| 发明名称 |
FLUESSIGKRISTALL-ANZEIGEELEMENTE. |
| 摘要 |
Liquid crystal display elements based on a twisted nematic cell are almost free from interference colors and show only a very little angular dependence of the contrast, if the product of the layer thickness and the optical anisotropy of the liquid crystalline dielectric has a value of 150 to 600 nanometers. |
| 申请公布号 |
CH653143(A5) |
申请公布日期 |
1985.12.13 |
| 申请号 |
CH19810004040 |
申请日期 |
1981.06.18 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG |
发明人 |
POHL, LUDWIG, DR.;EIDENSCHINK, RUDOLF, DR.;WEBER, GEORG;DEL PINO, FERNANDO |
| 分类号 |
C09K19/02;C09K19/30;C09K19/32;C09K19/34;C09K19/42;C09K19/44;C09K19/46;G02F1/13;G02F1/133;G02F1/137;G02F1/139;(IPC1-7):G02F1/133 |
主分类号 |
C09K19/02 |
| 代理机构 |
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代理人 |
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