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    • 50. 发明授权
    • Color filter for liquid crystal displays and film-forming apparatus
    • 液晶显示器用彩色滤光片及成膜装置
    • US5558927A
    • 1996-09-24
    • US244033
    • 1994-06-30
    • Hisashi ArugaKeiji TakizawaRyuji SawataTakashi Kobayashi
    • Hisashi ArugaKeiji TakizawaRyuji SawataTakashi Kobayashi
    • G02B5/20G02F1/1335B32B9/00
    • G02B5/201G02F1/133516Y10T428/1041Y10T428/24802Y10T428/24901Y10T428/25
    • A color filter for a liquid crystal display which comprises an optically transparent supporting member (100), a transparent conductive layer (500) formed upon said supporting member (100), and a color layer (200) in which are disposed in specified patterns red, blue and green picture elements formed upon said transparent conductive layer (500), wherein the color layer (200) employs pigments as coloring agents which form said picture elements, the relative dielectric constant of the color layer (200) is at least 2.0 under measurement conditions of the application thereto of an alternating current of 5 V and a frequency of 1 kHz to 100 kHz, and moreover, the red, blue and green picture elements of which the color layer is composed have relative dielectric constant of within a range of .+-.25% of the mean value for the relative dielectric constant of said color layer. The color layer (200) is 0.4 .mu.m to 1.0 .mu.m thick. The electro-optical properties of the picture elements of the color filter are almost identical, and the color filter in spite of adopting electrode lower-mounted structure (COI structure) enables the provision of a liquid crystal display which can provide sufficient effective voltage and good color adjustment.
    • PCT No.PCT / JP93 / 01337 Sec。 371日期:1994年6月30日 102(e)1994年6月30日PCT 1993年9月17日PCT公布。 公开号WO94 / 07158 日期1994年3月3日一种用于液晶显示器的滤色器,包括光学透明支撑构件(100),形成在所述支撑构件(100)上的透明导电层(500)和彩色层(200),其中 以特定图案设置在所述透明导电层(500)上形成的红色,蓝色和绿色图像元素,其中所述着色层(200)使用颜料作为形成所述像素的着色剂,所述着色层(200)的相对介电常数 在使用5V的交流电流和1kHz至100kHz的频率的测量条件的测量条件下至少为2.0,此外,构成彩色层的红色,蓝色和绿色像素具有相对介电常数 在所述彩色层的相对介电常数的平均值的+/- 25%的范围内。 着色层(200)的厚度为0.4μm〜1.0μm。 滤色器的像素的电光性质几乎相同,并且滤色器尽管采用电极下部结构(COI结构),但能够提供能够提供足够的有效电压和良好的液晶显示器 颜色调整。