CN105204107B - Liquid crystal display device and its backlight module - Google Patents
Liquid crystal display device and its backlight module Download PDFInfo
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- CN105204107B CN105204107B CN201510577456.9A CN201510577456A CN105204107B CN 105204107 B CN105204107 B CN 105204107B CN 201510577456 A CN201510577456 A CN 201510577456A CN 105204107 B CN105204107 B CN 105204107B
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- light source
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
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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
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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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F1/133628—Illuminating devices with cooling means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of liquid crystal display device and its backlight modules, including light guide plate, multiple light sources component and the optical diaphragm group in framework and framework, array offers multiple first through hole identical with light source assembly quantity on light guide plate, light source assembly includes having the light source fixed part of annular sidewall and being fixed on the plurality of LEDs lamp bead of the sidewall surfaces of light source fixed part, and light source fixed part is inserted in first through hole.The invention also discloses a kind of liquid crystal display devices.Light source assembly is arranged to the light source fixed part with annular sidewall, the sidewall surfaces of light source fixed part are fixed with plurality of LEDs lamp bead, the array first through hole identical with light source assembly quantity on light guide plate, light source fixed part is inserted in first through hole, the light that LED lamp bead is sent out is incident upon along 360 ° of the inner wall of first through hole in light guide plate, such design method has both the advantage that side entering type enters light and straight-down negative enters light, can meet the needs of ultrathin design and local dimming design simultaneously.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of liquid crystal display devices and its backlight module.
Background technology
In a liquid crystal display, it since liquid crystal display itself does not shine, is then required to carry backlight.Current main-stream is aobvious
Show that device backlight technology mostly uses greatly LED as backlight, and backlight is broadly divided into according to its installation form in display
Two kinds of straight-down negative and side entering type.
Straight-down negative refers to LED being made intensive dot matrix, is placed on the behind of screen, direct irradiation screen；Side entering type
After referring to that light guide plate is irradiated in the side for LED backlight being placed on screen, light source, the back side of entire screen is lighted, to allow
Entirely keep screen all light.
However all there are advantage and disadvantage in both frameworks, due to LED light-emitting angles itself and little, direct-type backlight mode
In, LED distribution densities are very big, and apparent advantage is had no in cost, but the backlight illumination control of block may be implemented, to
Realize that local dimming (local dimming) are designed.To reduce cost, direct-type backlight mode is usually taken using great power LED
It carries secondary lens and realizes certain brightness requirement, although the quantity of LED can be reduced, such mode is realizing ultrathin design side
There are sizable difficulty in face, simultaneously because secondary lens are utilized, carrying out local dimming designs using backlight also becomes
It can not carry out, influence image quality.
Side backlight design is generally applied in high-end machine, and cause is that it can realize ultrathin design.Such side
Formula carries out optical transport using light guide plate can well solve the optics product such as lamp shadow that may be present in direct-type backlight design
Taste problem.However, its disadvantage is also apparent, local dimming functions are cannot achieve.
Invention content
In view of the shortcomings of the prior art, the present invention provides a kind of ultra-thin and can easily carry out local dimming
Liquid crystal display device and its backlight module.
In order to achieve the above purpose, present invention employs the following technical solutions：
A kind of backlight module, including framework and light guide plate, multiple light sources component and optical diaphragm group in the framework,
Array offers multiple first through hole identical with the light source assembly quantity on the light guide plate, and the light source assembly includes tool
There is the light source fixed part of annular sidewall and is fixed on the plurality of LEDs lamp bead of the sidewall surfaces of the light source fixed part, the light source
Fixed part is inserted in the first through hole, and the end of the LED lamp bead is towards the first through hole inner wall.
Wherein, the light source assembly further includes the bottom plate for connecting the light source fixed part, and the bottom plate is fixed on the frame
Body bottom surface.
Wherein, the light source fixed part is the heat sink of annular, and the LED lamp bead is fixed on the light by LED substrate
The outer ring surface of source fixed part.
Alternatively, the light source fixed part is the circuit board of annular.
Wherein, the backlight module further includes diffuser plate, and the diffuser plate is set to the light guide plate and the optical diaphragm
Between group.
Wherein, the backlight module further includes shading piece, and the shading piece is enclosed at the top of the light source fixed part and institute
It states between first through hole.
Wherein, the backlight module further includes the reflector plate for being tightly attached to the light guide plate bottom, is corresponded on the reflector plate
Offer the second through-hole.
Wherein, the diameter of second through-hole is more than the first through hole.
Alternatively, the diameter of second through-hole is less than the first through hole, and the reflector plate further includes being close to described the
The folding portion of one through-hole wall；The inner surface of the side wall of the light source fixed part is reflecting surface, and under the light source fixed part
Portion offers multiple light inlet windows.
Another object of the present invention is to provide a kind of liquid crystal display devices, including liquid crystal display panel and above-mentioned backlight mould
Block.
The backlight module of present invention array on light guide plate offers multiple first through hole identical with light source assembly quantity,
Light source assembly is arranged to the light source fixed part with annular sidewall, and plurality of LEDs is fixed in the sidewall surfaces of light source fixed part
Lamp bead, light source fixed part are inserted in first through hole, inner wall of the light that the LED lamp bead of annular distribution is sent out along first through hole
360 ° are incident upon in light guide plate, and such design method has both the advantage that side entering type enters light and straight-down negative enters light, can meet simultaneously super
The demand of thin design and local dimming design.
Description of the drawings
Fig. 1 is the structural schematic diagram of the liquid crystal display device of the embodiment of the present invention 1.
Fig. 2 is the partial cutaway view of the liquid crystal display device of the embodiment of the present invention 1.
Fig. 3 is the front view of the light source assembly of the embodiment of the present invention 1.
Fig. 4 is the vertical view of the light source assembly and light guide plate of the embodiment of the present invention 1.
Fig. 5 is the partial cutaway view of the liquid crystal display device of the embodiment of the present invention 2.
Fig. 6 a are a kind of front view of light source assembly of the embodiment of the present invention 2.
Fig. 6 b are the front view of another light source assembly of the embodiment of the present invention 2.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
Embodiment 1
Refering to fig. 1, liquid crystal display device of the invention includes the backlight module that liquid crystal display panel 1 and its underpart provide backlight
(figure is not marked), backlight module includes light guide plate 20, several light source assemblies 30 and optical diaphragm group in framework 10 and framework 10
40, array offers multiple first through hole 200 identical with 30 quantity of light source assembly on light guide plate 20, in conjunction with Fig. 2 and Fig. 3, light
Source component 30 specifically include the light source fixed part 31 of tube structure, the sidewall surfaces for being fixed on light source fixed part 31 plurality of LEDs
The bottom plate 32 of lamp bead 300 and vertical connection light source fixed part 31, light source fixed part 31 is inserted in first through hole 200, and LED light
Towards 200 inner wall of first through hole, bottom plate 32 is fixed on 10 bottom surface of framework for the end of pearl 300, and light source assembly 30 is fixed on framework
On 10.
Setting in this way, LED lamp bead 300 are fixed in first through hole 200, by by each LED lamp bead 300
End is set as face light guide plate 20, and light source assembly 30 can be injected from 200 inner wall of first through hole in light guide plate 20 along 360 ° of directions,
So that the uniform illumination of light guide plate 20, consistency is good, at the same time it can also pass through the brightness regulation realization to corresponding LED lamp bead 300
Local dimming has both the advantage that side entering type enters light and straight-down negative enters light.
The light guide plate 20 of the present embodiment is rectangular, is divided into multiple rectangular sub- light guide plates, in every sub- light guide plate
Portion is respectively opened up there are one first through hole 200.In conjunction with shown in Fig. 4, the light source fixed part 31 of the present embodiment is the heat sink of annular,
LED lamp bead 300 is fixed on the outer ring surface of light source fixed part 31 by LED substrate.Light source fixed part 31 can also be ring-shaped soft
Property circuit board.
Diffuser plate 50 is set between light guide plate 20 and optical diaphragm group 40, and the light sent out by backlight module can be by this
It is transmitted on liquid crystal display panel 1 after the further even light of diffuser plate 50 and forms image.
Further, 31 top of light source fixed part is fixed with the shading piece S of annular, and shading piece S is enclosed within light source fixed part
Between 31 tops and first through hole 200, it can prevent some light that LED lamp bead 300 is sent out from being projected from top and generating light leakage
The shading piece S of phenomenon, the present embodiment is made of rubber.It is understood that in other embodiments, shading piece S
It can be integrally formed with light source assembly 30.
If the bottom of Fig. 2, light guide plate 20 attach the reflector plate 60 with scattering netted dot, correspondence offers on reflector plate 60
The diameter of second through-hole 600, the second through-hole 600 is more than first through hole 200, i.e. light guide plate 20 is not provided with close to the part of dipped beam side
Reflector plate reduces the risk of dipped beam side leakage light.
Embodiment 2
As shown in Fig. 5 and Fig. 6 a, as different from Example 1, the reflector plate 60 of the present embodiment and light source fixed part 31
Structure is different.The diameter of second through-hole 600 be less than first through hole 200, and reflector plate 60 also have be tightly attached in first through hole 200
The folding portion 60a of wall, folding portion 60a are formed to have the cylinder of reflection function.Meanwhile the side wall of light source fixed part 31 is interior
Surface is reflecting surface, and offers multiple through-holes adjacent with LED lamp bead 300 close to the lower part of bottom plate 32 in light source fixed part 31
The light inlet window 310 of structure, the light sent out downward can be projected from the light inlet window 310, and light source assembly is made up after multiple reflections
The deficiency of 30 middle part light intensity.The anchor ring of light source fixed part 31 is close to 600 inner wall of the second through-hole of reflector plate 60, and bottom is avoided to leak
Light.If Fig. 6 b are another structure of the light source assembly 30 of the present embodiment, light inlet window 310 is opened in for compartment of terrain in the program
Circumferential multiple gap slots of light source fixed part 31 make to form light inlet window 310 between two adjacent LED lamp beads 300.
In this way, the light that LED lamp bead 300 is irradiated to the lower part of light guide plate 20 passes through folding portion 60a successively, reflector plate 60 is stretched
After going out part (figure is not marked) and the reflection of 31 inner wall of light source fixed part of light guide plate 20, projected from the top of light source fixed part 31 to expansion
Fall apart 50, solving 31 middle part of light source fixed part, there may be the defects of shadow.
By on light guide plate array offer multiple first through hole identical with light source assembly quantity, light source assembly is set
It is set to the light source fixed part with annular sidewall, is fixed with plurality of LEDs lamp bead in the sidewall surfaces of light source fixed part, light source is fixed
Portion is inserted in first through hole, and the light that the LED lamp bead of annular distribution is sent out is incident upon leaded light along 360 ° of the inner wall of first through hole
In plate, such design method has both the advantage that side entering type enters light and straight-down negative enters light, can meet ultrathin design and region tune simultaneously
The demand of light design.
The above is only the specific implementation mode of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection domain of the application.
Claims (7)
1. a kind of backlight module, which is characterized in that including the light guide plate (20), multiple in framework (10) and the framework (10)
Light source assembly (30), optical diaphragm group (40) and the reflector plate (60) for being tightly attached to the light guide plate (20) bottom, the light guide plate
(20) array offers multiple first through hole (200) identical with the light source assembly (30) quantity, the light source assembly on
(30) include the more of the sidewall surfaces that there is the light source fixed part (31) of annular sidewall and be fixed on the light source fixed part (31)
LED lamp bead (300), the light source fixed part (31) is inserted in the first through hole (200), and the LED lamp bead (300)
End towards the first through hole (200) inner wall；The light source fixed part (31) is tube structure, the light source fixed part
(31) inner surface of side wall is reflecting surface, and the lower part of the light source fixed part (31) offers multiple light inlet windows (310)；Institute
It states correspondence on reflector plate (60) and offers the second through-hole (600), including be close to the first through hole (200) inner wall, there is reflection
The diameter of the folding portion (60a) of function, second through-hole (600) is less than the first through hole (200)；The LED lamp bead
(300) light for being irradiated to the lower part of the light guide plate (20) passes through the folding portion (60a) successively, the reflector plate (60) is stretched
After going out part and the reflection of the light source fixed part (31) inner wall of the light guide plate (20), from the top of the light source fixed part (31)
It projects in portion.
2. backlight module according to claim 1, which is characterized in that the light source assembly (30) further includes the connection light
The bottom plate (32) of source fixed part (31), the bottom plate (32) are fixed on the framework (10) bottom surface.
3. backlight module according to claim 1, which is characterized in that the light source fixed part (31) is the heat dissipation of annular
Plate, the LED lamp bead (300) are fixed on the outer ring surface of the light source fixed part (31) by LED substrate.
4. backlight module according to claim 1, which is characterized in that the light source fixed part (31) is the circuit of annular
Plate.
5. backlight module according to claim 1, which is characterized in that further include diffuser plate (50), the diffuser plate (50)
Between the light guide plate (20) and the optical diaphragm group (40).
6. according to any backlight modules of claim 1-5, which is characterized in that further include shading piece (S), the shading piece
(S) it is enclosed at the top of the light source fixed part (31) between the first through hole (200).
7. a kind of liquid crystal display device, which is characterized in that including any backlight of liquid crystal display panel (1) and claim 1-6
Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577456.9A CN105204107B (en) | 2015-09-11 | 2015-09-11 | Liquid crystal display device and its backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577456.9A CN105204107B (en) | 2015-09-11 | 2015-09-11 | Liquid crystal display device and its backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105204107A CN105204107A (en) | 2015-12-30 |
| CN105204107B true CN105204107B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510577456.9A Active CN105204107B (en) | 2015-09-11 | 2015-09-11 | Liquid crystal display device and its backlight module |
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| CN (1) | CN105204107B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759500A (en) * | 2016-03-16 | 2016-07-13 | 深圳Tcl新技术有限公司 | Quantum dot backlight module and liquid crystal television |
| CN106773294B (en) * | 2016-12-21 | 2020-09-04 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
| CN107884992A (en) * | 2017-12-26 | 2018-04-06 | 惠州市华星光电技术有限公司 | The backlight module and display device of low cost |
| WO2020029668A1 (en) * | 2018-08-10 | 2020-02-13 | Oppo广东移动通信有限公司 | Backlight module, liquid crystal display module, and electronic device |
| CN109785744B (en) * | 2018-12-25 | 2023-06-30 | 友达光电（昆山）有限公司 | Display device and terminal using the same |
| CN109884822A (en) * | 2019-01-16 | 2019-06-14 | 柳州阜民科技有限公司 | A kind of backlight module, display module and electronic equipment |
| CN110208987A (en) * | 2019-06-26 | 2019-09-06 | 深圳创维－Rgb电子有限公司 | Down straight aphototropism mode set and display |
| CN112415808A (en) * | 2020-11-11 | 2021-02-26 | 福州大学 | Two-dimensional regional light-dimming light guide plate with embedded Mini-LED light source |
| CN117270262B (en) * | 2023-11-22 | 2024-01-30 | 苏州天立达精密科技股份有限公司 | Partition control backlight module, manufacturing device and manufacturing method thereof and display module |
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| CN101307894A (en) * | 2008-05-29 | 2008-11-19 | 京东方科技集团股份有限公司 | Side light type luminous diode backlight |
| CN201284959Y (en) * | 2008-08-04 | 2009-08-05 | 深圳市深华龙科技实业有限公司 | LED light source illuminating device |
| CN101493192A (en) * | 2009-02-18 | 2009-07-29 | 旭丽电子(广州)有限公司 | Novel light source |
| CN203258591U (en) * | 2013-01-09 | 2013-10-30 | 北京京东方光电科技有限公司 | Light guide plate, backlight source and display device |
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|---|---|
| CN105204107A (en) | 2015-12-30 |
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