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.
Patent No.:
Date of Patent:
Sep. 07, 2021
Filed:
Nov. 22, 2019
Applicant:
Coretronic Corporation, Hsin-Chu, TW;
Inventors:
Hung-Wei Liu, Hsin-Chu, TW;
Chien-Chung Liao, Hsin-Chu, TW;
Assignee:
Coretronic Corporation, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2013 (2013.01); G03B 21/204 (2013.01); G03B 21/208 (2013.01);
Abstract
A projection apparatus including a projection lens, a light valve module, and an illumination system optically coupled to produce an image beam is provided. The illumination system further includes a plurality of first laser source modules adapted to emit a plurality of first laser beams, and a diffusion component disposed on transmission paths of the plurality of first laser beams, such that the plurality of first laser beams form a plurality of light spots at a plurality of locations on the diffusion component.