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:
Feb. 18, 2020
Filed:
Dec. 27, 2017
Applicant:
Rays Optics Inc., Hsinchu County, TW;
Inventors:
Bing-Ju Chiang, Hsinchu County, TW;
Hsin-Te Chen, Hsinchu County, TW;
Kuo-Chuan Wang, Hsinchu County, TW;
Sheng-Da Jiang, Hsinchu County, TW;
Assignee:
Rays Optics Inc., Hsinchu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01); G02B 13/04 (2006.01); G02B 9/04 (2006.01); G02B 13/00 (2006.01); G02B 9/62 (2006.01); G02B 13/14 (2006.01); G08B 13/196 (2006.01); G02B 9/60 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/60 (2013.01); G02B 9/62 (2013.01); G02B 13/04 (2013.01); G02B 13/146 (2013.01); G08B 13/19628 (2013.01);
Abstract
A lens including a first lens group and a second lens group is provided. The first lens group is disposed between a magnified side and a minified side. The second lens group is disposed between the first lens group and the minified side. The lens includes six or less lens elements, and at least four of the six or less lens elements are aspheric lenses. A field of view of the lens is in a range between 100 degrees and 165 degrees, and the second lens group has at least one spherical lens.