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:
May. 13, 2025
Filed:
Aug. 03, 2021
Applicant:
Largan Precision Co., Ltd., Taichung, TW;
Inventors:
Kuo-Chiang Chu, Taichung, TW;
Chien-Pang Chang, Taichung, TW;
Chun-Hung Teng, Taichung, TW;
Wen-Yu Tsai, Taichung, TW;
Assignee:
LARGAN PRECISION CO., LTD., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 1/11 (2015.01); G02B 5/00 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/003 (2013.01); G02B 13/001 (2013.01);
Abstract
A miniature optical lens assembly, which has at least one optical element, includes the optical element. The optical element includes a low reflection layer disposed on at least one surface of the optical element. The low reflection layer includes a plurality of nanocrystalline grains, and the nanocrystalline grains are located on one surface of the low reflection layer. The optical element is at least one of a light blocking element, an annular spacer element and a barrel element.