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:
Apr. 18, 2023

Filed:

Aug. 18, 2021
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventor:

Katsuyuki Uehara, Azumino, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 27/09 (2006.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G02B 27/0961 (2013.01);
Abstract

An optical element includes a first multi-lens surface and a second multi-lens surface. The first multi-lens surface has m areas arranged in an array, the m areas including a plurality of first cells. The second multi-lens surface has m second cells arranged in an array, the m second cells corresponding to the m areas. Light enters the first multi-lens surface. The light is emitted from the second multi-lens surface. The m areas of the first multi-lens surface each have n first cells. A focal plane of the m second cells is located at an emission side of the n first cells. The number m is a natural number no smaller than 2, and the number n is a natural number no smaller than 2.


Find Patent Forward Citations

Uehara, Katsuyuki. (2023). Optical element, light source device, image display device, and projector (U.S. Patent No. 11630382). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11630382

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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