Liquid crystal display optical head with a heat sink
US6943864B2 · kind B2 · utility
1Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2001 |
| Grant date | Sep 13, 2005 |
| Priority date | — |
| Expiry date | Jul 6, 2021 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V29/89
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to the field of liquid crystal optical display heads.The invention is a liquid crystal optical display head comprising a casing (1) in which there are one or more lamps (6), one or more covers (7) surrounding the lamp or lamps (6) and at least one heat sink (8), the heat sink (8) being made as one piece from a heat conducting material and directly connecting the cover or covers (7) to the outside of the casing (1).The invention may especially be applied to liquid crystal optical display heads mounted on an aircraft instrument panel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.