CN104359053A - Backlight module, working method thereof, and display device - Google Patents
Backlight module, working method thereof, and display device Download PDFInfo
- Publication number
- CN104359053A CN104359053A CN201410746982.9A CN201410746982A CN104359053A CN 104359053 A CN104359053 A CN 104359053A CN 201410746982 A CN201410746982 A CN 201410746982A CN 104359053 A CN104359053 A CN 104359053A
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- Prior art keywords
- light source
- reflecting surface
- display floater
- circuit board
- pcb
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention provides a backlight module, a working method thereof, and a display device. The backlight module comprises a reflecting plate, first light sources and second light sources, wherein the reflecting plate comprises a first reflecting face and a second reflecting face; the first light sources are arranged on the first reflecting face; the second light sources are arranged on the second reflecting face; the first reflecting face reflects light emitted by the first light sources onto a first display panel; the second reflecting face reflects light emitted by the second light sources onto a second display panel. According to the backlight module, the working method thereof, and the display device, as the direct type backlight module is adopted for providing the light sources for the two display panels respectively, the structure is simple, and the cost is relatively low.
Description
Technical field
The present invention relates to semiconductor processing technology field, particularly relate to a kind of backlight module and method of work, display unit.
Background technology
Current display with double faces is generally be arranged on a pedestal by two display floaters, adopts the backlight of side entering type, and only uses a drive circuit board to provide control signal to two display floaters simultaneously, thus realizes double-sided display function.But double-side display device of the prior art uses the backlight module of side entering type, and complex structure, cost is higher.
Summary of the invention
For solving the problem, the invention provides a kind of backlight module and method of work, display unit, using the backlight module of side entering type, complex structure, the problem that cost is higher for solving double-side display device in prior art.
For this reason, the invention provides a kind of backlight module, comprise reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface; Described first light source is used for providing light to the first display floater; Described secondary light source is used for providing light to the second display floater; Described first reflecting surface is used for described first light source being emitted to the light reflection of described first reflecting surface to described first display floater; Described second reflecting surface is used for described secondary light source being emitted to the light reflection of described second reflecting surface to described second display floater.
Optionally, also comprise the first diffuser plate and the second diffuser plate, described first diffuser plate is arranged on the light emission side of described first reflecting surface, and described second diffuser plate is arranged on the light emission side of described second reflecting surface; Described first diffuser plate is used for the light that described first light source sends to diffuse to described first display floater; Described second diffuser plate is used for the light that described secondary light source sends to diffuse to described second display floater.
Optionally, described first reflecting surface is provided with multiple first site, described second reflecting surface is provided with multiple second site; Described first site is totally reflected for the light making described first light source and be emitted to described first site; Described second site is totally reflected for the light making described secondary light source and be emitted to described second site.
Optionally, the quantity of described first light source is multiple, and multiple described first light source is connected with the first printed circuit board (PCB), and described first printed circuit board (PCB) to be positioned on described first reflecting surface and to be fixedly connected with described reflecting plate; The quantity of described secondary light source is multiple, and multiple described secondary light source is connected with the second printed circuit board (PCB), and described second printed circuit board (PCB) to be positioned on described second reflecting surface and to be fixedly connected with described reflecting plate; Described first printed circuit board (PCB) is used for providing power supply to described first light source; Described second printed circuit board (PCB) is used for providing power supply to described secondary light source.
Optionally, described first printed circuit board (PCB) is provided with the first through hole, described second printed circuit board (PCB) is provided with the second through hole, described reflecting plate is provided with third through-hole, in described first through hole, the second through hole and third through-hole, be provided with connector; Described connector is used for described first printed circuit board (PCB), the second printed circuit board (PCB) being fixedly connected with reflecting plate by described first through hole, the second through hole and third through-hole.
Optionally, the number of described first printed circuit board (PCB) is multiple, and described first printed circuit board (PCB) is strip circuit board, and multiple described first printed circuit board (PCB) is evenly arranged on described first reflecting surface; The number of described second printed circuit board (PCB) is multiple, and described second printed circuit board (PCB) is strip circuit board, and multiple described second printed circuit board (PCB) is evenly arranged on described second reflecting surface.
Optionally, also comprise the first optical film and the second optical film, described first optical film is arranged on the light emission side of described first diffuser plate, and described second optical film is arranged on the light emission side of described second diffuser plate; Described first optical film is used for being spread by the light that described first light source sends and guiding to described first display floater; Described second optical film is used for being spread by the light that described secondary light source sends and guiding to described second display floater.
The present invention also provides a kind of display unit, comprise the first display floater, the second display floater and above-mentioned arbitrary backlight module, described first display floater is arranged on the light emission side of described first reflecting surface, and described second display floater is arranged on the light emission side of described second reflecting surface.
Optionally, also comprise glue frame and shell, described glue frame surrounds described backlight module, and described shell surrounds described first display floater, the second display floater and backlight module; Described glue frame is used for fixing described backlight module; Described shell is used for fixing described first display floater, the second display floater and backlight module.
Optionally, also comprise the first drive circuit and the second drive circuit, described first drive circuit and described second drive circuit are arranged between described glue frame and described shell; Described first drive circuit is used for loading the first voltage to control the displaying contents of described first display floater to described first display floater; Described second drive circuit is used for loading the second voltage to control the displaying contents of described second display floater to described second display floater.
The present invention also provides a kind of method of work of backlight module, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface; Described method of work comprises: described first light source provides light to the first display floater, and described secondary light source provides light to the second display floater; Described first light source is emitted to the light reflection of described first reflecting surface to described first display floater by described first reflecting surface, and described secondary light source is emitted to the light reflection of described second reflecting surface to described second display floater by described second reflecting surface.
The present invention has following beneficial effect:
In backlight module provided by the invention and method of work thereof, display unit, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface.The light reflection that described first light source sends by described first reflecting surface is to described first display floater, and the light reflection that described secondary light source sends by described second reflecting surface is to described second display floater.The present invention adopts down straight aphototropism mode set to provide light source to two display floaters respectively, and structure is simple, and cost is lower.
Accompanying drawing explanation
The structural representation of a kind of backlight module that Fig. 1 provides for the embodiment of the present invention one;
Fig. 2 is the connection diagram of reflecting plate, the first light source and secondary light source;
Fig. 3 is the structural representation of the first printed circuit board (PCB);
Fig. 4 is the structural representation of the first site;
The flow chart of the method for work of a kind of backlight module that Fig. 5 provides for the embodiment of the present invention three.
Detailed description of the invention
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, backlight module provided by the invention and method of work thereof, display unit are described in detail.
Embodiment one
The structural representation of a kind of backlight module that Fig. 1 provides for the embodiment of the present invention one.As shown in Figure 1, described backlight module comprises reflecting plate 101, first light source 102 and secondary light source 103, described reflecting plate 101 comprises the first reflecting surface and the second reflecting surface, and described first light source 102 is arranged on described first reflecting surface, and described secondary light source 103 is arranged on described second reflecting surface.Described first light source 102 provides light to the first display floater 104, and described secondary light source 103 provides light to the second display floater 105.Described first light source 102 is emitted to the light reflection of described first reflecting surface to described first display floater 104 by described first reflecting surface.Described secondary light source 103 is emitted to the light reflection of described second reflecting surface to described second display floater 105 by described second reflecting surface.Described backlight module provides light source to respectively described first display floater 104 and described second display floater 105, and structure is simple, and cost is lower.
In the present embodiment, described backlight module also comprises the first diffuser plate 106 and the second diffuser plate 107.Described first diffuser plate 106 is arranged on the light emission side of described first reflecting surface, and described second diffuser plate 107 is arranged on the light emission side of described second reflecting surface.Described first diffuser plate 106 diffuses to described first display floater 104 for the light sent by described first light source 102, described second diffuser plate 107 diffuses to described second display floater 105 for the light sent by described secondary light source 103, achieve the conversion from line source to area source, thus improve the uniformity of light.
In the present embodiment, the quantity of described first light source 102 is multiple, and multiple described first light source 102 is connected with the first printed circuit board (PCB) 108, and described first printed circuit board (PCB) 108 to be positioned on described first reflecting surface and to be fixedly connected with described reflecting plate 101.The quantity of described secondary light source 103 is multiple, and multiple described secondary light source 103 is connected with the second printed circuit board (PCB) 109, and described second printed circuit board (PCB) 109 to be positioned on described second reflecting surface and to be fixedly connected with described reflecting plate 101.Described first printed circuit board (PCB) 108 is for providing power supply to described first light source 102, and described second printed circuit board (PCB) 109 is for providing power supply to described secondary light source 103.
See Fig. 2, described first printed circuit board (PCB) 108 is provided with the first through hole, described second printed circuit board (PCB) 109 is provided with the second through hole, described reflecting plate 101 is provided with third through-hole, in described first through hole, the second through hole and third through-hole, be provided with connector.Described first printed circuit board (PCB) 108, second printed circuit board (PCB) 109 is fixedly connected with reflecting plate 101 by described first through hole, the second through hole and third through-hole by described connector.The compact conformation of described backlight module can be made by above-mentioned connected mode, thus improve the quality of display frame.
Optionally, described first light source 102 and described secondary light source 103 are LED, and described connector is connecting pin 201.Preferably, described connecting pin 201 is resilient attachment pins.Described connecting pin 201 comprises straight pin and two umbrella fixed structures, is provided with screw thread in described third through-hole, and described first printed circuit board (PCB) 108, second printed circuit board (PCB) 109 is fixedly connected with reflecting plate 101 by described screw thread by described connecting pin 201.
Fig. 3 is the structural representation of the first printed circuit board (PCB).As shown in Figure 3, the number of described first printed circuit board (PCB) 108 is multiple, described first printed circuit board (PCB) 108 is strip circuit board, multiple described first printed circuit board (PCB) 108 is evenly arranged on described first reflecting surface, described first light source 102 is evenly arranged on described first printed circuit board (PCB) 108, and one of them umbrella fixed structure of described connecting pin 201 is positioned on described first printed circuit board (PCB) 108.Identical with described first printed circuit board (PCB), the number of described second printed circuit board (PCB) is multiple, described second printed circuit board (PCB) is strip circuit board, multiple described second printed circuit board (PCB) is evenly arranged on described second reflecting surface, described secondary light source 103 is evenly arranged on described second printed circuit board (PCB) 109, and another umbrella fixed structure of described connecting pin 201 is positioned on described second printed circuit board (PCB) 109.The light that equally distributed first light source 102 and secondary light source 103 make described first display unit 104 and described second display unit 105 receive is more even, thus improves the quality of display frame.
Fig. 4 is the structural representation of the first site.As shown in Figure 4, described first reflecting surface is provided with multiple first site 202.Optionally, the size of described first site 202 is not identical.Preferably, described first site 202 is arranged on corner and the edge of described reflecting plate 101.Described first site 202 is totally reflected for the light making described first light source 102 and be emitted to described first site 202.Identical with described first site, described second reflecting surface is provided with multiple second site.Optionally, the size of described second site is not identical.Preferably, described second site is arranged on corner and the edge of described reflecting plate 101.Described second site is totally reflected for the light making described secondary light source 103 and be emitted to described second site.Described first site and described second site make light by forming scattered light when described first site and described second site, thus avoid occurring blanking bar or dark angle, the final quality improving display frame.
See Fig. 1, described backlight module also comprises the first optical film 203 and the second optical film 204, described first optical film 203 is arranged on the light emission side of described first diffuser plate 106, and described second optical film 204 is arranged on the light emission side of described second diffuser plate 107.Described first optical film 203 spreads for the light sent by described first light source 102 and guides to described first display floater 104.Described second optical film 204 spreads for the light sent by described secondary light source 103 and guides to described second display floater 105.The light that described first optical film 203 and described second optical film 204 make described first display unit 104 and described second display unit 105 receive is more even, thus improves the quality of display frame.
In the backlight module that the present embodiment provides, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, and described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface.The light reflection that described first light source sends by described first reflecting surface is to described first display floater, and the light reflection that described secondary light source sends by described second reflecting surface is to described second display floater.The present invention adopts down straight aphototropism mode set to provide light source to two display floaters respectively, and structure is simple, and cost is lower.
Embodiment two
The present embodiment provides a kind of display unit, comprises the backlight module that the first display floater, the second display floater and embodiment one provide.See Fig. 1, described first display floater 104 is arranged on the light emission side of described first reflecting surface, and described second display floater 105 is arranged on the light emission side of described second reflecting surface.The backlight module that described display unit adopts above-described embodiment one to provide, particular content can refer to the description in above-described embodiment one, repeats no more herein.
In the present embodiment, described display unit also comprises glue frame 205 and shell 206, and described glue frame 205 surrounds described backlight module, and described shell 206 surrounds described first display floater 104, second display floater 105 and backlight module.Described glue frame 205 is for fixing described backlight module, and described shell 206 is for fixing described first display floater 104, second display floater 107 and backlight module.
In actual applications, in order to carry out independent display to described first display floater 104 and described second display floater 105 respectively, described display unit is also provided with the first drive circuit 207 and the second drive circuit (not shown), and described first drive circuit 207 and described second drive circuit are arranged between described glue frame 205 and described shell 206.Described first drive circuit 207 loads the first voltage to control the displaying contents of described first display floater 104 to described first display floater 104, described second drive circuit is used for loading the second voltage to control the displaying contents of described second display floater 105 to described second display floater 105, thus realizes double-sided display.Described first display floater 104 and described second display floater 105 can independently show, and do not interfere with each other, thus make display convenient, effective.
In the display unit that the present embodiment provides, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, and described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface.The light reflection that described first light source sends by described first reflecting surface is to described first display floater, and the light reflection that described secondary light source sends by described second reflecting surface is to described second display floater.The present invention adopts down straight aphototropism mode set to provide light source to two display floaters respectively, and structure is simple, and cost is lower.
Embodiment three
The present embodiment provides a kind of method of work of backlight module, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface.
The flow chart of the method for work of a kind of backlight module that Fig. 5 provides for the embodiment of the present invention three.As shown in Figure 5, described method of work comprises:
Step 5001, described first light source provide light to the first display floater, and described secondary light source provides light to the second display floater.
Described first light source is emitted to the light reflection of described first reflecting surface to described first display floater by step 5002, described first reflecting surface, and described secondary light source is emitted to the light reflection of described second reflecting surface to described second display floater by described second reflecting surface.
In the method for work of the backlight module that the present embodiment provides, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface.The light reflection that described first light source sends by described first reflecting surface is to described first display floater, and the light reflection that described secondary light source sends by described second reflecting surface is to described second display floater.The present invention adopts down straight aphototropism mode set to provide light source to two display floaters respectively, and structure is simple, and cost is lower.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (11)
1. a backlight module, it is characterized in that, comprise reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface;
Described first light source is used for providing light to the first display floater;
Described secondary light source is used for providing light to the second display floater;
Described first reflecting surface is used for described first light source being emitted to the light reflection of described first reflecting surface to described first display floater;
Described second reflecting surface is used for described secondary light source being emitted to the light reflection of described second reflecting surface to described second display floater.
2. backlight module according to claim 1, is characterized in that, also comprises the first diffuser plate and the second diffuser plate, and described first diffuser plate is arranged on the light emission side of described first reflecting surface, and described second diffuser plate is arranged on the light emission side of described second reflecting surface;
Described first diffuser plate is used for the light that described first light source sends to diffuse to described first display floater;
Described second diffuser plate is used for the light that described secondary light source sends to diffuse to described second display floater.
3. backlight module according to claim 1, is characterized in that, described first reflecting surface is provided with multiple first site, and described second reflecting surface is provided with multiple second site;
Described first site is totally reflected for the light making described first light source and be emitted to described first site;
Described second site is totally reflected for the light making described secondary light source and be emitted to described second site.
4. backlight module according to claim 1, it is characterized in that, the quantity of described first light source is multiple, and multiple described first light source is connected with the first printed circuit board (PCB), and described first printed circuit board (PCB) to be positioned on described first reflecting surface and to be fixedly connected with described reflecting plate;
The quantity of described secondary light source is multiple, and multiple described secondary light source is connected with the second printed circuit board (PCB), and described second printed circuit board (PCB) to be positioned on described second reflecting surface and to be fixedly connected with described reflecting plate;
Described first printed circuit board (PCB) is used for providing power supply to described first light source;
Described second printed circuit board (PCB) is used for providing power supply to described secondary light source.
5. backlight module according to claim 4, it is characterized in that, described first printed circuit board (PCB) is provided with the first through hole, described second printed circuit board (PCB) is provided with the second through hole, described reflecting plate is provided with third through-hole, in described first through hole, the second through hole and third through-hole, is provided with connector;
Described connector is used for described first printed circuit board (PCB), the second printed circuit board (PCB) being fixedly connected with reflecting plate by described first through hole, the second through hole and third through-hole.
6. backlight module according to claim 5, is characterized in that, the number of described first printed circuit board (PCB) is multiple, and described first printed circuit board (PCB) is strip circuit board, and multiple described first printed circuit board (PCB) is evenly arranged on described first reflecting surface;
The number of described second printed circuit board (PCB) is multiple, and described second printed circuit board (PCB) is strip circuit board, and multiple described second printed circuit board (PCB) is evenly arranged on described second reflecting surface.
7. backlight module according to claim 2, it is characterized in that, also comprise the first optical film and the second optical film, described first optical film is arranged on the light emission side of described first diffuser plate, and described second optical film is arranged on the light emission side of described second diffuser plate;
Described first optical film is used for being spread by the light that described first light source sends and guiding to described first display floater;
Described second optical film is used for being spread by the light that described secondary light source sends and guiding to described second display floater.
8. a display unit, it is characterized in that, comprise the arbitrary described backlight module of the first display floater, the second display floater and claim 1-7, described first display floater is arranged on the light emission side of described first reflecting surface, and described second display floater is arranged on the light emission side of described second reflecting surface.
9. display unit according to claim 8, is characterized in that, also comprises glue frame and shell, and described glue frame surrounds described backlight module, and described shell surrounds described first display floater, the second display floater and backlight module;
Described glue frame is used for fixing described backlight module;
Described shell is used for fixing described first display floater, the second display floater and backlight module.
10. display unit according to claim 9, is characterized in that, also comprises the first drive circuit and the second drive circuit, and described first drive circuit and described second drive circuit are arranged between described glue frame and described shell;
Described first drive circuit is used for loading the first voltage to control the displaying contents of described first display floater to described first display floater;
Described second drive circuit is used for loading the second voltage to control the displaying contents of described second display floater to described second display floater.
The method of work of 11. 1 kinds of backlight modules, it is characterized in that, described backlight module comprises reflecting plate, the first light source and secondary light source, described reflecting plate comprises the first reflecting surface and the second reflecting surface, described first light source is arranged on described first reflecting surface, and described secondary light source is arranged on described second reflecting surface;
Described method of work comprises:
Described first light source provides light to the first display floater, and described secondary light source provides light to the second display floater;
Described first light source is emitted to the light reflection of described first reflecting surface to described first display floater by described first reflecting surface, and described secondary light source is emitted to the light reflection of described second reflecting surface to described second display floater by described second reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746982.9A CN104359053A (en) | 2014-12-08 | 2014-12-08 | Backlight module, working method thereof, and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410746982.9A CN104359053A (en) | 2014-12-08 | 2014-12-08 | Backlight module, working method thereof, and display device |
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| CN104359053A true CN104359053A (en) | 2015-02-18 |
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| CN201410746982.9A Pending CN104359053A (en) | 2014-12-08 | 2014-12-08 | Backlight module, working method thereof, and display device |
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| CN106125396A (en) * | 2015-05-08 | 2016-11-16 | 三星电子株式会社 | Display device |
| CN109375424A (en) * | 2018-12-28 | 2019-02-22 | 联想(北京)有限公司 | Electronic equipment and its liquid crystal display |
| CN112150970A (en) * | 2020-09-21 | 2020-12-29 | Oppo广东移动通信有限公司 | Display assembly, preparation method thereof, display module and electronic equipment |
| CN113936546A (en) * | 2021-11-01 | 2022-01-14 | 联想(北京)有限公司 | Backlight module, manufacturing method thereof and electronic equipment |
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| CN103901655A (en) * | 2014-04-25 | 2014-07-02 | 深圳市华星光电技术有限公司 | Hook-face two-sided liquid crystal displayer |
| CN104061495A (en) * | 2014-06-24 | 2014-09-24 | 深圳市华星光电技术有限公司 | Direct-type backlight structure for double-surface display |
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| CN106125396A (en) * | 2015-05-08 | 2016-11-16 | 三星电子株式会社 | Display device |
| CN109375424A (en) * | 2018-12-28 | 2019-02-22 | 联想(北京)有限公司 | Electronic equipment and its liquid crystal display |
| CN109375424B (en) * | 2018-12-28 | 2020-10-27 | 联想(北京)有限公司 | Electronic equipment and liquid crystal display screen thereof |
| CN112150970A (en) * | 2020-09-21 | 2020-12-29 | Oppo广东移动通信有限公司 | Display assembly, preparation method thereof, display module and electronic equipment |
| CN113936546A (en) * | 2021-11-01 | 2022-01-14 | 联想(北京)有限公司 | Backlight module, manufacturing method thereof and electronic equipment |
| CN116609974A (en) * | 2023-05-31 | 2023-08-18 | 重庆惠科金渝光电科技有限公司 | Backlight source assembly, double-sided display module and double-sided display device |
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Application publication date: 20150218 |