CN104698680A - Module and display equipment - Google Patents
Module and display equipment Download PDFInfo
- Publication number
- CN104698680A CN104698680A CN201510105749.7A CN201510105749A CN104698680A CN 104698680 A CN104698680 A CN 104698680A CN 201510105749 A CN201510105749 A CN 201510105749A CN 104698680 A CN104698680 A CN 104698680A
- Authority
- CN
- China
- Prior art keywords
- light
- light source
- quantum dot
- module
- diaphragm
- 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.)
- Pending
Links
Classifications
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Landscapes
- 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)
Abstract
The invention provides a module and display equipment, and solves the technical problem that the light emergent efficiency is low in the existing scheme for providing white backlight for a liquid crystal television by a blue light stimulation quantum dot material. The module comprises a first light source and a quantum dot membrane, wherein light emitted by the first light source excites the quantum dot membrane to generate exciting light; the exciting light and the light emitted by the first light source are mixed into white backlight; a semi-reflecting and semi-transmitting membrane is arranged between the first light source and the quantum dot membrane and is used for transmitting the light emitted by the first light source and reflecting backward scattered light of the exciting light; the backwards scattered exciting light is reflected by the semi-reflecting and semi-transmitting membrane to the light emitting direction of the first light source, so that the backwards scattered exciting light can be used for generating the backlight of the liquid crystal television; therefore, the utilization rate of light rays is increased, and the luminous efficiency of the module is improved.
Description
Technical field
The present invention relates to LCD TV backlight technical field, particularly relate to the display device of a kind of module and this module of use.
Background technology
The colour gamut that current LCD TV on the market can show is at 68%-72%NTSC(National Television Standards Committee) between, thus the color effect of high-quality can not be provided.
For improving the performance colour gamut of LCD TV, high colour gamut backlight technology is just becoming the emphasis of research in industry.The backlighting scheme that can realize high colour gamut in industry is at present: use blue-light excited quanta point material to produce white light, its colour gamut shown can reach more than 100%NTSC.When the program being applied to full run-down type LCD TV, as shown in Figure 1, normally quanta point material is encapsulated in diaphragm and forms quantum dot diaphragm 102, this quantum dot diaphragm is as a diaphragm of LCD TV backlight module, be placed on the top of diffuser plate 103, the below of other all blooming pieces 101; After this quantum dot diaphragm 102 of blue-light source 104 directive, the quanta point material in excitation quantum point diaphragm 102 sends red exciting light and green exciting light, and the blue light sent with blue-light source 104 is combined into the white backlight that LCD TV needs.
Inventor finds, quanta point material is be stimulated to produce the fluorescent material of fluorescence, fluorescent material is stimulated the fluorescence sent, as shown in Figure 2, forward scattering (scattered light in the same way luminous with incident light) and back scattering (scattered light reverse with incident light luminescence) can occur, and exciting light quanta point material being stimulated send there occurs loss; Therefore, existingly blue-light excited quantum dot diaphragm is utilized to provide in the scheme of white backlight for LCD TV, owing to there is backward scattered light, it certainly exists the low problem of light utilization, thus have influence on the light extraction efficiency of quantum dot diaphragm, and then have influence on the light extraction efficiency of overall LCD TV backlight, reduce the brightness of display module.
Summary of the invention
The object of this invention is to provide a kind of module and display device, to solve in prior art the technical matters using blue-light excited quanta point material to provide the light extraction efficiency that exists in the scheme of white backlight low for LCD TV.
The object of the invention is to be achieved through the following technical solutions:
Propose a kind of module, comprise the first light source and quantum dot diaphragm, quantum dot diaphragm described in the light directive that described first light source sends, and excite described quantum dot diaphragm to produce exciting light, the light that described exciting light and described first light source send is mixed into white backlight; A part reflective semitransparent film sheet is provided with between described first light source and described quantum dot diaphragm; Described half-reflection and half-transmission diaphragm is used for the light that described in transmission, the first light source sends, and reflects the rear orientation light of described exciting light.
Also propose a kind of module, comprise the first light source and quantum dot diaphragm, described quantum dot diaphragm comprises the first water oxygen barrier layer, the second water oxygen barrier layer and quantum dot coating layer; Described quantum dot coating layer is between described first water oxygen barrier layer and described second water oxygen barrier layer; Excite described quantum dot coating layer to produce exciting light after first water oxygen barrier layer described in the light transmission that described first light source sends, the light that described exciting light and described first light source send is mixed into white backlight; Reflection horizon is provided with between described first water oxygen barrier layer and described quantum dot coating layer; The light that described in the transmission of described reflection horizon, the first light source sends, and the rear orientation light reflecting described exciting light.
A kind of display device is proposed, comprise module, described module comprises the first light source and quantum dot diaphragm, quantum dot diaphragm described in the light directive that described first light source sends, and exciting described quantum dot diaphragm to produce exciting light, the light that described exciting light and described first light source send is mixed into white backlight; A part reflective semitransparent film sheet is provided with between described first light source and described quantum dot diaphragm; Described half-reflection and half-transmission diaphragm is used for the light that described in transmission, the first light source sends, and reflects the rear orientation light of described exciting light.
Also propose a kind of display device, comprise module, described module comprises the first light source and quantum dot diaphragm, and described quantum dot diaphragm comprises the first water oxygen barrier layer, the second water oxygen barrier layer and quantum dot coating layer; Described quantum dot coating layer is between described first water oxygen barrier layer and described second water oxygen barrier layer; Excite described quantum dot coating layer to produce exciting light after first water oxygen barrier layer described in the light transmission that described first light source sends, the light that described exciting light and described first light source send is mixed into white backlight; Reflection horizon is provided with between described first water oxygen barrier layer and described quantum dot coating layer; The light that described in the transmission of described reflection horizon, the first light source sends, and the rear orientation light reflecting described exciting light.
Embodiment of the present invention technical scheme, its technique effect had or advantage are: the present invention propose module and display device in, after the light directive quantum dot diaphragm that first light source sends, quanta point material in excitation quantum point diaphragm, exciting light is sent after quanta point material is stimulated, by the impact of relation between quanta point material particle diameter and emission wavelength, the light that this quantum dot diaphragm of a part of transmission of exciting light and the first light source send is mixed into white backlight, and the direction of another part bounce back first light source luminescent; Given this, at quantum dot diaphragm and the first light source, such as blue-light source, between a part reflective semitransparent film sheet is set, the light that this half-reflection and half-transmission diaphragm transmissive first light source sends, and reflected excitation light is refracted back the rear orientation light in the first light source luminescent direction, make backward scattered light be again reflected back the first light source luminescent direction again, from quantum dot diaphragm, transmission is gone out and is mixed into white backlight with the first light source; After this part rear orientation light is re-used, improve the light extraction efficiency of quantum dot diaphragm, and then improve the utilization factor of light, improve the light extraction efficiency of the backlight that module provides, finally achieve module brightness and send out lifting.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing high colour gamut module;
Fig. 2 is the light source optical path schematic diagram of existing high colour gamut module;
Fig. 3 is the structural representation of the module that the embodiment of the present invention proposes;
Fig. 4 is the spectrum schematic diagram in the diaphragm that proposes of the present invention or reflection horizon;
Fig. 5 is the quantum dot diaphragm structure schematic diagram that the embodiment of the present invention proposes.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with accompanying drawing, the technical scheme that the embodiment of the present invention provides is described in detail.
Embodiment one
As shown in Figure 3, for the structural representation of the module that the embodiment of the present invention proposes, this module comprises quantum dot diaphragm 1, first light source 2, between the first light source 2 and quantum dot diaphragm 1, optical substrate 3 can also be set, optical substrate can be diffuser plate or light guide plate, also can arrange a reflector plate 4 in the lower floor of the first light source 2, the upper strata of quantum dot diaphragm 1 can arrange various blooming piece 5.
The light that first light source 2 sends, after the diffusion or leaded light of diffuser plate or light guide plate, directive quantum dot diaphragm 1, the quanta point material in excitation quantum point diaphragm sends exciting light; This part of exciting light part transmission quantum dot diaphragm 1(is called the forward scattering light of exciting light), and finally white backlight is mixed into, for LCD TV provides backlight with the first light source after other blooming piece; And the direction (this part is called the rear orientation light of exciting light) of another part bounce back first light source 2 luminescence; Between the first light source 2 and quantum dot diaphragm 1, half-reflection and half-transmission diaphragm 6 is provided with in the present embodiment; The light that this half-reflection and half-transmission diaphragm 6 transmissive first light source 2 sends, and reflected excitation light is refracted back the rear orientation light of the first light source 2 light emission direction.
Be provided with quanta point material in quantum dot diaphragm, the quanta point material in the embodiment of the present invention is made up of red quantum point material and green quanta point material.First light source 2 is blue-light source.
After the first blue light source 2 directive quantum dot diaphragm 1, the quanta point material of ruddiness and green glow can be sent after being stimulated in excitation quantum point diaphragm, send red exciting light after red quantum point material is stimulated, after green quanta point material is stimulated, send green exciting light.The particle diameter of red quantum point material is about 7nm, the particle diameter of green quanta point material is approximately 3nm, compared to red light wavelength and green wavelength, the ratio of particle diameter and wavelength is substantially about 1/100, therefore in the red exciting light inspired and green exciting light, have only about half of generation back scattering, about second half generation forward scattering and blue light synthesize white light, become the backlight that module provides.
By backward scattered exciting light, directive is arranged on the half-reflection and half-transmission diaphragm 6 between the first light source 2 and quantum dot diaphragm 1, the blue light that half-reflection and half-transmission diaphragm 6 is sent by transmissive first light source 2, and the material of the rear orientation light of reflection Red exciting light and green exciting light is made, therefore again reflected to quantum dot diaphragm 1 by backward scattered red exciting light and green exciting light by half-reflection and half-transmission diaphragm 6, and transmission quantum dot diaphragm 1, synthesize white light with blue light, also become the backlight that module provides.
Half-reflection and half-transmission diaphragm 6 and quantum dot diaphragm are fitted and are arranged, and avoid the loss of backward heat radiation light in transmission way, more multiple rear orientation light can be reflected, to provide more white backlight.
As shown in Figure 4, for the spectral reflectance curve schematic diagram of half-reflection and half-transmission diaphragm 6, in figure, solid line lines are the spectrum of back scattering light, dashed lines is the reflectivity of each wave band of this half-reflection and half-transmission diaphragm 6, as seen from the figure, except blue wave band (476nm-495nm), the light reflectance of half-reflection and half-transmission diaphragm 6 to its all band is 1, therefore, the light of its all band all can be reflected back.
Compared in prior art, generation could not be utilized by backward scattered exciting light and become white backlight, in the embodiment of the present invention, by backward scattered exciting light, again reflected to quantum dot diaphragm by half-reflection and half-transmission diaphragm, also the direction of the first light source luminescent has namely been reflected back, and transmission quantum dot diaphragm mixes with the first light source and generates white backlight, and the ratio of the light of this part light ratio forward scattering is suitable, the utilization factor of light can be significantly improved, improve the light extraction efficiency of quantum dot diaphragm, and then reach the technique effect of the light extraction efficiency improving overall module, improve the backlight illumination of module.
Based on above-mentioned module, the embodiment of the present invention proposes a kind of display device accordingly, and the backlight of this display device is provided by above-mentioned module, the backlight therefore provided by above-mentioned module, and not only light extraction efficiency is high, can also improve this display device backlight illumination; This display device can be LCD TV, can be also only LCDs, the embodiment of the present invention will not limit.
Embodiment two
The embodiment of the present invention also proposes a kind of module, this module is with embodiment one, also the first light source and quantum dot diaphragm is comprised, between the first light source and quantum dot diaphragm, diffuser plate or light guide plate can also be set, also can arrange a reflector plate in the lower floor of the first light source, the upper strata of quantum dot diaphragm can arrange various blooming pieces etc.
As shown in Figure 5, quantum dot diaphragm comprises the first water oxygen barrier layer 11, second water oxygen barrier layer 12 and quantum dot coating layer 13; Quantum dot coating layer 13 is between the first water oxygen barrier layer 11 and the second water oxygen barrier layer 12; After the light transmission first water oxygen barrier layer 11 that first light source sends, excitation quantum point coating layer sends exciting light; This part of exciting light part transmission second water oxygen barrier layer 12(is called the forward scattering light of exciting light), the direction (this part is called the rear orientation light of exciting light) of another part bounce back first water oxygen barrier layer 11; Reflection horizon 14 is provided with between the first water oxygen barrier layer 11 and quantum dot coating layer 13; The light that reflection horizon 14 transmissive first light source sends, and reflected excitation light is refracted back the rear orientation light in the first water oxygen barrier layer 11 direction.
Be coated with quanta point material in quantum dot coating layer 13, the quanta point material in the embodiment of the present invention is made up of red quantum point material and green quanta point material.First light source is blue-light source.
After the first blue light source 2 directive quantum dot diaphragm 1, through the quanta point material that can send ruddiness and green glow after being stimulated on excitation quantum coating layer 13 after the first water oxygen barrier layer 11, send red exciting light after red quantum point material is stimulated, after green quanta point material is stimulated, send green exciting light.The particle diameter of red quantum point material and green quanta point material is generally 3nm-7nm, compared to red light wavelength and green wavelength, the ratio of particle diameter and wavelength is substantially about 1/100, therefore in the red exciting light inspired and green exciting light, there is only about half of generation back scattering, about there is forward scattering and through the second water oxygen barrier layer 12, synthesize white light with blue light in second half, becomes the backlight that module provides.
By backward scattered exciting light, directive is arranged on the reflection horizon 14 between the first water oxygen barrier layer 11 and quantum dot coating layer 13.The blue light that reflection horizon 14 is sent by transmissive first light source, and the material that reflection Red exciting light and green exciting light are refracted back the rear orientation light in the first water oxygen barrier layer 11 direction is made, therefore again reflected to quantum spot printing layer of cloth 14 by backward scattered red exciting light and green exciting light by reflection horizon 14, and transmission quantum dot coating layer 14 and the second water oxygen barrier layer 12, synthesize white light with blue light, also become the backlight that module provides.
Equally as shown in Figure 4, the spectral reflectance curve schematic diagram in reflection horizon 14, in figure, solid line lines are the spectrum of back scattering light, dashed lines is the reflectivity of this each wave band in reflection horizon 14, as seen from the figure, except blue wave band (476nm-495nm), the light reflectance of reflection horizon to its all band is 1, therefore, the light of its all band all can be reflected back.
Compared in prior art, generation could not be utilized by backward scattered exciting light and become white backlight, in the embodiment of the present invention, by backward scattered exciting light, again by reflective layer reflects to the second water oxygen barrier layer, also the direction of the first light source luminescent has namely been reflected back, and transmission second water oxygen barrier layer, mix with the first light source and generate white backlight, become as LCD TV provides the part of white backlight, and the ratio of the light of this part light ratio forward scattering is suitable, the utilization factor of light can be significantly improved, improve the light extraction efficiency of quantum dot diaphragm, and then reach the technique effect of the light extraction efficiency improving overall module, improve the backlight illumination of module.
Based on above-mentioned module, the embodiment of the present invention proposes a kind of display device accordingly, and the backlight of this display device is provided by above-mentioned module, the backlight therefore provided by above-mentioned module, and not only light extraction efficiency is high, can also improve this display device backlight illumination; This display device can be LCD TV, can be also only LCDs, the embodiment of the present invention will not limit.
The embodiment of the present invention propose module and display device in, the first light source and be stimulated can send fluorescence quanta point material between, increase one deck blooming piece or reflection horizon, its transmissive first light source, and the back scattering part of the exciting light sent by the quanta point material after the first light source activation is re-started reflection utilization, improve the utilization factor of light significantly, improve the luminescence efficiency of module, and then achieve the technique effect improving the brightness of high colour gamut liquid crystal module group backlight.
The luminescent composition that the known blue led of those skilled in the art adds red green quantum dot also can be added the different luminescent composition such as red quantum point and substitute by bluish-green LED, this case is not repeated at this.
Those of skill in the art would appreciate that technical scheme provided by the present invention is not only applicable to straight-down negative module, the program is equally applicable to the backlight module of side entering type, and the present invention does not limit at this.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a module, comprises the first light source and quantum dot diaphragm, quantum dot diaphragm described in the light directive that described first light source sends, and excites described quantum dot diaphragm to produce exciting light, and the light that described exciting light and described first light source send is mixed into white backlight; It is characterized in that, between described first light source and described quantum dot diaphragm, be provided with a part reflective semitransparent film sheet; Described half-reflection and half-transmission diaphragm is used for the light that described in transmission, the first light source sends, and reflects the rear orientation light of described exciting light.
2. module according to claim 1, is characterized in that, is provided with quanta point material in described quantum dot diaphragm; Described quanta point material is made up of red quantum point material and green quanta point material.
3. module according to claim 1, is characterized in that, is provided with diffuser plate or light guide plate between described first light source and described quantum dot diaphragm.
4. module according to claim 1, is characterized in that, described first light source is blue-light source.
5. a module, comprises the first light source and quantum dot diaphragm, and described quantum dot diaphragm comprises the first water oxygen barrier layer, the second water oxygen barrier layer and quantum dot coating layer; Described quantum dot coating layer is between described first water oxygen barrier layer and described second water oxygen barrier layer; Excite described quantum dot coating layer to produce exciting light after first water oxygen barrier layer described in the light transmission that described first light source sends, the light that described exciting light and described first light source send is mixed into white backlight; It is characterized in that, between described first water oxygen barrier layer and described quantum dot coating layer, be provided with reflection horizon; The light that described in the transmission of described reflection horizon, the first light source sends, and the rear orientation light reflecting described exciting light.
6. module according to claim 5, is characterized in that, described quantum dot coating layer is coated with red quantum point material and green quanta point material.
7. module according to claim 5, is characterized in that, is provided with diffuser plate or light guide plate between described first light source and described quantum dot diaphragm.
8. module according to claim 5, is characterized in that, described first light source is blue-light source.
9. a display device, is characterized in that, comprises the module as described in any one of claim 1-4 claim.
10. a display device, is characterized in that, comprises the module as described in any one of claim 5-8 claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105749.7A CN104698680A (en) | 2015-03-11 | 2015-03-11 | Module and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510105749.7A CN104698680A (en) | 2015-03-11 | 2015-03-11 | Module and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104698680A true CN104698680A (en) | 2015-06-10 |
Family
ID=53345974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510105749.7A Pending CN104698680A (en) | 2015-03-11 | 2015-03-11 | Module and display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104698680A (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914622A (en) * | 2015-06-10 | 2015-09-16 | 青岛海信电器股份有限公司 | Quantum dot light generating device and backlight module |
| CN105301836A (en) * | 2015-11-10 | 2016-02-03 | 青岛海信电器股份有限公司 | Direct-lit type backlight module and display device |
| CN105511012A (en) * | 2016-02-25 | 2016-04-20 | 福州大学 | Light guide structure for implementing polarization collimation surface light sources |
| CN105974666A (en) * | 2016-07-07 | 2016-09-28 | 京东方科技集团股份有限公司 | Display device |
| CN107861291A (en) * | 2017-10-24 | 2018-03-30 | 华为技术有限公司 | Backlight module, display screen and terminal |
| CN107942573A (en) * | 2017-11-20 | 2018-04-20 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| CN108089372A (en) * | 2017-12-08 | 2018-05-29 | 青岛海信电器股份有限公司 | Side entrance back module and liquid crystal display device |
| CN108227305A (en) * | 2018-01-26 | 2018-06-29 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN108279532A (en) * | 2018-01-26 | 2018-07-13 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN109001936A (en) * | 2017-06-06 | 2018-12-14 | 群创光电股份有限公司 | Light source module and display device |
| WO2019144557A1 (en) * | 2018-01-26 | 2019-08-01 | 青岛海信电器股份有限公司 | Liquid crystal display device |
| CN110389472A (en) * | 2018-04-19 | 2019-10-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and display device |
| CN110828686A (en) * | 2018-08-10 | 2020-02-21 | 咸阳彩虹光电科技有限公司 | Self-luminous display structure and display device |
| CN111240094A (en) * | 2020-03-12 | 2020-06-05 | 京东方科技集团股份有限公司 | Area light source |
| CN112305816A (en) * | 2020-11-06 | 2021-02-02 | 深圳Tcl新技术有限公司 | Composite diaphragm, backlight module and display device |
| WO2021047023A1 (en) * | 2019-09-12 | 2021-03-18 | 武汉华星光电技术有限公司 | Backlight module |
| CN114019723A (en) * | 2021-11-12 | 2022-02-08 | 惠州视维新技术有限公司 | Backlight module, display device and manufacturing method of backlight module |
| CN114755861A (en) * | 2022-06-15 | 2022-07-15 | 广东欧迪明光电科技股份有限公司 | High-efficiency quantum dot optical substrate and preparation method thereof |
| CN114973927A (en) * | 2022-06-09 | 2022-08-30 | 深圳创维－Rgb电子有限公司 | Backlight module and display |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451673A (en) * | 2007-12-07 | 2009-06-10 | 索尼株式会社 | Illumination apparatus, color conversion device, and display apparatus |
| CN103090277A (en) * | 2013-01-30 | 2013-05-08 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103228983A (en) * | 2010-11-10 | 2013-07-31 | 纳米系统公司 | Quantum dot films, lighting devices, and lighting methods |
| EP2840438A1 (en) * | 2013-08-23 | 2015-02-25 | Samsung Electronics Co., Ltd | Backlight unit comprising a quantum-dot layer and an optical filter and liquid crystal display apparatus including the backlight unit |
-
2015
- 2015-03-11 CN CN201510105749.7A patent/CN104698680A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451673A (en) * | 2007-12-07 | 2009-06-10 | 索尼株式会社 | Illumination apparatus, color conversion device, and display apparatus |
| CN103228983A (en) * | 2010-11-10 | 2013-07-31 | 纳米系统公司 | Quantum dot films, lighting devices, and lighting methods |
| CN103090277A (en) * | 2013-01-30 | 2013-05-08 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| EP2840438A1 (en) * | 2013-08-23 | 2015-02-25 | Samsung Electronics Co., Ltd | Backlight unit comprising a quantum-dot layer and an optical filter and liquid crystal display apparatus including the backlight unit |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914622B (en) * | 2015-06-10 | 2018-10-09 | 青岛海信电器股份有限公司 | Quantum dot light emitting device and backlight module |
| CN104914622A (en) * | 2015-06-10 | 2015-09-16 | 青岛海信电器股份有限公司 | Quantum dot light generating device and backlight module |
| CN105301836A (en) * | 2015-11-10 | 2016-02-03 | 青岛海信电器股份有限公司 | Direct-lit type backlight module and display device |
| CN105511012A (en) * | 2016-02-25 | 2016-04-20 | 福州大学 | Light guide structure for implementing polarization collimation surface light sources |
| CN105974666A (en) * | 2016-07-07 | 2016-09-28 | 京东方科技集团股份有限公司 | Display device |
| CN109001936A (en) * | 2017-06-06 | 2018-12-14 | 群创光电股份有限公司 | Light source module and display device |
| CN107861291A (en) * | 2017-10-24 | 2018-03-30 | 华为技术有限公司 | Backlight module, display screen and terminal |
| CN107942573A (en) * | 2017-11-20 | 2018-04-20 | 深圳市华星光电技术有限公司 | Liquid crystal display |
| CN107942573B (en) * | 2017-11-20 | 2020-07-28 | 深圳市华星光电技术有限公司 | Liquid crystal display device with a light guide plate |
| CN108089372A (en) * | 2017-12-08 | 2018-05-29 | 青岛海信电器股份有限公司 | Side entrance back module and liquid crystal display device |
| CN108227305A (en) * | 2018-01-26 | 2018-06-29 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN108279532A (en) * | 2018-01-26 | 2018-07-13 | 青岛海信电器股份有限公司 | Backlight module and display device |
| WO2019144557A1 (en) * | 2018-01-26 | 2019-08-01 | 青岛海信电器股份有限公司 | Liquid crystal display device |
| US10788704B2 (en) | 2018-01-26 | 2020-09-29 | Hisense Visual Technology Co., Ltd. | Liquid crystal display device |
| CN110389472A (en) * | 2018-04-19 | 2019-10-29 | 鸿富锦精密工业（深圳）有限公司 | Backlight module and display device |
| CN110828686A (en) * | 2018-08-10 | 2020-02-21 | 咸阳彩虹光电科技有限公司 | Self-luminous display structure and display device |
| WO2021047023A1 (en) * | 2019-09-12 | 2021-03-18 | 武汉华星光电技术有限公司 | Backlight module |
| CN111240094A (en) * | 2020-03-12 | 2020-06-05 | 京东方科技集团股份有限公司 | Area light source |
| CN111240094B (en) * | 2020-03-12 | 2022-12-09 | 京东方科技集团股份有限公司 | Area light source |
| CN112305816A (en) * | 2020-11-06 | 2021-02-02 | 深圳Tcl新技术有限公司 | Composite diaphragm, backlight module and display device |
| CN114019723A (en) * | 2021-11-12 | 2022-02-08 | 惠州视维新技术有限公司 | Backlight module, display device and manufacturing method of backlight module |
| CN114973927A (en) * | 2022-06-09 | 2022-08-30 | 深圳创维－Rgb电子有限公司 | Backlight module and display |
| CN114755861A (en) * | 2022-06-15 | 2022-07-15 | 广东欧迪明光电科技股份有限公司 | High-efficiency quantum dot optical substrate and preparation method thereof |
| CN114755861B (en) * | 2022-06-15 | 2023-01-06 | 广东欧迪明光电科技股份有限公司 | High-efficiency quantum dot optical substrate and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104698680A (en) | Module and display equipment | |
| JP5399252B2 (en) | Lighting system and display device | |
| US7859175B2 (en) | Illuminating device, display device and optical film | |
| US10408426B2 (en) | Method and apparatus to enhance spectral purity of a light source | |
| CN107121841B (en) | It is a kind of for the light conversion film of backlight module, backlight module and display equipment | |
| CN104932142A (en) | Quantum dot luminescent device and backlight module | |
| CN206848649U (en) | A kind of optical film, backlight module and display device for backlight module | |
| WO2018113316A1 (en) | Direct backlight module and liquid crystal display device | |
| CN105202483A (en) | Backlight module and display device | |
| CN102640309B (en) | Backlight arrangement, the light emitting diode using the liquid crystal indicator of this backlight arrangement and use in them | |
| CN201666514U (en) | Backlight module | |
| CN206848648U (en) | A kind of backlight module and display device | |
| KR20170074947A (en) | Quantum dot backlight module and display device | |
| CN101162745A (en) | High-efficiency fluorescent converted LED light source and backlight module | |
| CN105301836A (en) | Direct-lit type backlight module and display device | |
| CN105301841A (en) | Backlight module and liquid crystal display equipment | |
| CN107703676A (en) | A kind of optical film assembly, backlight module and display device | |
| CN106990613A (en) | A kind of backlight | |
| CN207799291U (en) | A kind of high colour gamut illuminating module | |
| CN210605291U (en) | Backlight module and liquid crystal display device | |
| CN102810288B (en) | Backlight assembly and the display device including this backlight assembly | |
| CN206946014U (en) | A kind of optical film assembly, backlight module and display device | |
| CN106200115A (en) | Backlight module and display device | |
| CN106773322B (en) | Backlight module and double-sided liquid crystal display | |
| CN104698682A (en) | Module and liquid crystal 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
|
| RJ01 | Rejection of invention patent application after publication |