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. 15, 2026

Filed:

Mar. 21, 2024
Applicant:

Panasonic Automotive Systems Co., Ltd., Kanagawa, JP;

Inventors:

Ken'ichi Kasazumi, Osaka, JP;

Kosuke Imawaka, Kyoto, JP;

Keiji Sugiyama, Kyoto, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0103 (2013.01); G02B 6/4206 (2013.01);
Abstract

A light guide includes: a holographic optical element that receives image light emitted from an image light emitter; and a light guide member that includes the holographic optical element. In an intensity distribution of the image light diffracted by and emitted from the holographic optical element, intensity is smaller in an end portion of the intensity distribution than in an intermediate portion of the intensity distribution.


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