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:
Nov. 28, 2023
Filed:
Nov. 30, 2021
Maxell, Ltd., Kyoto, JP;
Hitachi Industry & Control Solutions, Ltd., Ibaraki, JP;
Koji Hirata, Kyoto, JP;
Masahiko Yatsu, Kyoto, JP;
Toshinori Sugiyama, Kyoto, JP;
Kazuomi Kaneko, Ibaraki, JP;
Shigeki Hoshino, Kyoto, JP;
MAXELL, LTD., Kyoto, JP;
Hitachi Industry & Control Solutions, Ltd., Ibaraki, JP;
Abstract
A small information display apparatus capable of displaying video information on a windshield as a virtual image is provided. An information display apparatus configured to display video information of a virtual image on a windshield of a conveyance includes: a liquid crystal panel arranged as a video display apparatus configured to form the video information; and a virtual image optical system provided with a windshield for displaying the virtual image at a front of the conveyance by reflecting video of the liquid crystal panel by means of the windshield. The virtual image optical system is configured by arranging a concave mirror and an optical element between the concave mirror and the video display apparatus.