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:
Jul. 28, 2026
Filed:
Mar. 18, 2022
Hisense Laser Display Co., Ltd, Qingdao City, CN;
Zinan Zhou, Qingdao City, CN;
Youliang Tian, Qingdao City, CN;
Guangchao Du, Qingdao City, CN;
Jihong Han, Qingdao City, CN;
HISENSE LASER DISPLAY CO., LTD, Qingdao City, CN;
Abstract
A laser device includes a case, at least one heat sink, a plurality of laser chips, and at least one prism. The at least one heat sink, the plurality of laser chips, and the at least one prism are all located in the case. Each heat sink and each prism corresponds to one or more laser chips. The laser chip is located on a side of a corresponding heat sink away from the case, and the prism is located on a light-emitting side of one or more corresponding laser chips. The prism is configured to reflect a beam of light emitted by the one or more corresponding laser chips. The heat sink includes a heat dissipation substrate, a heat dissipation layer, an auxiliary layer, and a conductive layer that are disposed in sequence along a direction away from the case.