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:
Jul. 17, 2018
Filed:
Nov. 05, 2014
Toyoda Gosei Co., Ltd., Kiyosu-shi, Aichi-ken, JP;
Origin Electric Company, Limited, Saitama-shi, Saitama, JP;
TOYODA GOSEI CO., LTD., Aichi-pref., JP;
ORIGIN ELECTRIC COMPANY, LIMITED, Saitama, JP;
Abstract
Provided is an illumination device containing a light source configured to emit an excitation light, a phosphor layer containing a phosphor and configured to allow the excitation light of the light source to be transmitted and emitted therethrough, and a coating film formed by applying a paint containing a pigment and mica and configured to allow the emitted light of the phosphor layer to be transmitted and emitted therethrough, in which the coating film has a light transmission spectrum having a peak wavelength located between a peak wavelength of an emission spectrum of the light source and a peak wavelength of an emission spectrum of the phosphor layer.