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:
Nov. 17, 2015
Filed:
Feb. 22, 2011
Applicant:
Yoshio Umayahara, Otsu, JP;
Inventor:
Yoshio Umayahara, Otsu, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Otsu-shi, Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 9/00 (2015.01); G02B 5/02 (2006.01); G02C 7/10 (2006.01); G02F 1/361 (2006.01); G03B 11/00 (2006.01); C03C 14/00 (2006.01); G02B 5/08 (2006.01); F21V 7/22 (2006.01);
U.S. Cl.
CPC ...
G02B 5/0284 (2013.01); C03C 14/004 (2013.01); G02B 5/0242 (2013.01); C03C 2214/04 (2013.01); F21V 7/22 (2013.01);
Abstract
An object of the present invention is to provide a light reflective substrate capable of achieving high optical reflectance even though fine particles are not used as a material, and a light emitting device using the same. The light reflective substrate according to the present invention comprises: a glass matrix; and RNb2O6 crystal and/or R4Nb2O9 crystal (R is at least one of Mg, Ca, Sr and Ba) in the glass matrix.