Title:
Organic electroluminescence element
Document Type and Number:
Japanese Patent JP6271434
Kind Code:
B2
Abstract:
An organic electroluminescent device that includes at least two phosphorescent emitting layers, where phosphorescent emitter layer 1 comprises a hole-conducting matrix material and two different phosphorescent emitters, and phosphorescent emitter layer 2 comprises an electron-conducting matrix material and a phosphorescent emitter.
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Inventors:
Kaiser, Joachim
Boheme, Edgar
Boheme, Edgar
Application Number:
JP2014533778A
Publication Date:
January 31, 2018
Filing Date:
September 08, 2012
Export Citation:
Assignee:
Merck Patent Game Behr
International Classes:
H05B33/12; C07D213/04; C07D241/38; C07D403/04; C07D471/04; C07D487/14; C09K11/06; H01L51/50
Domestic Patent References:
| JP2011511458A | ||||
| JP2006310748A | ||||
| JP2011119251A | ||||
| JP2009245747A | ||||
| JP2004311420A |
Foreign References:
| WO2010102706A1 |
Other References:
Fuh-Shyang Juang et al.,Power Efficiency Improvemnt of White Phosphorescent Organic Light-Emitting Diode with Thin Double-Emitting Layers and Hole-Trapping Mechanism,Japanese Journal of Applied Physics,日本,The Japan Society of Applied Physics,2011年 4月20日,Vol.50,04DK04
Attorney, Agent or Firm:
Kurata Masatoshi
Yoshihiro Fukuhara
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Yoshihiro Fukuhara
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Morisezo Iseki
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
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