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    • 4. 发明授权
    • Color filter for liquid crystal display device and method for producing
the color filter
    • 液晶显示装置用滤色片及滤色片的制造方法
    • US5705302A
    • 1998-01-06
    • US468479
    • 1995-06-06
    • Yoshihiro OhnoHiroshi KiguchiFumiaki MatsushimaTaeko NakanoKuniyasu MatsuiTsuyoshi SunagawaToshiki NakajimaSatoru MiyashitaShigeyuki Ogino
    • Yoshihiro OhnoHiroshi KiguchiFumiaki MatsushimaTaeko NakanoKuniyasu MatsuiTsuyoshi SunagawaToshiki NakajimaSatoru MiyashitaShigeyuki Ogino
    • G02B5/20G02F1/1335
    • G02B5/20G02F1/1335
    • A color filter for a liquid crystal display device comprises an optically transparent substrate, a transparent conductive layer formed on the substrate, and a color layer formed on the transparent conductive layer with red, green and blue pixels arranged in a predetermined pattern. The color layer comprises pigments for coloring purpose and transparent conductive particles having a hydrophobic surface. The transparent conductive particles are included from 5% to 50% by volume of the color layer. The color layer may preferably have a specific resistivity of from 10.sup.-1 .OMEGA..multidot.cm to 10.sup.8 .OMEGA..multidot.cm. The transparent conductive particles comprise base transparent conductive particles having a hydrophobic compound bound on their surface by coupling or graft polymerization. A typical process of the color filter production comprises the steps of: (a) forming the transparent conductive layer of a predetermined pattern on the transparent substrate, (b) preparing a micelle colloid dispersion by dispersing a pigment and transparent conductive particles having hydrophobic surface in a medium containing a redox reactive surfactant and an electrolyte, and (c) carrying out an electrolysis in the micelle colloid dispersion by utilizing the transparent conductive layer on the transparent substrate for the anode to deposit the color layer comprising the pigment and the transparent conductive particles on the transparent conductive layer.
    • 液晶显示装置的滤色器包括光学透明基板,形成在基板上的透明导电层,以及以透明导电层形成的以预定图案排列的红色,绿色和蓝色像素的彩色层。 着色层包含用于着色的颜料和具有疏水表面的透明导电颗粒。 透明导电颗粒占彩色层的5%至50%(体积)。 彩色层可以优选具有10-1欧米伽×10 8欧姆×厘米的比电阻率。 透明导电颗粒包括具有通过偶联或接枝聚合在其表面上结合的疏水性化合物的基底透明导电颗粒。 彩色滤光片制造的典型工艺包括以下步骤:(a)在透明基板上形成预定图案的透明导电层,(b)通过将颜料和具有疏水表面的透明导电颗粒分散在其中制备胶束胶体分散体 含有氧化还原反应性表面活性剂和电解质的介质,(c)通过利用透明基板上的透明导电层进行负极沉积包含颜料和透明导电颗粒的着色层在胶束胶体分散液中进行电解 在透明导电层上。
    • 10. 发明授权
    • Method and apparatus for manufacturing color filter
    • 彩色滤光片制造方法及装置
    • US6056863A
    • 2000-05-02
    • US875177
    • 1997-07-21
    • Kozo GyotaAkihiko UematsuSadaaki SakaiToshinori SumitaFumiaki Matsushima
    • Kozo GyotaAkihiko UematsuSadaaki SakaiToshinori SumitaFumiaki Matsushima
    • C25D13/12G02B5/20G02F1/1335C25D5/02
    • G02B5/201C25D13/12G02F1/133516
    • A method for manufacturing color filters, in which color layers for transmitting light within a specific wavelength range are formed on light-transmissive electrodes formed on a light-transmissive substrate. The light-transmissive electrodes are brought into contact with a deposition solution having an electrolytic solution and a pigment material dispersed therein. A voltage is applied through the contacting portions between the light-transmissive electrodes and the deposition solution. The deposition solution is then electrolyzed between the light-transmissive electrodes and a submerged electrode. Color layers are formed on the light-transmissive electrodes. Examples of possible methods to bring the light-transmissive electrodes into contact with the deposition solution include immersing the light-transmissive electrodes in the deposition solution, engaging the light-transmissive electrodes into contact with the surface of the deposition solution, and other methods.
    • PCT No.PCT / JP96 / 03392 Sec。 371日期:1996年7月21日 102(e)日期1996年7月21日PCT 1996年11月20日PCT PCT。 WO97 / 19373 PCT出版物 日期1997年5月29日一种制造滤色器的方法,其中在特定波长范围内传输光的彩色层形成在形成在透光基底上的透光电极上。 透光电极与分散有电解液和颜料的沉积溶液接触。 通过透光电极和沉积溶液之间的接触部分施加电压。 然后在透光电极和浸没电极之间电解沉积溶液。 彩色层形成在透光电极上。 使透光电极与沉积溶液接触的可能方法的实例包括将透光电极浸入沉积溶液中,使透光电极与沉积溶液的表面接触,以及其它方法。