CN112684637B - Backlight that spotlight nature is good - Google Patents
Backlight that spotlight nature is good Download PDFInfo
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- CN112684637B CN112684637B CN202110101893.9A CN202110101893A CN112684637B CN 112684637 B CN112684637 B CN 112684637B CN 202110101893 A CN202110101893 A CN 202110101893A CN 112684637 B CN112684637 B CN 112684637B
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- 230000001681 protective effect Effects 0.000 claims abstract description 31
- 239000003292 glue Substances 0.000 claims abstract description 14
- 239000000853 adhesive Substances 0.000 claims abstract description 10
- 230000001070 adhesive effect Effects 0.000 claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 7
- 239000012788 optical film Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 3
- 230000005494 condensation Effects 0.000 abstract description 13
- 238000009833 condensation Methods 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram 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
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a backlight source with good light condensation performance, which comprises a back plate, a glue frame and a panel, wherein the top of the back plate is fixedly connected with the bottom of the glue frame through screws, the top of the glue frame is bonded with the bottom of the panel through an adhesive, a reflecting sheet is arranged on the top of the back plate and positioned on the inner wall of the glue frame, the top of the reflecting sheet is fixedly connected with a protective frame, and a light guide plate and a guide rail are respectively and fixedly connected to the two sides of the top of the reflecting sheet and positioned on the inner wall of the protective frame through supporting blocks. This backlight that spotlight nature is good, protective frame 5 can carry out fine spotlight effect to the light guide plate with the light gathering, has certain guard action, and can be according to the heat automatically regulated light source that the light source produced and the distance between the light guide plate, can furthest reduce the distance between light source and the light guide plate like this, has improved the luminance and the spotlight nature of light guide plate, greatly increased holistic spotlight nature and luminance.
Description
Technical Field
The invention relates to the technical field of backlight sources, in particular to a backlight source with good light condensation performance.
Background
The most core technology in the backlight module is the optical technology of the light guide plate, which mainly has two light guide plate forms of printing and injection molding, and other light guide plates such as injection molding and printing, laser dotting, corrosion and the like account for a small proportion and are not suitable for the principle of batch production. The printing type is a mainstream technology in the past for a long time because of low cost, but the qualified product is not high all the time and is a main defect, the LCD product requires a more precise light guide plate structure, the injection molding type light guide plate inevitably becomes the mainstream of backlight development, the existing backlight is widely used and is very mature, the light condensation performance of the backlight affects the brightness of the backlight, but the existing backlight has some problems in light condensation performance.
The existing backlight source has the advantages that the reflector plate of the existing backlight source is just arranged at the bottom of the light guide plate, so that the light guide plate can be diffused all around when in use, the whole light condensation performance is not good, the distance between the light source and the light guide plate can not be automatically adjusted according to the heat generated by the light source, the distance between the existing light guide plate and the light source is certain, the brightness and the light condensation performance of the light guide plate are reduced, the whole light condensation performance and the brightness are greatly reduced, and the energy waste is increased to a certain extent.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the backlight source with good light condensation performance, and solves the problem that the overall light condensation performance and brightness of the backlight source are not good.
In order to achieve the purpose, the invention is realized by the following technical scheme: a backlight source with good light gathering performance comprises a back plate, a glue frame and a panel, wherein the top of the back plate is fixedly connected with the bottom of the glue frame through screws, the top of the glue frame is bonded with the bottom of the panel through an adhesive, a reflector plate is arranged on the top of the back plate and positioned on the inner wall of the glue frame, a protective frame is fixedly connected to the top of the reflector plate, light guide plates and guide rails are respectively and fixedly connected to the two sides of the top of the reflector plate and positioned on the inner wall of the protective frame through supporting blocks, a driving box is fixedly connected to one side of the protective frame, a hydraulic oil cylinder is fixedly connected to one side of the inner cavity of the driving box, the telescopic end of the hydraulic oil cylinder sequentially penetrates through the driving box and the protective frame and extends to the inner wall of the protective frame, a U-shaped light reflection plate is fixedly connected to one end of the telescopic end of the hydraulic oil cylinder extending to the inner wall of the protective frame, and the top and the bottom of the inner wall of the U-shaped light reflection plate are respectively connected with the top and the bottom of one side of the light guide plates in a sliding manner, the LED lamp comprises a U-shaped lamp light reflection plate, a temperature sensor, a sliding block, a heat conduction pipe and a guide rail, wherein the light source is fixedly connected to one side of the inner wall of the U-shaped lamp light reflection plate, the temperature sensor is fixedly connected to one side, close to the light source, of the light guide plate, the sliding block is fixedly connected to the bottom of the U-shaped lamp light reflection plate, the bottom of the sliding block is slidably connected with the inner wall of the guide rail, the heat conduction pipe is fixedly connected to the bottom of the guide rail, the bottom end of the heat conduction pipe penetrates through a reflector plate and extends to the bottom of the reflector plate, and one end, extending to the bottom of the reflector plate, of the heat conduction pipe is in contact with the top of a back plate.
Preferably, the front surface and the back surface of the reflector plate are both fixedly connected with mounting blocks, and the tops of the mounting blocks are fixedly connected with the top of the back plate through screws.
Preferably, the reflector plate is internally provided with a rectangular groove matched with the heat conduction pipe.
Preferably, the bottom of the panel is bonded with a gasket by an adhesive, and the bottom of the gasket is in contact with the top of the glue frame.
Preferably, the top of the light guide plate is bonded with an optical film by an adhesive.
Preferably, the top of the driving box is fixedly connected with a box cover through a screw.
Preferably, the number of the heat conduction pipes is at least six, and two adjacent heat conduction pipes are arranged at equal intervals.
Preferably, the inside of drive case is seted up and is cooperated the opening that uses with hydraulic cylinder.
Preferably, one side of the inner wall of the rubber frame is fixedly connected with an electric box, the top of the inner cavity of the electric box is fixedly connected with a microprocessor, and the two sides of the bottom of the inner cavity of the electric box are respectively fixedly connected with a data comparator and a power module.
Preferably, the output end of the temperature sensor is connected with the input end of the data comparator, the output end of the data comparator is connected with the input end of the feedback module, the output end of the feedback module is connected with the input end of the microprocessor, the output end of the microprocessor is respectively connected with the input end of the data comparator and the input end of the hydraulic oil cylinder, and the output end of the power supply module is electrically connected with the input end of the temperature sensor.
The invention provides a backlight source with good light condensation performance. Compared with the prior art, the method has the following beneficial effects:
(1) the backlight source with good light condensation property sequentially penetrates through the driving box and the protective frame through the telescopic end of the hydraulic oil cylinder and extends to the inner wall of the protective frame, one end of the telescopic end of the hydraulic oil cylinder, which extends to the inner wall of the protective frame, is fixedly connected with a U-shaped light reflecting plate, the top and the bottom of the inner wall of the U-shaped light reflecting plate are respectively connected with the top and the bottom of one side of the light guide plate in a sliding way, one side of the inner wall of the U-shaped light reflecting plate is fixedly connected with a light source, a temperature sensor is fixedly connected between one side of the light guide plate and one side of the light source on the inner wall of the U-shaped light reflecting plate, the protective frame 5 can condense light, has a certain protection effect, can well condense the light on the light guide plate, can automatically adjust the distance between the light source and the light guide plate according to the heat generated by the light source, and can furthest reduce the distance between the light source and the light guide plate, the brightness and the light-gathering property of the light guide plate are improved, the integral light-gathering property and the brightness are greatly increased, and the waste of energy is reduced to a certain extent; the temperature can be monitored according to the requirements of working conditions, the distance between the light source and the light guide plate is adjusted timely according to the change of the temperature, and the light condensation performance of the light source is ensured to be in the comprehensive optimal state.
(2) This backlight that spotlight nature is good, bottom fixedly connected with slider through U type lamp reflector panel to the bottom of slider and the inner wall sliding connection of guide rail, the bottom fixedly connected with heat pipe of guide rail, the reflector plate is run through and extends to the bottom of reflector plate in the bottom of heat pipe, and the heat pipe extends to the one end of reflector plate bottom and the top contact of backplate, can give off on light source spare heat conduction to the backplate, overall structure is simple, and is with low costs.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is an exploded view of the back plate, bezel and panel structure of the present invention;
FIG. 3 is an exploded view of a reflector plate and a light guide plate structure according to the present invention;
FIG. 4 is a cross-sectional view of the drive case structure of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3 according to the present invention;
FIG. 6 is an exploded view of the guide rail and the U-shaped light reflecting plate structure of the present invention;
FIG. 7 is a cross-sectional view of the electrical box structure of the present invention;
FIG. 8 is a schematic block diagram of the architecture of the system of the present invention
In the figure: the device comprises a back plate 1, a glue frame 2, a panel 3, a reflector 4, a protective frame 5, a supporting block 6, a light guide plate 7, a guide rail 8, a driving box 9, a hydraulic oil cylinder 10, a light reflector 11-U-shaped, a light source 12, a temperature sensor 13, a sliding block 14, a heat conducting pipe 15, a mounting block 16, a rectangular groove 17, a sealing gasket 18, an optical diaphragm 19, an electric box 20, a microprocessor 21, a data comparator 22, a power module 23 and a feedback module 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a backlight source with good light condensation performance comprises a back plate 1, a rubber frame 2 and a panel 3, wherein the top of the back plate 1 is fixedly connected with the bottom of the rubber frame 2 through screws, the top of the rubber frame 2 is bonded with the bottom of the panel 3 through an adhesive, a reflector plate 4 is arranged on the top of the back plate 1 and positioned on the inner wall of the rubber frame 2, a protective frame 5 is fixedly connected with the top of the reflector plate 4, light guide plates 7 and guide rails 8 are respectively and fixedly connected on two sides of the top of the reflector plate 4 and positioned on the inner wall of the protective frame 5 through supporting blocks 6, a light source 12 is electrified to emit light through the light guide plates 7, downward light of the light guide plates 7 can be reflected under the matching action of the reflector plate 4 and the protective frame 5, the protective frame 5 can collect light and has a certain protection effect, a driving box 9 is fixedly connected on one side of the protective frame 5, and a hydraulic oil cylinder 10 is fixedly connected on one side of the inner cavity of the driving box 9, the telescopic end of the hydraulic oil cylinder 10 penetrates through the driving box 9 and the protective frame 5 in sequence and extends to the inner wall of the protective frame 5, one end of the telescopic end of the hydraulic oil cylinder 10 extending to the inner wall of the protective frame 5 is fixedly connected with a U-shaped light reflection plate 11, the top and the bottom of the inner wall of the U-shaped light reflection plate 11 are respectively connected with the top and the bottom of one side of the light guide plate 7 in a sliding way, one side of the inner wall of the U-shaped light reflection plate 11 is fixedly connected with a light source 12, the distance between the existing light source 12 and the light guide plate 7 is arranged to be far, because the light source 12 can generate certain heat during working, a user can program the microprocessor 21 in advance to set the maximum temperature between the light source 12 and the light guide plate 7 and then arrange the light source 12 at a position which is far away from the light guide plate 7, so that the integral brightness of the light guide plate 7 can be increased, the integral light focusing performance is further improved, and one side of the light guide plate 7, which is close to the light source 12, is fixedly connected with a temperature sensor 13, the bottom of the U-shaped lamp light reflection plate 11 is fixedly connected with a sliding block 14, the bottom of the sliding block 14 is connected with the inner wall of the guide rail 8 in a sliding manner, the bottom of the guide rail 8 is fixedly connected with a heat conduction pipe 15, the bottom end of the heat conduction pipe 15 penetrates through the reflector 4 and extends to the bottom of the reflector 4, one end of the heat conduction pipe 15 extending to the bottom of the reflector 4 is contacted with the top of the back plate 1, temperature information around the light source 12 can be detected by a temperature sensor 13 and then transmitted to a microprocessor 21, the detected data and the preset temperature of the microprocessor 21 are compared by a data comparator 22, feedback is carried out by a feedback module 24 after comparison, when the detected temperature is higher than the set temperature, the microprocessor 21 controls the hydraulic oil cylinder 10 to be started, the hydraulic oil cylinder 10 drives the U-shaped lamp light reflection plate 11 to move on the light guide plate 7 after being started, so, damage to the light guide plate 7 due to excessive temperature is prevented, and details not described in detail in this specification are well known to those skilled in the art.
In the invention, the maximum value and the minimum value of the distance between the light source 12 and the light guide plate 7 are limited through the telescopic stroke of the telescopic end of the hydraulic oil cylinder 10; in the working state, the distance between the two is at the position with the best light-gathering property, and in the working process, the working state of the backlight source is monitored in real time through the microprocessor 21, the data comparator 22, the feedback module 24 and the like, and the distance between the light source 12 and the light guide plate 7 is adjusted according to the temperature, so that the light-gathering property of the backlight source is always in the best state under different working states and temperatures.
In the present invention, the data comparator 22 may preferably pre-store optimal corresponding relationship data of different temperatures and distance values.
In the invention, the front and the back of the reflector plate 4 are both fixedly connected with the mounting blocks 16, and the tops of the mounting blocks 16 are fixedly connected with the top of the back plate 1 through screws.
In the present invention, rectangular grooves 17 are formed in the reflector 4 to match with the heat transfer tubes 15, and the number of the rectangular grooves 17 is equal to the number of the heat transfer tubes 15.
In the present invention, the bottom of the panel 3 is bonded with the sealing gasket 18 through the adhesive, the sealing gasket 18 can ensure the sealing performance between the panel 3 and the glue frame 2, and the bottom of the sealing gasket 18 is in contact with the top of the glue frame 2.
In the present invention, an optical film 19 is bonded to the top of the light guide plate 7 with an adhesive.
In the present invention, a cover is fixedly attached to the top of the driving box 9 by screws, and a user can open the cover and then perform maintenance on the components inside the driving box 9.
In the present invention, the number of the heat conduction pipes 15 is at least six, and two adjacent heat conduction pipes 15 are arranged at equal intervals.
In the invention, an opening matched with the hydraulic oil cylinder 10 is arranged in the driving box 9.
In the invention, one side of the inner wall of the rubber frame 2 is fixedly connected with an electric box 20, the top of the inner cavity of the electric box 20 is fixedly connected with a microprocessor 21, the model of the microprocessor 21 is ARM9, two sides of the bottom of the inner cavity of the electric box 20 are respectively and fixedly connected with a data comparator 22 and a power module 23, and the power module 23 can supply power to the temperature sensor 13.
In the invention, the output end of the temperature sensor 13 is connected with the input end of the data comparator 22, the model of the temperature sensor 13 is DS18B20, the output end of the data comparator 22 is connected with the input end of the feedback module 24, the output end of the feedback module 24 is connected with the input end of the microprocessor 21, the output end of the microprocessor 21 is respectively connected with the input end of the data comparator 22 and the input end of the hydraulic oil cylinder 10, and the output end of the power supply module 23 is electrically connected with the input end of the temperature sensor 13.
When the temperature sensor is used, the light source 12 is electrified to emit light through the light guide plate 7, the reflector plate 4 and the protective frame 5 are matched to reflect downward light of the light guide plate 7, the protective frame 5 can collect the light and has a certain protective effect, the distance between the existing light source 12 and the light guide plate 7 is set to be long, because the light source 12 can generate certain heat during working, a user can program the microprocessor 21 in advance to set the maximum temperature between the light source 12 and the light guide plate 7 and then set the light source 12 at a position where the light guide plate 7 is compared, so that the overall brightness of the light guide plate 7 can be increased, the overall light collection performance is further improved, the temperature sensor 13 can detect temperature information around the light source 12 during use and further transmit the temperature information to the microprocessor 21, and the detected data and the temperature preset by the microprocessor 21 are compared through the data comparator 22, carry out the feedback through feedback module 24 after the contrast, when the temperature that detects is greater than the temperature of setting, at this moment microprocessor 21 can control hydraulic cylinder 10 and start, hydraulic cylinder 10 can drive U type lamp reflector panel 11 after starting and move on light guide plate 7, just so can adjust the distance between light source 12 and the light guide plate 7, prevent the damage that the light guide plate 7 high temperature leads to, and the heat that light source 12 during operation produced can pass through U type lamp reflector panel 11 and slider 14 and transmit for guide rail 8, and then transmit for backplate 1 through heat pipe 15, also can carry out quick giving off to the heat like this.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a backlight that spotlight nature is good, includes backplate (1), glues frame (2) and panel (3), through screw fixed connection between the top of backplate (1) and the bottom of gluing frame (2), the top of gluing frame (2) and the bottom of panel (3) pass through adhesive bonding, its characterized in that: the reflecting sheet (4) is arranged on the top of the back plate (1) and positioned on the inner wall of the rubber frame (2), the top of the reflecting sheet (4) is fixedly connected with a protective frame (5), the two sides of the top of the reflecting sheet (4) and positioned on the inner wall of the protective frame (5) are respectively and fixedly connected with a light guide plate (7) and a guide rail (8) through supporting blocks (6), one side of the protective frame (5) is fixedly connected with a driving box (9), one side of the inner cavity of the driving box (9) is fixedly connected with a hydraulic oil cylinder (10), the telescopic end of the hydraulic oil cylinder (10) sequentially penetrates through the driving box (9) and the protective frame (5) and extends to the inner wall of the protective frame (5), the telescopic end of the hydraulic oil cylinder (10) extends to one end of the inner wall of the protective frame (5) is fixedly connected with a U-shaped light reflecting plate (11), and the top and the bottom of the inner wall of the U-shaped light reflecting plate (11) are respectively and slidably connected with the top and the bottom of one side of the light guide plate (7), one side fixedly connected with light source (12) of U type lamp reflector (11) inner wall, one side fixedly connected with temperature sensor (13) that light guide plate (7) is close to light source (12), the bottom fixedly connected with slider (14) of U type lamp reflector (11) to the bottom of slider (14) and the inner wall sliding connection of guide rail (8), the bottom fixedly connected with heat pipe (15) of guide rail (8), reflector plate (4) and the bottom that extends to reflector plate (4) are run through to the bottom of heat pipe (15) to one end that heat pipe (15) extend to reflector plate (4) bottom contacts with the top of backplate (1).
2. The backlight of claim 1, wherein: the front and the back of the reflector plate (4) are fixedly connected with mounting blocks (16), and the tops of the mounting blocks (16) are fixedly connected with the top of the back plate (1) through screws.
3. The backlight of claim 1, wherein: the interior of the reflector plate (4) is provided with a rectangular groove (17) matched with the heat conduction pipe (15) for use.
4. The backlight of claim 1, wherein: the bottom of the panel (3) is bonded with a sealing gasket (18) through an adhesive, and the bottom of the sealing gasket (18) is contacted with the top of the adhesive frame (2).
5. The backlight of claim 1, wherein: the top of the light guide plate (7) is bonded with an optical film (19) through an adhesive.
6. The backlight of claim 1, wherein: the top of the driving box (9) is fixedly connected with a box cover through a screw.
7. The backlight of claim 1, wherein: the number of the heat conduction pipes (15) is at least six, and the two adjacent heat conduction pipes (15) are arranged at equal intervals.
8. The backlight of claim 1, wherein: an opening matched with the hydraulic oil cylinder (10) for use is formed in the driving box (9).
9. The backlight of claim 1, wherein: glue one side fixedly connected with electronic box (20) of frame (2) inner wall to the top fixedly connected with microprocessor (21) of electronic box (20) inner chamber, the both sides of electronic box (20) inner chamber bottom fixedly connected with data comparator (22) and power module (23) respectively.
10. A backlight as claimed in claim 9, wherein: the output end of the temperature sensor (13) is connected with the input end of the data comparator (22), the output end of the data comparator (22) is connected with the input end of the feedback module (24), the output end of the feedback module (24) is connected with the input end of the microprocessor (21), the output end of the microprocessor (21) is respectively connected with the input end of the data comparator (22) and the input end of the hydraulic oil cylinder (10), and the output end of the power supply module (23) is electrically connected with the input end of the temperature sensor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101893.9A CN112684637B (en) | 2021-01-25 | 2021-01-25 | Backlight that spotlight nature is good |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110101893.9A CN112684637B (en) | 2021-01-25 | 2021-01-25 | Backlight that spotlight nature is good |
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| Publication Number | Publication Date |
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| CN112684637A CN112684637A (en) | 2021-04-20 |
| CN112684637B true CN112684637B (en) | 2021-08-20 |
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| CN202110101893.9A Active CN112684637B (en) | 2021-01-25 | 2021-01-25 | Backlight that spotlight nature is good |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113641043B (en) * | 2021-08-18 | 2024-02-13 | 安徽赛时达显示科技有限公司 | A MINILED backlight module driving display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307894A (en) * | 2008-05-29 | 2008-11-19 | 京东方科技集团股份有限公司 | Edge-lit LED backlight |
| CN101956940A (en) * | 2010-10-12 | 2011-01-26 | 友达光电股份有限公司 | Backlight module |
| CN203442605U (en) * | 2013-08-27 | 2014-02-19 | 合肥京东方光电科技有限公司 | Backlight source and display device |
| CN208737154U (en) * | 2018-09-25 | 2019-04-12 | 深圳市倍能达光电科技有限公司 | A kind of novel side-light LED backlight |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110013387A1 (en) * | 2008-03-19 | 2011-01-20 | I2Ic Corporation | Directional Linear Light Source |
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- 2021-01-25 CN CN202110101893.9A patent/CN112684637B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307894A (en) * | 2008-05-29 | 2008-11-19 | 京东方科技集团股份有限公司 | Edge-lit LED backlight |
| CN101956940A (en) * | 2010-10-12 | 2011-01-26 | 友达光电股份有限公司 | Backlight module |
| CN203442605U (en) * | 2013-08-27 | 2014-02-19 | 合肥京东方光电科技有限公司 | Backlight source and display device |
| CN208737154U (en) * | 2018-09-25 | 2019-04-12 | 深圳市倍能达光电科技有限公司 | A kind of novel side-light LED backlight |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Feng Inventor after: Tang Liang Inventor after: Wang Lianlong Inventor before: Tang Liang Inventor before: Wang Lianlong |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |