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:
Apr. 19, 2010
Filed:
Apr. 04, 2006
Applicants:
Yuji Takahashi, Aichi, JP;
Koichi Kaga, Aichi, JP;
Koichi Ota, Nishikasugai-gun, JP;
Akihito Ota, Nishikasugai-gun, JP;
Tadashi Endo, Suginami-ku, JP;
Inventors:
Yuji Takahashi, Aichi, JP;
Koichi Kaga, Aichi, JP;
Koichi Ota, Nishikasugai-gun, JP;
Akihito Ota, Nishikasugai-gun, JP;
Tadashi Endo, Suginami-ku, JP;
Assignee:
Toyoda Gosei Co., Ltd., Nishikasugai-gun, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/08 (2005.12); H01J 1/62 (2005.12);
U.S. Cl.
CPC ...
Abstract
A light-emitting device with an emission wavelength range of from 360 nm to 550 nm and a fluorescent material made of Ca—Al—Si—O—N oxynitride activated with Euare used so that a part of light emitted from the light-emitting device is emitted while the wavelength of the part of light is converted by the fluorescent material.