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:
Feb. 07, 2023
Filed:
Aug. 01, 2017
Maxell, Ltd., Kyoto, JP;
Toshinori Sugiyama, Kyoto, JP;
Koji Hirata, Kyoto, JP;
Yasuhiko Kunii, Kyoto, JP;
Masahiko Yatsu, Kyoto, JP;
Kazuomi Kaneko, Kyoto, JP;
MAXELL, LTD., Kyoto, JP;
Abstract
A HUD device and an image display apparatus for solving a problem that a HUD image cannot be seen in a HUD device that displays a virtual image when wearing the sunglasses having polarization function are provided. A head up display device for a vehicle is provided with an image display apparatus configured to project an image onto a windshield or a combiner by polarized light and means of converting polarization of polarized light of the image projected from the image display apparatus, the means being provided on a part of a light path from the image display apparatus to the windshield or the combiner.