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. 21, 2009
Filed:
Dec. 14, 2005
Applicant:
Charles Leu, Fullerton, CA (US);
Inventor:
Charles Leu, Fullerton, CA (US);
Assignee:
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); C03B 37/018 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens unit () includes a lens body () and a thin film () provided thereon. The thin film comprises a plurality of sections () from a center to a periphery. Each section has a different refractive index. The refractive index of the each section of the thin film increases from the center to the periphery of the lens body/thin film. Such a lens unit can be advantageously incorporated into a compact digital camera.