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:
Mar. 21, 2019
Applicant:
Largan Precision Co., Ltd., Taichung, TW;
Inventors:
Pei-Chi Chang, Taichung, TW;
Yeo-Chih Huang, Taichung, TW;
Assignee:
LARGAN PRECISION CO., LTD., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/14 (2006.01); G02B 5/20 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/208 (2013.01); G02B 13/008 (2013.01); G02B 13/0045 (2013.01); G02B 13/14 (2013.01);
Abstract
An optical image lens assembly includes a plurality of optical lens elements, wherein the optical lens elements include a plurality of plastic optical lens elements having refractive power and aspheric surfaces. Wherein at least one long-wavelength red light absorbing optical lens element made of a plastic material and having refractive powers is disposed within the optical image lens assembly, and the long-wavelength red light absorbing optical lens element can be penetrated by a visible light and can filter a long-wavelength red light.