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:
May. 25, 2010
Filed:
Sep. 05, 2008
Yohei Iwasaki, Kawasaki, JP;
Taiki Watanabe, Akishima, JP;
Satoru Shiobara, Kawasaki, JP;
Koichi Suzuki, Yokohama, JP;
Kazunori Ueno, Glen Waverly, AU;
Yohei Iwasaki, Kawasaki, JP;
Taiki Watanabe, Akishima, JP;
Satoru Shiobara, Kawasaki, JP;
Koichi Suzuki, Yokohama, JP;
Kazunori Ueno, Glen Waverly, AU;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An organic light-emitting device adapted for coating and having good emission efficiency and luminance. The organic light-emitting device employs an anode, a cathode, and a layer including an organic compound sandwiched between the anode and cathode. The layer containing the organic compound includes a bisfluorene compound represented by General Formula [1] below. wherein in Formula [1], A is a substituted or unsubstituted alkylene group, a substituted or unsubstituted cycloalkylene group, a substituted silylene group, a substituted germylene group, an oxygen atom, and a sulfur atom.