Projection apparatus and lamp module

Details Projection apparatus and lamp module Projection apparatus and lamp module

2011-03-08

2011-03-08

Luu, Thanh X (Department: 2878)

Optics: image projectors

Temperature control

Blower

C362S227000, C362S264000

Reexamination Certificate

active

07901085

ABSTRACT:
A projection apparatus including a casing, a lamp module, an imaging system and an optical engine is provided. The lamp module is disposed in the casing and includes a frame, a first fan, a plurality of light sources and a wind guiding device. The first fan is disposed on the frame and provides a cooling airflow. The light sources provide a light beams. The wind guiding device is disposed between the first fan and the frame, and has a baffle disposed on a flowing path of the cooling airflow to divide the cooling airflow into a plurality of cooling sub-airflows for cooling the light sources respectively. The imaging system and the optical engine are received in the casing and disposed on the transmission path of the light beam, and the optical engine is positioned between the lamp module and the imaging system.

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“Office Action of Taiwan Counterpart Application” issued on Jan. 12, 2010, p. 1-p. 4.
“1st Office Action of China counterpart application”, issued on Sep. 11, 2009, p. 1-p. 5.

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