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    • 6. 发明授权
    • Color filter
    • 滤色片
    • US5176971A
    • 1993-01-05
    • US742457
    • 1991-08-05
    • Masayoshi ShimamuraTadahiro FurukawaAkiyoshi MurakamiToshio Haga
    • Masayoshi ShimamuraTadahiro FurukawaAkiyoshi MurakamiToshio Haga
    • G02F1/1335
    • G02F1/133516
    • A technique related to color filters to be arranged on the light-receiving surface of a color liquid crystal display device, color video camera, and the like. The color filter consists of a substrate (10) and a colored filter layer (12) formed thereon. The colored filter layer (12) comprises, for example, three groups of filter picture elements (14R), 14G, 14B) having spectral characteristics respectively corresponding to red, green and blue. Each group of filter picture elements are made of polyimide resin and dye contained therein. Further, each group of the filter picture elements (R, G, B) are arranged in direct contact with one surface of the substrate (10) without using any intermediate protecting film. The first group of filter picture elements patterned on one surface of the substrate (10) are subjected to heat treatment at a high temperature of about 250.degree. C., for example, to increase their resistance against the solvent. Then, a second coating layer for patterning the second group of filter picture elements is directly formed without using any intermediate protecting film.
    • 与彩色液晶显示装置的受光面配置的彩色滤光片有关的技术,彩色摄像机等。 滤色器由形成在其上的基板(10)和着色滤光层(12)组成。 彩色滤光层(12)例如包括具有分别对应于红色,绿色和蓝色的光谱特性的三组滤光器像素(14R),14G,14B)。 每组滤光片元件由聚酰亚胺树脂和包含在其中的染料制成。 此外,每组滤波器像素(R,G,B)与基板(10)的一个表面直接接触而不使用任何中间保护膜。 在基板(10)的一个表面上图案化的第一组滤色器图像元件在约250℃的高温下进行热处理,例如以增加它们对溶剂的抵抗力。 然后,直接形成用于图案化第二组滤波器像素的第二涂层,而不使用任何中间保护膜。