WO2016161695A1 - 柔性液晶显示器 - Google Patents

柔性液晶显示器 Download PDF

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Publication number
WO2016161695A1
WO2016161695A1 PCT/CN2015/079381 CN2015079381W WO2016161695A1 WO 2016161695 A1 WO2016161695 A1 WO 2016161695A1 CN 2015079381 W CN2015079381 W CN 2015079381W WO 2016161695 A1 WO2016161695 A1 WO 2016161695A1
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WO
WIPO (PCT)
Prior art keywords
liquid crystal
flexible
substrate
crystal display
disposed
Prior art date
Application number
PCT/CN2015/079381
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English (en)
French (fr)
Inventor
钟新辉
李泳锐
Original Assignee
深圳市华星光电技术有限公司
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Application filed by 深圳市华星光电技术有限公司 filed Critical 深圳市华星光电技术有限公司
Priority to US14/762,795 priority Critical patent/US9632352B2/en
Publication of WO2016161695A1 publication Critical patent/WO2016161695A1/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
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    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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    • G02B6/0033—Means for improving the coupling-out of light from the light guide
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    • 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 flexible liquid crystal display.
  • the Organic Light Emitting Display has self-luminous, no backlight, thin thickness, wide viewing angle, fast response, etc., and has the natural advantage of flexible display.
  • OLED Organic Light Emitting Display
  • the OLED industry still has a high technical threshold, and the process is difficult, the yield is low, the cost is high, and the price is high. These difficulties hinder the wide application of OLED.
  • Liquid crystal display is the most widely used display product on the market. Its production process technology is very mature, its product yield is high, its cost is relatively low, and its market acceptance is high.
  • LCDs in the mainstream market can be divided into three categories, namely, twisted nematic/super twisted nematic (TN/STN) type, planar conversion (IPS) type and vertical alignment (VA) type, although they The principle of controlling liquid crystal display is different, but the basic structures of these three types of LCDs are similar.
  • TN/STN twisted nematic/super twisted nematic
  • IPS planar conversion
  • VA vertical alignment
  • the substrate structure of the existing LCD is as shown in FIG. 1 , and at least includes the liquid crystal display panel 100 and the backlight assembly 200 .
  • the liquid crystal panel itself does not emit light, and the backlight assembly is required to provide a light source.
  • the existing LCD structure only the flexible material is used instead of the original rigid material to form an LCD, which may cause misalignment, unevenness of the gap, light leakage, etc. during the bending process;
  • the ITO material used for the transparent electrode is a brittle material which is very susceptible to brittle fracture under bending conditions, but it is generally used as a common electrode in an LCD, covering the entire area of the panel, thus being used for flexible display.
  • the ITO common electrode is easily broken when it is used, so when the LCD is used in a flexible display application, it needs to be improved to overcome the above problems.
  • the object of the present invention is to provide a flexible liquid crystal display, which can be applied to a flexible display, can avoid brittle fracture of a common electrode layer during bending, and can avoid problems such as misalignment, unevenness of gap, light leakage, etc. of the liquid crystal display during bending process. .
  • the present invention provides a flexible liquid crystal display comprising a flexible backlight module and a flexible liquid crystal display panel disposed above the flexible backlight module, wherein the flexible liquid crystal display panel comprises a bottom-up arrangement from bottom to top. a lower polarizer, an array substrate, a liquid crystal layer, a color filter substrate, and an upper polarizer;
  • the color filter substrate includes a first substrate, a color filter layer disposed on the first substrate, a flat layer disposed on the color filter layer, a common electrode layer disposed on the flat layer, a black matrix retaining wall disposed on the common electrode layer;
  • the common electrode layer includes a plurality of spaced electrode blocks, and the plurality of electrode blocks are electrically connected by metal wires.
  • the color filter layer includes spaced apart red, green, and blue color filters.
  • the electrode block is sized to cover at least one color filter.
  • the electrode block has a rectangular shape, and the side length of the rectangle is 14 um to 2117 um.
  • the array substrate includes a second substrate, and gate lines, data lines, thin film transistor arrays, and transparent electrodes disposed on the second substrate.
  • the first substrate and the second substrate are both flexible transparent substrates, and the material of the flexible transparent substrate is glass, polymethyl methacrylate, polycarbonate, polyethylene, polypropylene, polyethylene terephthalate. Ester, or polyimide.
  • the flexible backlight module includes a light guide plate attached to a lower surface of the lower polarizer, a light source disposed on one side of the light guide plate, and a first reflective light disposed on the other side of the light guide plate opposite to the light source. a plate and a second reflector disposed on a lower surface of the light guide plate.
  • the light guide plate is a flexible transparent substrate; the light guide plate is bonded to the lower polarizer by an adhesive, thereby bonding the flexible backlight module and the flexible liquid crystal display panel together.
  • the light source includes a reflective groove disposed at a side of the light guide plate, and an LED light bar disposed in the reflective groove.
  • a vertical alignment layer is disposed on both the lower surface of the color filter substrate and the upper surface of the array substrate, and the liquid crystal material in the liquid crystal layer is a negative liquid crystal.
  • the present invention also provides a flexible liquid crystal display comprising a flexible backlight module and a flexible liquid crystal display panel disposed above the flexible backlight module, the flexible liquid crystal display panel comprising a lower polarizer and an array arranged in order from bottom to top. a substrate, a liquid crystal layer, a color filter substrate, and an upper polarizer;
  • the color filter substrate includes a first substrate, a color filter layer disposed on the first substrate, a flat layer disposed on the color filter layer, a common electrode layer disposed on the flat layer, a black matrix retaining wall disposed on the common electrode layer;
  • the common electrode layer comprises a plurality of spaced electrode blocks, the plurality of electrodes The blocks are electrically connected by metal wires;
  • the color filter layer comprises red, green and blue color filters arranged at intervals;
  • the electrode block has a rectangular shape, and the side length of the rectangle is 14 um to 2117 um;
  • the array substrate includes a second substrate, and a gate line, a data line, a thin film transistor array and a transparent electrode disposed on the second substrate;
  • the flexible backlight module includes a light guide plate attached to a lower surface of the lower polarizer, a light source disposed on one side of the light guide plate, and a second surface disposed on the light guide plate opposite to the light source. a reflector, and a second reflector disposed on a lower surface of the light guide;
  • the lower surface of the color filter substrate and the upper surface of the array substrate are each provided with a vertical alignment layer, and the liquid crystal material in the liquid crystal layer is a negative liquid crystal.
  • the flexible liquid crystal display of the present invention is provided with a flexible liquid crystal display panel and a backlight module, which can be applied to a flexible display and divides the common electrode layer on the color filter substrate into a plurality of electrode blocks.
  • Each electrode block covers one or more sub-pixel regions, and the plurality of electrode blocks are electrically connected by metal wires, thereby effectively avoiding brittle fracture of the common electrode layer during bending during application of the liquid crystal display to the flexible display.
  • FIG. 1 is a schematic view showing the basic structure of a conventional liquid crystal display
  • FIG. 2 is a schematic view showing a conventional liquid crystal display applied to a flexible display
  • FIG. 3 is a cross-sectional structural view showing a first embodiment of a flexible liquid crystal display of the present invention
  • FIG. 4 is a cross-sectional structural view showing a color filter substrate of a first embodiment of the flexible liquid crystal display of the present invention
  • FIG. 5 is a schematic perspective view showing a color filter substrate of a first embodiment of a flexible liquid crystal display according to the present invention.
  • FIG. 6 is a schematic structural view of a common electrode layer of a first embodiment of a flexible liquid crystal display according to the present invention.
  • FIG. 7 is a cross-sectional view showing a flexible backlight module of a first embodiment of the flexible liquid crystal display of the present invention.
  • FIG. 8 is a top plan view of a flexible backlight module of a first embodiment of a flexible liquid crystal display according to the present invention.
  • FIG. 9 is a schematic structural view of a common electrode layer of a second embodiment of the flexible liquid crystal display of the present invention.
  • the present invention provides a flexible liquid crystal display including a flexible backlight module 50 and a flexible liquid crystal display panel 40 disposed above the flexible backlight module 50.
  • the flexible liquid crystal display panel 40 includes a lower polarizer 21, an array substrate 2, a liquid crystal layer 3, a color filter substrate 1, and an upper polarizer 11 disposed in this order from bottom to top;
  • the color filter substrate 1 and the array substrate 2 are fixedly connected by a sealant to form an accommodating space for filling the liquid crystal layer 3 between the color filter substrate 1 and the array substrate 2.
  • the color filter substrate 1 includes a first substrate 10, a color filter layer 12 disposed on the first substrate 10, and a flat layer 15 disposed on the color filter layer 12.
  • the common electrode layer 16 on the flat layer 15 and the black matrix retaining wall 17 provided on the common electrode layer 16 are described.
  • the first substrate is a flexible transparent substrate, and the material of the flexible transparent substrate is glass, polymethyl methacrylate (PMMA), polycarbonate (PC), polyethylene (PE), polypropylene (PP), poly Ethylene terephthalate (PET), or polyimide (PI), and the like.
  • PMMA polymethyl methacrylate
  • PC polycarbonate
  • PE polyethylene
  • PP polypropylene
  • PET poly Ethylene terephthalate
  • PI polyimide
  • the color filter layer 12 includes spaced red, green, and blue color filters 121, 122, and 123; each of the color filters 121, 122, or 123 corresponds to one sub-pixel of the flexible liquid crystal display.
  • the common electrode layer 16 includes a plurality of electrode blocks 160 disposed at intervals.
  • the material of the electrode block 160 is indium tin oxide (ITO), and the plurality of electrode blocks 160 pass through the metal line 161. Electrical connection.
  • each of the electrode blocks 160 covers a color filter 121, 122 or 123, and the different electrode blocks 160 are electrically connected by a metal wire 161.
  • the electrode block 160 may have a rectangular or approximately rectangular shape, and the side length of the rectangle is 14 um to 2117 um.
  • the first substrate 10 has a rectangular shape, and the rectangle includes two long sides and two short sides connecting the two long sides, and the black matrix retaining wall 17 includes a parallel to the first substrate 10 .
  • the interval between the sheets that is, the boundary of each of the color filters 121, 122 or 123 is located on the longitudinal retaining wall 171 and the lateral retaining wall 172, thereby preventing the background of the spaced regions between the adjacent two color filters.
  • Light leakage improves display contrast and prevents color mixing between adjacent two color filters, increasing the color purity of each sub-pixel.
  • the array substrate 2 includes a second substrate, a gate line, a data line, a thin film transistor array, a transparent electrode, and the like provided on the second substrate.
  • the second substrate is a flexible transparent substrate, and the material of the flexible transparent substrate is glass, polymethyl methacrylate, polycarbonate, polyethylene, polypropylene, polyethylene terephthalate, or polyacyl. Imine and the like.
  • a lower surface of the color filter substrate 1 and an upper surface of the array substrate 2 are respectively provided with a vertical alignment layer, and the liquid crystal material in the liquid crystal layer 3 is In the negative liquid crystal, liquid crystal molecules in the liquid crystal layer 3 are arranged perpendicular to the surface of the color filter substrate 1 and the array substrate 2 without applying a voltage, and liquid crystal in the liquid crystal layer 3 is applied after a voltage is applied. The molecules will be arranged in a row.
  • the upper and lower polarizers 11 and 21 are respectively attached to the upper surface of the color filter substrate 1 and the lower surface of the array substrate 2, and the absorption axes of the upper and lower polarizers 11 and 21 are respectively attached. Vertical to each other.
  • the flexible backlight module 50 includes a light guide plate 22 attached to a lower surface of the lower polarizer 21 and a light source disposed on a side of the light guide plate 22 . 4.
  • a first reflecting plate 23 disposed on the other side of the light guide plate 22 opposite to the light source 4, and a second reflecting plate 24 disposed on a lower surface of the light guiding plate 22.
  • the light guide plate 22 is a flexible transparent substrate, and the material of the flexible transparent substrate is glass, polymethyl methacrylate, polycarbonate, polyethylene, polypropylene, polyethylene terephthalate, Or polyimide, etc.
  • the light source 4 includes a reflective groove 41 disposed at a side of the light guide plate 22 and an LED light bar 42 disposed in the reflective groove 41.
  • the lower surface of the light guide plate 22 is distributed with scattering dots 221, and the scattering dots 221 function to scatter light, thereby destroying the total internal reflection of the light, and the light is led out from the upper surface of the light guide plate 22, thereby increasing The diffusion effect of the light guide plate 22 on light.
  • the light guide plate 22 is bonded to the lower polarizer 21 by an adhesive, thereby bonding the flexible backlight module 50 and the flexible liquid crystal display panel 40 together, so that the flexible backlight module When the group 50 is bent together with the flexible liquid crystal display panel 40, problems such as misalignment, unevenness of the gap, and light leakage can be effectively avoided.
  • the utilization of light can be improved.
  • the present invention further provides a second embodiment of a flexible liquid crystal display, which is different from the first embodiment in that the structure of the common electrode layer 16 on the color filter substrate 1 is different, That is, the electrode block 160' is different in size and shape.
  • each electrode block 160' covers three sequentially arranged red, green, and blue color filters 121, 122, and 123.
  • the different electrode blocks 160' are electrically connected by a metal wire 161'.
  • the electrode block 160' may have a rectangular or approximately rectangular shape with a side length of 14 um to 2117 um.
  • the structures and materials of the remaining portions are identical except for the structure of the common electrode layer 16 in the color filter substrate 1.
  • the electrode block 160 or 160' in the present invention may be disposed to cover two adjacent color filters or cover more than three adjacent Color filter.
  • the flexible liquid crystal display of the present invention is provided with a flexible liquid crystal display panel and a backlight module, which can be applied to a flexible display and divides the common electrode layer on the color filter substrate into a plurality of electrode blocks.
  • Each electrode block is covered with one or more sub-pixel regions, and the plurality of electrode blocks are electrically connected by metal wires, thereby effectively avoiding brittle fracture of the common electrode layer during bending during application of the liquid crystal display to the flexible display;
  • a flexible light guide plate with a scattering dot distributed on the lower surface, and providing a reflector on the bottom surface and the side surface of the flexible light guide plate the diffusion effect of the flexible light guide plate on the light is increased, the utilization of light is improved, and the adhesive is adopted.

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Abstract

一种柔性液晶显示器，包括柔性背光模组(50)、以及设于所述柔性背光模组(50)上方的柔性液晶显示面板(40)，所述柔性液晶显示面板(40)包括从下到上依次设置的下偏光片(21)、阵列基板(2)、液晶层(3)、彩色滤光基板(1)、及上偏光片(11)；所述彩色滤光基板(1)包括第一基板(10)、设于所述第一基板(10)上的彩色滤光层(12)、设于所述彩色滤光层(12)上的平坦层(15)、设于所述平坦层(15)上的公共电极层(16)、设于所述公共电极层(16)上的黑色矩阵挡墙(17)；其中，所述公共电极层(16)包括数个间隔设置的电极区块(160)，所述数个电极区块(160)之间通过金属线(161)电性连接，可避免公共电极层(16)在弯曲过程中发生脆性断裂。

Description

柔性液晶显示器 技术领域
本发明涉及显示技术领域，尤其涉及一种柔性液晶显示器。
背景技术
随着可穿戴应用设备如智能眼镜、智能手表等的逐渐兴起，显示行业对可挠曲显示器件的需求也不断增加。
有机发光二极管显示器件(Organic Light Emitting Display，OLED)具有自发光，不需背光源、厚度薄、视角广、反应速度快等特点，从而具有可挠曲显示的天然优势。但是，目前OLED产业仍然具有很高的技术门槛，制程难度大、良率低、成本高、售价高，这些难点都阻碍着OLED的广泛应用。
液晶显示器(Liquid Crystal Display，LCD)是目前市场上应用最为广泛的显示产品，其生产工艺技术十分成熟，产品良率高，成本相对较低，市场接受度高。
就目前主流市场上的LCD而言，可分为三大类，分别是扭曲向列/超扭曲向列(TN/STN)型、平面转换(IPS)型及垂直配向(VA)型，尽管它们各自调控液晶显示的原理有所不同，但是这三种类型的LCD的基本结构都比较类似。
现有LCD的基板结构如图1所示，均至少包括液晶显示面板100、及背光组件200，液晶面板本身不发光，需要由背光组件提供光源。如图2所示，在现有的LCD结构中，仅仅用柔性材料替代原来的刚性材料做成LCD，其在弯曲的过程中会发生错位、间隙不均、漏光等问题；除此之外，用于透明电极的ITO材料为一种脆性材料，其在弯曲情况之下非常容易发生脆性断裂，但是其在LCD中通常用来当作公共电极，覆盖于整个面板的面积，如此用于柔性显示的时候便容易发生ITO公共电极断裂的情况，所以在将LCD用于柔性显示应用时，需要对其进行改进，以克服如上问题。
发明内容
本发明的目的在于提供一种柔性液晶显示器，可应用于柔性显示，能够避免公共电极层在弯曲过程中发生脆性断裂，同时可避液晶显示器在弯曲过程发生的错位、间隙不均、漏光等问题。
为实现上述目的，本发明提供一种柔性液晶显示器，包括柔性背光模组、以及设于所述柔性背光模组上方的柔性液晶显示面板，所述柔性液晶显示面板包括从下到上依次设置的下偏光片、阵列基板、液晶层、彩色滤光基板、及上偏光片；
所述彩色滤光基板包括第一基板、设于所述第一基板上的彩色滤光层、设于所述彩色滤光层上的平坦层、设于所述平坦层上的公共电极层、设于所述公共电极层上的黑色矩阵挡墙；
其中，所述公共电极层包括数个间隔设置的电极区块，所述数个电极区块之间通过金属线电性连接。
所述彩色滤光层包括间隔设置的红、绿、蓝彩色滤光片。
所述电极区块的尺寸设置为覆盖至少一个彩色滤光片。
所述电极区块呈矩形，所述矩形的边长为14um～2117um。
所述阵列基板包括第二基板、及设于所述第二基板上的栅极线、数据线、薄膜晶体管阵列与透明电极。
所述第一基板与第二基板均为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯、或聚酰亚胺。
所述柔性背光模组包括贴附于所述下偏光片下表面的导光板、设于所述导光板一侧面的光源、设于所述导光板上与光源相对的另一侧面的第一反光板、及设于所述导光板下表面的第二反光板。
所述导光板为柔性透明基板；所述导光板通过胶黏剂与所述下偏光片粘结在一起，从而将所述柔性背光模组与柔性液晶显示面板粘接在一起。
所述光源包括设于所述导光板侧部的反光槽、及设于所述反光槽中的LED灯条。
所述彩色滤光基板的下表面与阵列基板的上表面均设置有垂直配向层，所述液晶层中的液晶材料为负型液晶。
本发明还提供一种柔性液晶显示器，包括柔性背光模组、以及设于所述柔性背光模组上方的柔性液晶显示面板，所述柔性液晶显示面板包括从下到上依次设置下偏光片、阵列基板、液晶层、彩色滤光基板、及上偏光片；
所述彩色滤光基板包括第一基板、设于所述第一基板上的彩色滤光层、设于所述彩色滤光层上的平坦层、设于所述平坦层上的公共电极层、设于所述公共电极层上的黑色矩阵挡墙；
其中，所述公共电极层包括数个间隔设置的电极区块，所述数个电极 区块之间通过金属线电性连接；
其中，所述彩色滤光层包括间隔设置的红、绿、蓝彩色滤光片；
其中，所述电极块呈矩形，所述矩形的边长为14um～2117um；
其中，所述阵列基板包括第二基板、及设于所述第二基板上的栅极线、数据线、薄膜晶体管阵列与透明电极；
其中，所述柔性背光模组包括贴附于所述下偏光片下表面的导光板、设于所述导光板一侧面的光源、设于所述导光板上与光源相对的另一侧面的第一反光板、及设于所述导光板下表面的第二反光板；
其中，所述彩色滤光基板的下表面与阵列基板的上表面均设置有垂直配向层，所述液晶层中的液晶材料为负型液晶。
本发明的有益效果：本发明的柔性液晶显示器，设有柔性的液晶显示面板及背光模组，能够应用于柔性显示，并通过将彩色滤光基板上的公共电极层分隔成数个电极区块，使每个电极区块覆盖一个或多个子像素区域，数个电极区块之间通过金属线电性连接，有效避免了液晶显示器应用于柔性显示时公共电极层在弯曲过程中发生的脆性断裂；同时通过设置下表面分布有散射网点的柔性导光板，并在柔性导光板的底面与侧面设置反光板，增加了柔性导光板对光线的扩散效果，提高了光的利用率；并且通过采用胶黏剂将柔性导光板与贴附于阵列基板下表面的下偏光片粘结在一起，从而将所述柔性背光模组与柔性液晶显示面板粘接在一起，使得所述柔性背光模组与柔性液晶显示面板一起弯曲时，可有效避免发生错位、间隙不均、漏光等问题。
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他有益效果显而易见。
附图中，
图1为现有液晶显示器的基本结构示意图；
图2为现有液晶显示器应用于柔性显示的示意图；
图3为本发明的柔性液晶显示器第一实施例的剖面结构示意图；
图4为本发明的柔性液晶显示器第一实施例的彩色滤光基板的剖面结构示意图；
图5为本发明的柔性液晶显示器第一实施例的彩色滤光基板的立体结构示意图；
图6为本发明的柔性液晶显示器第一实施例的公共电极层的结构示意图；
图7为本发明的柔性液晶显示器第一实施例的柔性背光模组的剖面示意图；
图8为本发明的柔性液晶显示器第一实施例的柔性背光模组的俯视示意图；
图9为本发明的柔性液晶显示器第二实施例的公共电极层的结构示意图。
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。
请同时参阅图3至图8，本发明提供一种柔性液晶显示器，所述柔性液晶显示器包括柔性背光模组50、以及设于所述柔性背光模组50上方的柔性液晶显示面板40，所述柔性液晶显示面板40包括从下到上依次设置的下偏光片21、阵列基板2、液晶层3、彩色滤光基板1、及上偏光片11；
具体的，所述彩色滤光基板1与阵列基板2通过框胶固定连接在一起，从而在所述彩色滤光基板1与阵列基板2之间形成一用来填充液晶层3的容置空间。
具体的，所述彩色滤光基板1包括第一基板10、设于所述第一基板10上的彩色滤光层12、设于所述彩色滤光层12上的平坦层15、设于所述平坦层15上的公共电极层16、及设于所述公共电极层16上的黑色矩阵挡墙17。
所述第一基板为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯(PMMA)、聚碳酸酯(PC)、聚乙烯(PE)、聚丙烯(PP)、聚对苯二甲酸乙二醇酯(PET)、或聚酰亚胺(PI)等。
所述彩色滤光层12包括间隔设置的红、绿、蓝彩色滤光片121、122、123；每一彩色滤光片121、122或123对应所述柔性液晶显示器的一个子像素。
具体的，所述公共电极层16包括数个间隔设置的电极区块160，所述电极区块160的材料为氧化铟锡(ITO)，所述数个电极区块160之间通过金属线161电性连接。
如图4-6所示，每个电极区块160覆盖一个彩色滤光片121、122或123，不同的电极区块160之间通过金属线161电性连接。
具体的，所述电极区块160可以为矩形或近似矩形的形状，所述矩形的边长为14um～2117um。
如图5所示，所述第一基板10呈矩形，所述矩形包括两长边、及连接该两长边的两短边，所述黑色矩阵挡墙17包括平行于所述第一基板10短边的数条纵向挡墙171、以及与所述数条纵向挡墙171垂直交叉排列的数条横向挡墙172，所述纵向挡墙171与横向挡墙172均位于相邻的彩色滤光片之间的间隔区域，即每一彩色滤光片121、122或123的边界均位于纵向挡墙171与横向挡墙172上，从而可防止相邻两彩色滤光片之间间隔区域的背景光泄漏，提高显示对比度，并防止相邻两彩色滤光片射出的光线之间发生混色，增加各子像素的颜色纯度。
所述阵列基板2包括第二基板、及设于所述第二基板上的栅极线、数据线、薄膜晶体管阵列与透明电极等。
所述第二基板为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯、或聚酰亚胺等。
具体的，所述彩色滤光基板1的下表面与阵列基板2的上表面(也即所述液晶层3的上下两侧)均设置有垂直配向层，所述液晶层3中的液晶材料为负型液晶，在不施加电压的情况下，所述液晶层3中的液晶分子垂直于所述彩色滤光基板1与阵列基板2的表面排列，施加电压后，所述液晶层3中的液晶分子将倒伏排列。
具体的，所述上、下偏光片11、21分别贴附于彩色滤光基板1的上表面、与所述阵列基板2的下表面，且所述上、下偏光片11、21的吸收轴相互垂直。
请参阅图7-8，并同时参阅图1，可见，所述柔性背光模组50包括贴附于所述下偏光片21下表面的导光板22、设于所述导光板22一侧面的光源4、设于所述导光板22上与光源4相对的另一侧面的第一反光板23、及设于所述导光板22下表面的第二反光板24。
具体的，所述导光板22为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯、或聚酰亚胺等。
所述光源4包括设于所述导光板22侧部的反光槽41、及设于所述反光槽41中的LED灯条42。
进一步的，所述导光板22的下表面分布有散射网点221，所述散射网点221起到对光线散射的作用，从而破坏光线的全内反射，使光线从导光板22上表面被导出，增加所述导光板22对光线的扩散效果。
具体的，所述导光板22通过胶黏剂与所述下偏光片21粘结在一起，从而将所述柔性背光模组50与柔性液晶显示面板40粘接在一起，使得所述柔性背光模组50与柔性液晶显示面板40一起弯曲时，可有效避免发生错位、间隙不均、漏光等问题。
本发明通过在所述导光板22底部以及与所述光源4相对的侧部分别设有第一反光板23与第二反光板24，可以提高光线的利用率。
请参阅图9，本发明还提供一种柔性液晶显示器的第二实施例，其与第一实施例的不同之处在于，所述彩色滤光基板1上的公共电极层16的结构不同，也即所述电极区块160’的尺寸和形状不同，在该第二实施例中，每个电极区块160’覆盖三个依次排列的红、绿、蓝彩色滤光片121、122、123，不同的电极区块160’之间通过金属线161’电性连接。
具体的，所述电极区块160’可以为矩形或近似矩形的形状，所述矩形的边长为14um～2117um。
本发明柔性液晶显示器的第一实施例与第二实施例中，除所述彩色滤光基板1中的公共电极层16的结构不同之外，其余各处的结构和材料均一致。
可以想到的是，除上述第一实施例与第二实施例外，本发明中的电极区块160或160’还可以设置为覆盖两个相邻的彩色滤光片，或者覆盖三个以上相邻的彩色滤光片。
综上所述，本发明的柔性液晶显示器，设有柔性的液晶显示面板及背光模组，能够应用于柔性显示，并通过将彩色滤光基板上的公共电极层分隔成数个电极区块，使每个电极区块覆盖一个或多个子像素区域，数个电极区块之间通过金属线电性连接，有效避免了液晶显示器应用于柔性显示时公共电极层在弯曲过程中发生的脆性断裂；同时通过设置下表面分布有散射网点的柔性导光板，并在柔性导光板的底面与侧面设置反光板，增加了柔性导光板对光线的扩散效果，提高了光的利用率；并且通过采用胶黏剂将柔性导光板与贴附于阵列基板下表面的下偏光片粘结在一起，从而将所述柔性背光模组与柔性液晶显示面板粘接在一起，使得所述柔性背光模组与柔性液晶显示面板一起弯曲时，可有效避免发生错位、间隙不均、漏光等问题。
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 (15)

  1. 一种柔性液晶显示器，包括柔性背光模组、以及设于所述柔性背光模组上方的柔性液晶显示面板，所述柔性液晶显示面板包括从下到上依次设置下偏光片、阵列基板、液晶层、彩色滤光基板、及上偏光片；
    所述彩色滤光基板包括第一基板、设于所述第一基板上的彩色滤光层、设于所述彩色滤光层上的平坦层、设于所述平坦层上的公共电极层、设于所述公共电极层上的黑色矩阵挡墙；
    其中，所述公共电极层包括数个间隔设置的电极区块，所述数个电极区块之间通过金属线电性连接。
  2. 如权利要求1所述的柔性液晶显示器，其中，所述彩色滤光层包括间隔设置的红、绿、蓝彩色滤光片。
  3. 如权利要求2所述的柔性液晶显示器，其中，所述电极区块的尺寸设置为覆盖至少一个彩色滤光片。
  4. 如权利要求1所述的柔性液晶显示器，其中，所述电极块呈矩形，所述矩形的边长为14um～2117um。
  5. 如权利要求1所述的柔性液晶显示器，其中，所述阵列基板包括第二基板、及设于所述第二基板上的栅极线、数据线、薄膜晶体管阵列与透明电极。
  6. 如权利要求5所述的柔性液晶显示器，其中，所述第一基板与第二基板均为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯、或聚酰亚胺。
  7. 如权利要求1所述的柔性液晶显示器，其中，所述柔性背光模组包括贴附于所述下偏光片下表面的导光板、设于所述导光板一侧面的光源、设于所述导光板上与光源相对的另一侧面的第一反光板、及设于所述导光板下表面的第二反光板。
  8. 如权利要求7所述的柔性液晶显示器，其中，所述导光板为柔性透明基板；所述导光板通过胶黏剂与所述下偏光片粘结在一起，从而将所述柔性背光模组与柔性液晶显示面板粘接在一起。
  9. 如权利要求7所述的柔性液晶显示器，其中，所述光源包括设于所述导光板侧部的反光槽、及设于所述反光槽中的LED灯条。
  10. 如权利要求1所述的柔性液晶显示器，其中，所述彩色滤光基板的下表面与阵列基板的上表面均设置有垂直配向层，所述液晶层中的液晶 材料为负型液晶。
  11. 一种柔性液晶显示器，包括柔性背光模组、以及设于所述柔性背光模组上方的柔性液晶显示面板，所述柔性液晶显示面板包括从下到上依次设置下偏光片、阵列基板、液晶层、彩色滤光基板、及上偏光片；
    所述彩色滤光基板包括第一基板、设于所述第一基板上的彩色滤光层、设于所述彩色滤光层上的平坦层、设于所述平坦层上的公共电极层、设于所述公共电极层上的黑色矩阵挡墙；
    其中，所述公共电极层包括数个间隔设置的电极区块，所述数个电极区块之间通过金属线电性连接；
    其中，所述彩色滤光层包括间隔设置的红、绿、蓝彩色滤光片；
    其中，所述电极块呈矩形，所述矩形的边长为14um～2117um；
    其中，所述阵列基板包括第二基板、及设于所述第二基板上的栅极线、数据线、薄膜晶体管阵列与透明电极；
    其中，所述柔性背光模组包括贴附于所述下偏光片下表面的导光板、设于所述导光板一侧面的光源、设于所述导光板上与光源相对的另一侧面的第一反光板、及设于所述导光板下表面的第二反光板；
    其中，所述彩色滤光基板的下表面与阵列基板的上表面均设置有垂直配向层，所述液晶层中的液晶材料为负型液晶。
  12. 如权利要求11所述的柔性液晶显示器，其中，所述电极区块的尺寸设置为覆盖至少一个彩色滤光片。
  13. 如权利要求11所述的柔性液晶显示器，其中，所述第一基板与第二基板均为柔性透明基板，所述柔性透明基板的材料为玻璃、聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯、或聚酰亚胺。
  14. 如权利要求11所述的柔性液晶显示器，其中，所述导光板为柔性透明基板；所述导光板通过胶黏剂与所述下偏光片粘结在一起，从而将所述柔性背光模组与柔性液晶显示面板粘接在一起。
  15. 如权利要求11所述的柔性液晶显示器，其中，所述光源包括设于所述导光板侧部的反光槽、及设于所述反光槽中的LED灯条。
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