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.

Date of Patent:
Sep. 05, 2006

Filed:

Mar. 01, 2002
Applicants:

Guolin MA, Milpitas, CA (US);

Dave Pitou, San Jose, CA (US);

Inventors:

Guolin Ma, Milpitas, CA (US);

Dave Pitou, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A single lens that has a small spot size across a large field of view and a small height. The lens has a first surface for performing color correction functions and a second surface for primarily performing light ray bending functions. The first surface has diffraction efficiency improvement mechanism for improving the resolution of the lens. The lens also has a vignetting reducing mechanism for reducing the amount of vignetting in the corners of the image.


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