WO2021077501A1 - 量子点彩膜基板和液晶显示装置 - Google Patents

量子点彩膜基板和液晶显示装置 Download PDF

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Publication number
WO2021077501A1
WO2021077501A1 PCT/CN2019/118621 CN2019118621W WO2021077501A1 WO 2021077501 A1 WO2021077501 A1 WO 2021077501A1 CN 2019118621 W CN2019118621 W CN 2019118621W WO 2021077501 A1 WO2021077501 A1 WO 2021077501A1
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substrate
quantum dot
layer
sub
dot color
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PCT/CN2019/118621
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English (en)
French (fr)
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刘凡成
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武汉华星光电技术有限公司
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Priority to US16/639,756 priority Critical patent/US20210124213A1/en
Publication of WO2021077501A1 publication Critical patent/WO2021077501A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/133548—Wire-grid polarisers

Definitions

  • the invention relates to the field of display technology, in particular to a quantum dot color film substrate and a liquid crystal display device.
  • Quantum dot is a kind of nanoparticle composed of II-VI or III-V elements, which can emit fluorescence after being excited. Its emission spectrum can be controlled by changing the size of the quantum dot. Its fluorescence The strength and stability are very good.
  • the configuration of the quantum dot color film is different from the traditional quantum dot color film liquid crystal display device.
  • This design encapsulates the quantum dot color resister on the upper surface of the color filter substrate, so the metal wire grid polarizer can be arranged on the lower surface of the color filter substrate. Because the metal wire grid is a nanoscale structure, the metal wire grid is arranged on the lower surface of the color film substrate, and the performance of the metal wire grid polarizer can be greatly improved due to the improvement of flatness.
  • the quantum dot color film technology uses a blue light emitting diode (LED) as a backlight to excite a color resist composed of quantum dots to emit light.
  • LED blue light emitting diode
  • FIG. 1 after the red sub-pixel 101 and the green sub-pixel 102 are excited by the blue light 10 emitted from the backlight module 98, the generated light 11 will be depolarized, and the excited light 11 part will pass through the interior again.
  • the embedded polarizer 104 enters the panel and cross-talks with the blue light 10, which ultimately affects the display quality and reduces the luminous efficacy of the quantum dot color film.
  • the purpose of the present invention is to provide a quantum dot color film substrate and a liquid crystal display device, which are used to improve the light from the backlight source and return to the inside of the panel after passing through the color filter layer, causing the problem of crosstalk with the light color of the backlight source Therefore, the luminous quality and efficiency of the display device can be improved.
  • the present invention provides a quantum dot color film substrate, including:
  • the color filter layer is disposed on the substrate and includes a plurality of sub-pixels arranged in an array, each sub-pixel is separated by a black matrix, and the sub-pixels include red sub-pixels, green sub-pixels, and Blue sub-pixels; a band-pass filter film arranged under the color filter layer; and an encapsulation layer arranged on the color filter layer.
  • the band-pass filter film allows more than 98% of the light in the wavelength range of 400 to 500 nm to pass, and reflects more than 95% of the light outside the above-mentioned wavelength range.
  • a metal wire grid polarizer is further provided under the substrate, and the metal wire grid polarizer is composed of a silicon oxide layer, an aluminum metal layer, and a silicon nitride layer.
  • the band-pass filter film is arranged between the substrate and the metal wire grid polarizer.
  • the bandpass filter film is composed of silicon oxide or indium tin oxide.
  • the present invention additionally provides a quantum dot color film substrate, including:
  • the color filter layer is disposed on the substrate and includes a plurality of sub-pixels arranged in an array, each sub-pixel is separated by a black matrix, and the sub-pixels include red sub-pixels, green sub-pixels, and Blue sub-pixel; a band-pass filter film, which is arranged on the upper surface of the substrate and the side surface of the black matrix; and an encapsulation layer, which is arranged on the color filter layer.
  • the band-pass filter film allows more than 98% of the light in the wavelength range of 400 to 500 nm to pass, and reflects more than 95% of the light outside the above-mentioned wavelength range.
  • a metal wire grid polarizer is further provided under the substrate, and the metal wire grid polarizer is composed of a silicon oxide layer, an aluminum metal layer, and a silicon nitride layer.
  • the bandpass filter film is composed of silicon oxide or indium tin oxide.
  • the present invention further provides a liquid crystal display device, including:
  • the quantum dot color film substrate includes a substrate, a bandpass filter film, and a color filter layer, which are arranged on the substrate and an encapsulation layer, which is arranged on the color filter layer; an array substrate, and the quantum The dot color film substrates are arranged oppositely; the liquid crystal layer is arranged between the quantum dot color film substrate and the array substrate; and the backlight module is arranged under the array substrate.
  • the band-pass filter film is disposed under the color filter layer and between the liquid crystal layer, and can cut off most of the red light and the light without affecting the passage of blue light of the backlight source. Green light prevents the red light or green light from entering the panel again and cross-talking with the blue light of the backlight source.
  • the metal wire grid polarizer is composed of a silicon oxide layer, an aluminum metal layer, and a silicon nitride layer.
  • a polarizer is further included between the array substrate and the backlight module.
  • the bandpass filter film is composed of silicon oxide or indium tin oxide.
  • the present invention provides a quantum dot color film substrate and a liquid crystal display device.
  • a band-pass filter film Through the arrangement of a band-pass filter film, it is possible to cut off most of the red light and green light without affecting the passage of the blue light of the backlight source, and avoid red light Or the green light enters the panel again, and crosstalks with the blue light of the backlight, thus enhancing the display effect.
  • Figure 1 is a schematic cross-sectional view of a conventional quantum dot color film liquid crystal display device
  • Figure 2 is a schematic cross-sectional view of the quantum dot color film substrate of the first embodiment of the present invention
  • Figure 3 is a schematic cross-sectional view of a quantum dot color film substrate according to a second embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional view of a quantum dot color film substrate according to a third embodiment of the present invention.
  • FIG. 5 is a schematic cross-sectional view of a quantum dot color film liquid crystal display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view of the quantum dot color film substrate of the first embodiment of the present invention, including:
  • the color filter layer 201 includes a plurality of sub-pixels arranged in an array, and each sub-pixel is separated by a black matrix 2014, and the sub-pixel includes a red color composed of a red quantum dot material.
  • the bandpass filter film 203 has a transmittance of blue light greater than 98%, and a reflectivity of red light and green light greater than 95%.
  • Figure 3 is a schematic cross-sectional view of a quantum dot color film substrate according to a second embodiment of the present invention, including:
  • the color filter layer 301 on the band-pass filter film 303, the color filter layer 301 includes a plurality of sub-pixels arranged in an array, and each sub-pixel is separated by a black matrix 3014, and the sub-pixels include Red sub-pixel 3011 composed of red quantum dot material, green sub-pixel 3012 composed of green quantum dot material, and blue sub-pixel 3013 composed of blue quantum dot material; metal disposed under glass substrate 300
  • the wire grid polarizer 304, the metal wire grid polarizer 304 is composed of a silicon oxide layer 3041, an aluminum metal layer 3042, and a silicon nitride layer 3043; and an encapsulation layer 302 disposed on the color filter layer 301.
  • the bandpass filter film 303 has a transmittance of blue light greater than 98%, and a reflectivity of red light and green light greater than 95%.
  • FIG. 4 is a schematic cross-sectional view of a quantum dot color film substrate according to a third embodiment of the present invention, including:
  • the pixel includes a red sub-pixel 4011 composed of a red quantum dot material, a green sub-pixel 4012 composed of a green quantum dot material, and a blue sub-pixel 4013 composed of a blue quantum dot material; the glass substrate 400 is provided
  • the bandpass filter film 403 on the upper surface and the side surface of the black matrix 4014, the bandpass filter film 403 can be plated by magnetron sputtering process, the film material can be silicon oxide or indium tin oxide, etc.; set on the glass substrate
  • the metal wire grid polarizer 404 under 400, the metal wire grid polarizer 404 is composed of a silicon oxide layer 4041, an aluminum metal layer 4042, and a silicon nitride layer 4043; and a package disposed on the color filter layer 401 ⁇ 402.
  • the band-pass filter film 403 has a transmittance of blue light greater than 98%, and a reflectivity of red light and green light greater than 95%.
  • the advantage of this embodiment is that it can further prevent the light generated after exciting the red, green, and blue quantum dots from propagating to the left and right and being absorbed by the black matrix. Luminous efficiency.
  • Figure 5 is a schematic cross-sectional view of a quantum dot color film liquid crystal display device according to an embodiment of the present invention, including:
  • the metal wire grid polarizer 21; and the polarizer 41 and the backlight module 50 disposed under the array substrate 40, the backlight module 50 has a blue backlight.
  • the quantum dot color film substrate 20 includes the bandpass filter film as described in the first embodiment to the third embodiment, and the transmittance of blue light is greater than 98%, and the reflectivity of red light and green light is greater than 95%. . It can let more than 98% of the blue light pass through, and reflect more than 95% of the red and green light scattered in the direction of the liquid crystal layer 30 to the window direction of the display device, avoiding crosstalk between red light, green light, and blue light. Therefore, the display quality is improved, and the luminous efficiency of the quantum dot color film liquid crystal display device is improved.

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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)

Abstract

提供了一种量子点彩膜基板（20）和液晶显示装置。液晶显示装置，包括：量子点彩膜基板（20），包括基板（200,300,400）、带通滤光膜（203,303,403）、彩色滤光层（201,301,401）、以及封装层（202,302,402）；阵列基板（40），和量子点彩膜基板（20）相对设置；液晶层（30），设置在量子点彩膜基板（20）和阵列基板（40）之间；以及背光模组（50），设置在阵列基板（40）之下。

Description

量子点彩膜基板和液晶显示装置 技术领域
本发明涉及显示技术领域,具体涉及量子点彩膜基板和液晶显示装置。
 背景技术
量子点（quantum dot, QD)是一种由II-VI族或III-V族元素所组成的纳米颗粒,受激发后可以发射荧光,其发光光谱可以通过改变量子点的尺寸来控制,其荧光强度和稳定性都很好。
目前已有一种内嵌式偏光片(in-cell polarizer)设计的量子点彩膜液晶显示装置,其量子点彩膜的配置和传统的量子点彩膜液晶显示装置不同。该设计将量子点色阻封装在彩膜基板的上表面,因此可将金属线栅偏光片设置在彩膜基板的下表面。因为金属线栅是纳米级结构,将金属线栅设置在彩膜基板的下表面,因平坦性的改善,可以大幅提高金属线栅偏光片的性能。
 技术问题
量子点彩膜技术是通过蓝色发光二极体(light emitting diode, LED)作为背光源,激发由量子点所组成的色阻发光。然而,如图1所示,红色子像素101和绿色子像素102被来自背光模块98发出的蓝光10激发后,产生的光线11会被消除偏振态,且激发后的光线11部分会再次经过内嵌式偏光片104进入面板内,和蓝光10相互串扰(cross-talk),最终影响显示品质,并降低量子点彩膜的发光效能。
 技术解决方案
本发明的目的在于提供一种量子点彩膜基板和液晶显示装置,其用以改善来自背光源的光线在通过彩色滤光层后又返回到面板内部,造成和背光源的光线颜色串扰的问题,因此可提升显示装置的发光质量以及效能。
为实现上述目的,本发明提供一种量子点彩膜基板,包括:
基板;彩色滤光层,设置在所述基板之上,包括多个阵列排列的子像素,每一个子像素之间通过黑色矩阵隔开,所述子像素包括红色子像素、绿色子像素、和蓝色子像素;带通滤光膜,设置在所述彩色滤光层之下;以及封装层,设置在所述彩色滤光层之上。
较佳地,所述带通滤光膜让大于98%的波长范围在400至500 nm的光通过,且反射大于95%的上述波长范围以外的光。
较佳地,所述基板之下还设置有金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
较佳地,所述带通滤光膜设置在所述基板和所述金属线栅偏光片之间。
较佳地,所述带通滤光膜由硅氧化物或氧化铟锡所组成。
本发明另外提供一种量子点彩膜基板,包括:
基板;彩色滤光层,设置在所述基板之上,包括多个阵列排列的子像素,每一个子像素之间通过黑色矩阵隔开,所述子像素包括红色子像素、绿色子像素、和蓝色子像素;带通滤光膜,设置在所述基板的上表面和所述黑色矩阵的侧表面;以及封装层,设置在所述彩色滤光层之上。
较佳地,所述带通滤光膜让大于98%的波长范围在400至500 nm的光通过,且反射大于95%的上述波长范围以外的光。
较佳地,所述基板之下还设置有金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
较佳地,所述带通滤光膜由硅氧化物或氧化铟锡所组成。
本发明进一步提供一种液晶显示装置,包括:
量子点彩膜基板,包括基板、带通滤光膜、彩色滤光层,设置在所述基板之上、以及封装层,设置在所述彩色滤光层之上;阵列基板,和所述量子点彩膜基板相对设置;液晶层,设置在所述量子点彩膜基板和所述阵列基板之间;以及背光模组,设置在所述阵列基板之下。
较佳地,所述带通滤光膜设置在所述彩色滤光层的下方和所述液晶层之间,可以在几乎不影响背光源的蓝光通过的前提下,截止大部分的红光和绿光,避免所述红光或绿光再次进入面板内,和背光源的蓝光相互串扰。
较佳地,还包括设置在所述量子点彩膜基板下方的金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
较佳地,所述阵列基板和所述背光模组之间还包括偏光片。
较佳地,所述带通滤光膜由硅氧化物或氧化铟锡所组成。
 有益效果
本发明提供一种量子点彩膜基板和液晶显示装置,通过带通滤光膜的设置,可以在不影响背光源的蓝光通过的前提下,截止大部分的红光和绿光,避免红光或绿光再次进入面板内,和背光源的蓝光相互串扰,因而提升显示效果。
 附图说明
图1为习知的量子点彩膜液晶显示装置的截面示意图;
图2为本发明第一实施例的量子点彩膜基板的截面示意图;
图3为本发明第二实施例的量子点彩膜基板的截面示意图;
图4为本发明第三实施例的量子点彩膜基板的截面示意图;以及
图5为本发明实施例的量子点彩膜液晶显示装置的截面示意图。
 本发明的最佳实施方式
以下将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
以下实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
图2为本发明第一实施例的量子点彩膜基板的截面示意图,包括:
玻璃基板200;设置在玻璃基板200之下的带通滤光膜203, 带通滤光膜203可通过磁控溅射工艺镀上,膜材可以是硅氧化物或氧化铟锡等;设置在带通滤光膜203之下的金属线栅偏光片204,金属线栅偏光片204由硅氧化物层2041、铝金属层2042、以及硅氮化物层2043所构成;设置在玻璃基板200之上的彩色滤光层201,所述彩色滤光层201包括多个阵列排列的子像素,每一个子像素之间通过黑色矩阵2014隔开,所述子像素包括由红色量子点材料所组成的红色子像素2011、由绿色量子点材料所组成的绿色子像素2012、和由蓝色量子点材料所组成的蓝色子像素2013;以及设置在彩色滤光层201之上的封装层202。
所述带通滤光膜203对蓝光的透射率大于98%、对红光和绿光的反射率大于95%。
图3为本发明第二实施例的量子点彩膜基板的截面示意图,包括:
玻璃基板300;设置在玻璃基板300之上的带通滤光膜303,带通滤光膜303可通过磁控溅射工艺镀上,膜材可以是硅氧化物或氧化铟锡等;设置在带通滤光膜303之上的彩色滤光层301,所述彩色滤光层301包括多个阵列排列的子像素,每一子像素之间通过黑色矩阵3014隔开,所述子像素包括由红色量子点材料所组成的红色子像素3011、由绿色量子点材料所组成的绿色子像素3012、和由蓝色量子点材料所组成的蓝色子像素3013;设置在玻璃基板300之下的金属线栅偏光片304,金属线栅偏光片304由硅氧化物层3041、铝金属层3042、以及硅氮化物层3043所构成;以及设置在彩色滤光层301之上的封装层302。
所述带通滤光膜303对蓝光的透射率大于98%、对红光和绿光的反射率大于95%。
图4为本发明第三实施例的量子点彩膜基板的截面示意图,包括:
玻璃基板400;设置在玻璃基板400之上的彩色滤光层401,所述彩色滤光层401包括多个阵列排列的子像素,每一子像素之间通过黑色矩阵4014隔开,所述子像素包括由红色量子点材料所组成的红色子像素4011、由绿色量子点材料所组成的绿色子像素4012、和由蓝色量子点材料所组成的蓝色子像素4013;设置在玻璃基板400的上表面和黑色矩阵4014的侧表面的带通滤光膜403,带通滤光膜403可通过磁控溅射工艺镀上,膜材可以是硅氧化物或氧化铟锡等;设置在玻璃基板400之下的金属线栅偏光片404,金属线栅偏光片404由硅氧化物层4041、铝金属层4042、以及硅氮化物层4043所构成;以及设置在彩色滤光层401之上的封装层402。
所述带通滤光膜403对蓝光的透射率大于98%、对红光和绿光的反射率大于95%。
本实施例相较于第一实施例和第二实施例的优点在于还可以进一步防止激发红、绿、蓝量子点后生成的光向左、右传播而被黑色矩阵吸收,因此有更好的发光效率。
图5为本发明实施例的量子点彩膜液晶显示装置的截面示意图,包括:
量子点彩膜基板20;和量子点彩膜基板20相对设置的阵列基板40;设置在量子点彩膜基板20和阵列基板40之间的液晶层30;设置在量子点彩膜基板20之下的金属线栅偏光片21;以及设置在阵列基板40之下的偏光片41和背光模组50,所述背光模组50具有蓝色背光源。
所述量子点彩膜基板20包括如第一实施例至第三实施例所述的带通滤光膜,其对蓝光的透射率大于98%、对红光和绿光的反射率大于95%。可以让大于98%的蓝光通过,并将往液晶层30方向散射的大于95%的红光和绿光反射至显示设备的窗口方向,避免红光、绿光、和蓝光之间相互串扰。因此提升显示品质,并提升量子点彩膜液晶显示装置的发光效能。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (14)

  1. 一种量子点彩膜基板,包括:
    基板;
    彩色滤光层,设置在所述基板之上,包括多个阵列排列的子像素,每一个子像素之间通过黑色矩阵隔开,所述子像素包括红色子像素、绿色子像素、和蓝色子像素;
    带通滤光膜,设置在所述彩色滤光层之下;以及
    封装层,设置在所述彩色滤光层之上。
  2. 如权利要求1所述的量子点彩膜基板,其中所述带通滤光膜让大于98%的波长范围在400至500 nm的光通过,且反射大于95%的上述波长范围以外的光。
  3. 如权利要求1所述的量子点彩膜基板,其中所述基板之下还设置有金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
  4. 如权利要求3所述的量子点彩膜基板,其中所述带通滤光膜设置在所述基板和所述金属线栅偏光片之间。
  5. 如权利要求1所述的量子点彩膜基板,其中所述带通滤光膜由硅氧化物或氧化铟锡所组成。
  6. 一种量子点彩膜基板,其特征在于,包括:
    基板;
    彩色滤光层,设置在所述基板之上,包括多个阵列排列的子像素,每一个子像素之间通过黑色矩阵隔开,所述子像素包括红色子像素、绿色子像素、和蓝色子像素;
    带通滤光膜,设置在所述基板的上表面和所述黑色矩阵的侧表面;以及
    封装层,设置在所述彩色滤光层之上。
  7. 如权利要求6所述的量子点彩膜基板,其中所述带通
    滤光膜让大于98%的波长范围在400至500 nm的光通过,且反射大于95%的上述波长范围以外的光。
  8. 如权利要求6所述的量子点彩膜基板,其中所述基板
    之下还设置有金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
  9. 如权利要求6所述的量子点彩膜基板,其中所述带通
    滤光膜由硅氧化物或氧化铟锡所组成。
  10. 一种液晶显示装置,包括:
    量子点彩膜基板,包括基板、带通滤光膜、彩色滤光层,设置在所述基板之上、以及封装层,设置在所述彩色滤光层之上;
    阵列基板,和所述量子点彩膜基板相对设置;
    液晶层,设置在所述量子点彩膜基板和所述阵列基板之间;以及
    背光模组,设置在所述阵列基板之下。
  11. 如权利要求10所述的液晶显示装置,其中所述带通滤
    光膜设置在所述彩色滤光层的下方和所述液晶层之间。
  12. 如权利要求10所述的液晶显示装置,其中还包括设置
    在所述量子点彩膜基板下方的金属线栅偏光片,所述金属线栅偏光片由硅氧化物层、铝金属层、以及硅氮化物层所构成。
  13. 如权利要求10所述的液晶显示装置,其中所述阵列基板和所述背光模组之间还包括偏光片。
  14. 如权利要求10所述的量子点彩膜基板,其中所述带通
    滤光膜由硅氧化物或氧化铟锡所组成。
PCT/CN2019/118621 2019-10-25 2019-11-15 量子点彩膜基板和液晶显示装置 WO2021077501A1 (zh)

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