Complex light-compensation C plate with two or more of C plates different in dispersion ratio value and liquid crystal display using the same
US7326364B2 · kind B2 · utility
2Cited by
4References
14Claims
0Family size
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Key dates
| Filing date | Aug 13, 2004 |
| Grant date | Feb 5, 2008 |
| Priority date | — |
| Expiry date | Dec 9, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133637
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a complex light compensation C plate including at least two C plates representing different dispersion ratio values, respectively. The complex light compensation C plate improves a contrast characteristic of a liquid crystal display device at various viewing angles and has a broadband wavelength dispersion characteristic capable of minimizing color variation depending on various viewing angles in a black state of an LCD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.