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:
Dec. 17, 2013
Filed:
Sep. 08, 2006
Seiichiro Murase, Otsu, JP;
Kazumasa Nagao, Otsu, JP;
Kazunori Sugimoto, Otsu, JP;
Takeshi Ishigaki, Kamakura, JP;
Takafumi Ogawa, Otsu, JP;
Seiichiro Murase, Otsu, JP;
Kazumasa Nagao, Otsu, JP;
Kazunori Sugimoto, Otsu, JP;
Takeshi Ishigaki, Kamakura, JP;
Takafumi Ogawa, Otsu, JP;
TORAY Industries, Inc., Tokyo, JP;
Abstract
A light emitting device material containing a pyrene compound of formula (1) and a light emitting device. In formula (1), Rto Rare the same or different and are selected from hydrogen, alkyl, cycloalkyl, heterocyclic, alkenyl, cycloalkenyl, alkynyl, alkoxy, alkylthio, arylether, arylthioether, aryl, heteroaryl, halogen, carbonyl, carboxyl, oxycarbonyl, carbamoyl, amino, phosphine oxide and silyl; adjacent substituents among Rto Rmay be combined with each other to form a ring; n represents an integer of 1 to 3; X is —O—, —S— or —NR—; Ris selected from hydrogen, alkyl, cycloalkyl, heterocyclic, alkenyl, cycloalkenyl, alkynyl, aryl, heteroaryl or amino; Rmay be combined with Ror Rto form a ring; Y is a single bond, arylene or heteroarylene; and n substituents among Rto Rand any one of Rto Rare used for linkage with Y