WO2021042539A1 - Affichage de points quantiques - Google Patents

Affichage de points quantiques Download PDF

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Publication number
WO2021042539A1
WO2021042539A1 PCT/CN2019/117606 CN2019117606W WO2021042539A1 WO 2021042539 A1 WO2021042539 A1 WO 2021042539A1 CN 2019117606 W CN2019117606 W CN 2019117606W WO 2021042539 A1 WO2021042539 A1 WO 2021042539A1
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WO
WIPO (PCT)
Prior art keywords
quantum dot
light
polarizer
polarized light
diffusion
Prior art date
Application number
PCT/CN2019/117606
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English (en)
Chinese (zh)
Inventor
周淼
林旭林
Original Assignee
Tcl华星光电技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tcl华星光电技术有限公司 filed Critical Tcl华星光电技术有限公司
Publication of WO2021042539A1 publication Critical patent/WO2021042539A1/fr

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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
    • G02F1/133528—Polarisers
    • 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
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes

Definitions

  • This application relates to the field of display technology, and in particular to a quantum dot display with optimized viewing angles.
  • liquid crystal displays Liquid Crystal Display, abbreviated as LCD
  • LCD liquid crystal display
  • Most of the existing liquid crystal displays on the market are backlit liquid crystal displays, which include a back plate (BP), a liquid crystal display panel (Panel), and a back light unit (BLU).
  • the liquid crystal display panel is usually composed of a color filter (CF) substrate, a thin film transistor (Thin Film Transistor, TFT for short) array substrate and a liquid crystal layer (Liquid Crystal Layer, referred to as LCL).
  • a polarizer Polarizer, POL for short
  • POL Planarizer
  • the liquid crystal display panel controls the rotation direction of the liquid crystal molecules by changing the signal and voltage on the TFT, so as to control whether the polarized light of each pixel point is emitted or not, and realizes the penetration and blocking of the light path through the polarizer to achieve the purpose of displaying the picture .
  • the backlight module usually uses light-emitting diodes (Light Emitting Diode, abbreviated as LED) as the backlight source.
  • High color gamut means that the display screen has more colorful colors and a stronger color display ability.
  • the backlight since the display panel itself does not emit light, it is necessary to start with the backlight to improve the color gamut, that is, to improve the purity of the backlight, especially the purity of the three primary colors (red, green, and blue).
  • Quantum Dot-Open Cell is an innovative semiconductor nanocrystal technology, which can accurately transmit light, efficiently improve the color gamut value and viewing angle of the display, make colors more pure and bright, and make color performance more tense .
  • the core is that quantum dots with a diameter between 2-10 nanometers will excite different colors of monochromatic light when subjected to photoelectric stimulation according to the size of the quantum dot diameter. Therefore, compared with the original display technology, the quantum dot display The RGB primary colors will be more pure. For example, quantum dots with a size of 2nm can absorb long-wave red and show blue; quantum dots with a size of 8nm can absorb short-wave blue and show red. Liquid crystal displays using this technology can not only produce dynamic colors with a wider color gamut, but also show real color palettes in image quality, surpassing the traditional backlight technology.
  • the purpose of this application is to provide a quantum dot display, which can increase the viewing angle of blue light and improve the problem of large viewing angle deviation of the quantum dot display.
  • the present application provides a quantum dot display, including a display panel; the quantum dot display further includes: a first polarizer disposed above the display panel; and a second polarizer configured Under the display panel; a quantum dot film is arranged under the second polarizer; the absorption axis of the first polarizer forms a first angle with the vertical polarized light in an incident light to absorb perpendicular Polarized light; the absorption axis of the second polarizer is at a second angle with the vertical polarized light in the incident light to absorb horizontally polarized light, wherein the second angle is greater than the first angle, and the vertical
  • the light diffusion effect of polarized light is greater than that of the horizontally polarized light; a plurality of diffusion particles are used to diffuse the incident light; and a reflective polarization brightness enhancement film is arranged on the quantum dot film and the Between the second polarizer.
  • the present application further provides a quantum dot display, including a display panel; the quantum dot display further includes a first polarizer arranged in the back light emitting direction: a first polarizer arranged above the display panel; A second polarizer is arranged under the display panel; a quantum dot film is arranged under the second polarizer; the absorption axis of the first polarizer is in the form of a vertical polarized light in the incident light A first angle to absorb vertically polarized light; and the absorption axis of the second polarizer forms a second angle with the vertical polarized light in the incident light to absorb horizontally polarized light, wherein the second angle is greater than the At the first angle, the light diffusion effect of the vertically polarized light is greater than the light diffusion effect of the horizontally polarized light.
  • This application restricts the relationship between the absorption axis of the polarizer and the direction of polarized light, adjusts the microstructure of the polarizer, and controls the polarizer to absorb polarized light without diffusion effect, transmit polarized light with diffusion effect, and finally achieve diffusion The effect of blue light. Therefore, the quantum dot display of the present application can effectively increase the viewing angle of blue light, improve the common problem of large viewing angle deviation, and achieve the effects of high brightness, large viewing angle, and low color shift.
  • 1A is a schematic diagram of a simulation model of the second polarizer absorption axis setting and incident light diffusion of the quantum dot display of the present invention
  • Figure 1B is a simulation model of horizontally polarized light diffusion
  • Figure 1C is a simulation model of vertical polarized light diffusion
  • 2A is a schematic diagram of a partial film structure of the first embodiment of the quantum dot display of the present invention.
  • 2B is a schematic diagram of a part of the film structure of the second embodiment of the quantum dot display of the present invention.
  • 2C is a schematic diagram of a part of the film structure of the third embodiment of the quantum dot display of the present invention.
  • 3A is a schematic diagram of a part of the film structure of the fourth embodiment of the quantum dot display of the present invention.
  • 3B is a schematic diagram of a part of the film structure of the fifth embodiment of the quantum dot display of the present invention.
  • 3C is a schematic diagram of a part of the film structure of the sixth embodiment of the quantum dot display of the present invention.
  • the “above” or “below” of the first feature on the second feature may include the first and second features in direct contact, or may include the first and second features. Not in direct contact but through other features between them.
  • “above”, “above” and “above” the first feature include the first feature directly above and obliquely above the second feature, or it simply means that the first feature is higher in level than the second feature.
  • the first feature is "below”, “below” and “below” the second feature, including the first feature directly below and obliquely below the second feature, or it simply means that the first feature has a lower level than the second feature.
  • the quantum dot display of the present application includes a display panel; the quantum dot display also includes a first polarizer disposed above the display panel; the quantum dot display further includes a first polarizer disposed above the display panel; and a second polarizer disposed on the Below the display panel; a quantum dot film arranged below the second polarizer; the absorption axis of the first polarizer forms a first angle with the vertical polarized light in the incident light, so as to absorb the vertical polarized light; The absorption axis of the second polarizer forms a second angle with the vertically polarized light in the incident light to absorb horizontally polarized light, wherein the second angle is greater than the first angle, and the vertically polarized light diffuses The effect is greater than the light diffusion effect of the horizontally polarized light
  • the direction of the absorption axis is the polarization angle of the polarizer.
  • the light at the position parallel to the absorption axis will be absorbed by the polarizer, and the light at the vertical position of the absorption axis can pass through.
  • the first angle is 0 degrees
  • the second angle is 90 degrees.
  • This application restricts the relationship between the absorption axis of the polarizer and the direction of polarized light, adjusts the microstructure of the polarizer, and controls the polarizer to absorb polarized light without diffusion effect, transmit polarized light with diffusion effect, and finally achieve diffusion The effect of blue light. Therefore, the quantum dot display of the present application can effectively increase the viewing angle of blue light, improve the common problem of large viewing angle deviation, and achieve the effects of high brightness, large viewing angle, and low color shift.
  • the display panel may include an array substrate, and a color filter substrate disposed above the array substrate; the first polarizer is disposed above the color filter substrate, and the second polarizer is disposed below the array substrate ;
  • the polarization direction of the polarizer on the array substrate side is limited to 0 degrees (that is, the first The absorption axis of a polarizer is parallel to the vertical polarized light), which can effectively improve the brightness of the polarizer of the quantum dot display, effectively increase the viewing angle of blue light, and improve the problem of large-view role deviation.
  • the quantum dot film includes a light-emitting core, an inorganic protective shell layer and an organic layer.
  • the green light material in the light-emitting core includes one or more combinations of ZnCdSe 2 , InP, and Cd 2 SSe; the red light material in the light-emitting core includes one or more combinations of CdSe, Cd 2 SeTe, and InAs;
  • the inorganic protective shell layer material includes one or more combinations of CdS, ZnSe, ZnCdS 2 , ZnS, and ZnO; the organic layer adopts a transparent resin material.
  • the quantum dot film may also include other high-stability composite quantum dots (for example, hydrogel loaded QD structure, QD@MOFs, CdSe-SiO 2, etc.).
  • the quantum dot film may comprise II-VI A further quantum dots nanorods fluorescence polarization properties, III-V A quantum dot nanorods, Dot-in-rod core-shell quantum dot structure nanorods, dual emission quantum dot material, Three-emitting quantum dot materials, as well as perovskite quantum dots, etc.
  • the quantum dot display of the present application further includes: a plurality of diffusion particles for diffusing incident light.
  • the brightness of the quantum dot display can be effectively improved by adjusting the microstructure of the polarizer, and the light diffusion function can be improved by diffusing particles.
  • the diffusion particles can be mixed in the film layer of the quantum dot film, or can be placed in a resin system outside the quantum dot film to improve the light diffusion function.
  • the high-efficiency quantum dot display combined with the light expansion design can make the quantum dot display achieve better effects of high brightness, large viewing angle, and low color shift.
  • the material of the diffusion particles is an organic material or an inorganic material, the size of the diffusion particles is nanometer or micrometer, and the diffusion particles can be isotropic or anisotropic.
  • the quantum dot display of the present application can be further equipped with a reflective polarizing brightness enhancement film (Dual Brightness Enhancement Film, DBEF for short).
  • DBEF Digital Brightness Enhancement Film
  • DBEF converts part of the horizontally polarized light into vertically polarized light, which further improves the transmittance of the polarizer while maintaining the diffusion effect.
  • the high-efficiency quantum dot display combined with the light expansion and brightness enhancement film design can make the quantum dot display achieve better effects of high brightness, large viewing angle, and low color shift.
  • Figure 1A is a schematic diagram of the second polarizer absorption axis setting and incident light diffusion simulation model of the quantum dot display of the application
  • Figure 1B is the horizontally polarized light diffusion simulation model
  • Figure 1C is the vertically polarized light diffusion simulation model model.
  • This embodiment illustrates the second polarizer 12 of the quantum dot display, and the quantum dot display further includes diffusion particles 13.
  • incident light can be divided into horizontal (observation angle of 0 degrees) and vertical (observation angle of 90 degrees) polarized light, with horizontally polarized light 111 as the x axis, and vertical polarized light 112 as The z-axis, with the light wave's advancing direction 113 as the y-axis, defines a spatial rectangular coordinate system, as shown in Fig. 1A.
  • i x (( ⁇ 2 ⁇ ⁇ 2 ⁇ E 2 )/( ⁇ 2 ⁇ r 2 )) ⁇ sin 2 ⁇ ;
  • ⁇ is the direction of the scattered light
  • E Scattered light energy is the wavelength of incident light
  • r is the radius of the diffused particle.
  • the polarization effects of the diffuser particles 13 on the two types of polarized light are quite different: the horizontally polarized light 111 has almost no diffuse effect after passing through the diffuser particle 13, that is, the horizontally polarized light 111 passes through the diffuser particle 13.
  • the light diffusion intensity of the zx plane is close to 0, as shown in FIG. 1B; the vertically polarized light 112 passes through the diffusion particles 13 and the diffused light is spherical, which has a good light diffusion effect, as shown in FIG. 1C. That is, the light diffusion effect of the vertically polarized light 112 is greater than the light diffusion effect of the horizontally polarized light 111.
  • the polarizer only absorbs polarized light without diffusion effect, and transmits polarized light with diffusion effect, and finally achieves the effect of diffusing blue light.
  • this embodiment illustrates the second polarizer 12 of the quantum dot display, the absorption axis of which is 90 degrees to the vertical polarized light 112 in the incident light (that is, the absorption axis is parallel to the horizontally polarized light 111).
  • the vertically polarized light 112 with better diffusion effect can pass through the second polarizer 12, therefore, the incident light passes through the The diffusion effect behind the second polarizer 12 can be reflected.
  • the first polarizer (not shown in the figure) of the quantum dot display of this embodiment, its absorption axis is 0 degrees with respect to the vertical polarized light 112 in the incident light (that is, the absorption axis and the vertical polarized light 112 parallel) to absorb the vertically polarized light 112 and transmit the horizontally polarized light 111; the vertically polarized light 112 with better diffusion effect is absorbed, so the incident light passes through the first polarizer There is no polarization effect afterwards.
  • the quantum dot display of the present application can effectively increase the viewing angle of blue light, improve the common problem of large viewing angle deviation, and realize a quantum dot display with high brightness, large viewing angle, and low color shift.
  • FIGS. 2A-2C Please refer to FIGS. 2A-2C, in which FIG. 2A is a schematic diagram of a part of the film structure of the first embodiment of a quantum dot display of this application, and FIG. 2B is a schematic diagram of a part of the film structure of the second embodiment of a quantum dot display of this application, and FIG. 2C This is a schematic diagram of a part of the film structure of the third embodiment of the quantum dot display of the present application.
  • a part of the film structure of the quantum dot display in this embodiment includes a water-proof oxygen layer (Barrier Layer) 21a, a quantum dot film 22a, a second polarizer 23a, a display panel 27a, and a first polarizer 28a.
  • the water-blocking oxygen layer 21a is disposed below the quantum dot film 22a
  • the second polarizer 23a is disposed above the quantum dot film 22a
  • a plurality of diffusing particles 20a for diffusing incident light are disposed thereon.
  • the quantum dot film 22a That is, the diffusion particles 20a are mixed in the film layer of the quantum dot film 22a to improve the light diffusion function.
  • a protective layer 24a may also be disposed between the second polarizer 23a and the quantum dot film 22a.
  • the display panel 27a is disposed above the second polarizer 23a, and the first polarizer 28a is disposed above the display panel 27a.
  • an array substrate of the display panel 27a is provided on the second polarizer 23a, a color filter substrate is provided on the side of the display panel 27a opposite to the array substrate, and the color filter substrate is provided with Regarding the first polarizer 28a, the arrangement and working principle of these film structures can be referred to the prior art, which will not be repeated here.
  • the absorption axis of the second polarizer 23a of this embodiment forms a second angle with the vertical polarized light in an incident light to absorb horizontally polarized light; the first polarized light of this embodiment The absorption axis of the sheet is at a first angle with the vertically polarized light in the incident light to absorb the vertically polarized light. Therefore, the quantum dot display of the present application can effectively increase the viewing angle of blue light, improve the common problem of large viewing angle deviation, and achieve the effects of high brightness, large viewing angle, and low color shift.
  • a part of the film structure of the quantum dot display in this embodiment includes a water-blocking oxygen layer 21b, a quantum dot film, which are sequentially arranged along the light emitting direction. 22b, a diffusion layer 29b, and a second polarizer 23b.
  • the water and oxygen blocking layer 21b is disposed below the quantum dot film 22b
  • the diffusion layer 29b is disposed above the quantum dot film 22b
  • the second polarizer 23b is disposed above the diffusion layer 29b for
  • a plurality of diffusion particles 20b that diffuse incident light are arranged in the diffusion layer 29b. That is, the diffusion particles 20b are placed in the resin system outside the quantum dot film 22b to improve the light diffusion function.
  • a protective layer 24b may also be disposed between the second polarizer 23b and the quantum dot film 22b.
  • part of the film structure of the quantum dot display in this embodiment includes a diffusion layer 29c, a quantum dot film 22c and A second polarizer 23c.
  • the diffusion layer 29c is arranged below the quantum dot film 22c
  • the second polarizer 23c is arranged above the quantum dot film 22c
  • a plurality of diffusion particles 20c for diffusing incident light are arranged on the diffuser In layer 29c. That is, the diffusion particles 20c are placed in the resin system outside the quantum dot film 22c to improve the light diffusion function; at the same time, the diffusion layer 29c disposed under the quantum dot film 22c also replaces water and oxygen. Layer to protect the quantum dot film 22c.
  • a protective layer 24c may also be disposed between the second polarizer 23c and the quantum dot film 22c.
  • FIGS. 3A-3C Please refer to FIGS. 3A-3C, in which FIG. 3A is a schematic diagram of a partial film structure of the fourth embodiment of a quantum dot display of the present application, and FIG. 3B is a schematic diagram of a partial film structure of the fifth embodiment of a quantum dot display of the present application, and FIG. 3C This is a schematic diagram of a part of the film structure of the sixth embodiment of the quantum dot display of the present application.
  • the film structure of the quantum dot display in this embodiment further includes: disposed between the quantum dot film 22a and the second polarizer 23a Between a reflective polarizing brightness enhancement film 31a.
  • the reflective polarizing brightness enhancement film 31a can convert part of the horizontally polarized light into vertically polarized light, which further improves the transmittance of the polarizer while maintaining the diffusion effect.
  • the film structure of the quantum dot display in this embodiment further includes: being arranged between the diffusion layer 29b and the second polarizer 23b A reflective polarizing brightness enhancement film 31b.
  • the reflective polarizing brightness enhancement film 31b can convert part of the horizontally polarized light into vertically polarized light, which further improves the transmittance of the polarizer while maintaining the diffusion effect.
  • the film structure of the quantum dot display in this embodiment further includes: disposed between the quantum dot film 22c and the second polarizer 23c Between a reflective polarizing brightness enhancement film 31c.
  • the reflective polarizing brightness enhancement film 31c can convert part of the horizontally polarized light into vertically polarized light, which further improves the transmittance of the polarizer while maintaining the diffusion effect.
  • the subject of this application can be manufactured and used in industry and has industrial applicability.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

La présente invention concerne un affichage de points quantiques. Un axe d'absorption de lumière d'un premier polariseur de l'affichage forme un premier angle par rapport à la lumière polarisée verticalement dans la lumière incidente, de façon à absorber la lumière polarisée verticalement, et un axe d'absorption de lumière d'un second polariseur de l'affichage forme un second angle par rapport à la lumière polarisée verticalement dans la lumière incidente, de façon à absorber la lumière polarisée horizontalement. Dans l'application, des microstructures des polariseurs sont ajustées de sorte que les polariseurs sont commandés pour absorber la lumière polarisée non diffusée et pour transmettre la lumière polarisée diffusée, ce qui permet d'obtenir une diffusion de lumière bleue.
PCT/CN2019/117606 2019-09-03 2019-11-12 Affichage de points quantiques WO2021042539A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910827476.5A CN110703484A (zh) 2019-09-03 2019-09-03 一种量子点显示器
CN201910827476.5 2019-09-03

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WO2021042539A1 true WO2021042539A1 (fr) 2021-03-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106597747A (zh) * 2017-01-03 2017-04-26 京东方科技集团股份有限公司 背光源、显示基板及显示装置
CN106903945A (zh) * 2016-08-05 2017-06-30 宁波长阳科技股份有限公司 一种广色域的量子点膜及其制备方法
CN108562959A (zh) * 2018-04-25 2018-09-21 京东方科技集团股份有限公司 一种光学膜、具有其的背光模组及显示装置
CN108828836A (zh) * 2018-07-25 2018-11-16 惠州市华星光电技术有限公司 复合型偏光片和液晶显示器
US20190049781A1 (en) * 2018-10-05 2019-02-14 Intel Corporation High efficiency quantum dot liquid crystal displays

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101686736B1 (ko) * 2015-04-17 2016-12-14 엘지전자 주식회사 양자점-고분자 복합체의 제조 방법, 양자점-고분자 복합체, 이를 포함하는 광 변환 필름, 백라이트 유닛 및 표시장치
CN105259699B (zh) * 2015-11-27 2018-09-11 武汉华星光电技术有限公司 液晶显示器及其显示方法
CN108241187B (zh) * 2016-12-23 2024-03-15 苏州星烁纳米科技有限公司 量子点偏光片、液晶面板及液晶显示装置
CN108459435A (zh) * 2018-01-19 2018-08-28 精电(河源)显示技术有限公司 一种采用量子点发光的液晶显示屏

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106903945A (zh) * 2016-08-05 2017-06-30 宁波长阳科技股份有限公司 一种广色域的量子点膜及其制备方法
CN106597747A (zh) * 2017-01-03 2017-04-26 京东方科技集团股份有限公司 背光源、显示基板及显示装置
CN108562959A (zh) * 2018-04-25 2018-09-21 京东方科技集团股份有限公司 一种光学膜、具有其的背光模组及显示装置
CN108828836A (zh) * 2018-07-25 2018-11-16 惠州市华星光电技术有限公司 复合型偏光片和液晶显示器
US20190049781A1 (en) * 2018-10-05 2019-02-14 Intel Corporation High efficiency quantum dot liquid crystal displays

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ZHOU ZUNNING: "Fundamentals of electro-optical countermeasure materials", 31 January 2017, BEIJING INSTITUTE OF TECHNOLOGY PRESS, CN, ISBN: 978-7-5682-3617-1, article ZHOU ZUNNING: "Fundamentals of electro-optical countermeasure materials", pages: 64 - 65, XP009526505 *

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