Light sensitive display which senses decreases in light
US6947102B2 · kind B2 · utility
89Cited by
81References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2002 |
| Grant date | Sep 20, 2005 |
| Priority date | — |
| Expiry date | Dec 23, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/144
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light sensitive display that includes a front electrode layer, a rear electrode layer, a liquid crystal material. The display includes a light sensitive element with at least two terminals and a transistor with at least three terminals. A readout system determining when light sensed by the light sensitive element is less than the ambient light and determining the region of the display that the light is less than the ambient light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.