Keyboard illumination system and method
US7385588B2 · kind B2 · utility
3Cited by
10References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2005 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Aug 31, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/023
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keyboard illumination system comprises a computer device having a plurality of liquid crystal displays (LCDs). The system also comprises a display controller adapted to change an electrical state of at least one of the LCDs for providing a predetermined level of illumination by the at least one LCD for illuminating at least a portion of a keyboard of the computer device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.