CN209525545U - Backlight module and its display device - Google Patents
Backlight module and its display device Download PDFInfo
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- CN209525545U CN209525545U CN201821931871.5U CN201821931871U CN209525545U CN 209525545 U CN209525545 U CN 209525545U CN 201821931871 U CN201821931871 U CN 201821931871U CN 209525545 U CN209525545 U CN 209525545U
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- light source
- backboard
- secondary light
- backlight module
- utility
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133613—Direct backlight characterized by the sequence of light sources
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
It includes: backboard that the utility model, which provides a kind of backlight module and its display device, the backlight module,；Multiple backlights are set on the backboard, and the multiple backlight is arranged in matrix form；Reflector plate is set on the backboard, and position is corresponding with the multiple backlight；Secondary light source is set on the backboard, and the secondary light source is set to the edge of the backboard；Reflector plate is assisted, is set on the backboard, position is corresponding with the secondary light source.By adding reflector plate and secondary light source in back plate edges many places, the brightness of display platen edge can be improved, reach preferable display effect, the phenomenon that improving the whole luminous insufficient, irregularity in brightness of backlight module in the prior art, and then solve the problems, such as liquid crystal display all around corner retains shadow.
Description
Technical field
The utility model relates to field of display technology, in particular to a kind of backlight module and display device.
Background technique
Inside LCD TV industry, backlight luminescence body is with straight-down negative light emitting diode (Direct Light Emitting
Diode) based on type, however, there is subproblem in the art in this direct-light-type backlight.Most of liquid crystal
Showing device usually because light source from the lamp source of the backboard case array of backlight irradiation from lower to upper, it may appear that in the surrounding of display panel
Edge or apex angle corner portions have the problem of light source can not shine completely, cause the clouded phenomenon of display device, thus, cause
There is image insufficient when watching TV.
For traditional liquid crystal display using cold-cathode fluorescence lamp as backlight, color reducibility is poor, containing having to human body
Harmful mercury vapour.Nowadays with the development of science and technology, being gradually sent to replaced diode (LED) backlight.
Backlight is divided into direct-light-type backlight and two kinds of side-edge type backlight.Side-edge type backlight refers to that light source is located at product
Side place, direct-light-type backlight refer to light source be located at product underface be arranged.
Direct-light-type backlight general thickness is bigger than normal, and usually in 30mm or more, the subjective display effect uniformity is about thickness
70%, it can be seen that more apparent brightness irregularities.Especially in four corner locations, brightness is lower, and light and shade interval is extremely obvious,
Cause clouded phenomenon.
To solve the above-mentioned problems, this case designs and manufactures a kind of reflection chip secondary light source, can improve display picture
The clouded problem in quadrangle, and reducing production cost as far as possible is that technology urgently to be solved is asked in current technical field of liquid crystal display
Topic.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide a kind of backlight module and its liquid crystals
Showing device improves by increasing the secondary light source of reflection chip in back plate edges, and by arrangement setting secondary light source to reach
The purpose of quadrangle shadow.
It the purpose of this utility model and solves its technical problem and adopts the following technical solutions to realize.It is practical according to this
A kind of backlight module of novel proposition, comprising: backboard；Multiple backlights are set on the backboard, and the multiple backlight is in
Matrix form arrangement；Reflector plate is set on the backboard, and position is corresponding with the multiple backlight；Secondary light source is set to
On the backboard, the secondary light source is set to the edge of the backboard；Reflector plate is assisted, is set on the backboard,
Position is corresponding with the secondary light source.
In an embodiment of the utility model, the configuration quantity of the secondary light source setting is more than one.
In an embodiment of the utility model, the position of the secondary light source setting is the marginal surface of the backboard
More than one lateral location.
In an embodiment of the utility model, the secondary light source is set to pair of the surface periphery of the backboard
To side.
In an embodiment of the utility model, the secondary light source is set to the phase of the surface periphery of the backboard
Adjacent side.
In an embodiment of the utility model, the secondary light source is set to the institute of the surface periphery of the backboard
There is side
In an embodiment of the utility model, the position of the secondary light source setting is the marginal surface of the backboard
More than one corner position.
In an embodiment of the utility model, the secondary light source is set to pair of the marginal surface of the backboard
Angle Position.
In an embodiment of the utility model, the secondary light source is set to the phase of the marginal surface of the backboard
Adjacent corner position.
In an embodiment of the utility model, the secondary light source is set to the institute of the marginal surface of the backboard
There is corner position.
In an embodiment of the utility model, the secondary light source is configured at the edge part of the backboard in equidistant fashion
Position.
In an embodiment of the utility model, the secondary light source is configured at the edge of the backboard in a manner of Unequal distance
Position.
In an embodiment of the utility model, the secondary light source is configured at the side of the backboard in a manner of Local Isometric
Edge position.
In an embodiment of the utility model, the secondary light source is set to the edge of backboard, the secondary light source battle array
Column it is arranged evenly in, the distance between two adjacent described secondary light sources be 40mm to 60mm.
In an embodiment of the utility model, the quantity of the secondary light source is the respective side edge length according to backboard
Ratio is configured.
In an embodiment of the utility model, the secondary light source is distributed in a manner of transversely arranged dislocation up and down to be set
It sets.
In an embodiment of the utility model, the secondary light source is dislocated distribution setting with longitudinal arrangement.
In an embodiment of the utility model, the light source is light emitting diode.
In an embodiment of the utility model, the multiple backlight is arranged in matrix-style.
The another object of the utility model is liquid crystal display device, comprising: panel；Drive module；It is any as discussed previously
The backlight module of item, the backlight module is controlled by the drive module, to provide light source to the panel.
In one embodiment of the utility model, the drive module is to complete to convert from analog signal to digital signal
(or being converted from a kind of digital signal to another digital signal), and go down to drive liquid crystal display in the control of image control unit
Show the functional module of image.
In one embodiment of the utility model, the multiple backlight is made of LED light bar, and LED light bar is generally
Strip substrate is rearranged by multiple LED in line, and the distance between two LED light sources are equal.
The utility model is by setting secondary light source and reflector plate, compared with the defect that can improve periphery shadow, including side with
Four corners, improve the display brightness of the light of periphery, show entire display area more uniform.The utility model is without substantially
Change production process, suitable for the liquid crystal display device of all kinds of directly-down light sources, practicability is relatively high.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is that the back light of exemplary direct type backlight module arranges figure；
Fig. 2 is the distribution map of secondary light source on the backboard of an embodiment of the present invention；
Fig. 3 is the secondary light source distribution map of the backboard adjacent side of an embodiment of the present invention；
Fig. 4 is the secondary light source distribution map of the relative side of the backboard of an embodiment of the present invention；
Fig. 5 a and Fig. 5 b is the secondary light source distribution map of more sides of the backboard of an embodiment of the present invention；
Fig. 6 is the secondary light source distribution map of the backboard adjacent to apex angle of an embodiment of the present invention；
Fig. 7 is the secondary light source distribution map of the opposite apex angle of the backboard of an embodiment of the present invention；
Fig. 8 a and Fig. 8 b is the secondary light source distribution map of multiple apex angles of the back plate edges of an embodiment of the present invention；
Fig. 9 a and Fig. 9 b is the dislocation layout viewing of the newly-increased secondary light source of the back plate edges of an embodiment of the present invention；
Figure 10 is the relational graph of the Aspect Ratio of the backboard of an embodiment of the present invention and the quantity of secondary light source；
Figure 11 is the display device structure figure of an embodiment of the present invention.
Specific embodiment
The explanation of following embodiment is to can be used to the specific of implementation to illustrate the utility model with reference to additional schema
Embodiment.The direction term that the utility model is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "
Outside ", " side " etc. is only the direction with reference to annexed drawings.Therefore, the direction term used is to illustrate and understand that this is practical
It is novel, rather than to limit the utility model.
Attached drawing and explanation are considered inherently illustrative, rather than restrictive.The similar list of structure in the figure
Member is to be given the same reference numerals.In addition, in order to understand and be convenient for description, the size and thickness of each component shown in the accompanying drawings are
It is arbitrarily shown, but the utility model is without being limited thereto.
In addition, in the description, unless explicitly described as opposite, otherwise word " comprising " will be understood as meaning to wrap
The component is included, but is not excluded for any other component.In addition, in the description, " above " means to be located at target group
Part either above or below, and be not intended to must be positioned on the top based on gravity direction.
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined goal of the invention and being taken, below
In conjunction with attached drawing and specific embodiment, to according to the utility model proposes direct type backlight module and display device, tool
Body embodiment, structure, feature and its effect, detailed description is as follows.
The back light arrangement figure that Fig. 1 is painted exemplary direct type backlight module is please referred to, backboard 200 and setting are being carried on the back
Downward back radiant 201 on plate 200, the back light are arranged in arrays.But the direct-light-type backlight
Thickness is bigger than normal, causes the display brightness of display device uneven, especially four corner positions, is unable to reach needed for display
Brightness conditions cause the clouded problem in quadrangle.
Fig. 2 is the distribution map of secondary light source on the backboard of an embodiment of the present invention.In an implementation of the utility model
In example, a kind of backlight module, comprising: backboard 200；Multiple backlights 201 are set on the backboard 200, the multiple backlight
It arranges in matrix form in source；Reflector plate is set on the backboard 200, and position is corresponding with the multiple backlight；Secondary light source
203, it is set on the backboard 200, the secondary light source 203 is set to the edge of the backboard 200；Auxiliary reflection
Piece is set on the backboard 200, and position is corresponding with the secondary light source.
In an embodiment of the utility model, with reference to Fig. 2, the configuration quantity that the secondary light source 203 is arranged is one
More than, quantity is not limited to limit value.
In an embodiment of the utility model, the position that the secondary light source 203 is arranged is the table of the backboard 200
The more than one lateral location at face edge.
Fig. 3 is the secondary light source distribution map of the backboard adjacent side of an embodiment of the present invention.In the utility model
In one embodiment, the secondary light source 203 is set to the adjacent side of the surface periphery of the backboard 200, for example, backboard
Secondary light source 203 is arranged in the left side and upper side edge at 200 edges, but not limited to this position.
Fig. 4 is the secondary light source distribution map of the backboard relative side of an embodiment of the present invention.In the utility model
In one embodiment, the secondary light source 203 is set to the opposite side of the surface periphery of the backboard 200, such as Fig. 4 institute
Showing, secondary light source 203 is arranged in the left and right relative side in 200 edge of backboard of display device, but not limited to this kind arrangement mode.
Fig. 5 a and Fig. 5 b is the secondary light source distribution map of more sides of the backboard of an embodiment of the present invention, practical at this
In a novel embodiment, the secondary light source 203 is set to more sides or all of the surface periphery of the backboard 200
Side, as shown in Fig. 5 a and Fig. 5 b, in the multidirectional side setting reflector plate 202 in 200 edge of backboard of display device and secondary light source
203；Particularly, as shown in Figure 5 a, it is not limited to such arrangement set-up mode.
Fig. 6 is the secondary light source distribution map of the backboard adjacent to apex angle of an embodiment of the present invention.In the utility model
In one embodiment, the secondary light source 203 is set to the adjacent corner position of the marginal surface of the backboard 200, such as Fig. 6
It is depicted, secondary light source 203 and reflector plate 202 are increased newly adjacent to vertex in the upper left of 200 left side edge of backboard, lower-left, but not
It is limited to such to configurate method.
Fig. 7 is the secondary light source distribution map of the opposite apex angle of the backboard of an embodiment of the present invention.In the utility model
An embodiment in, the secondary light source 203 is set to the opposite corner position of the marginal surface of the backboard 200, such as
Depicted in Fig. 7, secondary light source 203 is set with respect to apex angle in the upper left at 200 edge of backboard of display device and bottom right, but unlimited
In this corner position.
Fig. 8 a and Fig. 8 b is the secondary light source distribution map of multiple apex angles of the back plate edges of an embodiment of the present invention.?
In one embodiment of the utility model, with reference to such as 8a and Fig. 8 b, the position of the secondary light source setting is the backboard 200
Back plate edges more than one corner position.
As depicted in Fig. 8 a and Fig. 8 b, in an embodiment of the utility model, the secondary light source 203 is set to described
Multiple or all corner positions at 200 edge of the backboard of backboard 200；Particularly, with reference to Fig. 8 a, the setting of multiple apex angles is arranged
Mode for cloth is not limited to such.
Fig. 9 a and Fig. 9 b is the dislocation layout viewing of the newly-increased secondary light source of the back plate edges of an embodiment of the present invention.?
In one embodiment of the utility model, the secondary light source 203 is distributed setting in a manner of transversely arranged dislocation up and down, such as Fig. 9 a
Depicted, the secondary light source 203 is arranged in a manner of transversely arranged dislocation up and down, but not limited to this kind arranged distribution side
Formula.
As depicted in Fig. 9 b, in an embodiment of the utility model, the secondary light source 203 is with longitudinal arrangement or so
Be dislocatedly distributed setting, but not limited to this kind arranged distribution mode.
Figure 10 is the relational graph of the Aspect Ratio of the backboard of an embodiment of the present invention and the quantity of secondary light source.At this
In one embodiment of utility model, the quantity of the secondary light source 203 be according to the respective side edge length ratio of backboard 200 into
Row setting, as depicted in Figure 10, a length of b of backboard 200, width a, a:b=6:10, therefore, in the left side at the edge of backboard 200
Quantity shared by the secondary light source 203 of side setting is 6, and quantity shared by the secondary light source 203 of upper side edge setting is 10, but
Quantity without being limited thereto.
In an embodiment of the utility model, the secondary light source is set to the edge of backboard 200, the secondary light source
203 it is arranged evenly in, the distance between two adjacent described secondary light sources 203 be 40mm to 60mm.
In an embodiment of the utility model, the secondary light source 203 is configured at the backboard 200 in equidistant fashion
Edge, the distance between two adjacent described secondary light sources be 50mm, but not limited to this.
In an embodiment of the utility model, the secondary light source 203 is configured at the backboard 200 in a manner of Unequal distance
Edge, the distance between two adjacent described secondary light sources be 40mm to 60mm, for example, 40mm, 42m, 44mm,
46mm, 48mm, 50mm etc..
In an embodiment of the utility model, the secondary light source 203 is configured at the backboard in a manner of Local Isometric
200 edge, for example, equidistantly distance is 50mm to secondary light source, and Unequal distance distance is the value in addition to 50mm, it is noted that
The distance between two adjacent described secondary light sources are 40mm to 60mm.
In an embodiment of the utility model, the light source is light emitting diode (LED).
In an embodiment of the utility model, the multiple backlight is arranged in matrix-style.
Figure 11 is the display configuration figure of an embodiment of the present invention.In an embodiment of the utility model, institute
The liquid crystal display device stated, comprising: panel 303；Drive module 301；The backlight module 302 of any one as discussed previously, it is described
Backlight module 302 is controlled by the drive module 301, to provide light source to the panel 303.
In an embodiment of the utility model, the drive module 301 is completed from analog signal to digital signal
It converts (or being converted from a kind of digital signal to another digital signal), and goes down to drive liquid in the control of image control unit
The functional module of brilliant screen display diagram picture；Generally comprised on liquid crystal display screen drive board main control chip, MCU microcontroller, ROM memory,
Power module, power interface, VGA video signal input interface, OSD key plate interface, high pressure plate interface, LVDS/TTL drive screen
Several parts such as signaling interface；The principle of liquid crystal display screen drive board: the vision signal sent from main frame display card passes through driving
VGA video signal input interface on plate is sent into the main control chip of driving plate, and main control chip is according to liquid related in MCU microcontroller
The data of crystalline substance screen controls liquid crystal display displays images.
The utility model is by setting secondary light source and reflector plate, compared with the defect that can improve periphery shadow, including side with
Four corners, improve the display brightness of the light of periphery, show entire display area more uniform.The utility model is without substantially
Change production process, suitable for the liquid crystal display device of all kinds of directly-down light sources, practicability is relatively high.
" in some embodiments " and " in various embodiments " terms are used repeatedly etc..The term is not usually
Refer to identical embodiment；But it may also mean that identical embodiment.The words such as "comprising", " having " and " comprising " are synonymous
Word, unless its context meaning shows other meanings.
The above is only the embodiments of the present invention, do not impose any limitation on the present invention, though
Right the utility model is disclosed above with specific embodiment, however is not intended to limit the utility model, and any to be familiar with sheet special
The technical staff of industry is not departing within the scope of technical solutions of the utility model, makes when using the technology contents of the disclosure above
A little change or the equivalent embodiment for being modified to equivalent variations, but all contents without departing from technical solutions of the utility model, according to
According to the technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, still fall within
In the range of technical solutions of the utility model.
Claims (10)
1. a kind of backlight module characterized by comprising
Backboard；
Multiple backlights are set on the backboard, and the multiple backlight is arranged in matrix form；
Reflector plate is set on the backboard, and position is corresponding with the multiple backlight；
Secondary light source is set on the backboard, and the secondary light source is set to the edge of the backboard；
Reflector plate is assisted, is set on the backboard, position is corresponding with the secondary light source.
2. backlight module as described in claim 1, which is characterized in that the configuration quantity of secondary light source setting be one with
On.
3. backlight module as described in claim 1, which is characterized in that the position of the secondary light source setting is the backboard
The more than one lateral location of marginal surface.
4. backlight module as claimed in claim 3, which is characterized in that the secondary light source is set to the surface of the backboard
The opposite side of periphery or adjacent side or all sides.
5. backlight module as described in claim 1, which is characterized in that the position of the secondary light source setting is the backboard
The more than one corner position of marginal surface.
6. backlight module as claimed in claim 5, which is characterized in that the secondary light source is set to the surface of the backboard
The diagonal position at edge or adjacent corner position or all corner positions.
7. backlight module as described in claim 1, which is characterized in that the secondary light source is configured at the backboard in equidistant fashion
Edge.
8. backlight module as described in claim 1, which is characterized in that the quantity of the secondary light source is according to the corresponding of backboard
Side edge length ratio is configured.
9. backlight module as described in claim 1, which is characterized in that the secondary light source is in a manner of transversely arranged dislocation up and down
Or longitudinal arrangement is dislocated distribution setting.
10. a kind of display device characterized by comprising
Panel；
Drive module；
Backlight module as described in claim 1-9 any one, the backlight module are controlled by the drive module, with
Light source is provided to the panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821931871.5U CN209525545U (en) | 2018-11-22 | 2018-11-22 | Backlight module and its display device |
| PCT/CN2019/082670 WO2020103386A1 (en) | 2018-11-22 | 2019-04-15 | Backlight device and display unit therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821931871.5U CN209525545U (en) | 2018-11-22 | 2018-11-22 | Backlight module and its display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525545U true CN209525545U (en) | 2019-10-22 |
Family
ID=68214152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821931871.5U Active CN209525545U (en) | 2018-11-22 | 2018-11-22 | Backlight module and its display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209525545U (en) |
| WO (1) | WO2020103386A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111880337A (en) * | 2020-07-31 | 2020-11-03 | 深圳创维－Rgb电子有限公司 | Backlight assembly and liquid crystal display module |
| CN112987394A (en) * | 2019-12-18 | 2021-06-18 | 海信视像科技股份有限公司 | Display device |
| CN116430622A (en) * | 2023-04-26 | 2023-07-14 | 富盛光电（吴江）有限公司 | Light diffusion plate and direct type backlight module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023005241A (en) | 2021-06-28 | 2023-01-18 | 船井電機株式会社 | Display device and backlight device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120019249A (en) * | 2010-08-25 | 2012-03-06 | 삼성모바일디스플레이주식회사 | Back light unit and liquid crystal display including it |
| CN103123073B (en) * | 2011-11-21 | 2016-03-09 | 青岛海尔电子有限公司 | Backlight module and apply its liquid crystal display |
| CN103123072B (en) * | 2011-11-21 | 2016-03-09 | 青岛海尔电子有限公司 | Backlight module and apply its liquid crystal display |
| CN103675989A (en) * | 2013-12-20 | 2014-03-26 | 康佳集团股份有限公司 | Light guide plate or diffusion plate used for LED backlight module and manufacturing method of light guide plate or diffusion plate |
| CN105068315B (en) * | 2015-09-01 | 2019-05-31 | 深圳Tcl新技术有限公司 | Blue-ray LED down straight aphototropism mode set and liquid crystal display |
| CN105700230B (en) * | 2016-01-29 | 2018-11-20 | 京东方科技集团股份有限公司 | Backlight, backlight module and display device |
-
2018
- 2018-11-22 CN CN201821931871.5U patent/CN209525545U/en active Active
-
2019
- 2019-04-15 WO PCT/CN2019/082670 patent/WO2020103386A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987394A (en) * | 2019-12-18 | 2021-06-18 | 海信视像科技股份有限公司 | Display device |
| CN112987394B (en) * | 2019-12-18 | 2024-04-02 | 海信视像科技股份有限公司 | Display device |
| CN111880337A (en) * | 2020-07-31 | 2020-11-03 | 深圳创维－Rgb电子有限公司 | Backlight assembly and liquid crystal display module |
| CN116430622A (en) * | 2023-04-26 | 2023-07-14 | 富盛光电（吴江）有限公司 | Light diffusion plate and direct type backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020103386A1 (en) | 2020-05-28 |
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