WO2016197405A1 - 彩膜基板及液晶面板 - Google Patents

彩膜基板及液晶面板 Download PDF

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Publication number
WO2016197405A1
WO2016197405A1 PCT/CN2015/082165 CN2015082165W WO2016197405A1 WO 2016197405 A1 WO2016197405 A1 WO 2016197405A1 CN 2015082165 W CN2015082165 W CN 2015082165W WO 2016197405 A1 WO2016197405 A1 WO 2016197405A1
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Prior art keywords
sub
color
pixel
compound
region
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PCT/CN2015/082165
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English (en)
French (fr)
Inventor
于晓平
陈孝贤
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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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Priority to US14/777,523 priority Critical patent/US9740072B2/en
Publication of WO2016197405A1 publication Critical patent/WO2016197405A1/zh
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    • 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 
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Definitions

  • the present invention relates to the field of display technologies, and in particular, to a color film substrate and a liquid crystal panel.
  • LCD Liquid crystal display
  • PDA personal digital assistant
  • digital camera computer screen or laptop screen.
  • a liquid crystal display device includes a housing, a liquid crystal display panel disposed in the housing, and a backlight module disposed in the housing.
  • the structure of the liquid crystal display panel is mainly composed of a Thin Film Transistor Array Substrate (TFT Array Substrate), a color filter substrate (Color Filter, CF), and a liquid crystal layer disposed between the two substrates (Liquid Crystal). Layer) is constructed by controlling the rotation of the liquid crystal molecules of the liquid crystal layer by applying a driving voltage on the two glass substrates, and refracting the light of the backlight module to produce a picture.
  • the liquid crystal display can display color images mainly by the color film substrate.
  • the performance of the color film substrate directly affects the color saturation, color contrast, and display brightness of the liquid crystal display.
  • FIG. 1 is a schematic top view of a conventional color film substrate.
  • the color filter substrate includes a substrate 100, a color resist layer 200 disposed on the substrate 100, and a black matrix 400.
  • the color resist layer 200 includes a plurality of color resist blocks 300 arranged in a matrix, and the color resist block 300 can be A red color block (R), a green color block (G), or a blue color block (B), the plurality of color block 300 are spaced apart by a black matrix 400, and all the color block 300 are strips Structure design.
  • each color block 300 corresponds to one sub-pixel in the liquid crystal display, and the color coordinate setting of the different color sub-pixels can reflect the color performance capability of the liquid crystal display, and the color expressed by applying voltage to different color sub-pixels is subject to color resistance.
  • Limitation of color performance capabilities In order to improve the color performance of a certain color resistance, the visible light transmittance of the color sub-pixel may be lost, so that the overall display brightness of the liquid crystal display is lowered.
  • a display mode of high luminance or high color saturation has been realized by adding a white (W) matrix or a yellow (Y) matrix to obtain a display matrix of RGBW or RGBY.
  • W white
  • Y yellow
  • Electrochromism refers to the phenomenon that a material undergoes a stable and reversible change under the action of an electric field.
  • the material is electrochemically injected and extracted by electrons and ions, the valence state and chemical composition change.
  • the reflection and transmission properties of the material are changed, and the appearance performance is reflected as a reversible change in color and transparency. Its main features include: (1)
  • the injection and extraction of charge in electrochromic materials can be conveniently realized by changes in external voltage or current.
  • the amount of charge injected or extracted directly determines the degree of coloration of the material; (2) Changing the polarity of the voltage can conveniently achieve coloring or achromatic; (3) The colored material can maintain a colored state and has a memory function in the case of cutting off the current without occurrence of a redox reaction. Based on the above characteristics, electrochromic materials have been gradually used to prepare display devices.
  • the present invention provides a color filter substrate including a substrate, a color resist layer disposed on the substrate, and a black matrix, wherein the color resist layer includes a plurality of sub-pixel regions arranged in a matrix, The plurality of sub-pixel regions are separated by a black matrix, and the sub-pixel region includes a sub-pixel main region and a sub-pixel auxiliary region, and two sides of the sub-pixel auxiliary region are respectively provided with a first transparent electrode and a second electrically connected thereto Transparent electrode
  • the sub-pixel auxiliary region is prepared by using an electrochromic material, and controlling the voltage signals of the first transparent electrode and the second transparent electrode on both sides of the sub-pixel auxiliary region to control the sub-pixel auxiliary region
  • the color change realizes switching between the high color saturation and high brightness display modes of the color film substrate.
  • the electrochromic material is at least one of an n-type metal oxide and a cathode decolorizing conductive polymer.
  • the cathode decolorizing conductive polymer is a viologen compound, a phthalate compound, a pyridine compound, or an anthraquinone compound.
  • the electrochromic material is at least one of a p-type metal oxide and an anode decolorizing conductive polymer.
  • the anode decolorizing conductive polymer is an aniline compound, an aminoguanidine compound, an organic compound containing a rare earth element, a dibenzodioxin compound, or a dye compound.
  • the sub-pixel auxiliary region is prepared by vacuum sputtering deposition, chemical polymerization, or electrochemical polymerization.
  • the material of the main area of the sub-pixel is a mixture of a pigment and a photoresist; the main area of the sub-pixel is prepared by dispersing a pigment in a photoresist to prepare a photoresist mixture having a color, and then coloring the color.
  • the photoresist mixture is coated on a substrate and is obtained by a photolithography process such as exposure and development.
  • the sub-pixel auxiliary area exhibits other specific colors different from the main area of the sub-pixel without loading a voltage signal, and is transparent and does not display color when the voltage signal is applied.
  • the sub-pixel auxiliary region is transparent without displaying a voltage signal, and does not display a color, and in the case of loading a voltage signal, exhibits other specific colors different from the main region of the sub-pixel.
  • the present invention also provides a color filter substrate comprising a substrate, and a color resist layer and a black matrix disposed on the substrate, the color resist layer comprising a plurality of sub-pixel regions arranged in a matrix, the plurality of sub-pixel regions passing through The black matrix is spaced apart, and the sub-pixel area includes a sub-pixel main area and a sub-pixel auxiliary area, and two sides of the sub-pixel auxiliary area are respectively provided with a first transparent electrode and a second transparent electrode electrically connected thereto;
  • the sub-pixel auxiliary region is prepared by using an electrochromic material, and controlling the voltage signals of the first transparent electrode and the second transparent electrode on both sides of the sub-pixel auxiliary region to control the sub-pixel auxiliary region Color change, switching between the high color saturation and high brightness display modes of the color film substrate;
  • sub-pixel auxiliary region is prepared by vacuum sputtering deposition, chemical polymerization, or electrochemical polymerization;
  • the material of the main area of the sub-pixel is a mixture of a pigment and a photoresist;
  • the main area of the sub-pixel is prepared by dispersing a pigment in a photoresist to prepare a photoresist mixture having a color, and then having The photoresist mixture of the color is coated on the substrate, and is obtained by a photolithography process such as exposure, development, etc.;
  • the sub-pixel auxiliary area exhibits other specific colors different from the main area of the sub-pixel without loading the voltage signal, and is transparent and does not display color when the voltage signal is applied.
  • the invention also provides a liquid crystal panel comprising the above color film substrate.
  • the present invention provides a color filter substrate including a substrate, a color resist layer disposed on the substrate, and a black matrix, the color resist layer including a plurality of sub-pixel regions arranged in a matrix, The plurality of sub-pixel regions are separated by a black matrix, the sub-pixel region includes a sub-pixel main region and a sub-pixel auxiliary region, and the first transparent electrode and the second transparent electrode are respectively disposed on two sides of the sub-pixel auxiliary region, and the sub-pixel region
  • the pixel auxiliary region is prepared by using an electrochromic material, and by controlling a voltage applied to the two sides of the sub-pixel auxiliary region by the first transparent electrode and the second transparent electrode, the color change of the sub-pixel auxiliary region is controlled, and the The visible light transmittance and the color expression of the sub-pixel auxiliary region are described, so that the color film substrate can switch between the high color saturation and the high brightness display mode.
  • the color film substrate of the present invention has the advantages of high contrast, wide viewing angle, rich color and the like.
  • the liquid crystal panel of the present invention is provided with a color filter substrate capable of switching between high color saturation and high brightness display mode, and can simultaneously satisfy the display requirement of high color saturation and high brightness.
  • 1 is a schematic plan view of a conventional color film substrate
  • FIG. 2 is a top plan view showing the color film substrate of the present invention in a high color saturation display mode
  • 3 is a schematic view showing color coordinates of the color film substrate of the present invention in a high color saturation display mode
  • FIG. 4 is a top plan view of the color film substrate of the present invention in a high brightness display mode.
  • the present invention firstly provides a color filter substrate comprising a substrate 1 , a color resist layer 2 disposed on the substrate 1 , and a black matrix 4 , wherein the color resist layer 2 is arranged in a matrix. a plurality of sub-pixel regions 3, the plurality of sub-pixel regions 3 being spaced apart by a black matrix 4, the sub-pixel region 3 including a sub-pixel main region 21 and a sub-pixel auxiliary region 22, both sides of the sub-pixel auxiliary region 22
  • the first transparent electrode 41 and the second transparent electrode 42 electrically connected thereto are respectively provided.
  • the sub-pixel auxiliary region 22 is prepared from an electrochromic material, and the sub-pixel auxiliary electrode 22 and the second transparent electrode 42 are controlled to be loaded with voltage signals on both sides of the sub-pixel auxiliary region 22 to control the sub-pixel.
  • the color change of the pixel auxiliary region 22 realizes switching between the high color saturation and high brightness display modes of the color film substrate.
  • the electrochromic material may be at least one of an n-type metal oxide and a cathodic decolorizing conductive polymer; preferably, the cathodic decolorizing conductive polymer is a viologen compound, a phthalate. a compound, a pyridine compound, or a quinone compound.
  • the electrochromic material may also be at least one of a p-type metal oxide and an anode decolorizing conductive polymer; preferably, the anode decolorizing conductive polymer is an aniline compound, an amino quinone compound, and a rare earth element-containing compound.
  • An organic compound, a dibenzodioxin compound, or a dye compound may also be at least one of a p-type metal oxide and an anode decolorizing conductive polymer; preferably, the anode decolorizing conductive polymer is an aniline compound, an amino quinone compound, and a rare earth element-containing compound.
  • An organic compound, a dibenzodioxin compound, or a dye compound is an organic compound, a dibenzodioxin compound, or a dye compound.
  • the sub-pixel auxiliary region 22 may be prepared in a suitable manner according to the characteristics of the electrochromic material, such as by vacuum sputtering deposition, chemical polymerization, or electrochemical polymerization.
  • the material of the sub-pixel main area 21 is a mixture of a pigment and a photoresist, and the pigment may be a red, green, or blue pigment, so that the sub-pixel main area 21 may exhibit red, green, or blue.
  • the sub-pixel main region 21 can be prepared by a pigment dispersion method, in which a pigment is dispersed in a photoresist to prepare a photoresist mixture having a color, and the colored photoresist mixture is coated on the substrate 1. After exposure, development and other lithography processes.
  • the substrate 1 is a transparent glass substrate.
  • the sub-pixel auxiliary region 22 can have two color-changing modes by selecting a suitable electrochromic material:
  • the first color change mode is: the sub-pixel auxiliary area 22 is configured to present other specific colors different from the sub-pixel main area 21 without loading a voltage signal, in the case of loading a voltage signal. Transparent, no color is displayed.
  • the second color change mode is that the sub-pixel auxiliary region 22 is disposed in a transparent state without displaying a voltage signal, and does not display a color, and in the case of loading a voltage signal, exhibits a difference from the sub-pixel main region 21
  • Other specific colors can also achieve switching between the high brightness and high color saturation display modes of the color film substrate of the present invention.
  • the present application mainly describes the first color change mode.
  • the color film substrate is switched between the high color saturation and high brightness display modes as follows. :
  • the three sub-pixel regions 3 are sequentially arranged in the color filter substrate.
  • the sub-pixel main areas 21 respectively exhibit red (R), green (G), and blue (B), and the sub-pixel auxiliary areas 22 of the three sub-pixel areas 3 arranged in sequence respectively exhibit red, green, and blue colors.
  • the other three specific colors, at this time, the color film substrate is in a high color saturation display mode.
  • FIG. 3 is a schematic diagram of chromaticity coordinates of the color film substrate of the present invention in a high color saturation display mode, wherein the “NTSC standard” represents an existing three color block including only red, green and blue.
  • the color film substrate, "six color coordinates" represents the color film substrate of the present application.
  • the existing color film substrate has only three color coordinates
  • the color film substrate of the present application has 6
  • the color coordinates include three color coordinates of the sub-pixel main area 21 and three color coordinates of the sub-pixel auxiliary area 22, and three color coordinates of the sub-pixel auxiliary area 22 are located in three of the sub-pixel main areas 21.
  • the color gamut is surrounded by the color gamut, thereby expanding the color rendering ability of the color filter substrate to achieve high color saturation display.
  • the sub-pixel auxiliary region 22 becomes transparent, thereby improving color.
  • the visible light transmittance of the film substrate the transmittance of the entire substrate is greatly improved, at this time, the color The film substrate is in a high brightness display mode.
  • the electrochromic material used in the present invention can easily realize the reversible change of color and transparency of the material by the change of external voltage or current, and the magnitude of the voltage applied to both ends of the electrochromic material determines the degree of discoloration of the material, and the electrolysis
  • the color-changing material can still maintain the coloring state under the condition of cutting off the power source, and the driving voltage required for the color change of the electrochromic material is low, and the reaction is sensitive, so that the display requirement of high color saturation and high brightness can be satisfied.
  • the present invention further provides a liquid crystal panel, wherein the color film substrate is provided, which can switch between a high color saturation and a high brightness display mode of the color film substrate, and simultaneously satisfies high color saturation and high brightness. Show requirements.
  • the present invention provides a color filter substrate including a substrate, a color resist layer disposed on the substrate, and a black matrix, the color resist layer including a plurality of sub-pixel regions arranged in a matrix, the number The sub-pixel regions are separated by a black matrix, the sub-pixel region includes a sub-pixel main region and a sub-pixel auxiliary region, and the first transparent electrode and the second transparent electrode are respectively disposed on two sides of the sub-pixel auxiliary region, and the sub-pixel
  • the auxiliary region is prepared by using an electrochromic material, and by controlling a voltage applied to both sides of the sub-pixel auxiliary region by the first transparent electrode and the second transparent electrode, the color change of the sub-pixel auxiliary region is controlled, and the The visible light transmittance and the color expression of the sub-pixel auxiliary region enable the color film substrate to switch between the high color saturation and the high brightness display mode.
  • the color film substrate of the present invention has the advantages of high contrast, wide viewing angle, rich color and the like.
  • the liquid crystal panel of the present invention is provided with a color filter substrate capable of switching between high color saturation and high brightness display mode, and can simultaneously satisfy the display requirement of high color saturation and high brightness.

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Abstract

一种彩膜基板及液晶面板，彩膜基板包括基板（1）、及设于基板（1）上的色阻层（2）与黑色矩阵（4），色阻层（2）包括呈矩阵排列的数个子像素区域（3），数个子像素区域（3）通过黑色矩阵（4）间隔开，子像素区域（3）包括子像素主区（21）与子像素辅区（22），子像素辅区（22）的两侧分别设有与其电性连接的第一透明电极（41）与第二透明电极（42）；子像素辅区（22）由电致变色材料制备而成，通过调控第一透明电极（41）与第二透明电极（42）加载于子像素辅区（22）两侧的电压信号，控制子像素辅区（22）的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换。液晶面板包括设有可实现高色饱与高亮度显示模式的切换的彩膜基板，能够同时满足高色饱和高亮度的显示需求。

Description

彩膜基板及液晶面板 技术领域
本发明涉及显示技术领域，尤其涉及一种彩膜基板及液晶面板。
背景技术
液晶显示装置(LCD，Liquid Crystal Display)具有机身薄、省电、无辐射等众多优点，得到了广泛的应用。如：液晶电视、移动电话、个人数字助理(PDA)、数字相机、计算机屏幕或笔记本电脑屏幕等。
通常液晶显示装置包括壳体、设于壳体内的液晶显示面板及设于壳体内的背光模组(Backlight module)。其中，液晶显示面板的结构主要是由一薄膜晶体管阵列基板(Thin Film Transistor Array Substrate，TFT Array Substrate)、一彩膜基板(Color Filter，CF)、以及配置于两基板间的液晶层(Liquid Crystal Layer)所构成，其工作原理是通过在两片玻璃基板上施加驱动电压来控制液晶层的液晶分子的旋转，将背光模组的光线折射出来产生画面。液晶显示器能呈现彩色影像主要是靠彩膜基板，彩膜基板性能的好坏直接影响到液晶显示器的色彩饱和度、色彩对比度、及显示亮度等性能。
请参阅图1，为一种现有的彩膜基板的俯视示意图。该彩膜基板包括基板100、设于所述基板100上的色阻层200与黑色矩阵400，所述色阻层200包括呈矩阵排列的数个色阻块300，所述色阻块300可以为红色色阻块(R)，绿色色阻块(G)、或蓝色色阻块(B)，所述数个色阻块300通过黑色矩阵400间隔开，并且所有色阻块300均采用条状结构设计。其中，每一色阻块300对应液晶显示器中的一个子像素，不同颜色子像素的色坐标设置能够体现液晶显示器的色彩表现能力，对不同颜色子像素施加电压所表现出来的色彩会受到色阻的色彩表现能力的限制。为提高某色阻的色彩表现能力，可能会损失掉该颜色子像素的可见光透过率，从而使得液晶显示器整体的显示亮度降低。目前，已有通过增加白色(W)矩阵或黄色(Y)矩阵得到RGBW或RGBY的显示矩阵的方法来实现高亮度或高色彩饱和度的显示模式。然而在增加色彩饱和度的同时会降低显示器的显示亮度，无法同时满足高色饱和高亮度显示的需求。
电致变色是指材料在电场作用下产生稳定可逆变化的现象。当材料在电化学作用下发生电子与离子的注入与抽出，使其价态和化学组分发生变 化，从而使材料的反射与透射性能改变，在外观性能上则表现为颜色及透明度的可逆变化。其主要特点包括：(1)电致变色材料中电荷的注入与抽出可以通过外界电压或电流的改变而方便地实现，注入或抽出电荷的多少直接决定了材料的致色程度；(2)通过改变电压的极性可以方便地实现着色或消色；(3)已着色的材料在切断电流而不发生氧化还原反应的情况下，可以保持着色状态，具有记忆功能。基于以上特点，电致变色材料已经逐渐用于制备显示器件。
发明内容
本发明的目的在于提供一种彩膜基板，其可以在高色饱与高亮度显示模式之间进行切换。
本发明的目的还在于提供一种液晶面板，其可以在高色饱与高亮度显示模式之间进行切换。
为实现上述目的，本发明提供一种彩膜基板，其包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区的两侧分别设有与其电性连接的第一透明电极与第二透明电极；
所述子像素辅区由电致变色材料制备而成，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压信号，控制所述子像素辅区的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换。
所述电致变色材料为n型金属氧化物和阴极脱色导电聚合物中的至少一种。
所述阴极脱色导电聚合物为紫罗碱类化合物、邻苯二甲酸酯类化合物、吡啶类化合物、或蒽醌类化合物。
所述电致变色材料为p型金属氧化物和阳极脱色导电聚合物中的至少一种。
所述阳极脱色导电聚合物为苯胺类化合物、氨基醌类化合物、含有稀土元素的有机化合物、二苯并二噁英类化合物、或染料化合物。
所述子像素辅区通过真空溅射沉积、化学聚合、或电化学聚合的方式制备。
所述子像素主区的材料为颜料与光阻的混合物；所述子像素主区的制备方法为：将颜料分散在光阻中，制备出具有颜色的光阻混合物，再将该具有颜色的光阻混合物涂布在基板上，经过曝光，显影等光刻工艺后制得。
所述子像素辅区在不加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色，在加载电压信号的情况下呈透明状、不显示颜色。
所述子像素辅区在不加载电压信号的情况下呈透明状、不显示颜色，而在加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色。
本发明还提供一种彩膜基板，包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区的两侧分别设有与其电性连接的第一透明电极与第二透明电极；
所述子像素辅区由电致变色材料制备而成，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压信号，控制所述子像素辅区的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换；
其中，所述子像素辅区通过真空溅射沉积、化学聚合、或电化学聚合的方式制备；
其中，所述子像素主区的材料为颜料与光阻的混合物；所述子像素主区的制备方法为：将颜料分散在光阻中，制备出具有颜色的光阻混合物，再将该具有颜色的光阻混合物涂布在基板上，经过曝光，显影等光刻工艺后制得；
其中，所述子像素辅区在不加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色，在加载电压信号的情况下呈透明状、不显示颜色。
本发明还提供一种液晶面板，包括上述彩膜基板。
本发明的有益效果：本发明提供一种彩膜基板，包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区两侧分别设有第一透明电极与第二透明电极，所述子像素辅区采用电致变色材料制备，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压，控制所述子像素辅区的颜色变化，可以改变所述子像素辅区的可见光透过率及色彩表现力，从而使彩膜基板实现高色饱与高亮度显示模式的切换。除了能够同时满足高色饱和高亮度的显示需求外，本发明的彩膜基板还具有对比度高，广视角，色彩丰富等优点。本发明的液晶面板，其中设有可实现高色饱与高亮度显示模式的切换的彩膜基板，能够同时满足高色饱和高亮度的显示需求。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为一种现有的彩膜基板的俯视示意图；
图2为本发明的彩膜基板处于高色饱显示模式时的俯视示意图；
图3为本发明的彩膜基板处于高色饱显示模式时的色坐标示意图；
图4为本发明的彩膜基板处于高亮度显示模式时的俯视示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图2与图4，本发明首先提供一种彩膜基板，包括基板1、及设于所述基板1上的色阻层2与黑色矩阵4，所述色阻层2包括呈矩阵排列的数个子像素区域3，所述数个子像素区域3通过黑色矩阵4间隔开，所述子像素区域3包括子像素主区21与子像素辅区22，所述子像素辅区22的两侧分别设有与其电性连接的第一透明电极41与第二透明电极42。
所述子像素辅区22由电致变色材料制备而成，通过调控所述第一透明电极41与第二透明电极42加载于所述子像素辅区22两侧的电压信号，控制所述子像素辅区22的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换。
具体的，所述电致变色材料可以是n型金属氧化物和阴极脱色导电聚合物中的至少一种；优选的，所述阴极脱色导电聚合物为紫罗碱类化合物、邻苯二甲酸酯类化合物、吡啶类化合物、或蒽醌类化合物。
所述电致变色材料也可以是p型金属氧化物和阳极脱色导电聚合物中的至少一种；优选的，所述阳极脱色导电聚合物为苯胺类化合物、氨基醌类化合物、含有稀土元素的有机化合物、二苯并二噁英类化合物、或染料化合物。
所述子像素辅区22可以根据电致变色材料的特性，选择合适的方式制备，如通过真空溅射沉积、化学聚合、或电化学聚合的方式制备。
具体的，所述子像素主区21的材料为颜料与光阻的混合物，所述颜料可以为红色、绿色、或蓝色颜料，使得所述子像素主区21可以呈现出红色、绿色、或蓝色。
所述子像素主区21可以通过颜料分散法制备，具体步骤为：将颜料分散在光阻中，制备出具有颜色的光阻混合物，再将该具有颜色的光阻混合物涂布在基板1上，经过曝光，显影等光刻工艺后制得。
优选的，所述基板1为透明玻璃基板。
具体的，根据电致变色材料的特性的不同，通过选择合适的电致变色材料，可以使所述子像素辅区22具有两种变色模式：
具体的，第一种变色模式为：所述子像素辅区22设置为在不加载电压信号的情况下，呈现出与子像素主区21不同的其它特定颜色，在加载电压信号的情况下呈透明状、不显示颜色。
第二种变色模式为：所述子像素辅区22设置在不加载电压信号的情况下呈透明状、不显示颜色，而在加载电压信号的情况下，呈现出与子像素主区21不同的其它特定颜色，同样能够实现本发明的彩膜基板在高亮度与高色饱显示模式之间的切换。
本申请主要对第一种变色模式进行详细描述，当所述子像素辅区22设置为第一种变色模式时，所述彩膜基板在高色饱与高亮度显示模式之间的切换方式如下：
如图2所示，所述第一透明电极41与第二透明电极42未在所述子像素辅区22两侧加载电压信号时，所述彩膜基板中依次排列的3个子像素区域3中的子像素主区21分别呈现出红色(R)、绿色(G)和蓝色(B)，依次排列的3个子像素区域3中的子像素辅区22分别呈现出红、绿、蓝以外的其它3种特定颜色，此时，所述彩膜基板处于高色饱显示模式。
如图3所示，为本发明的彩膜基板处于高色饱显示模式时的色度坐标示意图，其中，“NTSC标准”代表的是现有的仅包括红、绿、蓝三种色阻块的彩膜基板，“六色坐标”代表的是本申请的彩膜基板，从图3中看出，现有的彩膜基板仅具有3个色坐标，而本申请的彩膜基板则具有6个色坐标，包括子像素主区21的3个色坐标与子像素辅区22的3个色坐标，所述子像素辅区22的3个色坐标位于所述子像素主区21的3个色坐标围成的色域之外，从而扩展该彩膜基板的色彩表现能力，实现高色饱显示。
如图4所示，所述第一透明电极41与第二透明电极42在所述子像素辅区22两侧加载电压信号后，所述子像素辅区22变为透明状，从而提高了彩膜基板的可见光透过率，整个基板的穿透率大幅提升，此时，所述彩 膜基板处于高亮度显示模式。
本发明采用的电致变色材料可以通过外界电压或电流的改变方便地实现材料在颜色及透明度的可逆变化，加载于电致变色材料两端的电压的大小决定材料的变色程度，且所述电致变色材料在切断电源的状况下仍然可以保持着色状态，由于电致变色材料实现变色所需的驱动电压低，反应较灵敏，因此可以满足高色饱和高亮度的显示需求。
基于上述彩膜基板，本发明还提供一种液晶面板，其中设有上述彩膜基板，可通过彩膜基板的高色饱与高亮度显示模式之间的切换，同时满足高色饱和高亮度的显示需求。
综上所述，本发明提供一种彩膜基板，包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区两侧分别设有第一透明电极与第二透明电极，所述子像素辅区采用电致变色材料制备，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压，控制所述子像素辅区的颜色变化，可以改变所述子像素辅区的可见光透过率及色彩表现力，从而使彩膜基板实现高色饱与高亮度显示模式的切换。除了能够同时满足高色饱和高亮度的显示需求外，本发明的彩膜基板还具有对比度高，广视角，色彩丰富等优点。本发明的液晶面板，其中设有可实现高色饱与高亮度显示模式的切换的彩膜基板，能够同时满足高色饱和高亮度的显示需求。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (15)

  1. 一种彩膜基板，包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区的两侧分别设有与其电性连接的第一透明电极与第二透明电极；
    所述子像素辅区由电致变色材料制备而成，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压信号，控制所述子像素辅区的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换。
  2. 如权利要求1所述的彩膜基板，其中，所述电致变色材料为n型金属氧化物和阴极脱色导电聚合物中的至少一种。
  3. 如权利要求2所述的彩膜基板，其中，所述阴极脱色导电聚合物为紫罗碱类化合物、邻苯二甲酸酯类化合物、吡啶类化合物、或蒽醌类化合物。
  4. 如权利要求1所述的彩膜基板，其中，所述电致变色材料为p型金属氧化物和阳极脱色导电聚合物中的至少一种。
  5. 如权利要求4所述的彩膜基板，其中，所述阳极脱色导电聚合物为苯胺类化合物、氨基醌类化合物、含有稀土元素的有机化合物、二苯并二噁英类化合物、或染料化合物。
  6. 如权利要求1所述的彩膜基板，其中，所述子像素辅区通过真空溅射沉积、化学聚合、或电化学聚合的方式制备。
  7. 如权利要求1所述的彩膜基板，其中，所述子像素主区的材料为颜料与光阻的混合物；所述子像素主区的制备方法为：将颜料分散在光阻中，制备出具有颜色的光阻混合物，再将该具有颜色的光阻混合物涂布在基板上，经过曝光，显影等光刻工艺后制得。
  8. 如权利要求1所述的彩膜基板，其中，所述子像素辅区在不加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色，在加载电压信号的情况下呈透明状、不显示颜色。
  9. 如权利要求1所述的彩膜基板，其中，所述子像素辅区在不加载电压信号的情况下呈透明状、不显示颜色，而在加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色。
  10. 一种彩膜基板，包括基板、及设于所述基板上的色阻层与黑色矩阵，所述色阻层包括呈矩阵排列的数个子像素区域，所述数个子像素区域 通过黑色矩阵间隔开，所述子像素区域包括子像素主区与子像素辅区，所述子像素辅区的两侧分别设有与其电性连接的第一透明电极与第二透明电极；
    所述子像素辅区由电致变色材料制备而成，通过调控所述第一透明电极与第二透明电极加载于所述子像素辅区两侧的电压信号，控制所述子像素辅区的颜色变化，实现彩膜基板在高色饱与高亮度显示模式之间的切换；
    其中，所述子像素辅区通过真空溅射沉积、化学聚合、或电化学聚合的方式制备；
    其中，所述子像素主区的材料为颜料与光阻的混合物；所述子像素主区的制备方法为：将颜料分散在光阻中，制备出具有颜色的光阻混合物，再将该具有颜色的光阻混合物涂布在基板上，经过曝光，显影等光刻工艺后制得；
    其中，所述子像素辅区在不加载电压信号的情况下，呈现出与子像素主区不同的其它特定颜色，在加载电压信号的情况下呈透明状、不显示颜色。
  11. 如权利要求10所述的彩膜基板，其中，所述电致变色材料为n型金属氧化物和阴极脱色导电聚合物中的至少一种。
  12. 如权利要求11所述的彩膜基板，其中，所述阴极脱色导电聚合物为紫罗碱类化合物、邻苯二甲酸酯类化合物、吡啶类化合物、或蒽醌类化合物。
  13. 如权利要求10所述的彩膜基板，其中，所述电致变色材料为p型金属氧化物和阳极脱色导电聚合物中的至少一种。
  14. 如权利要求13所述的彩膜基板，其中，所述阳极脱色导电聚合物为苯胺类化合物、氨基醌类化合物、含有稀土元素的有机化合物、二苯并二噁英类化合物、或染料化合物。
  15. 一种液晶面板，包括如权利要求1所述的彩膜基板。
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