Title:
有機エレクトロルミネセンス素子
Document Type and Number:
Japanese Patent JP2006511939
Kind Code:
A
Abstract:
The present invention relates to the improvement of organic electroluminescent devices, which is characterized in that the emitting layer (EML) consists of a mixture of two substances, one having hole-conducting properties and the other having light-emitting properties, and at least one of these compounds containing a spiro-9,9'-bifluorene unit.
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Inventors:
Fest Baber, Horst
Gerhard, Anja
Stessel, Philip
Spreizer, Hubert
Gerhard, Anja
Stessel, Philip
Spreizer, Hubert
Application Number:
JP2004562714A
Publication Date:
April 06, 2006
Filing Date:
December 09, 2003
Export Citation:
Assignee:
Covion Organic Semiconductors GmbH
International Classes:
H01L51/50; C07C13/72; C07C25/22; C07C211/54; C07C211/61; C07D209/86; C07D285/14; C07D417/14; C09K11/06; H01L51/30; H01L51/52; H05B33/10; H01L51/00
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Ryo Hashimoto
Tetsuya Kazama
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Ryo Hashimoto
Tetsuya Kazama