Heat-dissipating device for liquid crystal display projector
US6623125B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2001 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Mar 7, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3144
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A heat-dissipating device for being used in a liquid crystal display projector having liquid crystal displays and polarizers is provided. The heat-dissipating device includes a heat-dissipating channel disposed under the liquid crystal displays and the polarizers and having a main path, a first branch, a second branch, and a plurality of vents corresponding to and adjacent to the liquid crystal displays and the polarizers, respectively, and a fan connected with an end of the heat-dissipating channel, wherein when an airflow is blown from the fan into the main path, the first branch and the second branch and discharged outwardly through the vents, heat generated from the liquid crystal displays and the polarizers is dissipated and temperatures around the liquid crystal displays are kept near isothermal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.