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. 07, 2026
Filed:
Sep. 27, 2023
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Keiji Sugiyama, Kyoto, JP;
Ken'ichi Kasazumi, Osaka, JP;
Yukihiro Chokyu, Osaka, JP;
Satoshi Kuzuhara, Osaka, JP;
Kazuhiro Minami, Osaka, JP;
Assignee:
PANASONIC AUTOMOTIVE SYSTEMS CO., LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/32 (2006.01); B60K 35/10 (2024.01); B60K 35/23 (2024.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0041 (2013.01); B60K 35/10 (2024.01); B60K 35/23 (2024.01); G02B 5/32 (2013.01); G02B 6/0031 (2013.01); G02B 6/0076 (2013.01);
Abstract
A light guide plate includes a hologram element that is a first hologram element including two or more diffraction cells, and a hologram element that is a second hologram element including a single diffraction cell.