Light source module and projection display having the same

Details Light source module and projection display having the same Light source module and projection display having the same

2006-05-25

2008-11-11

Husar, Stephen F (Department: 2875)

Illumination

Housing

With cooling means

C362S294000, C362S345000, C353S058000, C353S060000, C353S061000

Reexamination Certificate

active

07448777

ABSTRACT:
A light source module comprises a case, a light source, a first air-circulation device, a second air-circulation device and an airflow guide. The case has an airflow outlet, and other components are disposed therein. The airflow guider includes a first stream-guiding part and a second stream-guiding part connected thereto. The first stream-guiding part and the airflow outlet are at a same side of the light source, the second stream-guiding part is over the light source. The first airflow provided by the first air-circulation device passes past the light source, arrives at the first stream-guiding part, flows from the front of the light source towards the back of the light source guided by the second stream-guiding part, and mixes up with the second airflow provided by the second air-circulation device and finally exits from the airflow outlet. Therefore, concentrated heat is prevented at the airflow outlet.

REFERENCES:
patent: 3703635 (1972-11-01), Burkarth
patent: 7140734 (2006-11-01), Lim
patent: 2003/0179579 (2003-09-01), Hsu et al.

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