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:
Mar. 19, 2019

Filed:

Mar. 30, 2018
Applicants:

Hisense Co., Ltd., Qingdao, CN;

Hisense Usa Corporation, Suwanee, GA (US);

Hisense International Co., Ltd., Qingdao, CN;

Inventors:

Rongrong Cui, Qingdao, CN;

Xinhong Lin, Qingdao, CN;

Jianfeng Li, Qingdao, CN;

Assignees:

Hisense Co., Ltd., Qingdao, CN;

Hisense USA Corporation, Suwanee, GA (US);

Hisense International Co., Ltd., Qingdao, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/14 (2006.01); F21V 14/08 (2006.01); F21V 9/30 (2018.01); G02B 26/00 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01); G03B 33/08 (2006.01);
U.S. Cl.
CPC ...
F21V 14/08 (2013.01); F21V 9/30 (2018.02); G02B 26/008 (2013.01); G03B 21/204 (2013.01); G03B 33/08 (2013.01); H04N 9/3114 (2013.01); H04N 9/3158 (2013.01); H04N 9/3161 (2013.01); H04N 9/3194 (2013.01);
Abstract

A laser light source is provided. The laser light source includes: a laser device; a first color wheel and a second color wheel, on both of which there are corresponding color regions, wherein the laser device emits laser which illuminates the first color wheel and the second color wheel sequentially, and exits from the color regions on the second color wheel; a first marker and a second marker arranged respectively on the first and the second color wheels; a first sensor configured to detect the first marker, and to generate a first sense signal; a second sensor configured to detect the second marker, and to generate a second sense signal; and a control unit configured to synchronize the first color wheel and the second color wheel.


Find Patent Forward Citations

Loading…