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:
Jun. 25, 2024

Filed:

May. 27, 2021
Applicant:

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

Inventors:

Jichen Xiao, Shandong, CN;

Yishi Zhao, Shandong, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 (2006.01); G03B 21/00 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
H04N 9/312 (2013.01); G03B 21/008 (2013.01); G03B 21/2033 (2013.01); H04N 9/3114 (2013.01); H04N 9/3161 (2013.01);
Abstract

A laser projection display method includes: in an output period for a laser source to output a primary color beam, controlling the laser source to be turned off according to a set rotation switching period, the rotation switching period indicating a moment when the laser source is turned off and a moment when the laser source is turned on; in the rotation switching period, driving micro-mirrors in a digital micro-mirror device to perform rotation switching between an ON state and an OFF state until the moment when the laser source is turned on indicated by the rotation switching period is reached; and when the moment when the laser source is turned on is reached, controlling the laser source to be turned on, and driving the micro-mirrors to rotate to project and display an image to be displayed until a next rotation switching period is reached.


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