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:
Jan. 13, 2026
Filed:
Dec. 18, 2024
Alps Alpine Co., Ltd., Tokyo, JP;
Chihiro Oshima, Fukushima, JP;
ALPS ALPINE CO., LTD., Tokyo, JP;
Abstract
A display device is capable of displaying an aerial video image by utilizing retroreflection. The display device includes a light source configured to emit a video image from an emission surface; a first retroreflective member arranged on one end side of the light source to be inclined outward at a first inclination angle with respect to a normal to the emission surface; a second retroreflective member arranged on another end side of the light source to be inclined outward at a second inclination angle with respect to the normal to the emission surface; a first optical member configured to separate incident light into reflected light and transmitted light, which is arranged to face the first retroreflective member; and a second optical member configured to separate incident light into reflected light and transmitted light, which is arranged to face the second retroreflective member.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile