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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC APPLIANCE
Document Type and Number:
WIPO Patent Application WO/2021/065772
Kind Code:
A1
Abstract:
An organic electroluminescent element which comprises a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises a luminescent layer and a first layer, which has been disposed between the anode and the luminescent layer, the luminescent layer including compound A, which has a Stokes shift of 20 nm or less and a luminescence-peak wavelength of 440-465 nm, and the first layer comprising a first hole transport material and a second hole transport material.

Inventors:
HAKETA, Tasuku (Kamiizumi Sodegaura-sh, Chiba 93, JP)
NISHIMURA, Kazuki (Kamiizumi Sodegaura-sh, Chiba 93, JP)
Application Number:
JP2020/036547
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:
C09K11/06; 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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