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:
Sep. 02, 2025

Filed:

Nov. 09, 2022
Applicant:

Hisense Laser Display Co., Ltd., Shandong, CN;

Inventors:

Zhen Wang, Shandong, CN;

Dabo Guo, Shandong, CN;

Xianrong Liu, Shandong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); H04N 9/68 (2023.01);
U.S. Cl.
CPC ...
H04N 9/3161 (2013.01); H04N 9/3105 (2013.01); H04N 9/312 (2013.01); H04N 9/68 (2013.01);
Abstract

Disclosed by the present application are a laser projection device and projection display method thereof, belonging to the technical field of laser projection. The laser projection device may comprise: a light source, a light modulation device, and a projection lens. The light source is used for providing an illumination beam. The light modulation device is used for modulating the illumination beam, at least two illumination beams being incident on at least two light-reflecting surfaces of the light modulating device, the light-reflecting surface types of the at least two light-reflecting surfaces being different, and the at least two illumination beams after modulation being of different light intensity; the projection lens is used for projecting the modulated illumination beam for imaging. The described laser projection device improves the display of the projected image.


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