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:
Dec. 29, 2020
Filed:
Jan. 16, 2019
Young Optics Inc., Hsinchu, TW;
S-Wei Chen, Hsinchu, TW;
Young Optics Inc., Hsinchu, TW;
Abstract
A pattern projection device includes a matric-type light source, an image lens and a lampshade. The matric-type light source is composed of a plurality of light-emitting elements for emitting image light with a pattern. The image lens is located downstream of optical path of the matric-type light source, and the image lens includes a lens with refractive power and an anamorphic optical element. The lampshade is located downstream of the optical path of the anamorphic optical element. The anamorphic optical element is selected from the group consisting of a cylindrical lens, a biconic lens, a lenticular lens, a wedge lens, a wedge plate or a combination thereof.