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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/065775
Kind Code:
A1
Abstract:
An organic electroluminescent element which comprises a negative electrode, a positive electrode, and an organic layer that is arranged between the negative electrode and the positive electrode, wherein: the organic layer contains a light emitting layer and a first layer; the first layer is arranged between the positive electrode and the light emitting layer; and the first layer contains a first hole transport material that is represented by formula (1) and a second hole transport material that is represented by formula (11).

Inventors:
HAKETA, Tasuku (Kamiizumi Sodegaura-sh, Chiba 93, JP)
NISHIMURA, Kazuki (Kamiizumi Sodegaura-sh, Chiba 93, JP)
Application Number:
JP2020/036550
Publication Date:
April 08, 2021
Filing Date:
September 28, 2020
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD. (Chiyoda-ku Tokyo, 21, JP)
International Classes:
H01L51/50
Attorney, Agent or Firm:
HEIWA INTERNATIONAL PATENT OFFICE (26 Kanda Suda-cho 1-chome, Chiyoda-k, Tokyo 41, JP)
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