Reflective LCD with front light and protective member with window
US6650382B1 · kind B1 · utility
51Cited by
11References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Nov 16, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133616
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reflective type LCD is provided with a front-light. The front light includes an optical film provided on the large face of a lightguide which faces the liquid crystal display device. A two dimensional area defined by the optical film is greater than a two dimensional area defined by a window formed in the protection member, but less than a two dimensional area defined by the lightguide, so that at least a portion of a peripheral edge of the optical film is located between the end face of the window and the end face of the light guide as viewed from a front of the LCD apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.