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:
May. 22, 2018

Filed:

Apr. 18, 2017
Applicant:

Coretronic Corporation, Hsin-Chu, TW;

Inventors:

Chi-Hsun Wang, Hsin-Chu, TW;

Chang-Hsuan Chen, Hsin-Chu, TW;

Hsuan-I Wu, Hsin-Chu, TW;

Ko-Shun Chen, Hsin-Chu, TW;

Assignee:

Coretronic Corporation, Hsin-Chu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); H04N 9/31 (2006.01); G02B 26/00 (2006.01); G02B 27/10 (2006.01); G02B 27/14 (2006.01); G03B 33/08 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 26/008 (2013.01); G02B 27/102 (2013.01); G02B 27/141 (2013.01); G03B 21/208 (2013.01); G03B 21/2013 (2013.01); G03B 21/2066 (2013.01); G03B 33/08 (2013.01); H04N 9/3158 (2013.01);
Abstract

An illumination system and a projection device are disclosed. The illumination system includes laser light sources, a color wheel element and light combiners. The laser light sources provide laser lights of different colors. One of the laser light sources is disposed on an optical axis. The color wheel element is disposed on the optical axis and on a transmission path of the laser lights, and adjusts wavelengths of the laser lights. The light combiners are disposed on the optical axis and between the laser light source and the color wheel element. The light combiners are pervious to the laser lights or reflect the laser lights to combine the laser lights on the optical axis. The illumination system uses the laser light sources to provide lights of different colors, and in collaboration with a configuration structure of the optical elements thereof, the laser lights with a wider color gamut are provided.


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