LCD with heat conductor from light source to separate portion of light guide
US5299038A · kind A · utility
43Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1992 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Jan 28, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133385
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In an LCD (Liquid Crystal Display) module, a light-guide plate is arranged on a side opposite to a display surface of an LCD panel, and cold-cathode tubes are provided to two sides of the light-guide plate Light generated by the cold-cathode tube is uniformly radiated on the LCD panel through the light-guide plate. The cold-cathode tubes generate heat together with light A panel cover is arranged to prevent heat from dissipating to the outside. Heat is conducted to part or an entire portion of the light-guide plate by using a heat conducting plate or the like
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.