Title:
発光素子
Document Type and Number:
Japanese Patent JP7020420
Kind Code:
B2
Abstract:
To provide a light emitting device showing low driving voltage.A light emitting device having an anode, a cathode, a first organic layer and a second organic layer disposed between the anode and the cathode, wherein the first organic layer is a layer containing a light emitting material represented by the formula (T) and the second organic layer is a layer containing a crosslinked body of a polymer compound containing a crosslink constitutional unit:[wherein, nrepresents an integer of 0 to 5. nrepresents an integer of 1 to 10. Arrepresents a single-ring or condensed-ring monovalent hetero ring group containing a nitrogen atom having no double bond as a ring constituent atom and not containing a nitrogen atom having a double bond as a ring constituent atom. Lrepresents an alkylene group, an arylene group or the like. Arrepresents a single-ring or condensed-ring hetero ring group containing a nitrogen atom having a double bond as a ring constituent atom.].
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Inventors:
Toshiaki Sasada
Ryuji Matsumoto
Yoshida Taiyasu
Ryuji Matsumoto
Yoshida Taiyasu
Application Number:
JP2018542646A
Publication Date:
February 16, 2022
Filing Date:
September 27, 2017
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
H01L51/50
Domestic Patent References:
| JP2016119340A | ||||
| JP6695919B2 | ||||
| JP6296209B2 | ||||
| JP6296208B2 | ||||
| JP2017509165A | ||||
| JP2018507533A |
Foreign References:
| WO2016091351A1 | ||||
| WO2016091353A1 | ||||
| WO2011070963A1 | ||||
| WO2014126076A1 | ||||
| WO2017154882A1 | ||||
| WO2017154883A1 | ||||
| WO2017154884A1 | ||||
| WO2015135625A1 |
Attorney, Agent or Firm:
Toru Nakayama
Toru Sakamoto
Toru Sakamoto