CN112018594A - Light source projector and manufacturing method thereof - Google Patents
Light source projector and manufacturing method thereof Download PDFInfo
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- CN112018594A CN112018594A CN202010756132.2A CN202010756132A CN112018594A CN 112018594 A CN112018594 A CN 112018594A CN 202010756132 A CN202010756132 A CN 202010756132A CN 112018594 A CN112018594 A CN 112018594A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 218
- 230000003287 optical effect Effects 0.000 claims abstract description 118
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- 239000003292 glue Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 16
- 230000001788 irregular Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/02208—Mountings; Housings characterised by the shape of the housings
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a light source projector and a manufacturing method thereof, wherein the light source projector comprises a bottom substrate, a side wall substrate, a light-emitting piece and an optical cover plate; the light-emitting part is fixedly arranged on the bottom substrate and is electrically connected with the electrode area on the bottom substrate; the side wall substrate is arranged around the light emitting piece and connected with the bottom substrate; the side wall substrate is provided with at least two mounting grooves for mounting the optical cover plate, the optical cover plate is arranged in the mounting grooves and fixedly connected with the side wall substrate, an included angle which is not zero is formed between the optical cover plate and the light emitting surface of the light emitting piece, and any one of the optical cover plate and the light emitting surface of the light emitting piece is parallel to the bottom surface of the bottom substrate. Therefore, the optical cover plate is not parallel to the light-emitting surface of the light-emitting piece, so that the inclined light-emitting with the special-shaped outline is obtained after the light-emitting of the light-emitting piece passes through the optical cover plate, the realization is simple, the popularization and the use are easy, and the operation experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of packaging, in particular to a light source projector and a manufacturing method thereof.
Background
With the rise of 3D sensing technology in recent years, technologies such as face payment and automatic driving have begun to be popularized, and 3D sensing is mainly composed of a light source projector and a receiving device. The light source projector at present stage is mainly a TOF packaging product, and mainly comprises a substrate, a laser chip and a uniform optical cover plate. Generally, the light-emitting surface of the laser chip is parallel to the optical cover plate, so that the light profile projected from the light source is regular; however, in some scenes, some special light-emitting patterns are often required to be projected, especially some patterns have gradual change effect along a specified direction, which cannot be achieved in the prior art, and the application scenes of the light source projector are limited.
Disclosure of Invention
The technical problem to be solved by the invention is that the light source projector is difficult to obtain special pattern light and limited in application scene, aiming at the technical problem, the invention provides the light source projector which comprises a bottom substrate, a side wall substrate, a light-emitting piece and an optical cover plate; the light-emitting part is fixedly arranged on the bottom substrate and is electrically connected with the electrode area on the bottom substrate; the side wall substrate is arranged around the light-emitting piece and is connected with the bottom substrate; the optical cover plate is arranged in the mounting groove and fixedly connected with the side wall substrate, an included angle which is not zero is formed between the optical cover plate and the light emitting surface of the light emitting piece, and any one of the optical cover plate and the light emitting surface of the light emitting piece is parallel to the bottom surface of the bottom substrate.
Optionally, the mounting groove on the sidewall substrate is disposed on the top and/or the inner sidewall of the sidewall substrate.
Optionally, the sidewall substrate includes four sidewalls, and the mounting grooves are disposed on two opposing sidewalls of the sidewall substrate.
Optionally, when the mounting groove is disposed on two opposite side walls of the side wall substrate, the mounting groove includes two slots disposed on the opposite inner side walls, the slots are located on different planes, and a width of the slot is greater than or equal to a thickness of the optical cover plate.
Optionally, the sidewall substrate includes four sidewalls, the mounting grooves are disposed on two opposite vertex angles of the sidewall substrate, or the mounting grooves are disposed on four vertex angles of the sidewall substrate.
Optionally, the light emitting surface of the light emitting element is parallel to the bottom surface of the bottom substrate; among the mounting grooves, at least two mounting grooves are located on different planes, and the optical cover plate is placed in the mounting grooves located on different planes.
Optionally, the optical cover plate is parallel to the bottom surface of the base substrate; the top surface of the bottom substrate is fixedly connected with the light-emitting piece, and an included angle which is not zero is formed between the top surface of the bottom substrate and the bottom surface of the bottom substrate.
Optionally, an adhesive is disposed in the mounting groove, and the adhesive fixedly connects the optical cover plate and the side wall substrate.
Optionally, among the sidewall substrates, at least one sidewall substrate may have an adjustable height.
The invention also provides a manufacturing method of the light source projector, which comprises the following steps:
providing a bottom substrate, a side wall substrate and a light emitting piece; the side wall substrate is connected with the bottom substrate; the side wall substrate is provided with at least two mounting grooves for mounting the optical cover plate;
the light-emitting piece is fixedly arranged on the bottom substrate, and the side wall substrate surrounds the periphery of the light-emitting piece;
placing an optical cover plate in the mounting groove in an inclined manner and fixedly connecting the optical cover plate with the side wall substrate; the optical cover plate and the light-emitting surface of the light-emitting piece form an included angle which is not zero.
Advantageous effects
The invention provides a light source projector and a manufacturing method thereof, wherein the light source projector comprises a bottom substrate, a side wall substrate, a light-emitting piece and an optical cover plate; the light-emitting part is fixedly arranged on the bottom substrate and is electrically connected with the electrode area on the bottom substrate; the side wall substrate is arranged around the light emitting piece and connected with the bottom substrate; the side wall substrate is provided with at least two mounting grooves for mounting the optical cover plate, the optical cover plate is arranged in the mounting grooves and fixedly connected with the side wall substrate, an included angle which is not zero is formed between the optical cover plate and the light emitting surface of the light emitting piece, and any one of the optical cover plate and the light emitting surface of the light emitting piece is parallel to the bottom surface of the bottom substrate. Therefore, the optical cover plate is not parallel to the light-emitting surface of the light-emitting piece, so that the inclined light-emitting with the special-shaped outline is obtained after the light-emitting of the light-emitting piece passes through the optical cover plate, the realization is simple, the popularization and the use are easy, and the operation experience is greatly improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a cross-sectional view of a light source projector according to the prior art;
FIG. 2 is a cross-sectional view of a light source projector according to various embodiments of the present invention;
FIG. 3 is a cross-sectional view of another light source projector configuration in accordance with various embodiments of the present invention;
FIG. 4 is a schematic top view of a light source projector configuration in various embodiments of the present invention;
FIG. 5 is a schematic top view of another light source projector configuration in accordance with various embodiments of the present invention;
FIG. 6 is a cross-sectional view of another light source projector configuration in accordance with various embodiments of the present invention;
fig. 7 is a flowchart of a method for manufacturing a light source projector according to various embodiments of the present invention.
Detailed Description
The 3D sensor mainly comprises a light source projector and a receiving device, wherein the light source projector basically comprises a bottom substrate 1, a sidewall substrate 2, a light emitting member 3 and an optical cover plate 4, please refer to fig. 1; the light-emitting piece 3 is used as a light source and can emit specified light according to requirements; the light-emitting part 3 is fixedly arranged on the bottom substrate 1 and is electrically connected through an electrode area on the bottom substrate 1; the side wall base plate 2 is arranged around the luminous piece 3 and is fixedly connected with the bottom base plate 1, the optical cover plate 4 covers the side wall base plate 2, the optical cover plate 4 is light-permeable, and light emitted by the luminous piece 3 is emitted to the outside through the optical cover plate 4. Whereas in the related art, the optical cover plate 4 is disposed flatly on the sidewall substrate 2, so that the pattern of the light emitted from the light emitting member 3 can be only a specific regular shape, such as a rectangle, a square, a circle, etc. In order to obtain other special light emitting pattern effects, the following describes the scheme of the present application in detail with reference to the accompanying drawings.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First embodiment
Referring to fig. 2, the light source projector includes a bottom substrate 1, a sidewall substrate 2, a light emitting element 3 and an optical cover plate 4; the light-emitting part 3 is fixedly arranged on the bottom substrate 1 and is electrically connected with the electrode area on the bottom substrate 1; the side wall substrate 2 is arranged around the luminous member 3 and connected with the bottom substrate 1; at least two mounting grooves 5 for mounting an optical cover plate 4 are arranged on the side wall substrate 2, the optical cover plate 4 is arranged in the mounting grooves 5 and fixedly connected with the side wall substrate 2, an included angle which is not zero is formed between the optical cover plate 4 and the light emitting surface of the light emitting piece 3, and any one of the optical cover plate 4 and the light emitting surface of the light emitting piece 3 is parallel to the bottom surface of the bottom substrate 1.
In the embodiment, the optical cover plate 4 is disposed in the mounting groove 5 on the sidewall substrate 2, and is fixedly connected with the sidewall substrate 2; in some embodiments, the mounting groove 5 of the sidewall substrate 2 may be disposed on the top and/or inner sidewall of the sidewall substrate 2. Referring to fig. 2, the mounting groove 5 is disposed on the top of the sidewall substrate 2; referring to fig. 3, the mounting groove 5 is equivalent to the inner sidewall of the sidewall substrate 2.
In some embodiments, in order to achieve a fixed connection between the optical cover plate 4 and the sidewall substrate 2, an adhesive is disposed in the mounting groove 5, and the adhesive fixedly connects the optical cover plate 4 and the sidewall substrate 2. Wherein the adhesive may be a UV adhesive (shadowless adhesive).
In some embodiments, the sidewall substrate 2 may include four sidewalls, and the mounting grooves 5 are disposed on two opposing sidewalls of the sidewall substrate 2. The side wall substrate 2 can surround the light emitting member 3 in four sides to form four side walls; for the optical cover 4, it is usually only necessary to mount the two opposite sidewalls of the sidewall substrate 2, and therefore, in this embodiment, the mounting grooves 5 may be disposed on the two opposite sidewalls of the sidewall substrate 2, at the top of the sidewalls, and/or at the inner side of the sidewalls.
In some embodiments, when the mounting groove 5 is disposed on two opposite side walls of the side wall substrate 2, the mounting groove 5 includes two slots 51 disposed on the opposite inner side walls, the slots 51 are located on different planes, and the width of the slot 51 is greater than or equal to the thickness of the optical cover plate 4. In the connection process of the optical cover plate 4 and the mounting groove 5, the bonding is usually realized by using UV glue (shadowless glue), that is, the UV glue is coated at the position where the mounting groove 5 of the sidewall substrate 2 contacts the optical cover plate 4, and the connection function can be realized after the UV glue is cured. However, the structure of the general installation groove 5 is exposed, and after the UV glue is coated and cured, the height of the UV glue cannot be accurately controlled, and the flatness of the optical cover plate 4 can be influenced, so that the light-emitting pattern effect of a product is influenced; moreover, the cured UV glue has poor heat resistance, if more UV glue is used in the bonding process, and if the device is operated at a high temperature, the property change may occur, which may affect the service life of the whole device, and meanwhile, as a polymer material, the UV glue may volatilize during the curing process, and if the volatilized substance is deposited on the luminescent member 3, the light intensity of the luminescent member 3 may be reduced, which may affect the overall performance of the product. Therefore, in the case of bonding with UV paste, the amount thereof should be as small as possible while securing the bonding strength. Therefore, the present embodiment employs a mounting groove 5 disposed on two opposite side walls of the side wall substrate 2, which includes two slots 51 disposed on the opposite inner side walls, the slots 51 are located on different planes, and the width of the slot 51 is greater than or equal to the thickness of the optical cover plate 4. Thus, the optical cover plate 4 can be mounted through the side wall of the clamping groove 51, and the stability of connection can be ensured by reducing the amount of the UV adhesive due to the semi-surrounding structure of the clamping groove 51, please refer to FIG. 3.
In some embodiments, the sidewall substrate 2 includes four sidewalls, and the mounting grooves 5 are disposed on two opposite top corners of the sidewall substrate 2, or the mounting grooves 5 are disposed on all four top corners of the sidewall substrate 2. The mounting grooves 5 formed on the sidewall substrate 2 can be formed on opposite side surfaces according to the distribution shape of the sidewall substrate 2, or on the top corners of the sidewall substrate 2, please refer to fig. 4 and 5, wherein fig. 4 shows the mounting grooves 5 formed on the top corners of the sidewall substrate 2, and fig. 5 shows the mounting grooves 5 formed on the opposite side surfaces of the sidewall substrate 2.
In order to realize the light extraction of the shaped pattern, an alternative embodiment is realized by arranging the optical cover plate 4 to be inclined. Specifically, the light emitting surface of the light emitting element 3 may be parallel to the bottom surface of the bottom substrate 1; and of the mounting grooves 5, at least two mounting grooves 5 are located on different planes, and the optical cover 4 is placed in the mounting grooves 5 located on different planes. Since the light emitted from the light-emitting member 3 in the light source projector needs to be refracted by the optical cover 4 to be emitted outward, if the plane of the optical cover 4 is parallel to the light-emitting surface of the light-emitting member 3, the shape of the emitted light is consistent with the light-emitting surface of the light-emitting member 3, that is, the emitted light has a regular pattern. In the embodiment, the optical cover plate 4 is arranged to form an included angle with the light-emitting surface, which is not zero, that is, the optical cover plate 4 is arranged to be inclined, so that the light emitted from the light-emitting member 3 forms irregular light-emitting due to refraction of the inclined optical cover plate 4, and the shape of the light-emitting can be changed into an irregular pattern by the refraction of the optical cover plate 4, and if the light-emitting surface of the light-emitting member 3 is rectangular, the final shape of the light-emitting pattern can be changed into a trapezoid; if the light emitting surface of the light emitting element 3 is circular, the final light emitting pattern shape will become irregular circular shape with gradually changing size. Thus, the shape of the light emitted by the light source projector can be changed without changing the positional relationship and the connection relationship between the light emitting member 3 and the base substrate 1, and the light source projector is simple to implement and easy to popularize.
In some embodiments, the sidewall substrate 2 and the bottom substrate 1 are integrally formed, or the sidewall substrate 2 and the bottom substrate 1 are fixedly connected by a connecting member. The side wall substrate 2 and the bottom substrate 1 can be integrated and formed by processes such as injection molding, cutting and the like; or the sidewall substrate 2 and the bottom substrate 1 are separately manufactured and then fixedly connected by a connecting member, wherein the connecting member may be glue, or a threaded fastener, a snap-in member, etc., which is not limited in this embodiment.
In some embodiments, among the sidewall base plates 2, at least one sidewall base plate 2 is adjustable in height. The height-adjustable side wall base plate 2 shows that the side wall base plate 2 can be adjusted in a lifting mode, so that the angle of the optical cover plate 4 fixed on the side wall base plate 2 can be adjusted, and the adjustment of the pattern shape of the emergent light can be further achieved.
In some embodiments, the height-adjustable sidewall substrate 2 is movably connected to the bottom substrate 1. In order to better realize the lifting adjustment of the side wall substrate 2, the side wall substrate 2 and the bottom substrate 1 can be movably connected, the movable connection can be formed by matching a sliding groove and a sliding block, and the relative position between the side wall substrate 2 and the bottom substrate 1 can be adjusted under the driving of the movable connection, so that the angle adjustment of the optical cover plate 4 is realized.
The present embodiment provides a light source projector, which includes a bottom substrate 1, a sidewall substrate 2, a light emitting member 3 and an optical cover plate 4; the light-emitting part 3 is fixedly arranged on the bottom substrate 1 and is electrically connected with the electrode area on the bottom substrate 1; the side wall substrate 2 is arranged around the luminous member 3 and connected with the bottom substrate 1; at least two mounting grooves 5 for mounting the optical cover plate 4 are arranged on the side wall substrate 2, and in the mounting grooves 5, at least two mounting grooves 5 are positioned on different planes; the optical cover plate 4 is arranged in the mounting groove 5 and fixedly connected with the side wall substrate 2, and an included angle which is not zero is formed between the optical cover plate 4 and the light-emitting surface of the light-emitting piece 3. Therefore, the angle of the optical cover plate 4 is set to be inclined, so that the inclined light emitting with the special-shaped outline is obtained after the light emitting of the light emitting piece 3 passes through the optical cover plate 4, the realization is simple, the popularization and the use are easy, and the operation experience is greatly improved.
Second embodiment
Referring to fig. 6, the light source projector includes a bottom substrate 1, a sidewall substrate 2, a light emitting element 3 and an optical cover plate 4; the light-emitting part 3 is fixedly arranged on the bottom substrate 1 and is electrically connected with the electrode area on the bottom substrate 1; the side wall substrate 2 is arranged around the luminous member 3 and connected with the bottom substrate 1; at least two mounting grooves 5 for mounting an optical cover plate 4 are arranged on the side wall substrate 2, the optical cover plate 4 is arranged in the mounting grooves 5 and fixedly connected with the side wall substrate 2, an included angle which is not zero is formed between the optical cover plate 4 and the light emitting surface of the light emitting piece 3, and any one of the optical cover plate 4 and the light emitting surface of the light emitting piece 3 is parallel to the bottom surface of the bottom substrate 1.
In order to realize the light emitting of the irregular pattern, an alternative embodiment is realized by setting the angle of the light emitting surface of the light emitting element, specifically, the optical cover plate 4 may be set to be parallel to the bottom surface of the bottom substrate 1; the part fixedly connected with the luminous piece 3 on the top surface of the bottom substrate 1 and the bottom surface of the bottom substrate 1 form an included angle which is not zero. Since the light emitted from the light-emitting member 3 in the light source projector needs to be refracted by the optical cover 4 to be emitted outward, if the plane of the optical cover 4 is parallel to the light-emitting surface of the light-emitting member 3, the shape of the emitted light is consistent with the light-emitting surface of the light-emitting member 3, that is, the emitted light has a regular pattern. In the embodiment, the optical cover plate 4 is arranged to form an included angle with the light-emitting surface, which is not zero, that is, the light-emitting surface of the light-emitting member 3 is arranged to be inclined, so that the light emitted from the light-emitting member 3 is obliquely irradiated on the optical cover plate 4, and the shape of the light-emitting pattern can be changed into an irregular pattern according to the angle of the light-emitting member 3, and if the light-emitting surface of the light-emitting member 3 is rectangular, the shape of the final light-emitting pattern is changed into a trapezoid; if the light emitting surface of the light emitting member 3 is circular, the shape of the final light emitting pattern will be changed into an irregular circle with gradually changed size. Thus, when the top surface of the base substrate 1 is adjusted to a predetermined slope in advance, an irregular light emitting pattern can be realized.
In order to realize the inclined fixed connection between the light emitting member 3 and the base substrate 1, the top surface of the base substrate 1 may be directly set to be an inclined surface with a designated angle; alternatively, a wedge member fixedly coupled to the base substrate 1 may be provided on the top of the base substrate 1, and the wedge member may be fixedly coupled to the luminous member 3 through a slope of the wedge member.
Third embodiment
Referring to fig. 7, the method of manufacturing a light source projector includes:
s101, providing a bottom substrate 1, a side wall substrate 2 and a light emitting piece 3; the side wall substrate 2 is connected with the bottom substrate 1; the side wall substrate 2 is provided with at least two mounting grooves 5 for mounting an optical cover plate 4;
s102, fixedly arranging a luminous element 3 on a bottom substrate 1, wherein a side wall substrate 2 surrounds the periphery of the luminous element 3;
s103, obliquely placing the optical cover plate 4 in the mounting groove 5 and fixedly connecting the optical cover plate with the side wall substrate 2; the optical cover 4 and the light-emitting surface of the light-emitting element 3 form an included angle which is not zero.
The optical cover plate 4 is arranged in the mounting groove 5 on the side wall substrate 2 and is fixedly connected with the side wall substrate 2; in some embodiments, the mounting groove 5 of the sidewall substrate 2 may be disposed on the top and/or inner sidewall of the sidewall substrate 2. Referring to fig. 2, the mounting groove 5 is disposed on the top of the sidewall substrate 2; referring to fig. 3, the mounting groove 5 is equivalent to the inner sidewall of the sidewall substrate 2.
In some embodiments, in order to achieve a fixed connection between the optical cover plate 4 and the sidewall substrate 2, an adhesive is disposed in the mounting groove 5, and the adhesive fixedly connects the optical cover plate 4 and the sidewall substrate 2. Wherein, the adhesive can be UV adhesive.
In some embodiments, the sidewall substrate 2 may include four sidewalls, and the mounting grooves 5 are disposed on two opposing sidewalls of the sidewall substrate 2. The side wall substrate 2 can surround the light emitting member 3 in four sides to form four side walls; for the optical cover 4, it is usually only necessary to mount the two opposite sidewalls of the sidewall substrate 2, and therefore, in this embodiment, the mounting grooves 5 may be disposed on the two opposite sidewalls of the sidewall substrate 2, at the top of the sidewalls, and/or at the inner side of the sidewalls.
In some embodiments, when the mounting groove 5 is disposed on two opposite side walls of the side wall substrate 2, the mounting groove 5 includes two slots 51 disposed on the opposite inner side walls, the slots 51 are located on different planes, and the width of the slot 51 is greater than or equal to the thickness of the optical cover plate 4. In the process of connecting the optical cover plate 4 and the mounting groove 5, the bonding is usually realized by using UV glue, that is, the UV glue is coated at the position where the mounting groove 5 of the sidewall substrate 2 contacts the optical cover plate 4, and the connection function can be realized after the UV glue is cured. However, the structure of the general installation groove 5 is exposed, and after the UV glue is coated and cured, the height of the UV glue cannot be accurately controlled, and the flatness of the optical cover plate 4 can be influenced, so that the light-emitting pattern effect of a product is influenced; moreover, the cured UV glue has poor heat resistance, if more UV glue is used in the bonding process, and if the device is operated at a high temperature, the property change may occur, which may affect the service life of the whole device, and meanwhile, as a polymer material, the UV glue may volatilize during the curing process, and if the volatilized substance is deposited on the luminescent member 3, the light intensity of the luminescent member 3 may be reduced, which may affect the overall performance of the product. Therefore, in the case of bonding with UV paste, the amount thereof should be as small as possible while securing the bonding strength. Therefore, the present embodiment employs a mounting groove 5 disposed on two opposite side walls of the side wall substrate 2, which includes two slots 51 disposed on the opposite inner side walls, the slots 51 are located on different planes, and the width of the slot 51 is greater than or equal to the thickness of the optical cover plate 4. Can install optical cover plate 4 like this through the lateral wall of draw-in groove 51, because the partly enclosed structure of draw-in groove 51 itself, can reduce the stability that the quantity that the UV glued also can guarantee to connect.
In some embodiments, the sidewall substrate 2 includes four sidewalls, and the mounting grooves 5 are disposed on two opposite top corners of the sidewall substrate 2, or the mounting grooves 5 are disposed on all four top corners of the sidewall substrate 2. The mounting grooves 5 formed on the sidewall substrate 2 may be formed on opposite side surfaces or on top corners of the sidewall substrate 2 according to the distribution shape of the sidewall substrate 2, please refer to fig. 4 and 5.
In some embodiments, the sidewall substrate 2 and the bottom substrate 1 are integrally formed, or the sidewall substrate 2 and the bottom substrate 1 are fixedly connected by a connecting member. The side wall substrate 2 and the bottom substrate 1 can be integrated and formed by processes such as injection molding, cutting and the like; or the sidewall substrate 2 and the bottom substrate 1 are separately manufactured and then fixedly connected by a connecting member, wherein the connecting member may be glue, or a threaded fastener, a snap-in member, etc., which is not limited in this embodiment.
In some embodiments, among the sidewall base plates 2, at least one sidewall base plate 2 is adjustable in height. The height-adjustable side wall base plate 2 shows that the side wall base plate 2 can be adjusted in a lifting mode, so that the angle of the optical cover plate 4 fixed on the side wall base plate 2 can be adjusted, and the adjustment of the pattern shape of the emergent light can be further achieved.
In some embodiments, the height-adjustable sidewall substrate 2 is movably connected to the bottom substrate 1. In order to better realize the lifting adjustment of the side wall substrate 2, the side wall substrate 2 and the bottom substrate 1 can be movably connected, the movable connection can be formed by matching a sliding groove and a sliding block, and the relative position between the side wall substrate 2 and the bottom substrate 1 can be adjusted under the driving of the movable connection, so that the angle adjustment of the optical cover plate 4 is realized.
In order to realize the light extraction of the special-shaped pattern, an alternative embodiment is realized by arranging the optical cover plate 4 to be inclined. Since the light emitted from the light-emitting member 3 in the light source projector needs to be refracted by the optical cover 4 to be emitted outward, if the plane of the optical cover 4 is parallel to the light-emitting surface of the light-emitting member 3, the shape of the emitted light is consistent with the light-emitting surface of the light-emitting member 3, that is, the emitted light has a regular pattern. In the embodiment, the optical cover plate 4 is arranged to form an included angle with the light-emitting surface, which is not zero, that is, the optical cover plate 4 is arranged to be inclined, so that the light emitted from the light-emitting member 3 forms irregular light-emitting due to refraction of the inclined optical cover plate 4, and the shape of the light-emitting can be changed into an irregular pattern correspondingly according to the shape formed by the side wall substrate 2, and if the pattern surrounded by the side wall substrate 2 is rectangular, the shape of the light-emitting becomes trapezoidal; if the pattern defined by the sidewall substrate 2 is circular, the shape of the light emitted therefrom becomes elliptical. Thus, the shape of the light emitted by the light source projector can be changed without changing the positional relationship and the connection relationship between the light emitting member 3 and the base substrate 1, and the light source projector is simple to implement and easy to popularize.
In order to realize the light emitting of the special-shaped pattern, an alternative embodiment is realized by arranging the light emitting surface of the light emitting element to be inclined at an angle. Specifically, the optical cover plate 4 may be disposed in parallel with the bottom surface of the base substrate 1; the part fixedly connected with the luminous piece 3 on the top surface of the bottom substrate 1 and the bottom surface of the bottom substrate 1 form an included angle which is not zero. Since the light emitted from the light-emitting member 3 in the light source projector needs to be refracted by the optical cover 4 to be emitted outward, if the plane of the optical cover 4 is parallel to the light-emitting surface of the light-emitting member 3, the shape of the emitted light is consistent with the light-emitting surface of the light-emitting member 3, that is, the emitted light has a regular pattern. In the embodiment, the optical cover plate 4 is arranged to form an included angle with the light-emitting surface, which is not zero, that is, the light-emitting surface of the light-emitting member 3 is arranged to be inclined, so that the light emitted from the light-emitting member 3 is obliquely irradiated on the optical cover plate 4, and the shape of the light-emitting pattern can be changed into an irregular pattern according to the angle of the light-emitting member 3, and if the light-emitting surface of the light-emitting member 3 is rectangular, the shape of the final light-emitting pattern is changed into a trapezoid; if the light emitting surface of the light emitting member 3 is circular, the shape of the final light emitting pattern will be changed into an irregular circle with gradually changed size. Thus, when the top surface of the base substrate 1 is adjusted to a predetermined slope in advance, an irregular light emitting pattern can be realized.
In order to realize the inclined fixed connection between the light emitting member 3 and the base substrate 1, the top surface of the base substrate 1 may be directly set to be an inclined surface with a designated angle; alternatively, a wedge member fixedly coupled to the base substrate 1 may be provided on the top of the base substrate 1, and the wedge member may be fixedly coupled to the luminous member 3 through a slope of the wedge member.
The present embodiment provides a method for manufacturing a light source projector, which comprises providing a bottom substrate 1, a sidewall substrate 2 and a light emitting element 3; the side wall substrate 2 is connected with the bottom substrate 1; at least two mounting grooves 5 for mounting the optical cover plate 4 are arranged on the side wall substrate 2, and in the mounting grooves 5, at least two mounting grooves 5 are positioned on different planes; fixedly arranging a luminous element 3 on a bottom substrate 1, wherein a side wall substrate 2 surrounds the periphery of the luminous element 3; the optical cover plate 4 is obliquely arranged in the mounting groove 5 and is fixedly connected with the side wall substrate 2; the optical cover 4 and the light-emitting surface of the light-emitting element 3 form an included angle which is not zero. Therefore, the angle of the optical cover plate 4 is set to be inclined, so that the inclined light emitting with the special-shaped outline is obtained after the light emitting of the light emitting piece 3 passes through the optical cover plate 4, the realization is simple, the popularization and the use are easy, and the operation experience is greatly improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A light source projector comprising a base substrate, a sidewall substrate, a light emitting member, and an optical cover; the light-emitting part is fixedly arranged on the bottom substrate and is electrically connected with the electrode area on the bottom substrate; the side wall substrate is arranged around the light-emitting piece and is connected with the bottom substrate; the optical cover plate is arranged in the mounting groove and fixedly connected with the side wall substrate, an included angle which is not zero is formed between the optical cover plate and the light emitting surface of the light emitting piece, and any one of the optical cover plate and the light emitting surface of the light emitting piece is parallel to the bottom surface of the bottom substrate.
2. The light source projector as claimed in claim 1, wherein the mounting groove of the sidewall base plate is formed in a top portion and/or an inner sidewall of the sidewall base plate.
3. The light source projector as claimed in claim 2, wherein the side wall base plate includes four side walls, and the mounting grooves are provided on two opposite side walls of the side wall base plate.
4. The light source projector as claimed in claim 3, wherein when the mounting groove is provided on two opposite side walls of the side wall substrate, the mounting groove includes two locking grooves provided on the opposite inner side walls, the locking grooves are located on different planes, and a width of the locking groove is greater than or equal to a thickness of the optical cover plate.
5. The light source projector as claimed in claim 2, wherein the side wall base plate includes four side walls, and the mounting grooves are provided on two opposite top corners of the side wall base plate, or the mounting grooves are provided on all four top corners of the side wall base plate.
6. The light source projector as claimed in any one of claims 1 to 5, wherein the light emitting surface of the light emitting member is parallel to the bottom surface of the base substrate; among the mounting grooves, at least two mounting grooves are located on different planes, and the optical cover plate is placed in the mounting grooves located on different planes.
7. The light source projector of any of claims 1 to 5 wherein the optical cover plate is parallel to the bottom surface of the base substrate; the top surface of the bottom substrate is fixedly connected with the light-emitting piece, and an included angle which is not zero is formed between the top surface of the bottom substrate and the bottom surface of the bottom substrate.
8. The light source projector of any of claims 1 to 5 wherein an adhesive is disposed in the mounting slot and fixedly attaches the optical cover to the side wall base.
9. The light source projector of any of claims 1 to 5 wherein at least one of the sidewall base plates is adjustable in height.
10. A method of making a light source projector, comprising:
providing a bottom substrate, a side wall substrate and a light emitting piece; the side wall substrate is connected with the bottom substrate; the side wall substrate is provided with at least two mounting grooves for mounting the optical cover plate;
the light-emitting piece is fixedly arranged on the bottom substrate, and the side wall substrate surrounds the periphery of the light-emitting piece;
placing an optical cover plate in the mounting groove in an inclined manner and fixedly connecting the optical cover plate with the side wall substrate; the optical cover plate and the light-emitting surface of the light-emitting piece form an included angle which is not zero.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010756132.2A CN112018594A (en) | 2020-07-31 | 2020-07-31 | Light source projector and manufacturing method thereof |
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| CN202010756132.2A CN112018594A (en) | 2020-07-31 | 2020-07-31 | Light source projector and manufacturing method thereof |
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| CN112018594A true CN112018594A (en) | 2020-12-01 |
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