Display device with light guide having polarizing material in grooves
US6545734B2 · kind B2 · utility
11Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Mar 12, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13362
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Transflective display device provided with an optical waveguide which splits light coming in from aside into two light beams having a mutually opposite circular polarization. Polarization splitting is achieved at the interface of areas in the optical waveguide having a chiral nematic structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.