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:
Jan. 10, 2025
Alps Alpine Co., Ltd., Tokyo, JP;
Chihiro Oshima, Fukushima, JP;
ALPS ALPINE CO., LTD., Tokyo, JP;
Abstract
A display device capable of displaying an aerial video image by utilizing retroreflection is provided. The display device includes a light source including an emission surface for emitting a video image; an optical member configured to separate incident light into reflected light and transmitted light, the optical member being arranged such that a principal surface of the optical member faces the emission surface of the light source in parallel; and a pair of retroreflective members arranged in a region including at least a space between the light source and the optical member. The pair of retroreflective members are arranged so as to be inclined outward with respect to a normal to the emission surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile