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:
Apr. 01, 2025
Filed:
Jan. 10, 2020
Hangzhou Uphoton Optoelectronics Technology Co., Ltd., Zhejiang Province, CN;
Qun Luo, Zhejiang Province, CN;
Xingpeng Yang, Zhejiang Province, CN;
Ming Yuan, Zhejiang Province, CN;
Hangzhou UPhoton OPtoelectronics Technology Co., Ltd., Zhejiang Province, CN;
Abstract
A beam-splitting optical module (), comprising: a light-emitting device (); and a diffractive optical element (), wherein the diffractive optical element () is provided in a light exit path of the light-emitting device (), and is configured to modulate incident light to project at least two groups of light beams, and can form, on a target surface (), at least two groups of light spots, the number of groups of which corresponds to that of the light beams, wherein polarization directions of at least two groups of light beams are different, and/or optical distances from the light-emitting device () to the target surface () are different.