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. 05, 2013
Filed:
Apr. 13, 2012
Applicants:
Naoya Wada, Tokyo, JP;
Nobuhiro Nakamura, Tokyo, JP;
Inventors:
Naoya Wada, Tokyo, JP;
Nobuhiro Nakamura, Tokyo, JP;
Assignee:
Asahi Glass Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a glass for a scattering layer of an organic LED element, which contains, in terms of mol % on the basis of oxides, 0˜20% of PO, 15˜60% of BO, 15˜28% of BiOand 20˜50% of ZnO, in which a value obtained by dividing the content of POby the content of ZnO is less than 0.48, the sum of the contents of POand BOis 30˜60%, the content of POis 10% or less when the sum of the contents of POand BOexceeds 50%, and the glass does not substantially contain lead (PbO or PbO), LiO, NaO and KO, except for those contained as impurities.