| 发明名称 |
Liquid crystal twist cell with grey scale capabilities |
| 摘要 |
A liquid crystal twist cell is disclosed in which the transmission characteristics may be conveniently controlled so as to produce a grey scale. The elastic constants of the crystal are maintained within a specified range to enable the convenient variation of transmission characteristics.
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| 申请公布号 |
US4043640(A) |
申请公布日期 |
1977.08.23 |
| 申请号 |
US19750617074 |
申请日期 |
1975.09.26 |
| 申请人 |
BELL TELEPHONE LABORATORIES, INCORPORATED |
发明人 |
BERREMAN, DWIGHT WINTON |
| 分类号 |
G02F1/139;(IPC1-7):G02F1/13 |
主分类号 |
G02F1/139 |
| 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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