Closed loop LCD heater system
US6535266B1 · kind B1 · utility
176Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133382
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An LCD heater having independent closed loop control over heating for a plurality of zones on the display, wherein each zone has a relatively homogeneous heat dissipation or heat sinking properties and one of the zones is a central region of the display which is heated by an ITO film and has its temperature sensed, by a transparent sensor, at a central point within the viewable section of the LCD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.