CN108397701A - A kind of backlight module and display equipment - Google Patents
A kind of backlight module and display equipment Download PDFInfo
- Publication number
- CN108397701A CN108397701A CN201810175847.1A CN201810175847A CN108397701A CN 108397701 A CN108397701 A CN 108397701A CN 201810175847 A CN201810175847 A CN 201810175847A CN 108397701 A CN108397701 A CN 108397701A
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- Prior art keywords
- light
- guide plate
- light guide
- backlight module
- bar
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052782 aluminium Inorganic materials 0.000 claims description 38
- 230000017525 heat dissipation Effects 0.000 claims description 31
- 238000005452 bending Methods 0.000 claims description 11
- 239000003292 glue Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009537 plain noodles Nutrition 0.000 description 1
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
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
- F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
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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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
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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
-
- 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
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of backlight module and display equipment.Backlight module includes the first light guide plate, the first lamp bar, the second light guide plate and the second lamp bar, and the side of the first light guide plate is the first incidence surface；First lamp bar is provided with multiple LED light, and the first lamp bar is located at the side of the first light guide plate and is oppositely arranged with the first incidence surface；Second light guide plate is stacked on the first light guide plate, and the side of the second light guide plate is the second incidence surface, and the second incidence surface is vertical with the first incidence surface；Second lamp bar is provided with multiple LED light, and the second lamp bar is located at the side of the second light guide plate and is oppositely arranged with the second incidence surface.In the backlight module, light modulation region on first light guide plate and the second light guide plate is vertical, so that the backlight module has the light modulation region that transverse and longitudinal is interlocked, increase the quantity in backlight module light modulation region, and the backlight module is side entrance back module, and the lightening and multizone light modulation of backlight module may be implemented.
Description
Technical Field
The invention relates to the technical field of display equipment, in particular to a backlight module and display equipment.
Background
A display device is a device that can output images or tactile information, and includes a television, a display, an advertisement machine, and the like. The display module generally comprises a backlight module and a display panel, wherein the backlight module comprises a module back plate, a light guide plate, an optical diaphragm, an LED lamp strip and the like, the light guide plate, the optical diaphragm and the display panel are sequentially stacked on the back plate, the front surface of the light guide plate is a light emitting surface, linear light emitted by the LED lamp strip forms a surface light source on the light emitting surface of the light guide plate after being totally reflected inside the light guide plate, and the uniform surface light source is formed by the optical diaphragm and projected on the display panel to achieve the purpose of displaying.
With the development of the industry, the requirements of the display function and the quality of the display device tend to be diversified, and in order to improve the display quality, the backlight module not only provides a uniform surface light source, but also needs to further improve the control of regional dimming, and divides more dimming regions as much as possible to improve the quality of the display picture.
The existing backlight module can be divided into a side-in type backlight module and a direct type backlight module according to the arrangement of the light incident surface. In the direct type backlight module, the back surface of the diffusion plate is a light incidence surface, the LED lamp strips are arranged below the diffusion plate, the light incidence surface is large, the backlight module needs to be provided with a plurality of LED lamp strips so as to improve the brightness of the backlight module, the LED lamps on the LED lamp strips divide the diffusion plate into a plurality of dimming areas, and each dimming area corresponds to one LED lamp, so that the backlight module can realize area dimming conveniently. Although the direct type backlight module can divide the diffusion plate into more dimming areas, interference exists between each dimming area, the dimming effect is poor, the LED lamp strips are arranged below the diffusion plate, a certain distance exists between the LED lamp strips and the diffusion plate, so that the LED lamp strips are mixed, the thickness of the backlight module is thick, and the light and thin of the backlight module is not facilitated.
In the side-in type backlight module, the side surface of the light guide plate is a light incident surface, the LED light bar is disposed on the side portion of the light guide plate, and the side-in type backlight module can be divided into a single long-side light incident surface shown in fig. 1 and a double short-side light incident surface shown in fig. 2. In fig. 1, the light bar 2 'is disposed opposite to the longer side wall of the light guide plate 1', and the LED lamps 41 'on the light bar 2' divide the light guide plate 1 'into a plurality of dimming regions along the longitudinal direction, wherein the number of the dimming regions corresponds to the number of the LED lamps 41'; in fig. 2, the light bars 2 'are disposed on both shorter sides of the light guide plate 1', the light bars 2 'on both sides are symmetrically disposed and divide the light guide plate 1' into a plurality of dimming regions along the transverse direction, and the number of the dimming regions corresponds to the number of the LED lamps 41 'on the single-sided light bar 2'. In the side-in type backlight module, no matter light enters from a single long side or light enters from double short sides, the number of the divided dimming areas is small, each dimming area is large, and the dimming effect is poor.
Disclosure of Invention
One objective of the present invention is to provide a backlight module having more dimming regions and a good dimming effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a backlight module includes:
a first light guide plate, the side surface of which is a first light incident surface;
the first light bar is arranged on the side part of the first light guide plate and opposite to the first light incident surface;
the second light guide plate is stacked on the first light guide plate, the side surface of the second light guide plate is a second light incident surface, and the second light incident surface is vertical to the first light incident surface; and
and the second light bar is arranged on the side part of the second light guide plate and is opposite to the second light incident surface.
The center of the LED lamp on the first lamp bar is aligned with the center line of the first light guide plate in the thickness direction; the center of the LED lamp on the second lamp strip is aligned with the center line of the second light guide plate in the thickness direction.
The length of a light emitting area of the first light bar along the thickness direction of the first light guide plate is not more than the thickness of the first light guide plate; the length of the light emitting area of the second light bar along the thickness direction of the second light guide plate is not greater than the thickness of the second light guide plate.
Wherein, backlight unit still includes:
the edge of the back plate is bent upwards to form a bent edge, the bent edge comprises a first bent edge and a second bent edge, the first bent edge is opposite to the first light incoming surface, the second bent edge is opposite to the second light incoming surface, the first light guide plate and the second light guide plate are sequentially stacked on the front surface of the back plate, the first light bar is connected with the inner surface of the first bent edge, and the second light bar is connected with the inner surface of the second bent edge.
Wherein, backlight unit still includes:
the first heat dissipation aluminum strip is connected to the inner surface of the first bending edge, and the first light bar is arranged on the first heat dissipation aluminum strip;
and the second heat dissipation aluminum strip is connected to the inner surface of the second bending edge, and the second light bar is arranged on the second heat dissipation aluminum strip.
The first heat dissipation aluminum strip and the second heat dissipation aluminum strip are both fixed with the back plate through threaded connection.
The first light bar is fixed with the first heat dissipation aluminum bar through heat conduction glue; the second light bar is fixed with the second heat dissipation aluminum bar through heat conduction glue.
Wherein,
the first heat dissipation aluminum strip includes:
the first side wall is fixed with the inner surface of the first bending edge; and
the first abutting part is vertically connected with the first side wall and is respectively abutted against the back surface of the first light guide plate and the front surface of the back plate;
the second heat dissipation aluminum strip includes:
the second side wall is fixed with the inner surface of the second bending edge; and
and the second abutting part is vertically connected with the second side wall and is respectively abutted against the back surface of the first light guide plate and the front surface of the back plate.
Wherein, backlight unit still includes:
and the reflecting sheet is arranged between the back plate and the first light guide plate.
Another object of the present invention is to provide a display device with good dimming effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
a display device comprises the backlight module.
Has the advantages that: the invention provides a backlight module and display equipment. The backlight module comprises a first light guide plate, a first light bar, a second light guide plate and a second light bar, wherein the side surface of the first light guide plate is a first light incident surface; the first light bar is provided with a plurality of LED lamps, and the first light bar is positioned on the side part of the first light guide plate and is opposite to the first light incident surface; a second light guide plate is stacked on the first light guide plate, the side surface of the second light guide plate is a second light incident surface, and the second light incident surface is vertical to the first light incident surface; the second light bar is provided with a plurality of LED lamps, and the second light bar is located the lateral part of second light guide plate and with the second income plain noodles sets up relatively. In the backlight module, the first light guide plate can realize division of a plurality of dimming areas through the first light bar, the second light guide plate can realize division of a plurality of dimming areas through the second light bar, and the dimming areas on the first light guide plate and the second light guide plate are perpendicular, so that the backlight module has the dimming areas which are staggered horizontally and longitudinally, the number of the dimming areas of the backlight module is increased, and the backlight module is a side-in type backlight module, and lightness and thinness and multi-area dimming of the backlight module can be realized.
Drawings
FIG. 1 is a schematic diagram of a dimming area division of a backlight module in the prior art;
FIG. 2 is a schematic diagram of another dimming area division of a backlight module in the prior art;
FIG. 3 is a schematic structural diagram of a backlight module according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a front view of the back plate, the first heat dissipating aluminum strips and the second heat dissipating aluminum strips provided by the present invention;
fig. 6 is a schematic structural diagram of a back plate, a first heat dissipation aluminum strip and a second heat dissipation aluminum strip provided by the present invention;
FIG. 7 is a first cross-sectional view of a backlight module according to the present invention;
FIG. 8 is a cross-sectional view of a second embodiment of the backlight module of the present invention;
fig. 9 is a schematic diagram of the light-adjusting area division of the backlight module provided by the invention.
Wherein:
1. a first light guide plate; 2. a first light bar; 3. a second light guide plate; 4. a second light bar; 41. an LED lamp; 5. a back plate; 51. bending the edges; 6. a first heat dissipating aluminum strip; 61. a first side wall; 62. a first abutting portion; 7. a second heat dissipating aluminum strip; 71. a second side wall; 72. a second abutting portion; 8. a reflective sheet;
1', a light guide plate; 2', a lamp strip; 41' and an LED lamp.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
The embodiment provides a backlight module, as shown in fig. 3 and 4, the backlight module includes a back plate 5, a first light guide plate 1, a first light bar 2, a second light guide plate 3 and a second light bar 4, the first light guide plate 1 and the second light guide plate 3 are sequentially stacked on the back plate 5, a side surface of the first light guide plate 1 is a first light incident surface, a plurality of LED lamps 41 are arranged on the first light bar 2, and the first light bar 2 is located at a side portion of the first light guide plate 1 and is opposite to the first light incident surface; the side surface of the second light guide plate 3 is a second light incident surface, the first light incident surface is perpendicular to the second light incident surface, the second light bar 4 is provided with a plurality of LED lamps 41, and the second light bar 4 is located on the side portion of the second light guide plate 3 and is arranged opposite to the second light incident surface.
In this embodiment, a side surface below (below in fig. 4) the first light guide plate 1 is taken as a first light incident surface, and a left side surface (left side in fig. 4) of the second light guide plate 3 is taken as a second light incident surface. The first light bar 2 is arranged opposite to the first light incident surface to control the brightness of the first light guide plate 1, the second light bar 4 is arranged opposite to the second light incident surface to control the brightness of the second light guide plate 3, so that the light modulation region division condition of the backlight module is shown in fig. 9, the first light guide plate 1 is divided into a plurality of vertically distributed strip-shaped longitudinal light modulation regions by the LED lamp 41 on the first light bar 2, the second light guide plate 3 is divided into a plurality of horizontally distributed strip-shaped transverse light modulation regions by the LED lamp 41 on the second light bar 4, because the first light guide plate 1 and the second light guide plate 3 are stacked, the final light modulation effect of the backlight module is the effect after the first light guide plate 1 and the second light guide plate 3 are stacked, namely, the light modulation regions divided by the whole backlight module are distributed in a matrix, the number of the LED lamps 41 on the second light bar 4 and the number of the LED lamps 41 on the first light bar 2 are respectively arranged, compared with a side-in type backlight module in the prior art, the number of dimming areas of the backlight module is increased, and the dimming effect is improved.
In order to enable the light of the LED lamp to enter the light guide plate and form a surface light source, the center of the LED lamp 41 on the first light bar 2 is aligned with the center line of the first light guide plate 1 in the thickness direction; the centers of the LED lamps 41 on the second light bar 4 are aligned with the center line of the second light guide plate 3 in the thickness direction. In order to prevent the light of the first light bar 4 from entering the second light guide plate 3 or the light of the second light bar 4 from entering the first light guide plate 1 and prevent the first light guide plate 1 and the second light guide plate 3 from interfering with each other to influence the dimming effect, the length of the light-emitting area of the first light bar 2 along the thickness direction of the first light guide plate 1 is not more than the thickness of the first light guide plate 1; the length of the light emitting area of the second light bar 4 along the thickness direction of the first light guide plate 1 is not greater than the thickness of the second light guide plate 3, so that it is ensured that light emitted by the first light bar 2 can only enter the first light guide plate 1, and light emitted by the second light bar 4 can only enter the second light guide plate 2, so that the dimming effect is ensured.
As shown in fig. 4, the edge of the back plate 5 can be bent upwards to form a bent edge 51, the bent edge 51 includes a first bent edge opposite to the first light incident surface and a second bent edge opposite to the second light incident surface, the first light guide plate 1 and the second light guide plate 3 are sequentially stacked on the front surface of the back plate 5, the first light bar 2 is connected to the inner surface of the first bent edge, and the second light bar 4 is connected to the inner surface of the second bent edge.
As shown in fig. 5 and 6, the first light bar 2 and the second light bar 4 generate heat during the operation process, which causes the local temperature of the backlight module to be too high, and affects the normal operation of the backlight module. In order to improve the heat dissipation performance of the backlight module, as shown in fig. 5 and 6, the backlight module in this embodiment is further provided with a first heat dissipation aluminum strip 6 and a second heat dissipation aluminum strip 7, the first heat dissipation aluminum strip 6 may be fixed on the inner surface of the first bending edge in a threaded connection manner, and the first light bar 2 may be fixed on the first heat dissipation aluminum strip 6 by a heat conductive adhesive; the second heat dissipation aluminum strip 7 can be fixed on the inner surface of the second bending edge in a threaded connection mode, and the second light bar 4 can be fixed on the second heat dissipation aluminum strip 7 through heat conducting glue. When the backlight module works, heat generated by the first light bar 2 is transmitted to the back plate through the first heat dissipation aluminum strip 6 and then transmitted out of the backlight module, heat generated by the second light bar 4 is transmitted to the back plate through the second heat dissipation aluminum strip 7 and then transmitted out of the backlight module, and therefore the temperature of the backlight module is controlled.
Specifically, as shown in fig. 7 and 8, the first heat dissipation aluminum strip 6 includes a first sidewall 61 and a first abutting portion 62, the first abutting portion 62 is perpendicularly connected to the first sidewall 61, the first sidewall 61 is fixed to the inner surface of the first bending edge, and the first abutting portion 62 abuts against the back surface of the first light guide plate 1 and the front surface of the back plate 5, so that on one hand, the strength of the back plate 1 can be improved, on the other hand, the contact area between the heat dissipation aluminum strip and the back plate 1 can be increased, and the heat dissipation efficiency can be improved.
The structure of the second heat dissipation aluminum strip 7 is similar to that of the first heat dissipation aluminum strip 6, and includes a second sidewall 71 and a second abutting portion 72, the second abutting portion 72 is perpendicularly connected to the second sidewall 71, the second sidewall 71 is fixed to the inner surface of the second bending edge, and the second abutting portion 72 abuts against the back surface of the first light guide plate 1 and the front surface of the back plate 5 respectively.
In order to improve the utilization rate of the backlight module to the light, a reflector plate 8 is further arranged between the back plate 1 and the first light guide plate 1, and the reflector plate 8 can reflect the light transmitted from the back surface of the first light guide plate 1 back to the first light guide plate 1, so that the light brightness of the backlight module is improved.
The embodiment further provides a display device, which includes the backlight module, wherein the dimming regions on the first light guide plate 1 and the second light guide plate 3 of the backlight module in the display device are perpendicular, so that the backlight module has the dimming regions staggered horizontally and vertically, the number of the dimming regions of the backlight module is increased, and the backlight module is a side-in type backlight module, which can realize the lightness and thinness of the backlight module and multi-region dimming.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (10)
1. A backlight module, comprising:
a first light guide plate (1) having a first light incident surface on a side surface thereof;
the first light bar (2) is provided with a plurality of LED lamps (41), and the first light bar (2) is located on the side portion of the first light guide plate (1) and is opposite to the first light incident surface;
the second light guide plate (3) is stacked on the first light guide plate (1), the side surface of the second light guide plate (3) is a second light incident surface, and the second light incident surface is vertical to the first light incident surface; and
the second light bar (4) is provided with a plurality of LED lamps (41), and the second light bar (4) is located on the side portion of the second light guide plate (3) and opposite to the second light incident surface.
2. The backlight module as claimed in claim 1, wherein the centers of the LED lamps (41) on the first light bar (2) are aligned with the center line of the first light guide plate (1) in the thickness direction; the center of the LED lamp (41) on the second lamp strip (4) is aligned with the center line of the second light guide plate (3) in the thickness direction.
3. The backlight module according to claim 2, wherein the length of the light emitting area of the first light bar (2) along the thickness direction of the first light guide plate (1) is not greater than the thickness of the first light guide plate (1); the length of a light emitting area of the second light bar (4) along the thickness direction of the second light guide plate (3) is not more than the thickness of the second light guide plate (3).
4. The backlight module according to any one of claims 1-3, wherein the backlight module further comprises:
the backlight module comprises a back plate (5), wherein the edge of the back plate is bent upwards to form a bent edge (51), the bent edge (51) comprises a first bent edge and a second bent edge, the first bent edge is arranged opposite to the first light incoming surface, the second bent edge is arranged opposite to the second light incoming surface, the first light guide plate (1) and the second light guide plate (3) are sequentially stacked on the front surface of the back plate (5), the first light bar (2) is connected with the inner surface of the first bent edge, and the second light bar (4) is connected with the inner surface of the second bent edge.
5. The backlight module of claim 4, wherein the backlight module further comprises:
the first heat dissipation aluminum strip (6) is connected to the inner surface of the first bending edge, and the first light bar (2) is arranged on the first heat dissipation aluminum strip (6);
and the second heat dissipation aluminum strip (7) is connected to the inner surface of the second bending edge, and the second light bar (4) is arranged on the second heat dissipation aluminum strip (7).
6. The backlight module according to claim 5, wherein the first heat dissipating aluminum strips (6) and the second heat dissipating aluminum strips (7) are fixed to the back plate (5) by screw connection.
7. The backlight module as claimed in claim 5, wherein the first light bar (2) is fixed to the first heat-dissipating aluminum bar (6) by a heat-conducting adhesive; the second light bar (4) is fixed with the second heat dissipation aluminum bar (7) through heat conduction glue.
8. The backlight module of claim 5,
the first heat dissipating aluminum strip (6) includes:
a first side wall (61) fixed to an inner surface of the first bent side; and
a first abutting portion (62) vertically connected to the first side wall (61), the first abutting portion (62) abutting against the back surface of the first light guide plate (1) and the front surface of the rear plate (5), respectively;
the second heat dissipating aluminum strip (7) includes:
a second side wall (71) fixed to the inner surface of the second bent side; and
and a second abutting part (72) vertically connected with the second side wall (71), wherein the second abutting part (72) abuts against the back surface of the first light guide plate (1) and the front surface of the back plate (5) respectively.
9. The backlight module of claim 4, wherein the backlight module further comprises:
and the reflecting sheet (8) is arranged between the back plate (5) and the first light guide plate (1).
10. A display device comprising a backlight module according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175847.1A CN108397701A (en) | 2018-03-02 | 2018-03-02 | A kind of backlight module and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175847.1A CN108397701A (en) | 2018-03-02 | 2018-03-02 | A kind of backlight module and display equipment |
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| Publication Number | Publication Date |
|---|---|
| CN108397701A true CN108397701A (en) | 2018-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810175847.1A Pending CN108397701A (en) | 2018-03-02 | 2018-03-02 | A kind of backlight module and display equipment |
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| CN (1) | CN108397701A (en) |
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| CN110045545A (en) * | 2019-05-17 | 2019-07-23 | 上海中航光电子有限公司 | Display device |
| CN110673374A (en) * | 2019-10-12 | 2020-01-10 | 深圳创维－Rgb电子有限公司 | Touch screen module and touch television |
| CN114792494A (en) * | 2022-03-29 | 2022-07-26 | 歌尔科技有限公司 | Backlight control system, method, touch remote controller and computer readable storage medium |
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| CN110045545A (en) * | 2019-05-17 | 2019-07-23 | 上海中航光电子有限公司 | Display device |
| CN110673374A (en) * | 2019-10-12 | 2020-01-10 | 深圳创维－Rgb电子有限公司 | Touch screen module and touch television |
| CN114792494A (en) * | 2022-03-29 | 2022-07-26 | 歌尔科技有限公司 | Backlight control system, method, touch remote controller and computer readable storage medium |
| CN114792494B (en) * | 2022-03-29 | 2024-07-30 | 歌尔科技有限公司 | Backlight control system, method, touch remote controller and computer readable storage medium |
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