Title:
有機発光素子
Document Type and Number:
Japanese Patent JP5300300
Kind Code:
B2
Abstract:
The present invention relates to an organic light emitting device, and more particularly, to an organic light emitting device which obtains stable image qualities through prevention of any significant decrease in brightness. The organic light emitting device according to the invention includes an anode (2), a cathode (3) and an organic layer (4) interposed there between. The organic layer comprises
an organic emitting layer (42);
an electron transport layer (44) comprising one or more metallic compounds selected form the group of elements consisting of Li, Na, K, Rb, Be, Mg, Ca, Sr, Ba, Y, La, Sm, Gd, Yb, and Cs; and
a buffer layer (43) interposed between the organic emitting layer (42) and the electron transport layer (44).
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Inventors:
Lee Eun
Ken Niko
Yasumitsu Naru
Lee Kan Hee
Ken Niko
Yasumitsu Naru
Lee Kan Hee
Application Number:
JP2008087700A
Publication Date:
September 25, 2013
Filing Date:
March 28, 2008
Export Citation:
Assignee:
Samsung Display Co.,Ltd.
International Classes:
H01L51/50; C09K11/06
Domestic Patent References:
| JP2005038819A | ||||
| JP2007110102A |
Foreign References:
| US20040032206 | ||||
| WO2006103909A1 |
Attorney, Agent or Firm:
Yoshifumi Saeki
Takashi Watanabe
Takashi Watanabe