Liquid crystal display device with birefringent film between the substrates of the liquid crystal
US5179457A · kind A · utility
40Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 1990 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Sep 19, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/01
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display device includes a phase-plate disposed between a pair of substrates, preferably inside of the electrode, to increase the transmission rate and improve the contrast ratio of the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.