CN113534535B - Backlight device and mounting process thereof - Google Patents
Backlight device and mounting process thereof Download PDFInfo
- Publication number
- CN113534535B CN113534535B CN202110773647.8A CN202110773647A CN113534535B CN 113534535 B CN113534535 B CN 113534535B CN 202110773647 A CN202110773647 A CN 202110773647A CN 113534535 B CN113534535 B CN 113534535B
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- frame
- lamp strip
- connecting plate
- way bearing
- bolt
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- 238000000034 method Methods 0.000 title description 10
- 238000011900 installation process Methods 0.000 claims abstract description 7
- 238000009792 diffusion process Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 230000035515 penetration Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The application relates to a backlight device and an installation process thereof, and belongs to the field of lighting equipment. The backlight device is convenient and quick to replace the lamp strip, long in service life and commonly used in the field of displays.
Description
Technical Field
The application relates to the field of lighting equipment, in particular to a backlight device and an installation process thereof.
Background
BackLight (BackLight) is a light source located behind a Liquid Crystal Display (LCD) and its lighting effect will directly affect the liquid crystal display module (LCM) visual effect. The liquid crystal display does not emit light itself, and displays figures or characters as a result of light modulation, and is widely applied to industries such as touch screens, backlights, LCD/LCM, mobile phones, tablet computers, GPS, solar cells and the like.
At present, the existing backlight source generally comprises a frame, a light guide plate, a diffusion film and a light bar, wherein the light bar is arranged on one side in the frame, and the light bar irradiates the light guide plate to form a surface light source, so that light rays are more uniform and softer.
With respect to the above related art, the inventor considers that when the light bar in the frame needs to be replaced after being damaged, the conventional backlight source needs to integrally disassemble the light guide plate and the diffusion film in the disassembly process, and the light guide plate and the diffusion film are easy to be damaged during the disassembly, so that the operation of replacing the light bar of the conventional backlight source is troublesome.
Disclosure of Invention
In order to enable the lamp strip to be replaced more conveniently and prevent damage to internal parts, the application provides a backlight source device.
In a first aspect, the present application provides a backlight device, which adopts the following technical scheme:
the utility model provides a backlight device, includes the frame, sets up lamp strip, light guide plate and the diffusion barrier in the frame, be equipped with the circuit board of being connected with the lamp strip electricity in the frame, the frame includes framework and lid, the framework lateral wall is equipped with the opening rather than inside intercommunication, be provided with the spout in the framework, spout and opening intercommunication each other, the lamp strip slidingly sets up in the spout, be equipped with the fastener between lid and the framework, the lid is sealed the opening, the circuit board is provided with the socket, the lamp strip is equipped with the plug with socket grafting complex, the grafting direction of plug and socket is the same with the extending direction of spout.
Through adopting above-mentioned technical scheme, when needs change the lamp strip, only need open the lid, then pull out in follow the spout with just the lamp strip, plug and socket grafting cooperation, in the in-process of pull lamp strip, plug and socket can autosegregation, insert new lamp strip in the spout again, the plug on the new lamp strip also inserts in the socket equally, at last again with lid and framework fixed can, need not dismantle light guide plate and diffusion barrier for diffusion barrier and light guide plate are difficult for impaired, avoid causing unnecessary extravagant, the lamp strip is dismantled and is installed simultaneously also more convenient.
Optionally, the cover body and the light bar are detachably connected together.
By adopting the technical scheme, the plug on the light bar is plugged into the socket of the circuit board, and meanwhile, the light bar is completely positioned in the sliding groove, so that the light bar is inconvenient to pull out when being pulled out.
Optionally, the cover body is provided with a hook body, one side of the lamp strip, which is close to the cover body, is provided with a through groove, and the hook body passes through the through groove to form a hook joint with the lamp strip.
Through adopting above-mentioned technical scheme, after the lid is dismantled from the framework, just can collude the lamp strip together and draw out at the in-process that outwards removes, it is more convenient to operate.
Optionally, the lamp strip is fixedly provided with the connecting plate, be equipped with the bolt between lid and the connecting plate, the lid passes through the bolt fastening with the connecting plate.
Through adopting above-mentioned technical scheme, link together lid and connecting plate detachable through the bolt, just can pull out connecting plate and lamp strip together when outwards removing the lid, after the pull out, only need unscrew the bolt just have and separate lid and connecting plate.
Optionally, the fastener is a bolt, and the cover body, the connecting plate and the frame body are fixed by the same bolt.
Through adopting above-mentioned technical scheme, fix lid, connecting plate and framework through same bolt for follow-up when dismantling and installing the lamp strip more convenient and fast.
Optionally, the bolt is rotatably connected with the cover.
Through adopting above-mentioned technical scheme, the bolt rotates with the lid to link together for at the in-process of dismantling the lamp strip, the bolt links together with the lid all the time, and the phenomenon that the bolt is difficult for taking place to drop and can not find.
Optionally, the bolt includes first screw thread section and the second screw thread section opposite with first screw thread section screw thread, the diameter of second screw thread section is less than the diameter of first screw thread section, the framework is equipped with the screw hole with second screw thread section looks adaptation, the connecting plate is equipped with the through-hole that supplies the bolt to pass, set firmly one-way bearing in the through-hole, one-way bearing's inner race inner wall is equipped with the internal thread with first screw thread section looks adaptation, one-way bearing's locking direction is the unscrewing direction of first screw thread section and one-way bearing.
Through adopting above-mentioned technical scheme, when need dismantle the lamp strip, only need rotate the bolt for the separation takes place for second screw thread section and framework, because the screw thread of first screw thread section and second screw thread section revolves to opposite, the first screw thread section of bolt just can take place idle running in the through-hole of connecting plate under the effect of one-way bearing like this, the bolt still links together with the connecting plate, after the reverse rotation of bolt, one-way bearing can not take place to rotate, thereby the bolt just can take place the separation with one-way bearing, such structure makes can separate step by step between framework, connecting plate and the lid, after the separation takes place for framework and connecting plate, but still link together between connecting plate and the lid all the time, just so can be smoothly with connecting plate and lamp strip pull together after outwards removing the lid.
Optionally, be equipped with the elastic component in the framework, the one end of elastic component is fixed on the framework, and other one end is contradicted on the connecting plate, the effort direction of elastic component to the connecting plate is the axis direction of bolt.
Through adopting above-mentioned technical scheme, rotate the bolt and take place the separation back with the framework when the connecting plate, the elasticity of elastic component will act on the connecting plate and make the connecting plate can outwards remove fast to just can make operating personnel know that connecting plate and framework have taken place the separation, need not rotate the bolt again, such structure makes operating personnel operate more conveniently.
Optionally, the connecting plate is equipped with the gag lever post that is used for carrying out spacing to one-way bearing inner race, connecting plate and one-way bearing outer lane are equipped with the through-hole that supplies the gag lever post to penetrate, the draw-in groove with the gag lever post joint has been seted up to one-way bearing's inner race, the one end that one-way bearing was kept away from to the gag lever post extends outside the connecting plate.
Through adopting above-mentioned technical scheme, when needs screw the first screw thread section of bolt to the one-way bearing on, only need with the gag lever post card go into the draw-in groove of one-way bearing inner circle for one-way bearing's outer lane and inner circle can not take place to rotate, the first screw thread section of bolt just so can very conveniently screw on one-way bearing's the inner circle.
In a second aspect, the present application provides a process for mounting a backlight device, which adopts the following technical scheme.
An installation process of a backlight device comprises the following operation steps:
A. and (3) mounting a circuit board: the circuit board with the socket is pre-installed in the frame body, so that the circuit board can be firmly fixed with the frame body, and the opening of the socket is communicated with the chute;
B. and (3) mounting a lamp strip: after the circuit board is installed, the lamp strip with the plug at the end part is inserted into the chute of the frame body, and the plug on the lamp strip is inserted into the socket on the circuit board;
C. mounting of the light guide plate and the diffusion film: after the light bar is installed, the light guide plate and the diffusion film are installed on the frame, and the diffusion film is positioned above the light guide plate;
D. and (3) mounting a cover body: finally, the cover body is fixedly arranged on the frame body, so that the integral structure of the backlight source device is fixed.
In summary, the present application includes at least one of the following beneficial technical effects:
when the lamp strip needs to be disassembled, only the cover body needs to be disassembled, the lamp strip can be pulled out together when the cover body is moved outwards, and the light guide plate and the diffusion film do not need to be disassembled in the disassembling process, so that the light guide plate and the diffusion film are not easy to damage, and the lamp strip is more convenient and simple to disassemble.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first embodiment of the present application.
Fig. 3 is a schematic diagram of a structure among a circuit board, a light bar and a cover according to an embodiment of the application.
Fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is a schematic structural view of a one-way bearing according to a first embodiment of the present application.
Fig. 6 is a schematic structural diagram of the second embodiment of the present application, the light bar and the cover.
Reference numerals illustrate: 1. a light bar; 2. a frame; 21. a frame; 22. a cover body; 3. a light guide plate; 4. a diffusion film; 5. a circuit board; 6. an opening; 7. a chute; 8. a fastener; 9. a socket; 10. a plug; 11. a hook body; 12. a through groove; 13. a connecting plate; 14. a bolt; 141. a first thread segment; 142. a second thread segment; 15. a rotating plate; 16. a through hole; 17. a one-way bearing; 171. an inner ring; 172. an outer ring; 18. an elastic member; 19. a limit rod; 20. a through hole; 201. a clamping groove; 202. a contact plate; 203. a positioning spring; 204. a cover plate; 205. a connecting block; 206. a threaded hole; 207. and a mounting groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-6.
An embodiment of the application discloses a backlight device. Referring to fig. 1 and 2, the backlight device includes a frame 21 and a cover 22, one end of the frame 21 is provided with an opening 6 communicating with the outside, the cover 22 is used for sealing the opening 6 on the frame 21, a fastening member 8 is provided between the frame 21 and the cover 22, the fastening member 8 is a bolt 14, the frame 21 and the cover 22 are fixedly connected to form a frame 2, a light guide plate 3 and a diffusion film 4 are provided in the frame 2, the diffusion film 4 is located above the light guide plate 3, a transparent cover plate 204 is further provided above the diffusion film 4, the cover plate 204 is clamped with the frame 21, a chute 7 communicating with the opening 6 is provided on the inner wall of the frame 21, a lamp bar 1 is slidably provided in the chute 7, and illumination of the lamp bar 1 is directed to the light guide plate 3.
Referring to fig. 2 and 3, a circuit board 5 is fixedly arranged in a frame 21, a socket 9 electrically connected with the circuit board 5 is fixedly arranged on the circuit board 5, a plug 10 is arranged at one end of the light bar 1 close to the socket 9, after the light bar 1 is inserted into the chute 7 from one end of the opening 6, the plug 10 on the light bar 1 can be plugged into the socket 9 of the circuit board 5 so as to realize the electrical connection, a connecting block 205 is fixedly arranged in the frame 21, a connecting plate 13 is fixedly arranged at the other end of the light bar 1 opposite to the plug 10, and the cover 22, the connecting plate 13 and the connecting block 205 are fixed through the same bolt 14.
Referring to fig. 3 and 4, the bolts 14 pass through the cover 22 and are rotatably connected with the cover 22 through the rotation plate 15, and in the manufacturing process, the cover 22 is divided into upper and lower halves, and the rotation plate 15 is welded after being put between the two halves of the cover 22; the bolt 14 comprises a first threaded section 141 and a second threaded section 142, the threads of the first threaded section 141 and the second threaded section 142 are opposite in screwing direction, the second threaded section 142 is close to the end part of the bolt 14, the diameter of the second threaded section 142 is smaller than that of the first threaded section 141, a threaded hole 206 matched with the second threaded section 142 is formed in the connecting block 205, a through hole 16 for the first threaded section 141 of the bolt 14 to pass through is formed in the connecting plate 13, a one-way bearing 17 is fixedly arranged on the inner wall of the through hole 16, an inner thread matched with the first threaded section 141 is formed in the inner wall of the one-way bearing 17, when the bolt 14 rotates anticlockwise, the second threaded section 142 of the bolt 14 can be separated from the threaded hole 206 of the connecting block 205, the first threaded section 141 only idles with the connecting plate 13 under the action of the one-way bearing 17, and the connecting plate 13 is still connected with the cover 22; after that, the bolt 14 is rotated clockwise, and the one-way bearing 17 is not rotated, so that the first thread section 141 of the bolt 14 can be separated from the connecting plate 13, and separation between the connecting plate 13 and the cover 22 is realized.
Referring to fig. 4 and 5, a limiting rod 19 for circumferentially limiting an inner ring 171 of a one-way bearing 17 is arranged on a connecting plate 13, through holes 20 for sliding the limiting rod 19 are arranged on the connecting plate 13 and an outer ring 172 of the one-way bearing 17, the limiting rod 19 is slidably arranged in the through holes 20 in a penetrating manner, a clamping groove 201 which is clamped with the inner end of the limiting rod 19 is formed in the inner ring 171 of the one-way bearing 17, the outer end of the limiting rod 19 extends out of the connecting plate 13 and is fixedly provided with a supporting plate 202 at the outer end, a positioning spring 203 is arranged between the supporting plate 202 and the outer wall of the connecting plate 13, one end of the positioning spring 203 is fixedly connected with the supporting plate 202, the other end of the positioning spring 203 is fixedly connected to the outer wall of the connecting plate 13, when the positioning spring 203 is in a natural state, the inner end of the limiting rod 19 is positioned outside the clamping groove 201, and the inner ring 171 of the one-way bearing 17 can freely rotate anticlockwise, and when the inner ring 171 of the one-way bearing 17 needs to be limited to rotate, the supporting plate 202 is only needs to be pushed, so that the inner end of the limiting rod 19 is clamped into the clamping groove 201.
Referring to fig. 4, a mounting groove 207 is formed in a side wall of the connecting block 205, which is close to the connecting block 13, an elastic member 18 is mounted in the mounting groove, the elastic member 18 is an elastic spring, one end of the elastic member 18 is fixed in the mounting groove 207, the other end is abutted against the outer wall of the connecting block 13, and when the connecting block 13 and the connecting block 205 are fixedly connected together, the elastic member 18 is all in the mounting groove 207 and in a compressed state; when the connecting plate 13 is separated from the connecting block 205, the connecting plate 13 can rapidly move outwards under the action of the elastic force of the elastic piece 18.
The implementation principle of the backlight device of the embodiment of the application is as follows: when the light bar 1 needs to be disassembled, the bolt 14 is rotated anticlockwise, so that the cover body 22 and the connecting plate 13 are integrally disassembled from the frame body 21, and in the process of moving the cover body 22 outwards, the light bar 1 can be pulled out of the chute 7 together due to the fact that the connecting plate 13 is connected with the cover body 22, in the process of pulling out, the plug 10 on the light bar 1 can be directly separated from the socket 9, after the light bar 1 is pulled out, the bolt 14 is rotated clockwise, the connecting plate 13 is separated from the cover body 22, and therefore the old light bar 1 can be replaced; in the installation process, firstly, the abutting plate 202 is pushed to enable the inner end of the limiting rod 19 to be clamped into the clamping groove 201 of the inner ring 171 of the one-way bearing 17, the inner ring 171 of the one-way bearing 17 is limited through the limiting rod 19, then the bolt 14 is rotated anticlockwise, the first threaded section 141 of the bolt 14 is screwed into the inner ring 171 of the one-way bearing 17, so that the connecting plate 13 and the cover 22 are fixed, finally, the bolt 14 is rotated clockwise, the second threaded section 142 of the bolt 14 is screwed into the threaded hole 206 of the connecting block 205, and the fixing of the connecting plate 13 and the connecting block 205 is achieved, so that the whole installation process is completed.
An installation process of a backlight device comprises the following operation steps:
A. mounting of the circuit board 5: the circuit board 5 with the socket 9 is pre-installed in the frame 21, so that the circuit board can be firmly fixed with the frame 21, and the opening 6 of the socket 9 is communicated with the chute 7;
B. mounting of the light bar 1: after the circuit board 5 is installed, the lamp strip 1 with the plug 10 at the end part is inserted into the chute 7 of the frame 21, and the plug 10 on the lamp strip 1 is inserted into the socket 9 on the circuit board 5;
C. mounting of the light guide plate 3 and the diffusion film 4: after the light bar 1 is installed, the light guide plate 3 and the diffusion film 4 are installed on the frame 2, the diffusion film 4 is positioned above the light guide plate 3, and the cover plate 204 is installed above the diffusion film 4;
D. mounting of the cover 22: finally, the cover 22 is fixedly mounted to the frame 21, so that the overall structure of the backlight device is fixed.
The main difference between the second embodiment and the first embodiment with reference to fig. 6 is that: the inner side of the cover body 22 is fixedly provided with a hook body 11, the lamp strip 1 is provided with a through groove 12, and the hook body 11 passes through the through groove 12 to be hooked with the lamp strip 1, so that the cover body 22 and the lamp strip 1 are detachably connected together in a hooking way.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (4)
1. The utility model provides a backlight device, includes frame (2), sets up lamp strip (1), light guide plate (3) and diffusion membrane (4) in frame (2), be equipped with in frame (2) circuit board (5) be connected with lamp strip (1) electricity, its characterized in that: the frame (2) comprises a frame body (21) and a cover body (22), an opening (6) communicated with the inside of the frame body (21) is formed in the side wall of the frame body (21), a sliding groove (7) is formed in the frame body (21), the sliding groove (7) is communicated with the opening (6), the lamp strip (1) is slidingly arranged in the sliding groove (7), the lamp strip (1) is fixedly provided with a connecting plate (13), a fastener (8) is arranged between the cover body (22) and the frame body (21), the cover body (22) is sealed with the opening (6), a bolt (14) is arranged between the cover body (22) and the connecting plate (13), the fastener (8) is a bolt (14), the cover body (22), the connecting plate (13) and the frame body (21) are fixed through the same bolt (14), the bolt (14) comprises a first threaded section (141) and a second threaded section (142) which is opposite to the first threaded section (141), the second threaded section (142) is smaller than the first threaded section (141) and the first threaded section (21) is provided with a through hole (14), the through hole (16) is internally fixedly provided with a one-way bearing (17), the inner wall of an inner ring (171) of the one-way bearing (17) is provided with an internal thread matched with the first thread section (141), the locking direction of the one-way bearing (17) is the unscrewing direction of the first thread section (141) and the one-way bearing (17), the frame (21) is internally provided with an elastic piece (18), one end of the elastic piece (18) is fixed on the frame (21), the other end of the elastic piece (18) is abutted on the connecting plate (13), the acting force direction of the elastic piece (18) on the connecting plate (13) is the axial direction of the bolt (14), the connecting plate (13) is provided with a limiting rod (19) used for limiting an inner ring (171) of the one-way bearing (17), the connecting plate (13) and an outer ring (172) of the one-way bearing (17) are provided with a through hole (20) for the penetration of the limiting rod (19), the inner ring (171) of the one-way bearing (17) is provided with a clamping groove (201) clamped with the limiting rod (19), one end of the limiting rod (19) away from the one-way bearing (17) extends out of the connecting plate (13), the circuit board (5) is provided with a socket (9), the lamp strip (1) is provided with a plug (10) in plug-in fit with the socket (9), the plug-in direction of the plug (10) and the socket (9) is the same as the extending direction of the chute (7).
2. A backlight device according to claim 1, wherein: the cover body (22) is detachably connected with the light bar (1).
3. A backlight device according to claim 2, wherein: the lamp strip is characterized in that the cover body (22) is provided with a hook body (11), one side, close to the cover body (22), of the lamp strip (1) is provided with a through groove (12), and the hook body (11) penetrates through the through groove (12) to form a hook joint with the lamp strip (1).
4. An installation process for installing the backlight device of claim 1, comprising the following steps:
A. mounting of the circuit board (5): the circuit board (5) with the socket (9) is pre-installed in the frame body (21) so that the circuit board can be firmly fixed with the frame body (21), and the opening (6) of the socket (9) is communicated with the sliding groove (7);
B. mounting of the light bar (1): after the circuit board (5) is installed, the lamp strip (1) with the plug (10) at the end part is inserted into the chute (7) of the frame body (21), and the plug (10) on the lamp strip (1) is inserted into the socket (9) on the circuit board (5);
C. mounting of the light guide plate (3) and the diffusion film (4): after the installation of the light bar (1) is completed, the light guide plate (3) and the diffusion film (4) are installed on the frame (2), the diffusion film (4) is positioned above the light guide plate (3), and the cover plate 204 is installed above the diffusion film 4;
D. and (3) mounting a cover body (22): finally, the cover body (22) is fixedly arranged on the frame body (21), so that the whole structure of the backlight source device is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110773647.8A CN113534535B (en) | 2021-07-08 | 2021-07-08 | Backlight device and mounting process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110773647.8A CN113534535B (en) | 2021-07-08 | 2021-07-08 | Backlight device and mounting process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113534535A CN113534535A (en) | 2021-10-22 |
| CN113534535B true CN113534535B (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110773647.8A Active CN113534535B (en) | 2021-07-08 | 2021-07-08 | Backlight device and mounting process thereof |
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| Country | Link |
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| CN (1) | CN113534535B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09315730A (en) * | 1996-05-29 | 1997-12-09 | Hirotsuku Tekunika Kk | Safety device of screw type elevator |
| CN101922496A (en) * | 2009-09-03 | 2010-12-22 | 张元金 | Bolt and bolt connecting structure thereof |
| CN108386439A (en) * | 2018-03-05 | 2018-08-10 | 王卫国 | A kind of fastened by screw component of never becoming loose |
| CN209231664U (en) * | 2019-01-24 | 2019-08-09 | 深圳市启亮科技有限公司 | A kind of back light source structure being conveniently replaceable lamp bar |
| CN112799252A (en) * | 2021-01-04 | 2021-05-14 | 深圳市科润光电股份有限公司 | LED backlight structure easy to assemble |
-
2021
- 2021-07-08 CN CN202110773647.8A patent/CN113534535B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09315730A (en) * | 1996-05-29 | 1997-12-09 | Hirotsuku Tekunika Kk | Safety device of screw type elevator |
| CN101922496A (en) * | 2009-09-03 | 2010-12-22 | 张元金 | Bolt and bolt connecting structure thereof |
| CN108386439A (en) * | 2018-03-05 | 2018-08-10 | 王卫国 | A kind of fastened by screw component of never becoming loose |
| CN209231664U (en) * | 2019-01-24 | 2019-08-09 | 深圳市启亮科技有限公司 | A kind of back light source structure being conveniently replaceable lamp bar |
| CN112799252A (en) * | 2021-01-04 | 2021-05-14 | 深圳市科润光电股份有限公司 | LED backlight structure easy to assemble |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113534535A (en) | 2021-10-22 |
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