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    • 5. 发明公开
    • 적층 광학 필름, 그리고 그 적층 광학 필름을 사용한 액정 패널 및 액정 표시 장치
    • 层压光学膜和液晶板和液晶显示设备使用层压光学膜
    • KR1020090107938A
    • 2009-10-14
    • KR1020090029977
    • 2009-04-07
    • 닛토덴코 가부시키가이샤
    • 사바에미사키도모나가마사토시고이시나오키비토우마사토
    • G02B5/30B32B7/02G02F1/1335
    • PURPOSE: A laminated optical film, a liquid crystal panel using the same, and a liquid crystal display device are provided to improve screen contrast by arranging a first optical compensation layer and a second optical compensation layer with an optical characteristic. CONSTITUTION: A laminated optical film(10) includes a polarizer(11), a first optical compensation layer(12) and a second optical compensation layer(13). In the first optical compensation layer, a refractive index ellipsoid represents nx>ny>nz. In the second optical compensation layer, the refractive index ellipsoid represents nx>ny>nz. In the third optical compensation layer, the refractive index ellipsoid represents nx>ny>nz or nx>ny=nz. An absorption axis of the polarizer is arranged in the polarizer and the first optical compensation layer to be parallel or vertical to the first optical compensation layer. The absorption axis is arranged in the polarizer and the second optical compensation layer to be parallel or vertical to a ground axis of the second optical compensation layer.
    • 目的:提供层压光学薄膜,使用其的液晶面板和液晶显示装置,通过布置具有光学特性的第一光学补偿层和第二光学补偿层来提高屏幕对比度。 构成:叠层光学薄膜(10)包括偏振片(11),第一光学补偿层(12)和第二光学补偿层(13)。 在第一光学补偿层中,折射率椭圆表示nx> ny> nz。 在第二光学补偿层中,折射率椭圆体表示nx> ny> nz。 在第三光学补偿层中,折射率椭球表示nx> ny> nz或nx> ny = nz。 偏振器的吸收轴被布置在偏振器和第一光学补偿层中以平行或垂直于第一光学补偿层。 吸收轴被布置在偏振器和第二光学补偿层中以平行或垂直于第二光学补偿层的接地轴线。