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:
Feb. 15, 2022
Filed:
Oct. 09, 2018
Sekisui Chemical Co., Ltd., Osaka, JP;
Daisuke Nakajima, Takatsuki, JP;
Yuusuke Oota, Moriyama, JP;
Atsushi Nohara, Kusatsu, JP;
Masashi Yanai, Okayama, JP;
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Abstract
A light emission devicecomprises a light sourceirradiating excitation light; and a window glassemitting visible light through incident radiation of the excitation light, which is attached to a car door, wherein the window glassemits the light by irradiation with the excitation light depending on an opening/closing state of the car door. The present invention can provide a light emission device that enables the opening and closing of a vehicle door to be easily recognized by a person in the back, without attaching any separate part to an outer side of the vehicle door or the like.