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COLOR FILTER LAYER OF CHOLESTERICALLY ORDERED MATERIAL, AND REFLECTIVE LCD PROVIDED WITH SUCH A COLOR FILTER LAYER
COLOR FILTER LAYER OF CHOLESTERICALLY ORDERED MATERIAL, AND REFLECTIVE LCD PROVIDED WITH SUCH A COLOR FILTER LAYER
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机译:胆味有序材料的彩色滤光片层,以及具有这种彩色滤光片层的反射型LCD
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摘要
The invention relates to a color filter layer of a cholesterically ordered material, in which the axis of the molecular helix is directed perpendicularly to said layer. According to the invention, the color filter layer comprises at least one dye which is able to absorb undesired colors caused by color shifts. A correct choice of the bandwidth of the primary colors of the color filter layer and the dyes significantly alleviates the problem of undesired color shift. The invention also relates to a liquid crystal color display device of the reflective type, which is provided with such a color filter layer.
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