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:
Mar. 05, 2013
Filed:
Jun. 10, 2010
Applicants:
Kazuma Oikawa, Osaka, JP;
Yoshie Iwane, Osaka, JP;
Inventors:
Kazuma Oikawa, Osaka, JP;
Yoshie Iwane, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an ink composition for an organic EL thin film, that is, an ink composition for the formation of an organic EL thin film including an organic EL material, a liquid crystalline compound with a bandgap of 3.5 eV or more, and a solvent having an organic compound. Furthermore, the liquid crystalline compound preferably contains no functional group of —CN, —OH, or —F. Moreover, the liquid crystalline compound preferably has a molecular dipole moment of 4.0 debyes or less.