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    • 7. 发明授权
    • Dispersion-preventing pattern for liquid crystal display device
    • 液晶显示装置的防分散图案
    • US5691011A
    • 1997-11-25
    • US665203
    • 1996-06-14
    • Mark D. NewshamBenjamin M. DeKoven
    • Mark D. NewshamBenjamin M. DeKoven
    • G02F1/1335G02B5/20
    • G02F1/133512Y10T428/1041Y10T428/24802Y10T428/24901
    • The present invention is a liquid crystal display device comprising a color filter which comprises: a) a transparent substrate; b) an opaque material disposed as a pattern on a major surface of the substrate, which pattern defines borders within which a coloring agent or agents can be received; c) a silicate layer superposing the opaque material, the silicate layer having reactive sites; d) a sufficient concentration of organosiloxane groups bonded to the reactive sites of the silicate layer to render the opaque material dispersion inhibiting; and e) at least one coloring agent disposed within the borders defined by the opaque material. In another aspect, the present invention is a method of preparing a color filter for a liquid crystal display device that comprises organosiloxane groups bonded to the surface of a black material disposed on a transparent substrate in such a manner as to form borders for wells or channels adapted to receive coloring materials, the bonded organosiloxane groups being prepared by the steps of: a) exposing the black material to a silicon tetrahalide and sufficient water to form a silicate layer on the opaque material; b) contacting the silicate layer with an organosiloxating reagent to form organosiloxane groups bonded to the silicate layer; and c) disposing a coloring agent into at least one well or channel. The present invention provides an effective means of creating dispersion-preventing patterns for color filters in LCDs.
    • 本发明是一种包括滤色器的液晶显示装置,其包括:a)透明基板; b)在基材的主表面上以图案形式设置的不透明材料,该图案限定可以接收着色剂或试剂的边界; c)叠加不透明材料的硅酸盐层,所述硅酸盐层具有反应性位点; d)足够浓度的结合到硅酸盐层的反应位点的有机硅氧烷基团,使不透明材料分散体抑制; 和e)设置在由不透明材料限定的边界内的至少一种着色剂。 另一方面,本发明是一种液晶显示装置的滤色片的制造方法,该液晶显示装置包含有机硅氧烷基团,其与设置在透明基板上的黑色材料的表面接合,形成孔或沟道的边界 适于接收着色材料的粘合有机硅氧烷基团通过以下步骤制备:a)将黑色材料暴露于四卤化硅和足够的水以在不透明材料上形成硅酸盐层; b)使硅酸盐层与有机硅氧烷化试剂接触以形成结合到硅酸盐层的有机硅氧烷基团; 和c)将着色剂置于至少一个孔或通道中。 本发明提供了一种为液晶显示器中的滤色器制造分散防止图案的有效手段。