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. 11, 2017
Filed:
Jan. 27, 2011
Applicants:
Kohei Asada, Tsukuba, JP;
Yoshikazu Umemoto, Kawasaki, JP;
Shigeru Sasaki, Tsukuba, JP;
Inventors:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); C08G 61/12 (2006.01); H01L 51/00 (2006.01); H05B 33/14 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
C09K 11/06 (2013.01); C08G 61/12 (2013.01); H01L 51/0039 (2013.01); H01L 51/0043 (2013.01); H05B 33/14 (2013.01); C08G 2261/3142 (2013.01); C08G 2261/3162 (2013.01); C08G 2261/5222 (2013.01); C08G 2261/95 (2013.01); C09K 2211/1416 (2013.01); C09K 2211/1433 (2013.01); H01L 51/5012 (2013.01);
Abstract
A luminescent composition comprising a luminescent organic compound and a conjugated polymer compound having a luminescence maximum further toward the short wavelength end than the luminescence maximum of the luminescent organic compound at 350 nm to 500 nm, and satisfying the following formula (1);()×≧0.04  (1)in the formula,