Portable projector using an LED and related heat dissipation...

Details Portable projector using an LED and related heat dissipation... Portable projector using an LED and related heat dissipation...

2011-03-29

2011-03-29

Sohn, Seung C (Department: 2878)

Optics: image projectors

Temperature control

Liquid coolant

C353S060000, C353S061000, C313S035000, C313S036000, C362S555000, C362S561000

Reexamination Certificate

active

07914152

ABSTRACT:
A portable projector with a heat dissipation system, includes a housing and two LED light sources located in the housing. Each of the LED light sources includes a circuit aboard, an LED device mounted on the circuit aboard and a heat pipe. The heat pipe has an evaporating section thermally contacting the circuit board, and a condensing section. A fin set thermally contacts with the condensing section of the heat pipe for dissipating heat therefrom. The fin set of one LED light source is located behind the evaporating section of the heat pipe of the other light source and closely adjacent to a wall of the housing.

REFERENCES:
patent: 7226171 (2007-06-01), Fujimori et al.
patent: 7263269 (2007-08-01), Miyashita
patent: 7334898 (2008-02-01), Seto et al.
patent: 7578595 (2009-08-01), Miwa et al.
patent: 101035424 (2007-09-01), None
patent: 2005-338282 (2005-12-01), None

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