Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/191299
Kind Code:
A1
Abstract:
An organic electroluminescent element (1) having an anode (3), a cathode (4), and a light emitting layer disposed between the anode (3) and the cathode (4), in which the light emitting layer includes a first light emitting layer (51) and a second light emitting layer (52), and the first light emitting layer (51) contains a first compound represented by general formula (1) as a first host material. (In formula (1), ring structure A and ring structure B each independently are a ring structure, etc. selected from the group consisting of substituted or unsubstituted ring-forming C6-50 aryl rings and substituted or unsubstituted ring-forming C5-50 heterocycles, X1 is an oxygen atom, a sulfur atom, NR71, or C(R72)(R73), etc., Y1 is a sulfur atom, NR71A or C(R72A)(R73A), etc.)
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Inventors:
ITOI HIROAKI (JP)
TASAKI SATOMI (JP)
NISHIMURA KAZUKI (JP)
TAKAHASHI RYOTA (JP)
YAMAKI TARO (JP)
KUDO YU (JP)
TASAKI SATOMI (JP)
NISHIMURA KAZUKI (JP)
TAKAHASHI RYOTA (JP)
YAMAKI TARO (JP)
KUDO YU (JP)
Application Number:
PCT/JP2022/010742
Publication Date:
September 15, 2022
Filing Date:
March 10, 2022
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C09K11/06; H01L51/50; H05B33/12
Domestic Patent References:
| WO2017104994A1 | 2017-06-22 | |||
| WO2011081403A2 | 2011-07-07 |
Foreign References:
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Attorney, Agent or Firm:
KINOSHITA & ASSOCIATES (JP)
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