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:
Aug. 20, 2019
Filed:
Jul. 06, 2018
Qingdao Hisense Laser Display Co., Ltd., Qingdao, Shandong, CN;
Xianglai Pang, Suwanee, GA (US);
Changming Jia, Suwanee, GA (US);
Hongjie Fan, Suwanee, GA (US);
Fei Zhao, Suwanee, GA (US);
Zinan Zhou, Suwanee, GA (US);
Xiuyan Cao, Suwanee, GA (US);
Qindao Hisense Laser Display Co., Ltd., Qingdao, Shandong, CN;
Abstract
A laser projection device may include a laser, an installing bracket and a sealing ring. A sidewall of the laser may include an annular groove. A laser installing opening may be included on the installing bracket and the laser may be fitted in the laser installing opening. The sealing ring may include an embedded portion and a curved portion. A first bevel chamfer may be formed on an outer side of the curved portion, and a second bevel chamfer may be formed between the top surface and an inner wall of the laser installing opening. The sealing ring may be located between the sidewall of the laser and the laser installing opening, and the first bevel chamfer and the second bevel chamfer fit together.