CN105204107A - Liquid crystal display device and backlight module thereof - Google Patents
Liquid crystal display device and backlight module thereof Download PDFInfo
- Publication number
- CN105204107A CN105204107A CN201510577456.9A CN201510577456A CN105204107A CN 105204107 A CN105204107 A CN 105204107A CN 201510577456 A CN201510577456 A CN 201510577456A CN 105204107 A CN105204107 A CN 105204107A
- Authority
- CN
- China
- Prior art keywords
- light source
- backlight module
- hole
- fixed part
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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]
-
- 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
-
- 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
-
- 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
- G02F1/133606—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
Abstract
The invention discloses a liquid crystal display device and a backlight module thereof. The backlight module comprises a frame, a light guide plate in the frame, multiple light source modules and an optical film set. A plurality of first through holes in the same number as the light source modules are formed in the light guide plate in an array. Each light source module comprises a light source fixing part and a plurality of LED lamp beads, the light source fixing part is provided with an annular side wall, and the LED lamp beads are fixed to the side wall surface of the light source fixing part. The light source fixing parts are inserted into the first through holes. The invention further discloses the liquid crystal display device. The light source modules are provided with the light source fixing parts with the annular side walls, the LED lamp beads are fixed to the side wall surface of the light source fixing parts, the first through holes in the same number as the light source modules are formed in the light guide plate in an array, the light source fixing parts are inserted into the first through holes, and light emitted by the LED lamp beads is irradiated into the light guide plate along the inner walls of the first through holes by 360 degrees. By means of the design mode, the advantages of lateral incoming light and the advantages of straight downward incoming light are integrated, and meanwhile the requirements of ultra-thin design and area light adjustment design can be met.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of liquid crystal indicator and backlight module thereof.
Background technology
In a liquid crystal display, because liquid crystal display itself is not luminous, so all need to carry backlight.Current main-stream display backlight technology adopts LED as backlight mostly, and backlight is mainly divided into straight-down negative and side entering type two kinds according to its installation form in display.
Straight-down negative refers to makes intensive dot matrix LED, is placed on the behind of screen, direct irradiation screen; Side entering type refers to side LED backlight being placed on screen, after light source irradiation light guide plate, lights the back side of whole screen, thus makes the whole screen that makes all light.
But all there are relative merits in these two kinds of frameworks, because the rising angle of LED own is also little, in direct-type backlight mode, LED distribution density is very large, cost there is no obvious advantage, but the backlight illumination that can realize block controls, thus realize localdimming (local dimming) design.For reducing costs, direct-type backlight mode usually utilizes great power LED to carry secondary lens and realizes certain brightness requirement, although the quantity of LED can be reduced, but this kind of mode is realizing there is sizable difficulty in ultrathin design, simultaneously owing to make use of secondary lens, use backlight to carry out localdimming design also to become and cannot carry out, affect image quality.
Side backlight design is used in high-end machine usually, and cause is that it can realize ultrathin design.This kind of mode adopts light guide plate to carry out optical transport can solve the optics taste problems such as the lamp shadow that may exist in direct-type backlight design well.But its shortcoming is also obvious, cannot realize localdimming function.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of ultra-thin and liquid crystal indicator and the backlight module thereof of local dimming can be carried out easily.
In order to realize above-mentioned object, present invention employs following technical scheme:
A kind of backlight module, comprise the light guide plate in framework and described framework, multiple light source assembly and optical diaphragm group, in described light guide plate, array offers the first identical through hole of multiple and described light source assembly quantity, described light source assembly comprises the plurality of LEDs lamp pearl of the light source fixed part with annular sidewall and the sidewall surfaces being fixed on described light source fixed part, described light source fixed part is inserted in described first through hole, and the end of described LED lamp bead is towards described first through-hole wall.
Wherein, described light source assembly also comprises the base plate connecting described light source fixed part, and described base plate is fixed on described framework bottom surface.
Wherein, described light source fixed part is the heat sink of annular, and described LED lamp bead is fixed on the outer ring surface of described light source fixed part by LED-baseplate.
Or described light source fixed part is the circuit board of annular.
Wherein, described backlight module also comprises diffuser plate, and described diffuser plate is located between described light guide plate and described optical diaphragm group.
Wherein, described backlight module also comprises shading piece, and described shading piece is enclosed between described light source fixed part top and described first through hole.
Wherein, described backlight module also comprises the reflector plate be close to bottom described light guide plate, and on described reflector plate, correspondence offers the second through hole.
Wherein, the diameter of described second through hole is greater than described first through hole.
Or the diameter of described second through hole is less than described first through hole, and described reflector plate also comprises the folding portion being close to described first through-hole wall; The inside surface of the sidewall of described light source fixed part is reflecting surface, and the bottom of described light source fixed part offers multiple light inlet window.
Another object of the present invention is to provide a kind of liquid crystal indicator, comprise liquid crystal panel and above-mentioned backlight module.
Backlight module of the present invention array in light guide plate offers multiple first through hole identical with light source assembly quantity, light source assembly is set to the light source fixed part with annular sidewall, plurality of LEDs lamp pearl is fixed with in the sidewall surfaces of light source fixed part, light source fixed part is inserted in the first through hole, the light that the LED lamp bead of annular distribution sends is incident upon in light guide plate along the inwall 360 ° of the first through hole, this kind of design has the advantage of side entering type light inlet and straight-down negative light inlet concurrently, can meet the demand of ultrathin design and local dimming design simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the liquid crystal indicator of the embodiment of the present invention 1.
Fig. 2 is the part sectioned view of the liquid crystal indicator 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 light source assembly of the embodiment of the present invention 1 and the vertical view of light guide plate.
Fig. 5 is the part sectioned view of the liquid crystal indicator of the embodiment of the present invention 2.
Fig. 6 a is the front view of a kind of light source assembly of the embodiment of the present invention 2.
Fig. 6 b is the front view of the another kind of light source assembly of the embodiment of the present invention 2.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
Consult Fig. 1, liquid crystal indicator of the present invention comprises liquid crystal panel 1 and its underpart provides the backlight module of backlight (figure does not mark), backlight module comprises the light guide plate 20 in framework 10 and framework 10, some light source assemblies 30 and optical diaphragm group 40, in light guide plate 20, array offers multiple first through hole 200 identical with light source assembly 30 quantity, composition graphs 2 and Fig. 3, light source assembly 30 specifically comprises the light source fixed part 31 of tube structure, be fixed on the plurality of LEDs lamp pearl 300 of the sidewall surfaces of light source fixed part 31 and the base plate 32 being vertically connected light source fixed part 31, light source fixed part 31 is inserted in the first through hole 200, and the end of LED lamp bead 300 is towards the first through hole 200 inwall, base plate 32 is fixed on framework 10 bottom surface, light source assembly 30 is fixed in framework 10.
By such setting, LED lamp bead 300 is fixed in the first through hole 200, by the end of each LED lamp bead 300 being set to just to light guide plate 20, light source assembly 30 can be injected in light guide plate 20 from the first through hole 200 inwall along 360 ° of directions, make the uniform illumination of light guide plate 20, consistance is good, simultaneously, by the brightness regulation feasible region light modulation to corresponding LED lamp bead 300, the advantage of side entering type light inlet and straight-down negative light inlet can also be had concurrently.
The light guide plate 20 of the present embodiment is square, is divided into multiple square sub-light guide plate, and the middle part of every sub-light guide plate offers first through hole 200.Shown in composition graphs 4, the light source fixed part 31 of the present embodiment is the heat sink of annular, and LED lamp bead 300 is fixed on the outer ring surface of light source fixed part 31 by LED-baseplate.Light source fixed part 31 also can be the flexible PCB of annular.
Diffuser plate 50 is located between light guide plate 20 and optical diaphragm group 40, the light sent through backlight module by the further even light of this diffuser plate 50 after be transmitted on liquid crystal panel 1 and form image.
Further, light source fixed part 31 top is fixed with the shading piece S of annular, shading piece S is enclosed between light source fixed part 31 top and the first through hole 200, the some light that can prevent LED lamp bead 300 from sending produces light leakage phenomena from top injection, and the shading piece S of the present embodiment adopts rubber to make.Be understandable that, in other embodiments, this shading piece S also can be one-body molded with light source assembly 30.
As Fig. 2, the bottom of light guide plate 20 attaches the reflector plate 60 with scattering netted dot, and the diameter that on reflector plate 60, correspondence offers the second through hole 600, second through hole 600 is greater than the first through hole 200, namely light guide plate 20 does not arrange reflector plate near the part of dipped beam side, 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 is different with the structure of light source fixed part 31.The diameter of the second through hole 600 is less than the first through hole 200, and reflector plate 60 also has the folding portion 60a being close to the first through hole 200 inwall, and this folding portion 60a is formed as the cylindrical shell with reflection function.Simultaneously, the inside surface of the sidewall of light source fixed part 31 is reflecting surface, and offer the light inlet window 310 of multiple through-hole structure adjacent with LED lamp bead 300 near the bottom of base plate 32 at light source fixed part 31, the light sent downward can penetrate from this light inlet window 310, makes up the deficiency of light intensity in the middle part of light source assembly 30 after multiple reflections.The anchor ring of light source fixed part 31 and the second through hole 600 inwall of reflector plate 60 are close to, and avoid bottom light leak.Be the another kind of structure of the light source assembly 30 of the present embodiment as Fig. 6 b, in the program, light inlet window 310 be opened in multiple gap slots of the hoop of light source fixed part 31 for compartment of terrain, make to form light inlet window 310 between two adjacent LED lamp bead 300.
Like this, the light that LED lamp bead 300 is irradiated to the bottom of light guide plate 20 is successively after folding portion 60a, reflector plate 60 stretch out the part (figure does not mark) of light guide plate 20 and light source fixed part 31 inwall reflects, from the injection of the top of light source fixed part 31 to diffuser plate 50, solve the defect that may there is shadow in the middle part of light source fixed part 31.
Multiple first through hole identical with light source assembly quantity is offered by array in light guide plate, light source assembly is set to the light source fixed part with annular sidewall, plurality of LEDs lamp pearl is fixed with in the sidewall surfaces of light source fixed part, light source fixed part is inserted in the first through hole, the light that the LED lamp bead of annular distribution sends is incident upon in light guide plate along the inwall 360 ° of the first through hole, this kind of design has the advantage of side entering type light inlet and straight-down negative light inlet concurrently, can meet the demand of ultrathin design and local dimming design simultaneously.
The above is only the embodiment of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (10)
1. a backlight module, it is characterized in that, comprise the light guide plate (20) in framework (10) and described framework (10), multiple light source assembly (30) and optical diaphragm group (40), the upper array of described light guide plate (20) offers identical the first through hole (200) of multiple and described light source assembly (30) quantity, described light source assembly (30) comprises the plurality of LEDs lamp pearl (300) of the light source fixed part (31) with annular sidewall and the sidewall surfaces being fixed on described light source fixed part (31), described light source fixed part (31) is inserted in described first through hole (200), and the end of described LED lamp bead (300) is towards described first through hole (200) inwall.
2. backlight module according to claim 1, it is characterized in that, described light source assembly (30) also comprises the base plate (32) connecting described light source fixed part (31), and described base plate (32) is fixed on described framework (10) bottom surface.
3. backlight module according to claim 1, it is characterized in that, described light source fixed part (31) is the heat sink of annular, and described LED lamp bead (300) is fixed on the outer ring surface of described light source fixed part (31) by LED-baseplate.
4. backlight module according to claim 1, is characterized in that, described light source fixed part (31) is the circuit board of annular.
5. backlight module according to claim 1, is characterized in that, also comprises diffuser plate (50), and described diffuser plate (50) is located between described light guide plate (20) and described optical diaphragm group (40).
6. according to the arbitrary described backlight module of claim 1-5, it is characterized in that, also comprise shading piece (S), described shading piece (S) is enclosed between described light source fixed part (31) top and described first through hole (200).
7. backlight module according to claim 6, it is characterized in that, also comprise the reflector plate (60) being close to described light guide plate (20) bottom, the upper correspondence of described reflector plate (60) offers the second through hole (600).
8. backlight module according to claim 7, is characterized in that, the diameter of described second through hole (600) is greater than described first through hole (200).
9. backlight module according to claim 7, it is characterized in that, the diameter of described second through hole (600) is less than described first through hole (200), and described reflector plate (60) also comprises the folding portion (60a) being close to described first through hole (200) inwall; The inside surface of the sidewall of described light source fixed part (31) is reflecting surface, and the bottom of described light source fixed part (31) offers multiple light inlet window (310).
10. a liquid crystal indicator, is characterized in that, comprises liquid crystal panel (1) and the arbitrary described backlight module of claim 1-9.
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 true CN105204107A (en) | 2015-12-30 |
| CN105204107B CN105204107B (en) | 2018-08-24 |
Family
ID=54951881
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105204107B (en) |
Cited By (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 |
| CN106773294A (en) * | 2016-12-21 | 2017-05-31 | 深圳市华星光电技术有限公司 | 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 |
| CN109785744A (en) * | 2018-12-25 | 2019-05-21 | 友达光电（昆山）有限公司 | Display device and the terminal for using the display device |
| 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 |
| 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 |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
| 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 |
| CN117270262A (en) * | 2023-11-22 | 2023-12-22 | 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307894A (en) * | 2008-05-29 | 2008-11-19 | 京东方科技集团股份有限公司 | Side light type luminous diode backlight |
| CN101493192A (en) * | 2009-02-18 | 2009-07-29 | 旭丽电子(广州)有限公司 | Novel light source |
| 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 |
| 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 |
| US20140211503A1 (en) * | 2013-01-30 | 2014-07-31 | Cree, Inc. | Waveguide bodies including redirection features and methods of producing same |
-
2015
- 2015-09-11 CN CN201510577456.9A patent/CN105204107B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101307894A (en) * | 2008-05-29 | 2008-11-19 | 京东方科技集团股份有限公司 | 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 |
| US20140211503A1 (en) * | 2013-01-30 | 2014-07-31 | Cree, Inc. | Waveguide bodies including redirection features and methods of producing same |
Cited By (14)
| 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 |
| WO2017156902A1 (en) * | 2016-03-16 | 2017-09-21 | 深圳Tcl新技术有限公司 | Quantum dot backlight module and liquid crystal television |
| CN106773294A (en) * | 2016-12-21 | 2017-05-31 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2019127784A1 (en) * | 2017-12-26 | 2019-07-04 | 惠州市华星光电技术有限公司 | Low-cost backlight module and display apparatus |
| 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 |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
| 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 |
| CN109785744A (en) * | 2018-12-25 | 2019-05-21 | 友达光电（昆山）有限公司 | Display device and the terminal for using the display 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 |
| CN117270262A (en) * | 2023-11-22 | 2023-12-22 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105204107B (en) | 2018-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105204107A (en) | Liquid crystal display device and backlight module thereof | |
| CN202629814U (en) | Lateral backlight module | |
| CN207764521U (en) | A kind of backlight module and display device | |
| JP2004206916A (en) | Planar light source | |
| CN103090271A (en) | Novel straight down type backlight module and liquid crystal display television (LCD TV) | |
| US9891365B2 (en) | Backlight unit and display apparatus having the same | |
| CN203162752U (en) | Direct-type liquid crystal display device, backlight module thereof and diffusion plate | |
| CN103032817B (en) | Dodging lens, backlight module using dodging lens and display device | |
| CN105180092A (en) | Lens and light source module | |
| JP2013258125A (en) | High contract direct type backlight module | |
| CN105242454A (en) | Ultrathin direct illumination-type backlight module and liquid crystal display device | |
| CN109976036A (en) | A kind of optical diaphragm, backlight module and display device | |
| CN202469661U (en) | Lighting device | |
| US20130329398A1 (en) | Direct type backlight module structure | |
| KR20140050500A (en) | Backlight module | |
| US20160370515A1 (en) | Color filter substrate, touch panel and curing device | |
| KR101708393B1 (en) | Light leakage preventing surface light emitting device using light emitting diode | |
| KR20070108712A (en) | Back light unit | |
| CN209674761U (en) | A kind of backlight module and display equipment | |
| CN103712127A (en) | Light source assembly, backlight module and display device | |
| CN101418917A (en) | Backlight module structure and display device thereof | |
| CN201788335U (en) | Direct-type liquid crystal module using high-power LED as light source | |
| CN110488531A (en) | A kind of backlight module and liquid crystal display device | |
| CN208569259U (en) | Can local dimming display equipment | |
| CN205227061U (en) | Backlight unit , display module assembly and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |