Double cell liquid crystal
US6437843B1 · kind B1 · utility
9Cited by
6References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 3, 2000 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Apr 3, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1397
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In normally black double cells, the viewing angle (especially for DSTN) is increased by adding a retardation foil, having its optical axis parallel to an optical axis of the analyzer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.