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, 2009
Applicant:
Masaru Nagai, Nagano, JP;
Inventor:
Masaru Nagai, Nagano, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided are a color conversion film that maintains sufficient converted light intensity over a long period of time without increasing its thickness and a multicolor light-emitting organic EL device that includes the color conversion film. The color conversion film contains a conjugated high molecular weight copolymer having a structure of formula (1) that has alternating fluorene group-containing repeating units and arylenevinylene repeating units, and has phenylene groups inserted as spacers on both ends of the fluorene groups