发明名称 |
Color filter layer of cholesterically ordered material, and reflective LCD provided with such a color filter layer |
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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申请公布号 |
US6177216(B1) |
申请公布日期 |
2001.01.23 |
申请号 |
US19990450233 |
申请日期 |
1999.11.29 |
申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
BROER DIRK J.;MOL GRIETJE N.;LEENHOUTS FRANS |
分类号 |
G02B5/20;G02B5/22;G02B5/30;G02F1/1335;(IPC1-7):G02B5/20;G02F1/133 |
主分类号 |
G02B5/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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