CN110987374A - Lamp house with shading function - Google Patents
Lamp house with shading function Download PDFInfo
- Publication number
- CN110987374A CN110987374A CN201911236715.6A CN201911236715A CN110987374A CN 110987374 A CN110987374 A CN 110987374A CN 201911236715 A CN201911236715 A CN 201911236715A CN 110987374 A CN110987374 A CN 110987374A
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- shading
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- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000033001 locomotion Effects 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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Abstract
The application relates to a lamp house with shading function, including following the first direction and adjusting the first light screen of printing opacity mouth area can follow the second direction festival the second light screen of printing opacity mouth area adjusts the display panel of printing opacity mouth in order to realize adapting to not unidimensional through first light screen and second light screen jointly. Simultaneously, the fixed block sets up on the second light screen, follows the motion of second light screen and the size of automatic adaptation display panel. The lamp box with the shading function can realize the positioning of the display panel while the shading part is adjusted.
Description
Technical Field
The application belongs to the technical field of display panel check out test set, especially relates to a lamp house with shading function.
Background
The screen of the existing display device needs to be optically detected before being put into use, whether a display problem occurs on the screen is detected, and for a display panel which is not provided with the backlight module, the screen is generally irradiated by introducing an external backlight box, and the screen which is illuminated is observed manually or by an optical instrument to check the display condition of the screen.
The existing detection equipment is required to be suitable for different sizes, the sizes of the required lamp boxes are different, and when the large-size lamp box is applied to a small screen, light leakage occurs around the small screen to influence the whole detection effect. In order to meet the requirements of equipment, a mechanism capable of automatically shading light according to the size of a panel is needed; the use of a shading curtain has high cost, difficult maintenance and poor shading effect, and a shading form without the shading curtain is urgently needed.
The existing light box shading usually needs the shading mechanism and the panel positioning structure to be matched for use, the shading mechanism and the panel positioning structure are arranged on the upper layer and the lower layer in a separated mode, the mechanism is complex, a fault and a gap are formed in the middle, the light leakage phenomenon can occur, and therefore the shading effect of the shading mechanism is poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the defects in the prior art, the light box with the shading function is provided, and the light source can be provided for various panel sizes.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a lamp box with a shading function comprises:
the box body is internally provided with a light-emitting element, and the front end surface of the box body is provided with a light-transmitting opening for providing backlight for a display panel to be irradiated;
the first shading plate is arranged on the box body along a first direction and can move along a second direction so as to adjust the light transmission area of the light transmission opening; the first direction is perpendicular to the second direction;
the two second light shading plates are arranged on the box body along a second direction, and at least one of the two second light shading plates can move along the first direction so as to adjust the light transmission area of the light transmission opening;
the two second light shading plates are oppositely provided with fixed blocks for positioning and supporting the display panel; and two adjacent side edges of the second light shielding plate and the fixed block form a supporting surface of the display panel.
Preferably, in the light box with a light shielding function of the present invention, two adjacent sides of the second light shielding plate are respectively provided with a first wedge-shaped surface, and the first wedge-shaped surface and the fixing block form the supporting surface.
Preferably, the light box with a light shielding function of the present invention further comprises two third light shielding plates, the two third light shielding plates are slidably disposed on the two second light shielding plates respectively, and the third light shielding plate is slidably disposed on the first light shielding plate.
Preferably, in the light box with a light shielding function of the present invention, the second light shielding plate is provided with a first slide rail arranged along the second direction, the first light shielding plate is provided with a second slide rail arranged along the first direction, and the third light shielding plate is provided with a slider matched with the first slide rail and the second slide rail so that the third light shielding plate can slide along the first slide rail or the second slide rail.
Preferably, in the light box with a light shielding function of the present invention, two adjacent sides of the third light shielding plate are provided with a second wedge-shaped surface, and the second wedge-shaped surface and the fixing block form the supporting surface.
Preferably, according to the lamp box with the light shielding function, the ball screw is arranged in the box body along the width direction of the front end face of the box body, nuts matched with the ball screw are respectively arranged at two ends of the first light shielding plate, and the first driving piece is used for driving the ball screw to rotate so as to drive the first light shielding plate to move through the nuts; the first driving piece is connected with one end of one of the ball screws, the other end of the ball screw is connected with the other ball screw through the steering piece, the horizontal driving rod and the other steering piece, and the two parallel ball screws are driven to rotate by the first driving piece.
Preferably, in the light box with a light shielding function of the present invention, the second light shielding plate is slidably disposed on the slide rail, the second light shielding plate is connected to the driving plate, the driving plate is connected to the second driving member through the ball screw nut transmission pair, and the second driving member drives the screw of the ball screw nut transmission pair to rotate so as to drive the second light shielding plate to move.
Preferably, in the light box with the light shielding function, the screw rod is one, and the screw threads of the part of the screw rod matched with the two nuts are opposite in direction.
Preferably, the light box with the shading function of the present invention, the fixing block comprises a vertical portion and a vertical portion, the vertical portion and the vertical portion have mutually perpendicular planes for the display panel for bearing and aligning, and a connection part of the vertical planes of the vertical portion and the vertical portion has an inner concave part.
Preferably, according to the lamp box with the light shielding function, the front end face of the box body is further provided with a lamp box cover, the lamp box cover is of a hollow-out structure in the middle, and the hollow-out part in the middle is the largest area of the light transmitting opening.
The invention has the beneficial effects that:
the application discloses lamp house with shading function, including can following the first direction and adjusting the first light screen of printing opacity mouth area can be followed the second direction festival the second light screen of printing opacity mouth area adjusts the display panel of printing opacity mouth in order to realize adapting to not unidimensional through first light screen and second light screen jointly. Simultaneously, the fixed block sets up on the second light screen, follows the motion of second light screen and the size of automatic adaptation display panel. The lamp box with the shading function can realize the positioning of the display panel while the shading part is adjusted.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
Fig. 1 is a schematic structural diagram of a light box with a shading function according to an embodiment of the present application;
fig. 2 is a schematic structural view of the lamp box having a light shielding function shown in fig. 1 with a lamp box cover removed;
fig. 3 is a schematic structural view of the back of the light box with a shading function shown in fig. 2;
fig. 4 is a front view of the lamp box with a light shielding function shown in fig. 3 with the third light shielding plate on the left side removed;
fig. 5 is a schematic structural view of the fixing block.
The reference numbers in the figures are:
1, a box body;
2 a first light shielding plate;
3 a second light shielding plate;
4 a third light shielding plate;
5, fixing blocks;
11 a lamp box cover;
21 ball screw;
22 a nut;
23 a first driving member;
24 a horizontal drive rod;
25 a steering member;
26 a first wedge-facet;
31, a screw rod;
32 slide rails;
33 a second driving member;
34 a second wedge-facet;
41 a first slide rail;
42 a second slide rail;
51 a vertical portion;
52 vertical portion;
53 are recessed.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
The present embodiment provides a light box with a light shielding function, as shown in fig. 1, including:
the box body 1 is a square box body, devices such as a light-emitting element and a fan are arranged in the box body 1, a light-transmitting opening is formed in the front end face of the box body 1 and used for placing a display panel to be detected, the light-emitting element in the box body 1 can emit light from the light-transmitting opening, display contents on the display panel can be seen by human eyes, and the box body also serves as backlight of the display panel to be irradiated;
the first shading plate 2 is arranged on the box body along a first direction (X direction in the drawing) and can move along a second direction (Y direction in the drawing) so as to adjust the light transmission area of the light transmission opening; the first direction is perpendicular to the second direction;
the two second shading plates 3 are arranged on the box body along a second direction, and at least one of the two second shading plates can move along the first direction so as to adjust the light transmission area of the light transmission opening;
two fixed blocks 5 for positioning and supporting and fixing the display panel are oppositely arranged on the second light shielding plates 3, and two adjacent side edges of the second light shielding plates 3 and the fixed blocks 5 form a supporting surface of the display panel.
As one embodiment, two adjacent sides of the second light shielding plate 3 are respectively provided with a first wedge-shaped surface 26, and the first wedge-shaped surface and the fixing block 5 form the supporting surface. Through the inclined plane of first wedge-shaped face 26, can support the effect to display panel formation side, stability when improving the fixing.
As one of the embodiments, two third light shielding plates 4 are further included, the two third light shielding plates 4 are slidably disposed on the two second light shielding plates 3, respectively, and the third light shielding plate 4 is slidably disposed on the first light shielding plate 2. Specifically, the second light shielding plate 3 is provided with a first slide rail 41 arranged along the second direction, the first light shielding plate 2 is provided with a second slide rail 42 arranged along the first direction, and the third light shielding plate 4 is provided with a slider matched with the first slide rail 41 and the second slide rail 42 so that the third light shielding plate 4 can slide along the first slide rail 41 or the second slide rail 42. The third light shielding plate 4 can seal the gap between the first light shielding plate 2 and the second light shielding plate 3 to prevent the gap between the first light shielding plate 2 and the second light shielding plate 3 from leaking light and affecting the inspection effect.
As an embodiment, two adjacent sides of the third light shielding plate 4 are provided with a second wedge-shaped surface 34, and the second wedge-shaped surface 34 and the fixing block 5 form the supporting surface. The second wedge-facet 34 functions similarly to the first wedge-facet 26.
As one embodiment, the first light shielding plate 2 is a long baffle, a ball screw 21 is disposed along the width direction of the front end surface of the housing 1, nuts 22 engaged with the ball screw 21 are disposed at two ends of the first light shielding plate 2, respectively, and the first driving member 23 is configured to drive the ball screw 21 to rotate, so as to drive the first light shielding plate 2 to move through the nuts 22. The ball screw may be fixed in the housing 1. In order to ensure the uniformity of the movement of the two ends of the first shading plate 2, the first driving piece 23 is connected with one end of one ball screw 21, and the other end of the ball screw 21 is connected with the other ball screw 21 through the steering piece 25, the horizontal driving rod 24 and the other steering piece 25, so that one driving piece drives the two parallel ball screws 21 to rotate. The steering element 25 is a 90 ° rotary direction changer, which may be a bevel gear or a worm gear drive, to achieve transmission of the direction of rotation on two perpendicular rotary rods.
The two second light shielding plates 3 are respectively arranged at two sides of the length direction of the light-transmitting opening, the second light shielding plates 3 are slidably arranged on the slide rails 32, the second light shielding plates 3 are connected with the driving plate, the driving plate is connected with a second driving piece 33 through a ball screw nut transmission pair, the second driving piece 33 drives the screw 31 of the ball screw nut transmission pair to rotate, and then the driving plate is moved through a nut fixed on the driving plate; in order to keep the two second light-shielding plates 3 moving together, the screw 31 has the opposite direction of the screw of the part engaged with the two nuts.
The number of the third light shielding plates 4 is two, the top surface of the second light shielding plate 3 is provided with a first slide rail 41 arranged along the width direction of the front end surface of the box body 1, the back surface of the first light shielding plate 2 is provided with a second slide rail 42 arranged along the length direction of the front end surface of the box body 1, and the third light shielding plate 4 is provided with a slide block matched with the first slide rail 41 and the second slide rail 42 so that the third light shielding plate 4 can freely slide along the first slide rail 41 or the second slide rail 42.
Including two second light screens 3 and a first light screen 2 in the above-mentioned embodiment, do jointly at three light screens, adjust "top" that first light screen 2 sheltered from the printing opacity mouth, two second light screens 3 shelter from the both sides of printing opacity mouth respectively, display panel's bottom position is unchangeable when can making the detection, can be located positive intermediate position on the length direction again, thereby make the lamp house that has the shading function can be according to the size of waiting to detect display panel, through sheltering from the size of edge in order to adjust the printing opacity mouth, prevent to lead to the detection effect poor because the edge light leak.
In another embodiment, the first shade 2 is two elongated baffles, which are respectively disposed at both ends of the front end surface of the housing 1 in the width direction. The driving structure of the first light shielding plate 2 is similar to that described above. The two second light shading plates 3 are arranged, so that the positions of the periphery of the light transmission opening can be adjusted. The third light shielding plate 4 is four, and the structure of the third light shielding plate 4 and the driving structure thereof are similar to those described above.
In another embodiment, one of the two second shading plates 3 is fixed, and the other one of the two second shading plates can move along the length direction of the front end surface of the box body 1, and in this case, the first sliding rail 41 does not need to be arranged on the first shading plate 2 corresponding to the fixed second shading plate 3.
As an improvement, the front end face of the lamp box 1 is further provided with a lamp box cover 11, the lamp box cover 11 is of a hollow-out structure in the middle, and the hollow-out part in the middle is the maximum area of the light-transmitting opening.
The lamp house with shading function in this embodiment sets up with the slope mode usually, perhaps can set up the conversion between the slope setting at the level under the effect of swing span, consequently, first light screen 2 sets up at light inlet top, and light inlet bottom need not to set up the motion, and direct by fixed light screen shading can.
The fixing block 5 is structured as shown in fig. 4, and includes a vertical portion 51 and a vertical portion 52, the vertical portion 51 and the vertical portion 52 have mutually perpendicular planes for supporting and aligning the display panel, and a circular concave portion 53 is formed at a junction of the vertical planes of the vertical portion 51 and the vertical portion 52.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A lamp box with shading function, characterized by comprising:
the backlight module comprises a box body (1), wherein a light-emitting element is arranged in the box body (1), and a light-transmitting opening is formed in the front end face of the box body (1) and used for providing backlight for a display panel to be irradiated;
the first shading plate (2) is arranged on the box body (1) along a first direction and can move along a second direction so as to adjust the light transmission area of the light transmission opening; the first direction is perpendicular to the second direction;
the two second shading plates (3) are arranged on the box body (1) along a second direction, and at least one of the two second shading plates (3) can move along the first direction so as to adjust the light transmission area of the light transmission opening;
the two second shading plates (3) are oppositely provided with fixing blocks (5) for positioning and supporting the display panel; and two adjacent side edges of the second shading plate (3) and the fixed block (5) form a supporting surface of the display panel.
2. The lamp box with shading function according to claim 1, wherein two adjacent sides of the second shading plate (3) are respectively provided with a first wedge surface, and the first wedge surfaces and the fixing block (5) form the supporting surface.
3. The light box with a light shielding function according to claim 1, further comprising two third light shielding plates (4), the two third light shielding plates (4) being slidably disposed on the two second light shielding plates (3), respectively, and the third light shielding plate (4) being slidably disposed on the first light shielding plate (2).
4. A lamp box with shading function according to claim 3, wherein the second shading plate (3) is provided with a first slide rail (41) arranged along the second direction, the first shading plate (2) is provided with a second slide rail (42) arranged along the first direction, and the third shading plate (4) is provided with a slide block matched with the first slide rail (41) and the second slide rail (42) so that the third shading plate (4) can slide along the first slide rail (41) or the second slide rail (42).
5. A lamp box with shading function according to claim 4, characterized in that the adjacent two sides of the third shading plate (4) are provided with a second wedge surface, and the second wedge surface and the fixed block (5) form the supporting surface.
6. A lamp box with shading function according to any one of claims 1 to 5, wherein a ball screw (21) is arranged in the box body (1) along the width direction of the front end face of the box body (1), nuts (22) matched with the ball screw (21) are respectively arranged at two ends of the first shading plate (2), and a first driving piece (23) is used for driving the ball screw (21) to rotate so as to drive the first shading plate (2) to move through the nuts (22); the first driving piece (23) is connected with one end of one ball screw (21), the other end of the ball screw (21) is connected with the other ball screw (21) through a steering piece (25), a horizontal driving rod (24) and the other steering piece (25), and the two parallel ball screws (21) are driven to rotate by the first driving piece (23).
7. A light box with shading function according to any one of claims 1 to 6, wherein the second shading plate (3) is slidably disposed on a slide rail (32), the second shading plate (3) is connected with a driving plate, the driving plate is connected with a second driving member (33) through a ball screw nut transmission pair, and the second driving member (33) drives a screw (31) of the ball screw nut transmission pair to rotate so as to drive the second shading plate (3) to move.
8. A lamp box with shading function according to claim 7, wherein the screw rod (31) is one, and the screw thread direction of the screw rod (31) and the matching part of the two nuts is opposite.
9. A light box with shading function according to any one of claims 1 to 8, characterized in that the fixing block (5) comprises a vertical part (51) and a vertical part (52), the vertical part (51) and the vertical part (52) have mutually perpendicular planes for the display panel for carrying and aligning, and the junction of the vertical planes of the vertical part (51) and the vertical part (52) has an inner recess (53).
10. A lamp box with shading function according to any one of claims 1 to 9, wherein the front end face of the box body (1) is further provided with a lamp box cover (11), the lamp box cover (11) is in a hollow-out structure in the middle, and the hollow-out part in the middle is the largest area of the light-transmitting opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236715.6A CN110987374A (en) | 2019-12-05 | 2019-12-05 | Lamp house with shading function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911236715.6A CN110987374A (en) | 2019-12-05 | 2019-12-05 | Lamp house with shading function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110987374A true CN110987374A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911236715.6A Pending CN110987374A (en) | 2019-12-05 | 2019-12-05 | Lamp house with shading function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110987374A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897153A (en) * | 2020-08-17 | 2020-11-06 | 苏州精濑光电有限公司 | Shading equipment for panel detection |
| CN114355642A (en) * | 2021-12-28 | 2022-04-15 | 深圳市深科达智能装备股份有限公司 | Lighting detection device, lighting detection system and lighting detection method |
| CN114815338A (en) * | 2022-05-11 | 2022-07-29 | 苏州精濑光电有限公司 | A kind of panel testing equipment and testing method thereof |
| CN115266031A (en) * | 2022-07-08 | 2022-11-01 | 苏州市琳珂照明科技有限公司 | LED test lamp box with automatic shading function |
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| CN208847971U (en) * | 2018-11-06 | 2019-05-10 | 黄学勇 | It is a kind of for adjusting the device of viewbox watch window size |
| CN209513221U (en) * | 2019-04-16 | 2019-10-18 | 苏州市琳珂照明科技有限公司 | The dedicated shade of test lamp box changed as screen size changes |
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| CN201014414Y (en) * | 2007-02-08 | 2008-01-30 | 鸿富锦精密工业（深圳）有限公司 | Computer panel conducting and shading device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111897153A (en) * | 2020-08-17 | 2020-11-06 | 苏州精濑光电有限公司 | Shading equipment for panel detection |
| CN114355642A (en) * | 2021-12-28 | 2022-04-15 | 深圳市深科达智能装备股份有限公司 | Lighting detection device, lighting detection system and lighting detection method |
| CN114355642B (en) * | 2021-12-28 | 2024-11-12 | 深圳市深科达智能装备股份有限公司 | Lighting detection device, lighting detection system and lighting detection method |
| CN114815338A (en) * | 2022-05-11 | 2022-07-29 | 苏州精濑光电有限公司 | A kind of panel testing equipment and testing method thereof |
| CN115266031A (en) * | 2022-07-08 | 2022-11-01 | 苏州市琳珂照明科技有限公司 | LED test lamp box with automatic shading function |
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Application publication date: 20200410 |