CN216980412U - Indicator light shading structure of key and display device - Google Patents
Indicator light shading structure of key and display device Download PDFInfo
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- CN216980412U CN216980412U CN202220192026.0U CN202220192026U CN216980412U CN 216980412 U CN216980412 U CN 216980412U CN 202220192026 U CN202220192026 U CN 202220192026U CN 216980412 U CN216980412 U CN 216980412U
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Abstract
The application belongs to the technical field of keys, and provides an indicator light shading structure and a display device of a key, which comprise a bottom plate, a circuit board, a key assembly, an optical assembly and a light shading assembly, wherein the bottom plate is provided with a first through hole and a second through hole; the circuit board is fixed on the upper part of the bottom plate and is arranged at intervals with the bottom plate; the key assembly comprises a key and a switch piece, the key can be arranged in the first through hole in a penetrating mode in a pressing mode, the switch piece is arranged on one side, close to the bottom plate, of the circuit board and corresponds to the position of the key, and the switch piece is used for being in contact with the pressed key; the optical assembly is positioned on one side of the key assembly and comprises a light guide piece covering the second through hole and an indicator lamp which is arranged on one side of the circuit board close to the bottom plate and corresponds to the light guide piece in position; the light blocking component comprises a first light blocking wall arranged on the upper portion of the bottom plate, the first light blocking wall surrounds the side, away from the key component, of the optical component in a semi-surrounding mode, and a semi-closed space is formed between the first light blocking wall, the circuit board and the bottom plate. The application provides an assembly easy operation of pilot lamp light-shielding structure.
Description
Technical Field
The application relates to the technical field of keys, in particular to an indicator light shading structure of a key and a display device.
Background
Display device generally includes the button and is used for expressing the pilot lamp of button state, and the light that the pilot lamp sent launches to display device's outside after passing the leaded light spare on the display device shell, among the prior art, in order to avoid the pilot lamp to take place the light leak phenomenon, often adopts shading mylar piece as the light-shielding structure of pilot lamp, and shading mylar piece is usually by shading polyester film stamping forming, need be attached around the pilot lamp with shading mylar piece during the equipment. In use discovers that the shading mylar film needs to be attached in a large range, and can have a good shading effect after the attaching fails and needs to be attached again, smoothed and the like, and the assembling operation is complex.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the application is to provide an indicator light shading structure and a display device of button to solve the technical problem that the assembly operation of the indicator light shading structure of the button is complex in the prior art.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided an indicator light shielding structure of a key, including:
the shell comprises a bottom plate, and a first through hole and a second through hole are formed in the bottom plate;
the circuit board is fixed on the upper part of the bottom plate and is arranged at intervals with the bottom plate;
the key assembly comprises a key and a switch piece, the key can be arranged in the first through hole in a penetrating mode in a pressing mode, the switch piece is arranged on one side, close to the bottom plate, of the circuit board and corresponds to the position of the key, and the switch piece is used for being in contact with the key when the key is pressed;
the optical assembly comprises a light guide part and an indicator light, the light guide part covers the second through hole, and the indicator light is arranged on one side of the circuit board close to the bottom plate and corresponds to the light guide part; and
the light blocking assembly comprises a first light blocking wall arranged on the upper portion of the bottom plate, the first light blocking wall at least surrounds the side, away from the key assembly, of the optical assembly in a semi-surrounding mode, and the first light blocking wall, the circuit board and the bottom plate form a semi-closed space.
In one embodiment, both ends of the first light blocking wall extend in a direction close to the key assembly and partially surround the key assembly.
In one embodiment, the light blocking assembly further includes a second light blocking wall disposed on the upper portion of the bottom plate, the second light blocking wall surrounds the optical assembly at a side close to the key assembly in a half-encircling manner, and forms a closed space with the first light blocking wall, the circuit board and the bottom plate.
In one embodiment, the first light-blocking wall is integrally formed with the bottom plate.
In one embodiment, the second light-blocking wall and the bottom plate are integrally formed.
In one embodiment, the number of the key assemblies is multiple, the optical assembly and the key assemblies are distributed in a strip shape, and the key assemblies are located on the same side of the optical assembly.
In one embodiment, a third through hole is formed in the circuit board, a screw post is arranged on the upper portion of the base plate, and the screw post is sleeved in the third through hole and is used for being in threaded connection with a threaded connecting piece to fix the circuit board to the base plate.
In one embodiment, the key comprises a key mounting plate and a key body protruding from the key mounting plate, the key body penetrates through the first through hole, and the key mounting plate is clamped between the circuit board and the bottom plate.
In one embodiment, a fourth through hole is formed in the key mounting plate, and the fourth through hole is used for allowing the screw column corresponding to the position of the key mounting plate to penetrate through.
In one embodiment, the light guide member includes a light guide mounting plate and a light guide member body protruding from the light guide mounting plate, the light guide member body is inserted into the second through hole, and the light guide mounting plate is sandwiched between the circuit board and the bottom plate.
In one embodiment, a fifth through hole is formed in the light guide mounting plate, and the fifth through hole is used for allowing the screw column corresponding to the position of the light guide mounting plate to penetrate through.
In order to achieve the above object, the present application further provides a display device, the display device includes the indicator light shading structure and the display screen assembly of the above key, the display screen assembly install in the housing.
The application provides an pilot lamp light-shielding structure and display device's of button beneficial effect lies in: compared with the prior art, according to the indicating lamp shading structure of the key, the circuit board and the bottom plate are respectively arranged above and below the indicating lamp, and the circuit board and the bottom plate are used as parts of the shading structure and used for shading light rays emitted by the indicating lamp upwards and downwards; the key assembly is arranged on one side of the optical assembly and also serves as a part of the shading structure to shade light rays emitted by the indicating lamp to the side close to the key assembly; the first light blocking wall is at least arranged on one side of the optical assembly, which is far away from the key assembly, and forms a semi-closed space with the bottom plate and the circuit board to block light rays emitted by the indicating lamp to one side, which is far away from the key assembly; the application provides an pilot lamp light-shielding structure of button utilizes circuit board, bottom plate and button subassembly as light-shielding structure's partly, only adds the first wall that keeps off light that is located bottom plate upper portion, and the spare part that needs extra assembly is few, and first wall in the light of being in the light fix on the bottom plate can, need not assembly operations such as attached, pacify, assembly easy operation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of an indicator light shading structure of a key according to an embodiment of the present application;
fig. 3 is an exploded schematic view of an indicator light shielding structure of a key according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
1-a display device;
10-indicator light shading structure of key; 100-a housing; 110-a base plate; 111-a first via; 112-a second via; 113-stud; 114-a threaded connection; 115-a first positioning column; 116-a second locating post; 200-a circuit board; 210-a third via; 300-a key assembly; 310-a key; 311-key mounting plate; 312-key body; 313-fourth via; 314-a first positioning hole; 320-a switch member; 400-an optical component; 410-a light guide; 411-a light guide mounting plate; 412-a light guide body; 413-a fifth via; 414-second positioning hole; 420-an indicator light; 500-a light barrier assembly; 510-a first light-blocking wall;
20-display screen assembly.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to fig. 3, a display device 1 and an indicator light shielding structure 10 of a key according to an embodiment of the present application will be described. The display device 1 comprises an indicator light shading structure 10 of a key and a display screen assembly 20, and the display device 1 can be an electronic device such as a television, a computer and the like. The key lamp shade structure 10 includes a housing 100, a circuit board 200, a key assembly 300, an optical assembly 400, and a light blocking assembly 500. The housing 100 includes a bottom plate 110, and the bottom plate 110 is provided with a first through hole 111 and a second through hole 112; the circuit board 200 is fixed on the upper portion of the base plate 110 and spaced apart from the base plate 110; the key assembly 300 includes a key 310 and a switch 320, the key 310 is disposed through the first through hole 111 in a pressing manner, the switch 320 is disposed on a side of the circuit board 200 close to the bottom plate 110 and corresponds to the key 310, and the switch 320 is used for contacting the key 310 when the key 310 is pressed; the optical assembly 400 includes a light guide 410 and an indicator light 420, the light guide 410 covers the second through hole 112, and the indicator light 420 is disposed on one side of the circuit board 200 close to the bottom plate 110 and corresponds to the light guide 410; the light blocking assembly 500 includes a first light blocking wall 510, the first light blocking wall 510 is disposed on the upper portion of the bottom plate 110, and the first light blocking wall 510 at least surrounds the optical assembly 400 at a side away from the key assembly 300, and forms a semi-enclosed space with the circuit board 200 and the bottom plate 110.
It should be noted that, in the light shielding structure 10 of the indicator light of the key provided in this embodiment, the key 310 may be a key having functions of "on/off", "play/pause", and the like. The number of key assemblies 300 may be one, two, three, etc., and may be selected according to needs, and is not limited herein.
It should be noted that, in the light shielding structure 10 for indicator lights of a key provided in this embodiment, when the number of the optical assemblies 400 is one, and a plurality of optical assemblies 400 are provided, the indicator lights 420 of the plurality of optical assemblies 400 are easy to cross each other. The indicator lamp 420 of the optical assembly 400 can be switched to flashing, normally on, off, etc. states to display the state of the key 310 after the key 310 is pressed.
Specifically, the first light blocking wall 510 may be made of a thermoplastic elastomer or the like, and may be disposed as needed, which is not limited herein.
Compared with the prior art, in the indicator light shielding structure 10 of the key provided by the embodiment, the circuit board 200 and the bottom plate 110 are respectively arranged above and below the indicator light 420, and the circuit board 200 and the bottom plate 110 are used as a part of the light shielding structure to shield the indicator light 420 from emitting light upwards and downwards; the key assembly 300 is disposed on one side of the optical assembly 400, and also serves as a part of the light shielding structure to shield the light emitted from the indicator lamp 420 to the side close to the key assembly 300; the first light-blocking wall 510 is at least disposed on a side of the optical assembly 400 away from the key assembly 300, and forms a semi-enclosed space with the bottom plate 110 and the circuit board 200 to block light emitted from the indicator 420 to the side away from the key assembly 300; the utility model provides an indicator light-shielding structure 10 of button utilizes circuit board 200, bottom plate 110 and button subassembly 300 as light-shielding structure's partly, only adds the first wall 510 that keeps off light that is located bottom plate 110 upper portion, and the spare part that needs extra assembly is few, and first wall 510 that keeps off light fix on bottom plate 110 can, need not assembly operations such as attached, pacify, assembly easy operation.
In addition, the light-shielding structure 10 of the indicator light of the key provided by the embodiment does not need to adopt a light-shielding mylar sheet in the prior art, and has low material cost (including indirect costs of material management and control, purchase and the like); the operation such as attaching, smoothing and the like is not needed, the reject ratio caused by manual attaching operation errors can be avoided, the workload of maintenance personnel is indirectly reduced, and the labor cost is lower.
In another embodiment of the present application, referring to fig. 3, both ends of the first light-blocking wall 510 extend toward the key assembly 300 and partially surround the key assembly 300, so as to prevent light emitted from the indicator light 420 from leaking toward the key assembly 300, and the light-blocking structure has a better light-blocking effect.
In another embodiment of the present application, light barrier assembly 500 further includes a second light barrier wall (not shown) disposed on the upper portion of base plate 110, and the second light barrier wall surrounds the optical assembly 400 at a side close to key assembly 300 and forms an enclosed space with first light barrier wall 510, circuit board 200 and base plate 110.
When the second light blocking wall is disposed on the upper portion of the bottom plate 110, the number of the optical assemblies 400 is not limited to one, and the number of the optical assemblies 400 may be two, three, or the like, and may be set as needed. When the number of the optical assemblies 400 is plural, the number of the light blocking assemblies 500 is the same as that of the optical assemblies 400, each optical assembly 400 has a corresponding first light blocking wall 510 and a corresponding second light blocking wall, that is, each optical assembly 400 is enclosed in an independent enclosed space, light emitted by the indicator lamp 420 of each optical assembly 400 is transmitted to the outside of the display device 1 only through the corresponding light guide 410, and is not transmitted from the light guide 410 of the other optical assemblies 400, and light cannot escape from each other among the optical assemblies 400.
In the light shielding structure 10 of the key provided in this embodiment, light emitted by the indicator 420 can be completely enclosed in the enclosed space formed by the first light-blocking wall 510, the second light-blocking wall, the bottom plate 110 and the circuit board 200, and the light shielding effect of the light shielding structure is better.
In another embodiment of the present application, the second light blocking wall may be integrally formed with the base plate 110. Therefore, the second light blocking wall does not need to be assembled, the assembling operation of the light blocking structure is simpler, no gap exists between the second light blocking wall and the bottom plate 110, and the light blocking effect of the light blocking structure is better.
In another embodiment of the present application, referring to fig. 3, the first light-blocking wall 510 may also be formed integrally with the bottom plate 110. In this way, the first light blocking wall 510 does not need to be assembled, the assembling operation of the light blocking structure is simpler, and no gap exists between the first light blocking wall 510 and the bottom plate 110, so that the light blocking effect of the light blocking structure is better.
In another embodiment of the present application, please refer to fig. 2 and fig. 3, the number of key assemblies 300 is multiple, the optical assembly 400 and the key assemblies 300 are distributed in a bar shape, and the key assemblies 300 are located on the same side of the optical assembly 400.
By adopting the indicator light shading structure 10 of the key with the structure, each key assembly 300 is distributed on the same side of the optical assembly 400 in a strip shape, and light rays emitted by the indicator light 420 have multiple shading effects, so that the light rays emitted by the indicator light 420 are difficult to emit from the direction close to the key assembly 300, and the shading effect of the shading structure is better.
In another embodiment of the present application, referring to fig. 3, as a mounting manner of the circuit board 200 to the base plate 110, the circuit board 200 is provided with a third through hole 210, the upper portion of the base plate 110 is provided with a screw post 113, and the screw post 113 is sleeved in the third through hole 210 and is used for being in threaded connection with the threaded connector 114 to fix the circuit board 200 to the base plate 110.
By adopting the indicator light shading structure 10 of the key with the structure, the circuit board 200 is arranged on the bottom plate 110 through the threaded connecting piece 114, so that the operation is convenient; and the screw column 113 is arranged on the bottom plate 110, the screw thread connecting piece 114 penetrates through the circuit board 200 and then is connected with the screw column 113, the screw thread connecting piece 114 cannot be exposed, and the appearance of the shading structure can be ensured to be attractive.
In another embodiment of the present application, referring to fig. 2 and 3, the key 310 includes a key mounting plate 311 and a key body 312 protruding on the key mounting plate 311, the key body 312 is disposed through the first through hole 111, and the key mounting plate 311 is sandwiched between the circuit board 200 and the bottom plate 110.
By adopting the indicator light shading structure 10 of the key with the structure, after the key body 312 is arranged in the first through hole 111 in a penetrating manner, the key mounting plate 311 can be directly clamped and fixed by the circuit board 200 and the bottom plate 110, so that the key 310 does not need other mounting structures, the mounting structure is simple, and the operation is convenient.
In another embodiment of the present application, referring to fig. 3, a fourth through hole 313 is formed on the key 310 mounting plate, and the fourth through hole 313 is used for allowing the screw post 113 corresponding to the position of the key mounting plate 311 to penetrate therethrough.
By adopting the indicator light shading structure 10 of the key with the above structure, the screw post 113 corresponding to the key mounting plate 311 on the circuit board 200 can be used for positioning the key mounting plate 311, so that the key 310 can more stably penetrate through the first through hole 111.
In another embodiment of the present application, referring to fig. 3, the light guide 410 includes a light guide mounting plate 411 and a light guide body 412 protruding from the light guide mounting plate 411, the light guide body 412 is disposed through the second through hole 112, and the light guide mounting plate 411 is sandwiched between the circuit board 200 and the bottom plate 110.
By adopting the indicator light shading structure 10 with the above structure, after the light guide body 412 is arranged in the second through hole 112 in a penetrating manner, the light guide mounting plate 411 can be directly clamped and fixed by the circuit board 200 and the bottom plate 110, so that the light guide 410 does not need other mounting structures, the mounting structure is simple, and the operation is convenient.
In another embodiment of the present application, please refer to fig. 3, a fifth through hole 413 is disposed on the light guide mounting plate 411, and the fifth through hole 413 is used for the screw post 113 corresponding to the position of the light guide mounting plate 411 to penetrate through.
By adopting the indicator light shading structure 10 with the above structure, the screw post 113 corresponding to the light guide mounting plate 411 on the circuit board 200 can be used for positioning the light guide mounting plate 411, so that the light guide member 410 is more stably covered on the second through hole 112.
In another embodiment of the present application, please refer to fig. 3, the bottom plate 110 is further provided with a first positioning post 115, and the first positioning post 115 is used for positioning the button 310.
It should be noted that the number and the position of the first positioning posts 115 may be set according to needs, and are not limited herein. The key 310 is provided with a first positioning hole 314 corresponding to the first positioning post 115, and particularly, when the key 310 is provided with a key mounting plate 311, the key mounting plate 311 may be provided with the first positioning hole 314.
The indicator light shielding structure 10 of the key with the above structure can make the key 310 more stably pass through the first through hole 111.
In another embodiment of the present application, please refer to fig. 3, a second positioning column 116 is further disposed on the bottom plate 110, and the second positioning column 116 is used for positioning the light guide 410.
Similarly, when the second positioning column 116 positions the light guide 410, the light guide 410 is provided with a corresponding second positioning hole 414, and specifically, when the light guide 410 is provided with the light guide mounting plate 411, the light guide mounting plate 411 may be provided with a corresponding second positioning hole 414.
The light shielding structure 10 of the key with the above structure can make the light guide member 410 cover the second through hole 112 more stably.
Referring to fig. 1, the present application further provides a display device 1, the display device 1 includes the above-mentioned indicator light shielding structure 10 of the key and a display screen assembly 20, and the display screen assembly 20 is mounted on a housing 100 of the indicator light shielding structure 10 of the key.
Since the display device 1 adopts all embodiments of the indicator light shielding structure 10 of the key, at least all the beneficial effects of the embodiments are obtained, and no further description is given here.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an pilot lamp light-shielding structure of button which characterized in that, pilot lamp light-shielding structure of button includes:
the shell comprises a bottom plate, and a first through hole and a second through hole are formed in the bottom plate;
the circuit board is fixed on the upper part of the bottom plate and is arranged at intervals with the bottom plate;
the key assembly comprises a key and a switch piece, the key can be arranged in the first through hole in a penetrating mode in a pressing mode, the switch piece is arranged on one side, close to the bottom plate, of the circuit board and corresponds to the position of the key, and the switch piece is used for being in contact with the key when the key is pressed;
the optical assembly comprises a light guide part and an indicator light, the light guide part covers the second through hole, and the indicator light is arranged on one side of the circuit board close to the bottom plate and corresponds to the light guide part; and
the light blocking component comprises a first light blocking wall arranged on the upper portion of the bottom plate, the first light blocking wall at least surrounds the side, away from the key component, of the optical component in a semi-encircled mode, and a semi-closed space is formed between the first light blocking wall, the circuit board and the bottom plate.
2. The light shield structure for indicating lamp of key set of claim 1, wherein both ends of said first light shield wall extend toward the direction close to said key assembly and partially surround said key assembly.
3. The structure of claim 1, wherein the light blocking assembly further comprises a second light blocking wall disposed on the upper portion of the bottom plate, the second light blocking wall surrounds the optical assembly at a side close to the key assembly in a half-encircling manner, and forms a closed space with the first light blocking wall, the circuit board and the bottom plate.
4. The shielding structure for indicating lamp of claim 3, wherein said first light-blocking wall is formed integrally with said bottom plate; and/or the second light-blocking wall and the bottom plate are integrally formed.
5. The light shielding structure of an indicator light of a key set of claim 1, wherein the number of the key assemblies is plural, the optical assembly and the key assemblies are distributed in a strip shape, and the key assemblies are located on the same side of the optical assembly.
6. The light shielding structure of an indicator light of a key set according to any one of claims 1 to 5, wherein a third through hole is formed on the circuit board, and a screw post is disposed on the upper portion of the bottom plate, and the screw post is sleeved in the third through hole and is used for being in threaded connection with a threaded connector to fix the circuit board to the bottom plate.
7. The light shielding structure of the indicator light of the key set of claim 6, wherein the key set comprises a key mounting plate and a key set body protruding from the key mounting plate, the key set body is inserted into the first through hole, and the key mounting plate is sandwiched between the circuit board and the bottom plate.
8. The light shielding structure of the indicating lamp of the key set of claim 7, wherein a fourth through hole is provided on the key mounting plate, and the fourth through hole is used for the screw post corresponding to the key mounting plate to penetrate through.
9. The light shielding structure of the indicator light of the key set according to claim 6, wherein the light guide member includes a light guide mounting plate and a light guide member body protruding from the light guide mounting plate, the light guide member body is inserted into the second through hole, and the light guide mounting plate is sandwiched between the circuit board and the bottom plate; be equipped with the fifth through-hole on the leaded light mounting panel, the fifth through-hole be used for with leaded light mounting panel position corresponds the screw post is worn to establish.
10. A display device, characterized in that the display device comprises an indicator light shielding structure of the key set according to any one of claims 1 to 9 and a display screen assembly, the display screen assembly being mounted to the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220192026.0U CN216980412U (en) | 2022-01-24 | 2022-01-24 | Indicator light shading structure of key and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220192026.0U CN216980412U (en) | 2022-01-24 | 2022-01-24 | Indicator light shading structure of key and display device |
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| CN216980412U true CN216980412U (en) | 2022-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524772A (en) * | 2024-01-05 | 2024-02-06 | 深圳市迈迪杰电子科技有限公司 | Backlight assembly of notebook keyboard |
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2022
- 2022-01-24 CN CN202220192026.0U patent/CN216980412U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524772A (en) * | 2024-01-05 | 2024-02-06 | 深圳市迈迪杰电子科技有限公司 | Backlight assembly of notebook keyboard |
| CN117524772B (en) * | 2024-01-05 | 2024-04-12 | 深圳市迈迪杰电子科技有限公司 | Backlight assembly of notebook keyboard |
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