CN102654593B - Color filter, display device and preparation method of color filter - Google Patents
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 17
- 238000000059 patterning Methods 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 41
- 239000004973 liquid crystal related substance Substances 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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Abstract
本发明涉及显示技术领域，提供了一种彩色滤光片、显示装置及彩色滤光片的制备方法。该彩色滤光片包括：基板、以及设置在所述基板上的黑矩阵层和彩色单元层，所述彩色单元层间隔地设置于所述黑矩阵层内，其特征在于，在所述彩色单元层上设置有开口。该彩色滤光片结构简单，在彩色单元层上形成了一定的开口，使得更多的入射光可以透射过彩色滤光片，因而既可以满足彩色滤光片对于颜色的需求，又可以大大的提高彩色滤光片的光透过率。同时本发明中对现有制备工艺的改进不大，仅仅通过特殊的掩膜版设计即可得到具有特定形状开口的彩色滤光片，无需对现有生产线做任何改动即可实施，在不增加设备成本的情况下即可获得性能更好的彩色滤光片。
The invention relates to the field of display technology, and provides a color filter, a display device and a preparation method of the color filter. The color filter includes: a substrate, a black matrix layer and a color unit layer arranged on the substrate, and the color unit layers are arranged in the black matrix layer at intervals, and it is characterized in that, in the color unit The layer is provided with openings. The color filter has a simple structure, and a certain opening is formed on the color unit layer, so that more incident light can be transmitted through the color filter, so that it can not only meet the color requirements of the color filter, but also greatly enhance the Improve the light transmittance of the color filter. Simultaneously in the present invention, the improvement to existing preparation technology is little, only can obtain the color filter with the opening of specific shape by special mask plate design, needn't make any modification to existing production line and can implement, without increasing Color filters with better performance can be obtained at lower equipment costs.
Description
技术领域 technical field
本发明涉及显示技术领域，特别涉及一种彩色滤光片、显示装置及彩色滤光片的制备方法。The invention relates to the field of display technology, in particular to a color filter, a display device and a preparation method of the color filter.
背景技术 Background technique
LCD(Liquid Crystal Display，液晶显示)装置具有重量轻、厚度薄、功耗低和辐射小等优点，已被广泛用于信息技术、多媒体技术等领域，并逐渐成为各种显示装置的主流。随着显示技术的发展，高透过率、大尺寸、低功耗、低成本的液晶显示器成为未来发展的方向。LCD (Liquid Crystal Display) devices have the advantages of light weight, thin thickness, low power consumption, and low radiation. They have been widely used in information technology, multimedia technology and other fields, and have gradually become the mainstream of various display devices. With the development of display technology, liquid crystal displays with high transmittance, large size, low power consumption and low cost have become the direction of future development.
要想使液晶面板实现彩色显示，彩色滤光片(CF，Color Filter)是重要的部件之一，其性能对液晶显示的效果有着重要的影响。由于彩色滤光片决定了显示器的彩色显示质量和亮度，因而分光透射率和色调等色彩显示性能对彩色滤光片来说非常重要。In order to realize the color display of the liquid crystal panel, the color filter (CF, Color Filter) is one of the important components, and its performance has an important influence on the effect of the liquid crystal display. Since color filters determine the color display quality and brightness of a display, color display properties such as spectral transmittance and hue are very important for color filters.
图1是现有技术中彩色滤光片常见的一个像素单元的平面结构示意图，在黑矩阵(BM，Black Matrix)围成的一个像素单元中形成有红(R)、绿(G)、蓝(B)三个彩色子像素单元，此外，在黑矩阵某区域上还形成有用于支撑的隔垫物(PS，Photo Spacer)，隔垫物通常为柱状。Fig. 1 is a schematic plan view of a common pixel unit of a color filter in the prior art, in which a pixel unit surrounded by a black matrix (BM, Black Matrix) is formed with red (R), green (G), blue (B) Three color sub-pixel units. In addition, a spacer (PS, Photo Spacer) for support is formed on a certain area of the black matrix. The spacer is usually columnar.
在现有工艺中，彩色滤光片的制造一般包括依次形成黑矩阵、RGB彩色单元、保护层(OC，OverCoat，又称覆盖层)、隔垫物的制备流程。由此得到的彩色滤光片一种常见的层次结构如图2所示，图2为沿图1中A-A方向获得的截面示意图，该常见的层次结构主要由玻璃基板1、黑矩阵2、彩色单元层(具体为红色膜层3、蓝色膜层4和绿色膜层5)、保护层6和隔垫物7依次构成。In the existing process, the manufacture of color filters generally includes the preparation process of sequentially forming a black matrix, RGB color units, a protective layer (OC, OverCoat, also known as an overcoat layer), and a spacer. A common hierarchical structure of the resulting color filter is shown in Figure 2. Figure 2 is a schematic cross-sectional view obtained along the A-A direction in Figure 1. The common hierarchical structure is mainly composed of a glass substrate 1, a black matrix 2, a color The unit layer (specifically, the red film layer 3 , the blue film layer 4 and the green film layer 5 ), the protective layer 6 and the spacer 7 are sequentially formed.
在现有技术的彩色滤光片中，背光源发射的入射光在经过彩色单元层时，其他颜色的光被过滤掉，仅有与彩色单元同色的光可形成透射从而使屏幕的像素点呈现相应的颜色。这种彩色滤光片由于在光线透射时会造成一定量的光线损失，因而会影响面板的透过率，影响液晶面板的亮度和显示效果。而如果要克服此缺陷就需要增加背光源数目提高背光的亮度，这又会造成功耗的消耗，浪费成本。In the color filter of the prior art, when the incident light emitted by the backlight passes through the color unit layer, the light of other colors is filtered out, and only the light of the same color as the color unit can be transmitted to make the pixels of the screen appear corresponding color. Such a color filter will cause a certain amount of light loss when the light is transmitted, thus affecting the transmittance of the panel and affecting the brightness and display effect of the liquid crystal panel. However, if this defect is to be overcome, the number of backlight sources needs to be increased to increase the brightness of the backlight, which in turn causes consumption of power consumption and wastes costs.
发明内容 Contents of the invention
(一)要解决的技术问题(1) Technical problems to be solved
针对上述缺点，本发明为了解决现有技术中彩色滤光片透过率低的问题，提出了一种彩色滤光片、显示装置及彩色滤光片的制备方法，通过简单的结构和工艺在彩色单元层的图形上形成一定图案的开口区域，使得光线在透射过彩色单元区域时减少了损失，提高了彩色滤光片的透过率。In view of the above-mentioned shortcomings, in order to solve the problem of low transmittance of the color filter in the prior art, the present invention proposes a color filter, a display device and a preparation method of the color filter, through a simple structure and process in the A certain pattern of opening areas is formed on the pattern of the color unit layer, so that the loss of light is reduced when passing through the color unit area, and the transmittance of the color filter is improved.
(二)技术方案(2) Technical solution
为了解决上述技术问题，本发明具体采用如下方案：In order to solve the above technical problems, the present invention specifically adopts the following scheme:
首先，本发明提供一种彩色滤光片，所述彩色滤光片包括：基板、以及设置在所述基板上的黑矩阵层和彩色单元层，所述彩色单元层间隔地设置于所述黑矩阵层内，其特征在于，在所述彩色单元层上设置有开口。First, the present invention provides a color filter, which includes: a substrate, and a black matrix layer and a color unit layer arranged on the substrate, and the color unit layer is arranged on the black matrix at intervals. In the matrix layer, it is characterized in that openings are set on the color unit layer.
优选地，所述开口为点状开口，所述点状开口在所述彩色单元层上均匀排列。Preferably, the openings are dot-like openings, and the dot-like openings are uniformly arranged on the color unit layer.
优选地，所述开口为狭缝开口，所述狭缝开口包含有至少一组相互平行的狭缝开口。Preferably, the opening is a slit opening, and the slit opening includes at least one group of slit openings parallel to each other.
优选地，所述狭缝开口包含有两组相互平行的狭缝开口，所述两组相互平行的狭缝开口在所述彩色单元层上相对x轴或y轴成轴对称分布，所述x轴或y轴与所述黑矩阵中的边界相平行或垂直。Preferably, the slit openings include two groups of parallel slit openings, and the two groups of parallel slit openings are distributed axisymmetrically with respect to the x-axis or y-axis on the color unit layer, and the x axis or y-axis is parallel or perpendicular to the boundaries in the black matrix.
另一方面，本发明还提供一种显示装置，所述显示装置中包含如上所述的彩色滤光片。On the other hand, the present invention also provides a display device, which includes the above-mentioned color filter.
最后，本发明还同时提供一种彩色滤光片的制备方法，所述方法包括如下步骤：Finally, the present invention also provides a method for preparing a color filter, the method comprising the following steps:
在基板上形成黑矩阵层、彩色单元层，所述彩色单元层间隔地设置于所述黑矩阵层内；A black matrix layer and a color unit layer are formed on the substrate, and the color unit layers are arranged at intervals in the black matrix layer;
通过构图工艺在所述彩色单元层上形成开口。Openings are formed on the color unit layer through a patterning process.
优选地，所述开口为点状开口，所述点状开口在所述彩色单元层上均匀排列。Preferably, the openings are dot-like openings, and the dot-like openings are uniformly arranged on the color unit layer.
优选地，所述开口为狭缝开口，所述狭缝开口包含有至少一组相互平行的狭缝开口。Preferably, the opening is a slit opening, and the slit opening includes at least one group of slit openings parallel to each other.
优选地，所述狭缝开口包含有两组相互平行的狭缝开口，所述两组相互平行的狭缝开口在所述彩色单元层上相对x轴或y轴成轴对称分布，所述x轴或y轴与所述黑矩阵中的边界相平行或垂直。Preferably, the slit openings include two groups of parallel slit openings, and the two groups of parallel slit openings are distributed axisymmetrically with respect to the x-axis or y-axis on the color unit layer, and the x axis or y-axis is parallel or perpendicular to the boundaries in the black matrix.
优选地，所述构图工艺中，使用带有开口形状的掩膜版进行掩膜曝光。Preferably, in the patterning process, a mask plate with an opening shape is used for mask exposure.
(三)有益效果(3) Beneficial effects
本发明中通过掩膜版的设计在曝光显影后使得彩色单元层在特定区域形成了一定的开口，这些开口使得更多的入射光可以透射过彩色滤光片，因而既可以满足彩色滤光片对于颜色的需求，又可以大大的提高彩色滤光片的光透过率。In the present invention, through the design of the mask plate, after exposure and development, certain openings are formed in the color unit layer in a specific area, and these openings allow more incident light to pass through the color filter, thus meeting the requirements of the color filter. For the color requirements, the light transmittance of the color filter can be greatly improved.
附图说明 Description of drawings
图1为彩色滤光片常见的一个像素单元的平面结构示意图；FIG. 1 is a schematic plan view of a pixel unit commonly used in color filters;
图2为现有技术中的彩色滤光片常见的层次结构示意图；FIG. 2 is a schematic diagram of a common hierarchical structure of color filters in the prior art;
图3为本发明中实施例1的彩色滤光片的一个像素单元的平面结构示意图；3 is a schematic plan view of a pixel unit of the color filter in Embodiment 1 of the present invention;
图4为本发明另一实施例中的彩色滤光片的一个像素单元的平面结构示意图；4 is a schematic plan view of a pixel unit of a color filter in another embodiment of the present invention;
图5为本发明另一实施例中的彩色滤光片的一个像素单元的平面结构示意图；5 is a schematic plan view of a pixel unit of a color filter in another embodiment of the present invention;
图6为本发明另一实施例中的彩色滤光片的一个像素单元的平面结构示意图；6 is a schematic plan view of a pixel unit of a color filter in another embodiment of the present invention;
图7为本发明另一实施例中的彩色滤光片的一个像素单元的平面结构示意图。FIG. 7 is a schematic plan view of a pixel unit of a color filter in another embodiment of the present invention.
具体实施方式 Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
本发明中，通过掩膜版的设计，在曝光显影后使得彩色单元层在特定区域形成了一定的开口，这些开口使得更多的入射光可以透射过彩色滤光片，因而既可以满足彩色滤光片对于颜色的需求，又可以大大的提高彩色滤光片的光透过率。下面将结合各附图对本发明的各个优选实施方式作进一步详细描述。In the present invention, through the design of the mask, certain openings are formed in the specific area of the color unit layer after exposure and development, and these openings allow more incident light to pass through the color filter, thus satisfying both The color requirements of the light sheet can greatly improve the light transmittance of the color filter. Various preferred implementations of the present invention will be further described in detail below in conjunction with the accompanying drawings.
实施例1Example 1
在本发明的实施例1中，彩色滤光片的一个像素单元的平面结构图如图3所示，彩色滤光片主要由基板(图中未示出，如玻璃、石英或有机物等制成)、黑矩阵2(不透光的膜层，如树脂膜层等)、各彩色单元(红色单元3、蓝色单元4和绿色单元5，由彩色膜层构成，如RGB各色树脂膜层等)间隔地设置于黑矩阵2内、保护层(图中未示出)和隔垫物7构成；其中，各彩色单元上设置有开口。In Embodiment 1 of the present invention, the plane structural diagram of a pixel unit of the color filter is shown in Figure 3, and the color filter is mainly made of a substrate (not shown in the figure, such as glass, quartz or organic matter, etc. ), black matrix 2 (opaque film layers, such as resin film layers, etc.), each color unit (red unit 3, blue unit 4 and green unit 5, composed of color film layers, such as RGB resin film layers, etc. ) are arranged at intervals in the black matrix 2, a protective layer (not shown in the figure) and a spacer 7; wherein, each color unit is provided with an opening.
实施例1中的上述彩色滤光片的制备方法包括步骤：The preparation method of the above-mentioned color filter in embodiment 1 comprises steps:
在基板上形成黑矩阵层、彩色单元层，所述彩色单元层间隔地设置于所述黑矩阵层内；A black matrix layer and a color unit layer are formed on the substrate, and the color unit layers are arranged at intervals in the black matrix layer;
通过构图工艺在所述彩色单元层上形成开口。Openings are formed on the color unit layer through a patterning process.
更具体地，黑矩阵层的制备过程同传统工艺；随后在黑矩阵中涂布各彩色单元层的树脂，利用具有开口形状的掩膜版对各彩色单元层进行曝光、显影等构图工艺的处理，在彩色单元层上形成与掩膜形状相同的开口；最后，完成彩色单元层的开口后按传统工艺完成保护膜层和隔垫物的制备。More specifically, the preparation process of the black matrix layer is the same as the traditional process; then the resin of each color unit layer is coated in the black matrix, and the mask plate with an opening shape is used to perform patterning processes such as exposure and development of each color unit layer , forming an opening with the same shape as the mask on the color unit layer; finally, after completing the opening of the color unit layer, the preparation of the protective film layer and the spacer is completed according to the traditional process.
实施例2Example 2
参见图4-7，在本发明的实施例2中，实际涵盖了多种实施方式，其与实施例1的区别主要在于：Referring to Figures 4-7, in Embodiment 2 of the present invention, various implementation modes are actually covered, and its difference from Embodiment 1 mainly lies in:
1、彩色单元层上开口的形状、大小、尺寸、数量等情况可以依据实际需求而具体设置。1. The shape, size, size and quantity of the openings on the color unit layer can be set according to actual needs.
具体地，图4给出了开口为竖直方向上平行的狭缝的实施方式；图5给出了开口为斜向上平行的狭缝的实施方式；图6给出了两组相互平行的狭缝开口的实施方式，所述两组相互平行的狭缝开口在所述彩色单元层上相对x轴或y轴成轴对称分布，所述x轴或y轴与所述黑矩阵中的边界2′相平行或垂直(该方式相对于图4、5而言开口面积增大，因而可进一步增大光透过率)；图7给出了多个点状开口的实施方式。这些开口的大小、数量、位置都可以根据彩色滤光片具体的透过率或颜色需求而进行变动，除图4-7所示的情形外，各个方向上的狭缝开口以任意形式组合或者狭缝与点状开口的组合等也同样适用于本发明。Specifically, Fig. 4 shows an embodiment in which the openings are vertically parallel slits; Fig. 5 shows an embodiment in which the openings are obliquely upwardly parallel slits; Fig. 6 shows two groups of mutually parallel slits The embodiment of the slit opening, the two groups of slit openings parallel to each other are distributed axisymmetrically with respect to the x-axis or y-axis on the color unit layer, and the x-axis or y-axis is in line with the boundary 2 in the black matrix 'Parallel or vertical (this method increases the area of the opening relative to Figures 4 and 5, so that the light transmittance can be further increased); Figure 7 shows the implementation of multiple point-shaped openings. The size, quantity, and position of these openings can be changed according to the specific transmittance or color requirements of the color filter. Except for the situation shown in Figure 4-7, the slit openings in all directions can be combined in any form or Combinations of slits and dotted openings, etc. are also applicable to the present invention.
2、与开口形状相对的，在制备时使用的掩膜版也可以根据实际需求而具体设计，即掩膜版上开口的形状也可以采用竖直方向或斜向的狭缝、或者为点状开口，使得经构图工艺处理后的彩色单元层中开口形状如图4-7所示。2. As opposed to the shape of the opening, the mask used in the preparation can also be specifically designed according to actual needs, that is, the shape of the opening on the mask can also be a vertical or oblique slit, or a dot shape Openings, so that the shape of the openings in the color unit layer after the patterning process is as shown in Figures 4-7.
本发明更进一步地提供一种显示装置，包括如上所述的彩色滤光片。所述显示装置可以为：液晶面板、电子纸、OLED面板、液晶电视、液晶显示器、数码相框、手机、平板电脑等任何具有显示功能的产品或部件。The present invention further provides a display device, comprising the above-mentioned color filter. The display device may be any product or component with a display function such as a liquid crystal panel, an electronic paper, an OLED panel, a liquid crystal TV, a liquid crystal display, a digital photo frame, a mobile phone, and a tablet computer.
本发明中获得的彩色滤光片结构简单，仅仅通过特殊的掩膜版设计即可得到具有特定形状开口的彩色滤光片，这些开口使得更多的入射光可以透射过彩色滤光片，因而既可以满足彩色滤光片对于颜色的需求，又可以大大的提高彩色滤光片的光透过率。同时本发明中对现有制备工艺的改进不大，无需对现有生产线做任何改动即可实施，在不增加设备成本的情况下即可获得性能更好的彩色滤光片。The color filter obtained in the present invention has a simple structure, and a color filter with openings of a specific shape can be obtained only through a special mask design, and these openings allow more incident light to be transmitted through the color filter, thus It can not only meet the color requirements of the color filter, but also greatly improve the light transmittance of the color filter. At the same time, the present invention does not greatly improve the existing preparation process, and can be implemented without any modification to the existing production line, and a color filter with better performance can be obtained without increasing equipment costs.
以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的实际保护范围应由权利要求限定。The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions also belong to the category of the present invention, and the actual protection scope of the present invention should be defined by the claims.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210049556.0A CN102654593B (en) | 2012-02-29 | 2012-02-29 | Color filter, display device and preparation method of color filter |
| PCT/CN2012/085209 WO2013127210A1 (en) | 2012-02-29 | 2012-11-23 | Colour filter, display device and preparation method for colour filter |
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| CN102654593B (en) * | 2012-02-29 | 2014-09-10 | 京东方科技集团股份有限公司 | Color filter, display device and preparation method of color filter |
| CN103257475B (en) * | 2013-04-25 | 2016-04-13 | 京东方科技集团股份有限公司 | The preparation method of a kind of color membrane substrates, color membrane substrates and display device |
| KR102183919B1 (en) * | 2014-07-31 | 2020-11-30 | 삼성디스플레이 주식회사 | Liquid crystal display device |
| CN112859424A (en) * | 2021-02-08 | 2021-05-28 | 捷开通讯(深圳)有限公司 | Color filter, display panel and display device |
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| US5122891A (en) * | 1986-12-29 | 1992-06-16 | Goldstar Co., Ltd. | Color liquid crystal display device |
| JP3485997B2 (en) * | 1995-04-14 | 2004-01-13 | シチズン時計株式会社 | Liquid crystal display |
| CN1301413C (en) * | 2003-09-18 | 2007-02-21 | 统宝光电股份有限公司 | Method for manufacturing substrate with color filter |
| TWI276871B (en) * | 2004-12-28 | 2007-03-21 | Quanta Display Inc | General LCD panel |
| CN1776467A (en) * | 2005-12-06 | 2006-05-24 | 彭冠璋 | Color filter with both luminous brightness and light-color contrast |
| JPWO2010106704A1 (en) * | 2009-03-19 | 2012-09-20 | シャープ株式会社 | Display panel and display device |
| CN101598990B (en) * | 2009-06-11 | 2012-06-27 | 友达光电股份有限公司 | Touch panel and method for forming same |
| US8455160B2 (en) * | 2010-12-09 | 2013-06-04 | Himax Technologies Limited | Color filter of liquid crystal on silicon display device |
| CN202049251U (en) * | 2011-05-17 | 2011-11-23 | 京东方科技集团股份有限公司 | Color filter and display device comprising same |
| CN202141873U (en) * | 2011-07-22 | 2012-02-08 | 京东方科技集团股份有限公司 | Color filter and liquid crystal display panel |
| CN102269836A (en) * | 2011-08-30 | 2011-12-07 | 福州华映视讯有限公司 | Color optical filter and manufacturing method thereof |
| CN102338900A (en) * | 2011-10-11 | 2012-02-01 | 鸿富锦精密工业（深圳）有限公司 | Color filter and reflective display device with same |
| CN102654593B (en) * | 2012-02-29 | 2014-09-10 | 京东方科技集团股份有限公司 | Color filter, display device and preparation method of color filter |
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| WO2013127210A1 (en) | 2013-09-06 |
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