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:
Aug. 04, 2020
Filed:
Sep. 18, 2017
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Kazuya Yoneyama, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A projection type display device includes: a first light source that emits visible light; a projection receiving member which is disposed on a windshield of a vehicle, to which an image based on the visible light is projected; a second light source that emits ultraviolet light which decreases a light transmittance of the projection receiving member by irradiation of the projection receiving member; a projection unit that projects the visible light emitted from the first light source and the ultraviolet light emitted from the second light source to the projection receiving member; an imaging unit that performs imaging of a scene at front of the windshield of the vehicle; and a detection unit that detects an object image having brightness greater than or equal to a first threshold as defined herein, and the projection unit projects the ultraviolet light as defined herein.