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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/172292
Kind Code:
A1
Abstract:
An organic electroluminescent element (1) having a light emitting layer (5) between a positive electrode and a negative electrode, wherein a first layer (71) is included between the negative electrode and the light emitting layer (5), the thickness of the first layer (71) is 50 nm or more, the first layer (71) contains a compound represented by general formula (1), and, in general formula (100), A represents a substituted or unsubstituted fused aryl group having 13-50 ring-forming carbon atoms or represents a substituted or unsubstituted fused heterocycle group having 14-50 ring-forming atoms, but the first layer (71) does not contain a metal doping material.

Inventors:
KAMBE EMIKO (JP)
SAITO MASATOSHI (JP)
NAKAMURA MASATO (JP)
Application Number:
PCT/JP2021/006688
Publication Date:
September 02, 2021
Filing Date:
February 22, 2021
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C07D403/14; C07D251/24; C07D495/04; H01L51/50
Domestic Patent References:
WO2019088231A12019-05-09
WO2019163824A12019-08-29
WO2019163825A12019-08-29
Foreign References:
JP2018061014A2018-04-12
Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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