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:
Dec. 23, 2025
Filed:
Sep. 27, 2022
Mitsubishi Electric Corporation, Tokyo, JP;
Masatoshi Nishimura, Tokyo, JP;
Satoru Okagaki, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
Regarding an illumination device reproducing a sky seen through a window, an object is to achieve further size reduction and structure simplification and reproduce a more natural scene without limiting provision places and the number of provided devices. An illumination device of the present disclosure includes: a light source; a diffuser having a scattering structure to scatter entering light, and having at least one light entrance surface, a first light exit surface from which first outgoing light including scattered light produced by the scattering structure goes out, and a second light exit surface from which second outgoing light different from first outgoing light goes out; a sunshine formation portion provided at least at one position around the diffuser, and having a light-transmitting member; and a turning portion to guide second outgoing light toward the sunshine formation portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile