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:
Jun. 11, 2019
Filed:
Jun. 03, 2016
Hisense Co., Ltd., Qingdao, CN;
Hisense Usa Corp., Suwanee, GA (US);
Hisense International Co., Ltd., Qingdao, CN;
Xianrong Liu, South area of Qingdao, CN;
Youliang Tian, South area of Qingdao, CN;
HISENSE CO., LTD., Qingdao, CN;
HISENSE USA CORP., Suwanee, GA (US);
HISENSE INTERNATIONAL CO., LTD., Shandong, CN;
Abstract
A laser projection display device, relating to the technical field of laser, including a laser light source having a light source shell, an airtight device fixed on an inner wall of the light source shell, and a laser device provided in the interior of the airtight device. The airtight device having a sealing housing and a gas pressure adjustment structure, the sealing housing is fixed on an inner wall of the light source shell, the gas pressure adjustment structure is arranged on one side of the sealing housing, the sealing housing is communicated with the gas pressure adjustment structure, and the gas pressure adjustment structure is configured to adjust the volume of the airtight device.