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CN105044963B - 显示面板及其制作方法 - Google Patents

显示面板及其制作方法 Download PDF

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CN105044963B
CN105044963B CN201510489939.3A CN201510489939A CN105044963B CN 105044963 B CN105044963 B CN 105044963B CN 201510489939 A CN201510489939 A CN 201510489939A CN 105044963 B CN105044963 B CN 105044963B
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CN105044963A (zh
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马超
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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 PCT/CN2015/087906 priority patent/WO2017024613A1/zh
Priority to US14/781,587 priority patent/US9977284B2/en
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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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • 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
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    • G—PHYSICS
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    • 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
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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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    • G02F1/1339—Gaskets; Spacers; Sealing of cells
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    • G—PHYSICS
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    • 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
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    • G02F1/134336—Matrix
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    • 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
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    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
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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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
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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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13762—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering containing luminescent or electroluminescent additives
    • G—PHYSICS
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    • 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
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    • G—PHYSICS
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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 
    • 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
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Abstract

本发明提供一种显示面板及其制作方法，所述显示面板的结构简单，制作成本低，同时具有良好的显示品质。本发明的显示面板的制作方法，通过将聚合物分散液晶与量子点进行结合，并对传统上、下基板的结构进行改造，制得新型显示面板，与传统的显示面板的制程相比，省去了彩色光阻层、配向膜及偏光片等部件的制作或添加，制程简单，制作成本低，同时制得的显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。

Description

显示面板及其制作方法
技术领域
本发明涉及显示技术领域，尤其涉及一种显示面板及其制作方法。
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。现有市场上的液晶显示装置大部分为背光型液晶显示装置，其包括液晶显示面板及背光模组(backlight module)。通常液晶显示面板由彩膜基板(CF，Color Filter)、薄膜晶体管基板(TFT，Thin Film Transistor)、夹于彩膜基板与薄膜晶体管基板之间的液晶(LC，Liquid Crystal)及密封胶框(Sealant)组成；液晶显示面板的工作原理是在两片平行的玻璃基板当中放置液晶分子，通过玻璃基板通电与否来控制液晶分子取向，改变背光模组的光线的偏振状态，并藉由偏光板实现光路的穿透与阻挡，实现显示的目的。
聚合物分散液晶(polymer dispersed liquid crystal，PDLC)作为液晶调光阀，近年已被广泛关注和使用，其是将低分子液晶与预聚物相混合，在一定条件下经聚合反应，形成微米级的液晶微滴均匀地分散在高分子网络中，再利用液晶分子的介电各向异性获得具有电光响应特性的材料，它主要工作在散射态和透明态之间并具有一定的灰度。其工作原理是：在无外加电压的情形下，PDLC膜间不能形成有规律的电场，液晶微粒的光轴取向随机，呈现无序状态，其折射率与聚合物的折射率不匹配，入射光线被强烈散射，PDLC薄膜呈不透明或半透明状；施加了外电压后，液晶微粒的光轴垂直于薄膜表面排列，即与电场方向一致，液晶微粒的折射率与聚合物的折射率基本匹配，膜内无明显介面，构成了一基本均匀的介质，所以入射光不会发生散射，PDLC薄膜呈透明状。因此，在外加电场的驱动下，PDLC膜具备光开关特性，而且透明程度还会随着施加电压的增大而沿一定曲线式的提高。
另外，量子点(quantum dot，QD)作为新兴的显示器用材料，已经得到了广泛的认可和关注。量子点是准零维(quasi-zero-dimensional)的纳米材料，由少量的原子所构成。粗略地说，量子点三个维度的尺寸都在100纳米(nm)以下，外观恰似一极小的点状物，其内部电子在各方向上的运动都受到局限，所以量子限域效应(quantum confinement effect)特别显著。其具有激发光谱宽且连续分布，而发射光谱窄而对称，颜色可调，光化学稳定性高，荧光寿命长等优越的特性，是一种理想的发光材料。当前量子点根据能量的获得方式不同而主要有两类，其一为光致发光，其二为电致发光。量子点的发光颜色符合量子点的尺寸效应，即通过控制量子点的形状、结构和尺寸，可以调节其能隙宽度、激子束缚能的大小以及激子的能量蓝移等电子状态。随着量子点尺寸的逐渐减小，量子点的光吸收谱出现蓝移现象。尺寸越小，则谱蓝移现象也越显著。
发明内容
本发明的目的在于提供一种显示面板，与传统的显示面板相比，结构简单，制作成本低，同时具有良好的显示品质。
本发明的另一目的在于提供一种显示面板的制作方法，通过将聚合物分散液晶与量子点进行结合，并对传统上、下基板的结构进行改造，制得新型显示面板，与传统的显示面板的制程相比，省去了彩色光阻层、配向膜及偏光片等部件的制作或添加，制程简单，制作成本低，同时制得的显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。
为实现上述目的，本发明首先提供一种显示面板，包括上基板、下基板及设于所述上基板与下基板之间周边位置的边框胶；
所述上基板包括第一透明基板及设于所述第一透明基板上的透明有机材料层，所述透明有机材料层中设有呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板围成数个子像素凹槽，所述数个子像素凹槽包括红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽；所述红色子像素凹槽内设有红光量子点与PDLC的混合物，所述绿色子像素凹槽内设有绿光量子点与PDLC的混合物，所述蓝色子像素凹槽内设有蓝光量子点与PDLC的混合物，所述白色子像素凹槽内仅设有PDLC；
所述下基板包括第二透明基板、设于第二透明基板上的TFT层及设于TFT层上的像素电极层；所述像素电极层包括呈矩阵排列的数个像素电极，所述数个像素电极分别与所述上基板上的数个子像素凹槽对应设置。
所述数个子像素凹槽中每四个为一组，组成数个像素单元，每个像素单元包括一个红色子像素凹槽、一个绿色子像素凹槽、一个蓝色子像素凹槽及一个白色子像素凹槽。
所述像素单元中红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽按照任意顺序排列。
所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
在背景光为白光且施加电压的情况下，所述红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽中分别发出红、绿、蓝、白光，且所述红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽中发出的红、绿、蓝、白光的强度随着驱动电压的增大而增大；而在无外加电压的情况下，所述红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽均呈模糊不透明效果。
本发明还提供一种显示面板的制作方法，包括如下步骤：
步骤1、提供第一透明基板，在所述第一透明基板上涂布一层透明有机材料，形成透明有机材料层；
步骤2、对所述透明有机材料层进行图案化处理，在所述透明有机材料层上形成呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板围成数个子像素凹槽；
步骤3、将所述数个子像素凹槽按照每四个为一组，分成数个像素单元，每个像素单元包括一个红色子像素凹槽、一个绿色子像素凹槽、一个蓝色子像素凹槽及一个白色子像素凹槽；向所述红色子像素凹槽内定点喷印红光量子点与PDLC的混合物，向所述绿色子像素凹槽内定点喷印绿光量子点与PDLC的混合物，向所述蓝色子像素凹槽内定点喷印蓝光量子点与PDLC的混合物，向所述白色子像素凹槽内定点喷印PDLC，固化，从而得到上基板；
步骤4、提供下基板，所述下基板包括第二透明基板、设于第二透明基板上的TFT层及设于TFT层上的像素电极层；所述像素电极层包括呈矩阵排列的数个像素电极，所述数个像素电极分别与所述上基板上的数个子像素凹槽对应设置；
步骤5、在所述下基板周边涂布边框胶，将所述下基板与上基板进行真空贴合，得到显示面板。
所述步骤2具体为：在所述透明有机材料层上涂布光阻层，利用光罩对所述光阻层进行曝光、显影，以所述光阻层为遮蔽层，对所述透明有机材料层进行蚀刻，得到呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板围成数个子像素凹槽，去除光阻层。
所述像素单元中红色子像素凹槽、绿色子像素凹槽、蓝色子像素凹槽及白色子像素凹槽按照任意顺序排列。
所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
所述步骤5涂布的边框胶内设有间隔材。
本发明的有益效果：本发明提供一种显示面板及其制作方法，所述显示面板的结构简单，与传统的显示面板相比，省去了彩色光阻层、配向膜及偏光片等部件，制作成本低，同时显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，具有良好的显示品质。本发明的显示面板的制作方法，通过将聚合物分散液晶与量子点进行结合，并对传统上、下基板的结构进行改造，制得新型显示面板，与传统的显示面板的制程相比，省去了彩色光阻层、配向膜及偏光片等部件的制作或添加，制程简单，制作成本低，同时制得的显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。
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他有益效果显而易见。
附图中，
图1为本发明显示面板中的上基板的俯视示意图；
图2为本发明显示面板中的下基板的俯视示意图；
图3为本发明显示面板的制备方法的示意流程图；
图4为本发明显示面板的制备方法的步骤1的示意图；
图5为本发明显示面板的制备方法的步骤2制得的子像素凹槽的剖面示意图；
图6为本发明显示面板的制备方法的步骤2制得的子像素凹槽的附视示意图。
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1及图2，本发明首先提供一种显示面板，包括上基板10、下基板20及设于所述上基板10与下基板20之间周边位置的边框胶(未图示)。
请参阅图1，所述上基板10包括第一透明基板(未图示)及设于所述第一透明基板上的透明有机材料层12，所述透明有机材料层12中设有呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板围成数个子像素凹槽100，所述数个子像素凹槽100包括红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124；所述红色子像素凹槽121内设有红光量子点与PDLC的混合物，所述绿色子像素凹槽122内设有绿光量子点与PDLC的混合物，所述蓝色子像素凹槽123内设有蓝光量子点与PDLC的混合物，所述白色子像素凹槽124内仅设有PDLC。
具体的，所述数个子像素凹槽100中每四个为一组，组成数个像素单元120，每个像素单元120包括一个红色子像素凹槽121、一个绿色子像素凹槽122、一个蓝色子像素凹槽123及一个白色子像素凹槽124，所述像素单元120中红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124可以按照任意顺序排列。
具体的，所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
因此，在背景光为白光且施加电压的情况下，所述红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124中分别发出红、绿、蓝、白光，且所述红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124中发出的红、绿、蓝、白光的强度随着驱动电压的增大而增大。而在无外加电压的情况下，所述红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124均呈模糊不透明效果。
优选的，所述第一透明基板为玻璃基板。
请参阅图2，所述下基板20包括第二透明基板21、设于第二透明基板21上的TFT层(未图示)及设于TFT层上的像素电极层22。
所述像素电极层22包括呈矩阵排列的数个像素电极221，所述数个像素电极221分别与所述上基板10上的数个子像素凹槽100对应设置，以驱动子像素凹槽100内的聚合物分散液晶和激发量子点发光。
具体的，所述第二透明基板21为玻璃基板，所述像素电极层的材料为ITO(氧化铟锡)。
具体的，所述边框胶内设有间隔材，以维持上、下基板10、20的间距。
本发明提供的显示面板，通过将聚合物分散液晶及量子点进行结合，并对传统上、下基板的结构进行改造，形成新型显示面板，与传统的显示面板相比，省去了彩色光阻层、配向膜及偏光片等部件，结构简单，制作成本低，同时本发明显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。
请参阅图3，本发明还提供一种上述显示面板的制作方法，包括如下步骤：
步骤1、如图4所示，提供第一透明基板11，在所述第一透明基板11上涂布一层透明有机材料，形成透明有机材料层12。
优选的，第一透明基板11为玻璃基板。
步骤2、如图5和图6所示，对所述透明有机材料层12进行图案化处理，在所述透明有机材料层12上形成呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板11围成数个子像素凹槽100。
所述步骤2具体为：在所述透明有机材料层12上涂布光阻层，利用光罩对所述光阻层进行曝光、显影，以所述光阻层为遮蔽层，对所述透明有机材料层12进行蚀刻，得到呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板11围成数个子像素凹槽100，去除光阻层。
步骤3、请参阅图1，将所述数个子像素凹槽100按照每四个为一组，分成数个像素单元120，每个像素单元120包括一个红色子像素凹槽121、一个绿色子像素凹槽122、一个蓝色子像素凹槽123及一个白色子像素凹槽124；向所述红色子像素凹槽121内定点喷印红光量子点与PDLC的混合物，向所述绿色子像素凹槽122内定点喷印绿光量子点与PDLC的混合物，向所述蓝色子像素凹槽123内定点喷印蓝光量子点与PDLC的混合物，向所述白色子像素凹槽124内定点喷印PDLC，固化，从而得到如图1所示的上基板10。
具体的，所述像素单元120中红色子像素凹槽121、绿色子像素凹槽122、蓝色子像素凹槽123及白色子像素凹槽124可以按照任意顺序排列。
具体的，所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
步骤4、请参阅图2，提供下基板20，所述下基板20包括第二透明基板21、设于第二透明基板21上的TFT层(未图示)及设于TFT层上的像素电极层22；所述像素电极层22包括呈矩阵排列的数个像素电极221，所述数个像素电极221分别与所述上基板10上的数个子像素凹槽100对应设置。
优选的，所述第二透明基板21为玻璃基板。所述像素电极层的材料为ITO(氧化铟锡)。
步骤5、在所述下基板20周边涂布边框胶，将所述下基板20与上基板10进行真空贴合，制得本发明的显示面板。
具体的，所述边框胶内设有间隔材，以维持上、下基板10、20的间距。
上述显示面板的制作方法，通过将聚合物分散液晶与量子点进行结合，并对传统上、下基板的结构进行改造，制得新型显示面板，与传统的显示面板的制程相比，省去了彩色光阻层、配向膜及偏光片等部件的制作或添加，制程简单，制作成本低，同时制得的显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。
综上所述，本发明提供一种显示面板及其制作方法，所述显示面板的结构简单，制作成本低，同时具有良好的显示品质。本发明的显示面板的制作方法，通过将聚合物分散液晶与量子点进行结合，并对传统上、下基板的结构进行改造，制得新型显示面板，与传统的显示面板的制程相比，省去了彩色光阻层、配向膜及偏光片等部件的制作或添加，制程简单，制作成本低，同时制得的显示面板的显示效果新颖特殊，具有红、绿、蓝、白以及模糊不透明等五种显示效果，使得该显示面板具有良好的显示品质。
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后附的权利要求的保护范围。

Claims (10)

1.一种显示面板，其特征在于，包括上基板(10)、下基板(20)及设于所述上基板(10)与下基板(20)之间周边位置的边框胶；
所述上基板(10)包括第一透明基板及设于所述第一透明基板上的透明有机材料层(12)，所述透明有机材料层(12)中设有呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板围成数个子像素凹槽(100)，所述数个子像素凹槽(100)包括红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)；所述红色子像素凹槽(121)内设有红光量子点与PDLC的混合物，所述绿色子像素凹槽(122)内设有绿光量子点与PDLC的混合物，所述蓝色子像素凹槽(123)内设有蓝光量子点与PDLC的混合物，所述白色子像素凹槽(124)内仅设有PDLC；
所述下基板(20)包括第二透明基板(21)、设于第二透明基板(21)上的TFT层及设于TFT层上的像素电极层(22)；所述像素电极层(22)包括呈矩阵排列的数个像素电极(221)，所述数个像素电极(221)分别与所述上基板(10)上的数个子像素凹槽(100)对应设置。
2.如权利要求1所述的显示面板，其特征在于，所述数个子像素凹槽(100)中每四个为一组，组成数个像素单元(120)，每个像素单元(120)包括一个红色子像素凹槽(121)、一个绿色子像素凹槽(122)、一个蓝色子像素凹槽(123)及一个白色子像素凹槽(124)。
3.如权利要求2所述的显示面板，其特征在于，所述像素单元(120)中红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)按照任意顺序排列。
4.如权利要求1所述的显示面板，其特征在于，所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
5.如权利要求1所述的显示面板，其特征在于，在背景光为白光且施加电压的情况下，所述红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)中分别发出红、绿、蓝、白光，且所述红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)中发出的红、绿、蓝、白光的强度随着驱动电压的增大而增大；而在无外加电压的情况下，所述红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)均呈模糊不透明效果。
6.一种显示面板的制作方法，其特征在于，包括如下步骤：
步骤1、提供第一透明基板(11)，在所述第一透明基板(11)上涂布一层透明有机材料，形成透明有机材料层(12)；
步骤2、对所述透明有机材料层(12)进行图案化处理，在所述透明有机材料层(12)上形成呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板(11)围成数个子像素凹槽(100)；
步骤3、将所述数个子像素凹槽(100)按照每四个为一组，分成数个像素单元(120)，每个像素单元(120)包括一个红色子像素凹槽(121)、一个绿色子像素凹槽(122)、一个蓝色子像素凹槽(123)及一个白色子像素凹槽(124)；向所述红色子像素凹槽(121)内定点喷印红光量子点与PDLC的混合物，向所述绿色子像素凹槽(122)内定点喷印绿光量子点与PDLC的混合物，向所述蓝色子像素凹槽(123)内定点喷印蓝光量子点与PDLC的混合物，向所述白色子像素凹槽(124)内定点喷印PDLC，固化，从而得到上基板(10)；
步骤4、提供下基板(20)，所述下基板(20)包括第二透明基板(21)、设于第二透明基板(21)上的TFT层及设于TFT层上的像素电极层(22)；所述像素电极层(22)包括呈矩阵排列的数个像素电极(221)，所述数个像素电极(221)分别与所述上基板(10)上的数个子像素凹槽(100)对应设置；
步骤5、在所述下基板(20)周边涂布边框胶，将所述下基板(20)与上基板(10)进行真空贴合，得到显示面板。
7.如权利要求6所述的显示面板的制作方法，其特征在于，所述步骤2具体为：在所述透明有机材料层(12)上涂布光阻层，利用光罩对所述光阻层进行曝光、显影，以所述光阻层为遮蔽层，对所述透明有机材料层(12)进行蚀刻，得到呈矩阵排列的数个矩形通孔，所述数个矩形通孔与第一透明基板(11)围成数个子像素凹槽(100)，去除光阻层。
8.如权利要求6所述的显示面板的制作方法，其特征在于，所述像素单元(120)中红色子像素凹槽(121)、绿色子像素凹槽(122)、蓝色子像素凹槽(123)及白色子像素凹槽(124)按照任意顺序排列。
9.如权利要求6所述的显示面板的制作方法，其特征在于，所述红光量子点、绿光量子点、蓝光量子点均为电致发光量子点。
10.如权利要求6所述的显示面板的制作方法，其特征在于，所述步骤5涂布的边框胶内设有间隔材。
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