WO2020228214A1 - 液晶显示器 - Google Patents

液晶显示器 Download PDF

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Publication number
WO2020228214A1
WO2020228214A1 PCT/CN2019/106994 CN2019106994W WO2020228214A1 WO 2020228214 A1 WO2020228214 A1 WO 2020228214A1 CN 2019106994 W CN2019106994 W CN 2019106994W WO 2020228214 A1 WO2020228214 A1 WO 2020228214A1
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Prior art keywords
liquid crystal
crystal display
electrochromic
conductive layer
backlight module
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PCT/CN2019/106994
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English (en)
French (fr)
Inventor
袁广中
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509Filters, e.g. light shielding masks
    • G02F1/133512Light shielding layers, e.g. black matrix

Definitions

  • This application relates to the field of display technology, and in particular to a liquid crystal display.
  • the structure of the liquid crystal display includes a liquid crystal panel and a backlight module.
  • the liquid crystal panel itself does not emit light and needs a light source provided by a backlight module.
  • the liquid crystal panel displays images by driving the orientation of liquid crystal molecules to control the intensity of transmitted light.
  • the contrast of the liquid crystal display is usually on the order of 1000, which is much lower than the contrast of self-luminous display devices such as OLED (organic light emitting diode).
  • OLED organic light emitting diode
  • the method of dynamically adjusting the backlight source in the existing liquid crystal display is mainly aimed at the direct-type backlight module.
  • the light source generally includes several LED (light emitting diode) light source arrays arranged in each other, the LED backlight array can be controlled by time and zone. Brightness to achieve dynamic backlighting.
  • the LED light sources are easily interfered with each other, the dynamic adjustment capability of the backlight area is weakened, thereby reducing the dynamic contrast of the liquid crystal display. In particular, this method is not suitable for edge-type backlight modules.
  • the present application provides a liquid crystal display that can effectively dynamically adjust the backlight source to solve the problem of the existing liquid crystal display.
  • the LED light sources easily interfere with each other, which makes the backlight area dynamic
  • the adjustment ability is weakened, thereby reducing the technical problem of the dynamic contrast of the liquid crystal display.
  • the application provides a liquid crystal display, including a backlight module, a liquid crystal display panel, and a dynamic backlight shading plate located between the backlight module and the liquid crystal display panel.
  • the dynamic backlight shading plate contains a reflective electroluminescent material .
  • the dynamic backlight shading plate includes an electrochromic module and an electrochromic control module, and the electrochromic module includes a plurality of independently controllable electrochromic units.
  • the electrochromic unit includes a first glass substrate, a first conductive layer, a second conductive layer, and a second glass substrate arranged from bottom to top, and is located in the first glass substrate.
  • the two ends of the edge between the conductive layer and the second conductive layer are respectively provided with spacers.
  • the first conductive layer, the second conductive layer and the spacers enclose a region D.
  • a counter electrode layer, an electrolyte, and an electrochromic layer are stacked from bottom to top.
  • a TFT is provided on the first glass substrate.
  • the materials of the first conductive layer and the second conductive layer are both transparent conductive oxide films.
  • the electrolyte includes at least silver nitrate and copper chloride.
  • the electrochromic layer is a silver nanoparticle electrochromic film.
  • the grain size of the silver nanoparticles in the silver nanoparticle electrochromic film is in the range of 10-100 nanometers.
  • the backlight module is a direct type backlight module or an edge type backlight module.
  • the direct-lit backlight module includes: a back plate, a plurality of light source structures arranged in an array arranged on the back plate, and arranged on each side of the back plate Side reflector on the side.
  • the application also provides a liquid crystal display, including a backlight module, a liquid crystal display panel, and a dynamic backlight shading plate located between the backlight module and the liquid crystal display panel.
  • the dynamic backlight shading plate includes a reflective Electroluminescent material; the dynamic backlight shading plate includes an electrochromic module and an electrochromic control module, the electrochromic module includes a plurality of independently controllable electrochromic units.
  • the electrochromic unit includes a first glass substrate, a first conductive layer, a second conductive layer, and a second glass substrate arranged from bottom to top, and is located in the first glass substrate.
  • the two ends of the edge between the conductive layer and the second conductive layer are respectively provided with spacers.
  • the first conductive layer, the second conductive layer and the spacers enclose a region D.
  • a counter electrode layer, an electrolyte, and an electrochromic layer are stacked from bottom to top.
  • a TFT is provided on the first glass substrate.
  • the materials of the first conductive layer and the second conductive layer are both transparent conductive oxide films.
  • the electrolyte includes at least silver nitrate and copper chloride.
  • the electrochromic layer is a silver nanoparticle electrochromic film.
  • the grain size of the silver nanoparticles in the silver nanoparticle electrochromic film is in the range of 10-100 nanometers.
  • the backlight module is a direct type backlight module or an edge type backlight module.
  • the direct-lit backlight module includes: a back plate, a plurality of light source structures arranged in an array arranged on the back plate, and arranged on each side of the back plate Side reflector on the side.
  • a dynamic backlight shading plate containing reflective electroluminescent material is arranged between the liquid crystal display panel and the backlight module, which further improves the dynamic contrast and the backlight The utilization rate of the module light source.
  • FIG. 1 is a schematic diagram of the structure of a liquid crystal display of this application.
  • FIG. 2 is a schematic diagram of the principle of dynamic adjustment of the backlight source of the liquid crystal display of the present application.
  • FIG. 3 is a schematic diagram of the structure of the electrochromic unit in the liquid crystal display of this application.
  • This application aims at the technical problem of the existing liquid crystal display when dynamically adjusting the backlight source, because each LED light source easily interferes with each other, so that the dynamic adjustment capability of the backlight area is weakened, thereby reducing the dynamic contrast of the liquid crystal display. Examples can solve this defect.
  • the liquid crystal display of the present application includes a backlight module 10, a liquid crystal display panel 30, and a dynamic backlight shading plate 20 located between the backlight module 10 and the liquid crystal display panel 30.
  • the dynamic backlight shading plate 20 includes a reflective Type electroluminescent materials.
  • the reflective electroluminescent material refers to a phenomenon in which the optical properties of the material undergo stable and reversible changes under the action of an external electric field, and it appears as a reversible change in color and transparency in appearance.
  • the color change mechanism of the reflective electroluminescent material is that an oxidation-reduction reaction occurs under electric drive, and the transmittance is controlled and adjusted mainly through the absorption of light.
  • the utilization efficiency of backlight is not high due to the absorption of light, and the effect of improving dynamic contrast is not obvious.
  • the dynamic backlight shading plate 20 includes an electrochromic module 21 and an electrochromic control module 22.
  • the electrochromic module 21 includes a plurality of independently controllable electrochromic units 211; the electrochromic control The module 22 analyzes the brightness information of different areas of the display screen of the liquid crystal display panel 30 in real time, and adjusts the light transmittance of the electrochromic unit 211 in the corresponding area in real time according to the brightness information to realize dynamic backlight and improve contrast.
  • the backlight module 10 is a direct-type backlight module or an edge-type backlight module; the direct-type backlight module 10 includes a back plate, and a plurality of arrays arranged on the back plate are arranged The light source structure and the side reflection sheets arranged on each side of the back plate.
  • FIG. 2 it is a schematic diagram of the principle of dynamic adjustment of the backlight source of the liquid crystal display of this application.
  • the display area of the liquid crystal display panel 30 includes a gray and dark area and a light and dark area.
  • the electrochromic control module 22 in the dynamic backlight shading plate 20 controls the electrochromic module 21 in the electrochromic module 21.
  • the color-changing unit 211 applies a certain voltage to reduce the backlight transmittance of the part of the dynamic backlight shading plate 20 corresponding to the gray area, and the dynamic backlight shading plate 20 passes the part of the light that cannot be transmitted through the backlight module.
  • the group 10 is reflected and collected by the reflector of the backlight module 10 and then further reflected.
  • the brightness of the bright area can be enhanced, the dynamic contrast can be further improved, and the utilization rate of the light source of the backlight module 10 can be improved.
  • the electrochromic unit includes a first glass substrate 401, a first conductive layer 402, a second conductive layer 403, and a second glass substrate 404 arranged from bottom to top, and are located between the first conductive layer 402 and the Spacers 405 are respectively provided at both ends of the edge between the second conductive layer 403.
  • the first conductive layer 402, the second conductive layer 403, and the spacer 405 enclose a region D.
  • a counter electrode layer 406, an electrolyte 407, and an electrochromic layer 408 are stacked from bottom to top.
  • a TFT thin film transistor
  • the materials of the first conductive layer 402 and the second conductive layer 403 are both transparent conductive oxide films.
  • the electrolyte 407 includes at least silver nitrate and copper chloride.
  • the electrochromic layer 408 is a silver nano-particle electrochromic film; the silver nano-particles in the silver nano-particle electrochromic film have a grain size range of 10-100 nanometers.
  • the electrochromic layer 408 When a certain area of the liquid crystal display panel is displayed as a dark picture, under voltage control, the electrochromic layer 408 will have a local surface plasmon resonance electrochromic effect, and its transmittance will be controllably reduced. Reduce the backlight transmittance in the dark area; in particular, the light that is not transmitted is mainly reflected, and can be collected by the reflector of the backlight module and then further reflected. On the one hand, it can enhance the brightness of the bright image area and further improve Dynamic contrast can improve the utilization of the light source of the backlight module.
  • the electrochromic layer 408 When a certain area of the liquid crystal display panel is displayed as a pure black image under extreme conditions, the electrochromic layer 408 will form a mirror to reflect substantially all the backlight at this place, forming a very high contrast.
  • the liquid crystal display provided by the present application can dynamically adjust the backlight when displaying images with different brightness and darkness.
  • the brightness of the bright area can be enhanced, the dynamic contrast can be further improved, and the utilization rate of the light source of the backlight module can be improved.
  • a dynamic backlight shading plate containing reflective electroluminescent material is arranged between the liquid crystal display panel and the backlight module, which further improves the dynamic contrast and the backlight The utilization rate of the module light source.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

一种液晶显示器,包括背光模组(10)、液晶显示面板(30)以及位于背光模组(10)与液晶显示面板(30)之间的动态背光遮光板(20),动态背光遮光板(20)含有反射式电致发光材料。有益效果:在液晶显示面板(30)与背光模组(10)之间设置有含有反射式电致发光材料的动态背光遮光板(20),进一步提高动态对比度,更进一步提高了背光模组(10)光源的利用率。

Description

液晶显示器 技术领域
本申请涉及显示技术领域,尤其涉及一种液晶显示器。
背景技术
液晶显示器的结构包括液晶面板和背光模组。液晶面板本身不发光,需要由背光模组提供的光源,液晶面板通过驱动液晶分子的取向以控制透过光的强弱来显示图像。现有技术条件下,由于液晶显示面板暗态漏光的缘故,液晶显示器的对比度通常在1000量级上下,远低于OLED(有机发光二极管)等自发光显示器件的对比度。为了提高对比度、提高显示画面的层次感,对背光源进行动态调节已经成为提高液晶显示器显示质量的有效手段。现有的液晶显示器中对背光源进行动态调节的方法主要针对直下式背光模组,由于其光源一般是包括若干个相互排列的LED(发光二极管)光源阵列,可以通过分时段分区控制LED背光阵列的亮度来实现动态背光。然而,由于各个LED光源之间容易相互干扰,使得背光的区域动态调节能力减弱,进而降低了液晶显示器的动态对比度。特别的,这种方法并不适用于侧入式背光模组。
综上所述,现有的液晶显示器,在对背光源进行动态调节时,由于各个LED光源之间容易相互干扰,使得背光的区域动态调节能力减弱,进而降低了液晶显示器的动态对比度。
技术问题
现有的液晶显示器,在对背光源进行动态调节时,由于各个LED光源之间容易相互干扰,使得背光的区域动态调节能力减弱,进而降低了液晶显示器的动态对比度。
技术解决方案
本申请提供一种液晶显示器,能够有效地对背光源进行动态调节,以解决现有的液晶显示器,在对背光源进行动态调节时,由于各个LED光源之间容易相互干扰,使得背光的区域动态调节能力减弱,进而降低了液晶显示器的动态对比度的技术问题。
为解决上述问题,本申请提供的技术方案如下:
本申请提供一种液晶显示器,包括背光模组、液晶显示面板以及位于所述背光模组与所述液晶显示面板之间的动态背光遮光板,所述动态背光遮光板含有反射式电致发光材料。
在本申请实施例所提供的液晶显示器中,所述动态背光遮光板包括电致变色模块以及电致变色控制模块,所述电致变色模块包括多个独立可控的电致变色单元。
在本申请实施例所提供的液晶显示器中,所述电致变色单元包括由下到上设置的第一玻璃基板、第一导电层、第二导电层以及第二玻璃基板,位于所述第一导电层与所述第二导电层之间的边缘两端分别设置有间隙子,所述第一导电层与所述第二导电层以及所述间隙子围成区域D,所述区域D中由下到上层叠设置有对电极层、电解质以及电致变色层。
在本申请实施例所提供的液晶显示器中,所述第一玻璃基板上设置有TFT。
在本申请实施例所提供的液晶显示器中,所述第一导电层以及所述第二导电层的材料均为透明导电氧化物薄膜。
在本申请实施例所提供的液晶显示器中,所述电解质至少包含硝酸银以及氯化铜。
在本申请实施例所提供的液晶显示器中,所述电致变色层为银纳米颗粒电致变色薄膜。
在本申请实施例所提供的液晶显示器中,所述银纳米颗粒电致变色薄膜中的银纳米颗粒的晶粒尺寸范围为10~100纳米。
在本申请实施例所提供的液晶显示器中,所述背光模组为直下式背光模组或者侧入式背光模组。
在本申请实施例所提供的液晶显示器中,所述直下式背光模组包括:背板、设置于所述背板之上的多个呈阵列分布的光源结构以及设置在所述背板各个侧边的侧反射片。
本申请还提供本申请提供一种液晶显示器,包括背光模组、液晶显示面板以及位于所述背光模组与所述液晶显示面板之间的动态背光遮光板,所述动态背光遮光板含有反射式电致发光材料;所述动态背光遮光板包括电致变色模块以及电致变色控制模块,所述电致变色模块包括多个独立可控的电致变色单元。
在本申请实施例所提供的液晶显示器中,所述电致变色单元包括由下到上设置的第一玻璃基板、第一导电层、第二导电层以及第二玻璃基板,位于所述第一导电层与所述第二导电层之间的边缘两端分别设置有间隙子,所述第一导电层与所述第二导电层以及所述间隙子围成区域D,所述区域D中由下到上层叠设置有对电极层、电解质以及电致变色层。
在本申请实施例所提供的液晶显示器中,所述第一玻璃基板上设置有TFT。
在本申请实施例所提供的液晶显示器中,所述第一导电层以及所述第二导电层的材料均为透明导电氧化物薄膜。
在本申请实施例所提供的液晶显示器中,所述电解质至少包含硝酸银以及氯化铜。
在本申请实施例所提供的液晶显示器中,所述电致变色层为银纳米颗粒电致变色薄膜。
在本申请实施例所提供的液晶显示器中,所述银纳米颗粒电致变色薄膜中的银纳米颗粒的晶粒尺寸范围为10~100纳米。
在本申请实施例所提供的液晶显示器中,所述背光模组为直下式背光模组或者侧入式背光模组。
在本申请实施例所提供的液晶显示器中,所述直下式背光模组包括:背板、设置于所述背板之上的多个呈阵列分布的光源结构以及设置在所述背板各个侧边的侧反射片。
有益效果
本申请的有益效果为:本申请所提供的液晶显示器,在液晶显示面板与背光模组之间设置有含有反射式电致发光材料的动态背光遮光板,进一步提高动态对比度,更进一步提高了背光模组光源的利用率。
附图说明
为了更清楚地说明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单介绍,显而易见地,下面描述中的附图仅仅是申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请液晶显示器的结构示意图。
图2为本申请液晶显示器对背光源进行动态调节的原理示意图。
图3为本申请液晶显示器中的电致变色单元的结构示意图。
本发明的实施方式
以下各实施例的说明是参考附加的图示,用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语,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申请,而非用以限制本申请。在图中,结构相似的单元是用以相同标号表示。
本申请针对现有的液晶显示器在对背光源进行动态调节时,由于各个LED光源之间容易相互干扰,使得背光的区域动态调节能力减弱,进而降低了液晶显示器的动态对比度的技术问题,本实施例能够解决该缺陷。
如图1所示,为本申请液晶显示器的结构示意图。其中,本申请的液晶显示器包括背光模组10、液晶显示面板30以及位于所述背光模组10与所述液晶显示面板30之间的动态背光遮光板20,所述动态背光遮光板20含有反射式电致发光材料。
所述反射式电致发光材料是指材料的光学属性在外加电场的作用下发生稳定、可逆变化的现象,在外观上表现为颜色和透明度的可逆变化。所述反射式电致发光材料的变色机理是在电驱动下发生氧化还原反应,主要通过对光的吸收实现透过率的可控调节。使用于动态背光时,由于光线被吸收,背光的利用效率不高,并且对动态对比度提高的效果不明显。
具体的,所述动态背光遮光板20包括电致变色模块21以及电致变色控制模块22,所述电致变色模块21包括多个独立可控的电致变色单元211;所述电致变色控制模块22通过实时分析所述液晶显示面板30显示画面不同区域的亮度信息,根据该亮度信息实时调节相应区域的所述电致变色单元211的光透过率,实现动态背光,提高对比度。
具体的,所述背光模组10为直下式背光模组或者侧入式背光模组;所述直下式背光模组10包括:背板、设置于所述背板之上的多个呈阵列分布的光源结构以及设置在所述背板各个侧边的侧反射片。
如图2所示,为本申请液晶显示器对背光源进行动态调节的原理示意图。其中,所述液晶显示面板30在显示明暗不一的画面时,所述液晶显示面板30的显示区域中包括灰暗区域以及明暗区域。当所述背光模组10发出的光源经过所述动态背光遮光板20时,所述动态背光遮光板20中的所述电致变色控制模块22对所述电致变色模块21中的所述电致变色单元211施加一定的电压,使所述灰暗区域对应的部分所述动态背光遮光板20的背光透过率降低,所述动态背光遮光板20将不能透过的部分光通过所述背光模组10反射,并经过所述背光模组10的反射板收集以后进一步反射,一方面可以加强所述明亮区域的亮度,进一步提高动态对比度,同时提高了所述背光模组10的光源的利用率。
如图3所示,为本申请液晶显示器中的电致变色单元的结构示意图。其中,所述电致变色单元包括由下到上设置的第一玻璃基板401、第一导电层402、第二导电层403以及第二玻璃基板404,位于所述第一导电层402与所述第二导电层403之间的边缘两端分别设置有间隙子405,所述第一导电层402与所述第二导电层403以及所述间隙子405围成区域D,所述区域D中由下到上层叠设置有对电极层406、电解质407以及电致变色层408。
具体的,所述第一玻璃基板401上设置有TFT(薄膜晶体管)。
具体的,所述第一导电层402以及所述第二导电层403的材料均为透明导电氧化物薄膜。
具体的,所述电解质407至少包含硝酸银以及氯化铜。
具体的,所述电致变色层408为银纳米颗粒电致变色薄膜;所述银纳米颗粒电致变色薄膜中的银纳米颗粒的晶粒尺寸范围为10~100纳米。
在所述液晶显示面板某区域显示为明亮画面时,不施加电压,所述电致变色层408不发生反应,所述动态背光遮光板20保持透过状态。
在所述液晶显示面板某区域显示为灰暗画面时,在电压控制下,所述电致变色层408会发生局域表面等离子体共振电致变色效应,其透过率会发生可控减小,降低灰暗区域的背光透过率;特别的,未被透过的光主要是被反射,可以被所述背光模组的反射板收集以后进一步反射,一方面可以加强明像区域的亮度,进一步提高动态对比度,同时可以提高背光模组的光源的利用率。
在极端条件下所述液晶显示面板某区域显示为纯黑画面时,所述电致变色层408会形成反射镜,将该处背光基本全部反射,形成极高对比度。
本申请提供的液晶显示器,能够在显示明暗不一的画面时,能够动态调节背光,一方面可以加强明亮区域的亮度,进一步提高动态对比度,同时提高了背光模组光源的利用率。
本申请的有益效果为:本申请所提供的液晶显示器,在液晶显示面板与背光模组之间设置有含有反射式电致发光材料的动态背光遮光板,进一步提高动态对比度,更进一步提高了背光模组光源的利用率。
综上所述,虽然本申请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 (19)

  1. 一种液晶显示器,其中,包括背光模组、液晶显示面板以及位于所述背光模组与所述液晶显示面板之间的动态背光遮光板,所述动态背光遮光板含有反射式电致发光材料。
  2. 根据权利要求1所述的液晶显示器,其中,所述动态背光遮光板包括电致变色模块以及电致变色控制模块,所述电致变色模块包括多个独立可控的电致变色单元。
  3. 根据权利要求2所述的液晶显示器,其中,所述电致变色单元包括由下到上设置的第一玻璃基板、第一导电层、第二导电层以及第二玻璃基板,位于所述第一导电层与所述第二导电层之间的边缘两端分别设置有间隙子,所述第一导电层与所述第二导电层以及所述间隙子围成区域D,所述区域D中由下到上层叠设置有对电极层、电解质以及电致变色层。
  4. 根据权利要求3所述的液晶显示器,其中,所述第一玻璃基板上设置有TFT。
  5. 根据权利要求3所述的液晶显示器,其中,所述第一导电层以及所述第二导电层的材料均为透明导电氧化物薄膜。
  6. 根据权利要求3所述的液晶显示器,其中,所述电解质至少包含硝酸银以及氯化铜。
  7. 根据权利要求3所述的液晶显示器,其中,所述电致变色层为银纳米颗粒电致变色薄膜。
  8. 根据权利要求7所述的液晶显示器,其中,所述银纳米颗粒电致变色薄膜中的银纳米颗粒的晶粒尺寸范围为10~100纳米。
  9. 根据权利要求1所述的液晶显示器,其中,所述背光模组为直下式背光模组或者侧入式背光模组。
  10. 根据权利要求9所述的液晶显示器,其中,所述直下式背光模组包括:背板、设置于所述背板之上的多个呈阵列分布的光源结构以及设置在所述背板各个侧边的侧反射片。
  11. 一种液晶显示器,其中,包括背光模组、液晶显示面板以及位于所述背光模组与所述液晶显示面板之间的动态背光遮光板,所述动态背光遮光板含有反射式电致发光材料;所述动态背光遮光板包括电致变色模块以及电致变色控制模块,所述电致变色模块包括多个独立可控的电致变色单元。
  12. 根据权利要求11所述的液晶显示器,其中,所述电致变色单元包括由下到上设置的第一玻璃基板、第一导电层、第二导电层以及第二玻璃基板,位于所述第一导电层与所述第二导电层之间的边缘两端分别设置有间隙子,所述第一导电层与所述第二导电层以及所述间隙子围成区域D,所述区域D中由下到上层叠设置有对电极层、电解质以及电致变色层。
  13. 根据权利要求12所述的液晶显示器,其中,所述第一玻璃基板上设置有TFT。
  14. 根据权利要求12所述的液晶显示器,其中,所述第一导电层以及所述第二导电层的材料均为透明导电氧化物薄膜。
  15. 根据权利要求12所述的液晶显示器,其中,所述电解质至少包含硝酸银以及氯化铜。
  16. 根据权利要求12所述的液晶显示器,其中,所述电致变色层为银纳米颗粒电致变色薄膜。
  17. 根据权利要求16所述的液晶显示器,其中,所述银纳米颗粒电致变色薄膜中的银纳米颗粒的晶粒尺寸范围为10~100纳米。
  18. 根据权利要求11所述的液晶显示器,其中,所述背光模组为直下式背光模组或者侧入式背光模组。
  19. 根据权利要求18所述的液晶显示器,其中,所述直下式背光模组包括:背板、设置于所述背板之上的多个呈阵列分布的光源结构以及设置在所述背板各个侧边的侧反射片。
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