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:
Mar. 09, 2021
Filed:
Aug. 19, 2019
Hisense Broadband Multimedia Technologies Co., Ltd., Shandong, CN;
Xuxia Liu, Shandong, CN;
Shijian Ben, Shandong, CN;
HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD., Shandong, CN;
Abstract
The present application provides an optical module, including a laser, a laser driving chip, and a lens component disposed above the laser and the laser driving chip, where an inner cavity wall of the lens component that faces towards the laser and the laser driving chip is provided with a transmitting lens; a surface of the transmitting lens and the inner cavity wall around the transmitting lens are coated with a reflective film; and there is no reflective film coated on a part or entire of a region, of the inner cavity wall of the lens unit, which is irradiated by a secondarily reflected laser light.