The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 03, 2020

Filed:

Sep. 05, 2019
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Wen-Yen Chung, Hsin-Chu, TW;

Yi-Han Lai, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/14 (2006.01); G03B 21/20 (2006.01); H05K 7/20 (2006.01); F28D 1/02 (2006.01); F28D 15/02 (2006.01); H01B 7/42 (2006.01); H04N 9/31 (2006.01); F28D 21/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); F28D 1/024 (2013.01); F28D 15/02 (2013.01); G03B 21/145 (2013.01); G03B 21/2033 (2013.01); H01B 7/426 (2013.01); H05K 7/20136 (2013.01); H05K 7/20336 (2013.01); F28D 2021/0029 (2013.01); H04N 9/3114 (2013.01);
Abstract

The invention provides a projection device. The projection device includes a housing, an optical engine, a projection lens, a plurality of first fans and a heat dissipating module. The housing has an air inlet and an air outlet. The optical engine is configured in the housing, and includes a plurality of heating elements. The projection lens is connected to the optical engine. The heat dissipating module is configured in the housing, and the heat dissipating module includes a first heat dissipating fin. One of the plurality of first fans is adjacent to the first heat dissipating fin, and another of the plurality of first fans is away from the first heat dissipating fin. There is no the first heat dissipating fin between the air inlet and the another, away from the first heat dissipating fin, of the plurality of first fans.


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