user's execution image capturing.In this embodiment, optical system 100 can be for having auto-focusing (AF) function Voice coil motor (VCM), but the utility model is not limited.In other embodiments, optical system 100 can also have automatic right Burnt (AF) and optical anti-shake (OIS) function.

As shown in Figure 1 to Figure 3, in the present embodiment, optical system 100 mainly include a shell 102, a frame 104, One first elastic element 106, a lens unit 108, one first magnet M11, one second magnet M12, a first coil CL11, one Second coil CL12, one second elastic element 110, a pedestal 112, a circuit unit 114, a magnetic element MGS and a magnetic Power sensing unit 116.In this embodiment, shell 102, frame 104 and pedestal 112 may be defined as a fixed part, and mirror Head unit 108 may be defined as a movable part, mobile relative to fixed part.Again, it should be noted that in other embodiments, Gu Determining the element in portion can also be adjusted to mobilizable (imply that and be contained in movable part) according to actual needs, such as frame 104 can be It is designed as in other embodiments mobilizable.

As shown in Fig. 2, previous housings 102 have a hollow structure, and it is formed with a housing openings 1021, pedestal thereon A holes on base 1121 is formed on 112, the center of housing openings 1021 corresponds to multiple eyeglasses that lens unit 108 is carried Optical axis O, and holes on base 1121 corresponds to Image Sensor (not shown) below pedestal 112 is arranged in.Exterior light Line can be entered shell 102 and after the optical element and framework aperture 1121 by aforementioned image sensing by housing openings 1022 Element (not shown) is received, to generate a digital image signal.

Furthermore shell 102 can have an accommodating space 1023, to accommodate aforesaid frame 104, lens unit 108, first Elastic element 106, the first magnet M11, the second magnet M12, first coil CL11, the second coil CL12 and circuit unit 114 Equal elements.In this embodiment, the first magnet M11, the second magnet M12, first coil CL11 and the second coil CL12 can determine Justice is a driving assembly, and driving assembly is electrically connected at circuit unit 114 and lens unit 108 can be driven to move relative to fixed part It is dynamic such as mobile relative to pedestal 112.

As shown in Figure 2 and Figure 3, in this embodiment, frame 104 has an opening 1041 and two grooves 1043, opens 1041 configuration of mouth is to accommodate lens unit 108, and the configuration of those grooves 1043 to accommodate the first magnet M11 and the second magnetic respectively Iron M12.However, the quantity embodiment without being limited thereto of groove 1043 and magnet.In this embodiment, the first magnet M11 and second The shape of magnet M12 can be strip, but not limited to this, such as can have different shapes in other embodiments.In addition, the One magnet M11 or the second magnet M12 can be a multipole magnet.

As shown in Figure 2 and Figure 3, frame 104 is fixedly arranged on the inner wall of shell 102, and first magnet M11 and the second magnet M12 can also be fixedly arranged at the inner wall of shell 102.As shown in Figure 2 and Figure 3, in this embodiment, First coil CL11 and the second coil CL12 can be coiled wire-wound coil, be set on the two opposite sides of lens unit 108.Wherein, One coil CL11 corresponds to the first magnet M11, and the second coil CL12 corresponds to the second magnet M12.When first coil CL11 with And when the second coil CL12 energization, electromagnetic driving force can be generated with the first magnet M11 and the second magnet M12 respectively (electromagnetic force), to drive lens unit 108 and the eyeglass carried relative to pedestal 112 along light The direction (Z-direction) of axis O is mobile.Moreover, it is noted that the first coil CL11 and second as provided by the disclosure Coil CL12 is respectively arranged at the two opposite sides of lens unit 108, therefore can reduce to other yuan inside optical system 100 The magnetic disturbance problem of part.

Fig. 2 and Fig. 4 are please referred to, Fig. 4 is the top view according to the lens unit 108 of an embodiment of the present invention.Such as Fig. 4 Shown, lens unit 108 has an opening 1086, and lens unit 108 may include two the first side walls being oppositely arranged 1081 and two second sidewalls 1082 being oppositely arranged.In this embodiment, the first side wall 1081 has a thickness T1, wherein Thickness T1 may be defined as the edge of the opening 1086 of lens unit 108 and the distance between the outermost edges of the first side wall 1081 (the first side wall 1081 may include retaining lugs 1084).In addition, second sidewall 1082 has a thickness T2, wherein thickness T2 can determine The edge of the adopted opening 1086 for lens unit 108 and the distance between the outermost edges of second sidewall 1082, and thickness T1 is different from thickness T2, such as thickness T1 is greater than thickness T2.It is different from 1082 thickness of second sidewall based on the first side wall 1081 Design, it is possible to reduce lens unit 108 along Y direction width so that optical system 100 reaches the mesh of micromation 's.

Furthermore in this embodiment, lens unit 108 is configured to carry one or more eyeglasses.For example, such as Fig. 3 institute Show, lens unit 108 carries one first eyeglass LS1, one second eyeglass LS2, a third eyeglass LS3, one the 4th eyeglass LS4, one 5th eyeglass LS5 and one the 6th eyeglass LS6, but the eyeglass not limited to that lens unit 108 is carried is in this embodiment.Its In, the first side wall 1081 directly contacts above-mentioned multiple eyeglasses with the medial surface of second sidewall 108.Specifically, as shown in figure 3, The first side wall 1081 has one first face 1081A and the one second face 1081B relative to the first face 1081A, the first face 1081A The first eyeglass LS1 and the second eyeglass LS2 is directly contacted, and the second face 1081B contacts the second coil CL12.It is worth noting that, There was only the first side wall 1081 between second eyeglass LS2 and the second coil CL12, implies that and do not needed in the lens unit 108 of the disclosure Predicate lens are additionally carried using an optical element load-bearing part again, therefore can reduce the overall dimensions of lens unit 108.Separately Outside, as shown in Fig. 2, the thickness T2 due to second sidewall 1082 is smaller, so that the second eyeglass LS2 that lens unit 108 is carried A part can be exposed to second sidewall 1082.

Please continue to refer to Fig. 2 to Fig. 4, as shown in Fig. 2 and Fig. 4, lens unit 108 can also include multiple upper stopper section 108U With multiple lower stopper section 108D.In this embodiment, lens unit 108 includes four upper stopper section 108U and four lower backstops Portion 108D, when lens unit 108 is moved along Z-direction, upper stopper section 108U can contact shell 102, to limit camera lens list For member 108 in a upper limit position, and when lens unit 108 is moved along-Z-direction, lower stopper section 108D can contact pedestal 112, to limit lens unit 108 in a lower limit position.It is worth noting that, the upper stopper section 108U in this embodiment is under Stopper section 108D is asymmetrically formed on lens unit 108.

In addition, lens unit 108 has more an accommodation groove 1083, and configuration is to accommodate a magnetic member as shown in Fig. 2 and Fig. 4 Part MGS.Furthermore lens unit 108 has more multiple retaining lugs 1084, it is set to opposite two the of lens unit 108 Extend in one side wall 1081 and along X-direction so that first coil CL11 can be wound in the second coil CL12 it is corresponding In retaining lugs 1084.Furthermore lens unit 108 can include also two lug bosses 1085, be set to two the first side walls 1081 On.Specifically, lug boss 1085 is set on a surface (upper surface 108S) of lens unit 108, and upper surface 108S Towards the light incident side of optical axis O.In this embodiment, lug boss 1085 can be a pillar, along the direction of optical axis O by upper surface 108S extends, and first coil CL11 may connect to corresponding lug boss 1085 with an end of the second coil CL12.In In this embodiment, the end and lug boss 1085 may be defined as an electrical junction.It should be noted that lug boss 1085 is unlimited In pillar, in other embodiments, lug boss 1085 can also be a pad, such as a metal bond pad.

Next referring to the part-structure signal that Fig. 2 and Fig. 5, Fig. 5 are the optical system 100 of an embodiment of the present invention Figure.As shown in Fig. 2, the first elastic element 106 and the second elastic element 110 can be a metal spring leaf, and in this embodiment, First elastic element 106 can have there are two isolated reed portion, and the second elastic element 110 can also have two springs of separation Piece portion.It is worth noting that, the first elastic element 106 and the quantity in reed portion possessed by the second elastic element 110 are not limited to This embodiment.

Furthermore as shown in figures 2 and 5, there are four pillar 1122 and an accommodation grooves 1123 for the formation of pedestal 112, those are convex Column 1122 extends along the direction of optical axis O.As shown in figure 5, the exterior portion of the first elastic element 106 is fixed on four pillars On 1122, similarly, the exterior portion of the second elastic element 110 is fixed on accommodation groove 1123.In addition, the first elastic element 106 and second the inboard portion of elastic element 110 be connected to the two sides up and down of lens unit 108 so that lens unit 108 can be set in pedestal 112 (as shown in Figure 5) in a manner of suspention.

Pedestal is set to as shown in Fig. 2, optical system 100 may include multiple metal components please continue to refer to Fig. 2 and Fig. 5 Inside 112.For example, pedestal 112 is made with plastic material, and metal component is to mold and interconnect object (Molded Interconnect Device, MID) mode be formed in pedestal 112.Specifically, in this embodiment, optical system 100 include two metal components 118 and three metal components 120, but the not limited to of metal component is in this embodiment.Such as figure Shown in 5, metal component 118 is buried in pillar 1122, and a part of metal component 118 is exposed to corresponding pillar Outside 1122.As shown in figure 5, the part that metal component 118 is exposed to pillar 1122 is attached directly to the first elastic element 106. In addition, as shown in Fig. 2, metal component 120 is embedded in pedestal 112, and a part of metal component 120 is exposed to pedestal Outside 112.It should be noted that can further strengthen the entirety of pedestal 112 by the way that metal component 120 to be set in pedestal 112 Structural strength.

It is the partial enlarged view according to the embodiment of Fig. 5 of the utility model next referring to Fig. 5 and Fig. 6, Fig. 6.Such as Fig. 6 Shown, the inboard portion of the first elastic element 106 has the narrow part 1062, two of an electrical contact 1061, four interconnecting piece 1063 and two protrusions 1064.Narrow part 1062 is adjacent to electrical contact 1061, and electrical contact 1061 passes through four Narrow part 1062 is connected to two interconnecting pieces 1063.In addition, protrusion 1064 is connected to electrical contact 1061, and electrical contact 1061 with protrusion 1064 adjacent to lug boss 1085.In this embodiment, an end CLT of the second coil CL12 is wrapped in convex It rises in portion 1085, and electrical contact 1061 and protrusion 1064 can be connected to end CLT via a scolding tin SD.This means, End CLT on lug boss 1085 is electrically connected at the electrical contact 1061 and protrusion 1064 of the first elastic element 106.In It is that the second coil CL12 in driving assembly can further pass through the first elastic element 106 and 118 electricity of metal component above-mentioned Property connection.

It is worth noting that, electrical contact 1061 is in the upper table on the direction (Z-direction) of optical axis O with lens unit 108 There is a clearance G P, and lug boss 1085 has a height H along the direction (Z-direction) of optical axis O between the 108S of face.In this In embodiment, the height H of lug boss 1085 is greater than clearance G P.The structure of the first elastic element 106 based on the present embodiment designs, Many advantages may be implemented.For example, electrical contact 1061 and protrusion 1064 are adjacent to end CLT, therefore can increase (when melting when scolding tin SD is heated, scolding tin SD can be attached to the upper surface of electrical contact 1061 and lower surface, attached to the area of welding In protrusion 1064 and end CLT).Furthermore due to electrical contact 1061 not with the upper surface 108S of lens unit 108 It directly contacts, therefore when electrical contact 1061 is welded in end CLT, lens unit will not be destroyed by welding generated high temperature 108 structure.In addition, being connected due to passing through narrow part 1062 between electrical contact 1061 and interconnecting piece 1063, it is electrically connected with Temperature when 1061 welding of point less easily conducts the camera lens list that also can avoid destroying 1063 lower section of interconnecting piece to interconnecting piece 1063 The structure of member 108.

Referring to FIG. 7, Fig. 7 is the top view according to first elastic element 106 and eyeglass of an embodiment of the present invention. As shown in fig. 7, when the observation of the direction of the optical axis O by the first eyeglass LS1, the first elastic element 106 and the second part eyeglass LS2 Overlapping.Specifically, the interconnecting piece 1063 of the first elastic element 106 and the second eyeglass LS2 and the 5th part eyeglass LS5 weight It is folded.

Fig. 2 and Fig. 8 are please referred to, Fig. 8 is after removing shell 102 according to the optical system 100 of an embodiment of the present invention Schematic diagram.As shown, frame 104 further includes two lateral retainers 1044, extend along the direction of optical axis O, and side Second sidewall 1082 is directed towards to retainer 1044.In this embodiment, lateral retainer 1044 can limit lens unit 108 in Displacement in Y direction, to avoid when lens unit 108 is shaken, lens unit 108 is struck in optical system 100 Other elements.

In this embodiment, circuit unit 114 be a flexible circuit board, and circuit unit 114 can as shown in Figure 8 around Pillar 1122 is bent.Circuit unit 114 after bending has a first side 1141 and a second side 1142, and first Side 1141 is with second side 1142 respectively for the first side wall 1081 and second sidewall 1082 (due to the relationship at visual angle, Fig. 8 In do not indicate the first side wall 1081).Furthermore as shown in figure 8, frame 104 can further have a recessed portion 1045, to accommodate electricity A part of the first side 1141 of road unit 114.It is worth noting that, in this embodiment, when the first of circuit unit 114 When the part of side 1141 is placed in recessed portion 1045, first side 1141 and frame 104 are along substantially neat in X-direction It is flat.In addition, circuit unit 114 can have there are four electrical pin 1143 (pins) in this embodiment, it is set to first side On 1141, so that optical system 100 can be electrically connected by electrical pin 1143 with external circuit.

In addition, as shown in figure 8, circuit unit 114 can have more, there are two electrical contacts 1144, and are exposed to pedestal 112 Two metal components 118 end adjacent to circuit unit 114 electrical contact 1144.Therefore, two metal components 118 End can be connected to electrical contact 1144 by welding, so that metal component 118 is electrically connected at circuit unit 114.Then, first coil CL11 (or second coil CL12) can sequentially via the first elastic element 106 and metal component 118 and It is electrically connected to circuit unit 114.

Furthermore referring to FIG. 9, Fig. 9 is the optical system 100 according to the utility model embodiment in the signal at another visual angle Figure.As shown in figure 9, the end of exposed metal component 120 can also pass through the side of welding when shell 102 is covered on pedestal 112 Formula is fixedly connected to shell 102, so that shell 102 can more securely be connected to pedestal 112 without being located away from easily Pedestal 112.

Referring to FIG. 10, Figure 10 is to remove shell 102 and frame according to the optical system 100 of an embodiment of the present invention 104 top view.In this embodiment, the magnetic element MGS in optical system 100 may be defined as with magnetic force sensing unit 116 One position sensing component, and magnetic force sensing unit 116 senses magnetic element MGS according to the changes of magnetic field of magnetic element MGS Distance relative to magnetic force sensing unit 116.In this embodiment, magnetic element MGS is set to the appearance in second sidewall 1082 It sets in slot 1083, and magnetic force sensing unit 116 is set in the second side 1142 of circuit unit 114.Since position senses Component (magnetic force sensing unit 116 and magnetic element MGS) is arranged with driving assembly (such as the first magnet M11 or the second magnet M12) In the not ipsilateral of lens unit 108, therefore magnetic disturbance of the driving assembly to position sensing component can be reduced.

Figure 11 and Figure 12 are please referred to, Figure 11 is outside removing according to an optical system 100A of another embodiment of the utility model Stereoscopic schematic diagram after shell, and Figure 12 is to be shown according to the part-structure of the optical system 100A of the embodiment of the utility model Figure 11 It is intended to.Optical system 100A is similar to optical system 100 above-mentioned, and the difference of the two is the circuit list in optical system 100A Member is set in frame 104A.This means, as shown in figure 11, circuit unit is integrated in frame 104A.For example, circuit unit In route using molding interconnection object (Molded Interconnect Device, MID) mode be formed in frame 104A In.Similarly, in this embodiment, frame 104A can also expose multiple electrical pins 1143 of circuit unit, configure with electrical property It is connected to external circuit, such as is electrically connected on a main circuit board of portable electronic device.

Furthermore frame 104A on side have groove 1043 above-mentioned, and in the opposite other side have a recess 1046, groove 1043 and recess 1046 accommodate the first magnet M11 and the second magnet M12 respectively.In addition, Figure 12 is please referred to, Figure 12 Only representational framework 104A and the first elastic element 106.As shown in figure 12, two electricity of circuit unit can be formed on frame 104A Property contact 1145, be located on two corners of frame 104A, and the configuration of two electrical contacts 1145 is to be electrically connected at Two reed portions of the first elastic element 106.In addition, frame 104A can also form another electrical contact (not shown), with Magnetic force sensing unit 116 is set to be electrically connected at this electrical contact.It is worth noting that, the route of the circuit unit in this embodiment Also it is formed directly on the inner surface of frame 104A.

It is similar to the optical system 100 of previous embodiment, since two reed portions of the first elastic element 106 can weld respectively It is connected to the end of first coil CL11 and the second coil CL12 (since visual angle relationship is not indicated in Figure 11), first coil CL11 and the second coil CL12 can be also electrically connected via the circuit unit in electrical contact 1145 and frame 104A.Then, One coil CL11 and the second coil CL12 can be driven by the circuit unit in frame 104A.

Figure 13 to Figure 15 is please referred to, Figure 13 is the vertical view according to an optical system 200 of another embodiment of the utility model Figure, Figure 14 is the exploded view according to the optical system 200 of another embodiment of the utility model, and Figure 15 is practical new according to this The top view of the part-structure of the optical system 200 of another embodiment of type.In this embodiment, as shown in figures 13 and 14, light System 200 has a shell 202, a frame 204, a lens unit 208, a magnet M13, a coil CL13, a pedestal 212, a circuit unit 214, a plate body 215, a magnetic force sensing unit 216 and a guidance set.In this embodiment, shell 202 can be combined with pedestal 212 using as a fixed part, and lens unit 208 may be defined as a movable part, relative to fixed part It is mobile.

It is similar to the shell 102 of previous embodiment, shell 202 has a housing openings 2021 and an accommodating space 2023.In addition, in this embodiment, shell 202 has more that there are two opposite and be parallel to a first side 2027 and one of optical axis O Second side 2028, and optical axis O is unequal at a distance from first side 2027, second side 2028.

In this embodiment, frame 204 can be fixedly arranged on the inner wall of shell 202, and this means, frame 204 can also It is contained in fixed part.In addition, being similar to previous embodiment, frame 204 can also have there are two lateral retainer 2044, configure to limit Lens unit 208 processed is in the displacement in Y direction.

As shown in figure 14, it is similar to previous embodiment, lens unit 208 is configured to carry multiple eyeglasses, such as the first mirror Piece LS1 and the second eyeglass LS2.In this embodiment, lens unit 208 has a first side wall 2081 and a second sidewall 2082, first side 2027 and second side 2028 are respectively corresponded, and magnet M13 is fixedly arranged at the first side wall 2081 On.Furthermore in this embodiment, the tool of pedestal 212 there are two pillar 2122 and two pillars 2124, and pillar 2122 with it is convex Column 2124 extends along the direction of optical axis O.It is similar to previous embodiment, optical system 200 may include multiple metal components 250, It is set to inside pedestal 212.For example, pedestal 212 is made with plastic material, and metal component 250 is to mold interconnection object The mode of part (Molded Interconnect Device, MID) is formed in pedestal 212.

In this embodiment, plate body 215 can be a magnetic conductive board, and coil CL13 and magnetic force sensing unit 216 are set to plate body On 215, and coil CL13 is around magnetic force sensing unit 216.As shown in Figure 14 and Figure 15, plate body 215 is fixedly connected to electricity Road unit 214, and circuit unit 214 is fixedly arranged between two pillars 2122.Circuit unit 214 can be bendable for one Circuit board, and have there are four electrical pin 2143, it configures to be electrically connected at an external circuit.As shown in figure 15, work as circuit When unit 214 supplies electrical power to coil CL13, coil CL13 can generate electromagnetic driving force (electromagnetic with magnet M13 Force), to drive lens unit 208 and eyeglass to move relative to pedestal 212 along a first direction, in this embodiment, First direction can be the direction (Z-direction) of optical axis O.

In this embodiment, the first side of shell 202 is arranged in driving assembly defined in magnet M13 and coil CL13 Between 2027 and the first side wall 2081 of lens unit 208, and do not set between second side 2028 and second sidewall 2082 Set any driving assembly.Therefore optical system 200 can be further reduced the width along Y direction, to reach the mesh of micromation 's.

Moreover, it is noted that a guide channel can be formed on each pillar 2122 as shown in Figure 14 and Figure 15 2125, and two grooves 2086 can be correspondingly formed on the first side wall 2081 of lens unit 208.In this embodiment, The guidance set may include four rolling members 260, such as ball, and rolling member 260 is placed in guide channel 2125 and groove Between 2086, so that lens unit 208 can be moved smoothly along optical axis O relative to pedestal 212.In this embodiment, roll Part 260 is set between two adjacent corners of lens unit 208 and pedestal 212, but not limited to this.For example, in other In embodiment, rolling member 260 be may also set up between four corners of lens unit 208 and pedestal 212, so that lens unit 208 can be more smoothly mobile relative to pedestal 212.

Furthermore in other embodiments, guide channel 2125 can also be formed on frame 204, so that rolling member 260 is placed in Between guide channel 2125 on frame 204 and groove 2086.Therefore, when being observed by the direction of optical axis O, rolling member 260 can be with the Two eyeglass LS2 partly overlap, and imply that the structure design of the lens unit 208 of the present embodiment can be further reduced optical system 200 along X-direction length.Specifically, as shown in figure 13, there is a distance D1 between optical axis O and first side 2027, And there is another distance D2, and distance D1 is greater than distance D2, makes 200 edge of optical system between optical axis O and second side 2028 The size of X-direction can reduce, to achieve the purpose that micromation.

In conclusion the utility model embodiment provides a kind of optical system, it is installed in electronic device, configures to obtain Image.In each embodiment of the utility model, optical system only has a lens unit, configures to carry multiple eyeglasses, Predicate lens are carried without an optical element load-bearing part is additionally arranged.Therefore, the overall dimensions of optical system can contract It is small, to achieve the purpose that micromation.In addition, lens unit carries different size of eyeglass, such as the top portion of lens unit Divide the lesser eyeglass of carrying (at light incidence), therefore a upper surface of lens unit can be formed with other structures, to connect optics The other elements (such as the first elastic element 106, first coil CL11 and second coil CL12) of system.Then, optical system The overall dimensions of system can further reduce, to achieve the purpose that micromation.

Furthermore in some embodiments of the utility model, optical system may include having multiple metal components, to mold interconnection The mode of object is formed in pedestal, and partial metal component is exposed to outside pedestal, to be electrically connected at the first elasticity member Part 106 and driving assembly (such as first coil CL11 and the second coil CL12).In addition, not electrically with the first elastic element 106 The metal component of connection can strengthen the structural strength of pedestal.

In addition, optical system may include a guidance set (such as multiple ball) in another embodiment of the utility model, It is set between lens unit and the pillar of pedestal, therefore lens unit can be by guidance set smoothly along optical axis O's Direction is mobile relative to pedestal.

Although embodiment of the disclosure and its advantage have been disclosed as above, it will be appreciated that any technical field Middle technical staff, in the conception and scope for not departing from the disclosure, when can change, substitute with retouching.In addition, the guarantor of the disclosure Shield range be not necessarily limited by technique in specification in the specific embodiment, machine, manufacture, material composition, device, method and Step, technical staff can understand existing or following the developed work from disclosure disclosure in any technical field Skill, machine, manufacture, material composition, device, method and step, as long as can implement in the embodiment here more or less the same Function or the more or less the same result of acquisition can all be used according to the disclosure.Therefore, the protection scope of the disclosure includes above-mentioned technique, machine Device, manufacture, material composition, device, method and step.In addition, the other embodiment of each claim composition, and the disclosure Protection scope also includes the combination of each claim and embodiment.

Claims (21)

1. a kind of optical system, which is characterized in that the optical system includes:

One fixed part；

One movable part, mobile relative to the fixed part, which includes a lens unit, and the lens unit includes:

One first eyeglass；

One second eyeglass；

One the first side wall has one first face, directly contacts second eyeglass；And

One second sidewall directly contacts first eyeglass；And

One driving assembly, a part of the driving assembly are directly set on the lens unit, are configured to drive the camera lens list Member is moved along the direction of an optical axis of first eyeglass；

Wherein the first side wall has more one second face, and relative to first face, which directly contacts the driving assembly The part, and the thickness of the first side wall is different from the thickness of the second sidewall.

2. optical system as described in claim 1, which is characterized in that the thickness of the first side wall is greater than the thickness of the second sidewall Degree.

3. optical system as described in claim 1, which is characterized in that be exposed to the second sidewall to second optic portion.

4. optical system as described in claim 1, which is characterized in that the lens unit also includes an electrical junction and one Surface, the electrical junction are set on the surface, and the surface is towards the light incident side of the optical axis.

5. optical system as claimed in claim 4, which is characterized in that the electrical junction is set on the first side wall.

6. optical system as claimed in claim 4, which is characterized in that the optical system also includes an elastic element, and should Elastic element has an electrical contact, which is electrically connected at the electrical contact, and the electrical contact is in the optical axis Direction between the lens unit have a gap.

7. optical system as claimed in claim 6, which is characterized in that the electrical junction includes a lug boss, along the light The direction of axis extends, and the lug boss is greater than the gap along the height in the direction of the optical axis.

8. optical system as claimed in claim 6, which is characterized in that the elastic element also includes a narrow part, adjacent to this Electrical contact.

9. optical system as described in claim 1, which is characterized in that the optical system also includes an elastic element, is set to On the lens unit, and by the direction of the optical axis observe when, the elastic element is Chong Die with second optic portion.

10. optical system as described in claim 1, which is characterized in that the optical system also includes a position sensing component, should Position sensing component has a magnetic force sensing unit and a magnetic element, and the magnetic element is set to the second sidewall.

11. optical system as claimed in claim 10, which is characterized in that the optical system also includes a circuit unit, the magnetic Power sensing unit is set on the circuit unit, and the circuit unit has a first side and a second side, right respectively It should be in the first side wall and the second sidewall.

12. optical system as claimed in claim 11, which is characterized in that the magnetic force sensing unit is set to the second side On, and the circuit unit also includes an electrical pin, is set to the first side.

13. optical system as claimed in claim 12, which is characterized in that the optical system also includes a frame, and the frame With a recessed portion, configure to accommodate a part of the circuit unit.

14. optical system as claimed in claim 13, which is characterized in that the frame further includes a side to retainer, along this The direction of optical axis extends, and corresponds to the second sidewall.

15. optical system as described in claim 1, which is characterized in that the fixed part includes a pedestal, which also wraps It containing multiple metal components, is set in the pedestal, and at least a metal component is electrically connected at the driving assembly.

16. optical system as claimed in claim 15, which is characterized in that the pedestal also includes multiple pillars, along the optical axis Direction extend, an at least metal component is buried in corresponding pillar, and buries the metal component part in the pillar Ground is exposed to the pillar.

17. optical system as claimed in claim 16, which is characterized in that the fixed part also includes a shell, and those metals A part of component is fixedly connected to the shell.

18. optical system as described in claim 1, which is characterized in that the optical system also includes a frame and a circuit Unit, the circuit unit are set in the frame and are electrically connected at the driving assembly.

19. optical system as described in claim 1, which is characterized in that the fixed part also includes a shell, which has two A first side and a second side a opposite and that be parallel to the optical axis, and the optical axis and the first side, the second side Distance it is unequal.

20. optical system as claimed in claim 19, which is characterized in that the driving assembly be set to the first side and this Between one side wall, and the optical axis is greater than the optical axis at a distance from the second side at a distance from the first side.

21. optical system as described in claim 1, which is characterized in that the optical system also includes a guidance set, so that should Lens unit can be moved relative to the fixed part along a first direction, wherein when being observed by the direction of the optical axis, the guidance set Partially overlap second eyeglass.