Title:
有機発光素子
Document Type and Number:
Japanese Patent JP6881915
Kind Code:
B2
Abstract:
An organic light-emitting device having low-driving voltage, improved efficiency, and long lifespan includes: a first electrode (110); a second electrode (190) facing the first electrode; a first layer (130) between the first electrode and the second electrode, the first layer including a first compound; a second layer (150) between the first layer and the second electrode, the second layer including a second compound; and a third layer (170) between the second layer and the second electrode, the third layer including a third compound; wherein the first compound does not include a nitrogen-containing heterocyclic group comprising *=N-*' as a ring forming moiety, and wherein the first compound and the second compound each independently include at least one group selected from groups represented by Formulae A to C:
Inventors:
Golden squirrel
Goodness of money
Shintou rain
Lee Court Wataru
Naoyuki Ito
Hayashi Chinho
Goodness of money
Shintou rain
Lee Court Wataru
Naoyuki Ito
Hayashi Chinho
Application Number:
JP2016161323A
Publication Date:
June 02, 2021
Filing Date:
August 19, 2016
Export Citation:
Assignee:
Samsung Display Co.,Ltd.
International Classes:
H01L51/50; C07D307/90; C07D405/14; C07D491/048; C09K11/06
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Foreign References:
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Attorney, Agent or Firm:
Patent business corporation port