High-brightness color liquid crystal display panel employing light recycling therewithin
US6831720B2 · kind B2 · utility
15Cited by
5References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 2003 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | May 30, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/40
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color liquid crystal display using reflective color filters using layers of cholesteric liquid crystals is disclosed. The reflective color filters have two different center wavelengths and bandwidths per layer and are stacked in two layers to provide colored light for displays. With various numbers of layers in the stack, different polarization levels are provided. The pixels in the display of the invention are arranged such that multiple adjacent sub-pixels in a layer with the same color makes the color filters easier to manufacture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.