Liquid crystal display with mirror mode having top reflective polarizer
US7057681B2 · kind B2 · utility
204Cited by
16References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2003 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | Jul 2, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0202
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a display device 100, a reflective polarizer 110, a polarizer 120, a retarder 130, a liquid crystal panel 140, a polarizer 150, and a backlight 160 are disposed sequentially from the viewing side. When the liquid crystal panel 140 is set in a light blocking state or the backlight 160 is set in an unlit state, the reflection of an outside light “O” turns the display screen into a mirror state. When the backlight 160 is set in a lit state to drive the liquid crystal panel 140, a transmitted light “T” allows a particular display screen to be visually recognized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.