IPS mode liquid crystal display using two sheets of biaxial negative retardation film and a plate
US7605895B2 · kind B2 · utility
3Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2006 |
| Grant date | Oct 20, 2009 |
| Priority date | — |
| Expiry date | Nov 13, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133634
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed herein is an IPS-LCD using two sheets of negative (−) biaxial retardation films and one +C-plate. The IPS-LCD has a superior contrast ratio at the surface-facing angle and tilt angles and undergoes a minimal color change with viewing angles in a black state, thereby providing a wider viewing angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.