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:
Oct. 21, 2025
Filed:
Mar. 19, 2021
Koito Manufacturing Co., Ltd., Tokyo, JP;
Yoichi Ogata, Shizuoka, JP;
KOITO MANUFACTURING CO., LTD., Tokyo, JP;
Abstract
An image display device includes: a first image projection unit configured to project a first image; a beam splitter configured to reflect a part of light emitted from the first image projection unit in a first direction and transmit remaining light in a second direction; a retroreflection unit configured to retroreflect, to the beam splitter, light traveling from the beam splitter in one of the first direction and the second direction; a reflection unit configured to reflect, to the beam splitter, light traveling from the beam splitter in the other of the first direction and the second direction; and an image forming optical unit configured to form an image of the light reflected by the retroreflection unit and the reflection unit in a space.