Small-sized projector with high heat dissipating efficiency
US8007114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2008 |
| Grant date | Aug 30, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A projector includes a housing, a projection lens, a receiving member, an optical engine, a light source module, a heat sink, and a fan. The housing includes a bottom wall and four sidewalls, the bottom wall and the four sidewalls together define a receiving space. One of the sidewalls a number of first vents, the other three sidewalls define a number of second vents. The projection lens is located at an intersecting corner of the sidewalls. The receiving member includes a first receiving portion and a second receiving portion. The optical engine is received in the second receiving portion. The light source module is received in the first receiving portion. The heat sink is located at an intersecting corner of the sidewalls. The fan is located at an intersecting corner of the sidewalls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.