Title:
LIGHT-EMITTING LAYER MATERIAL, ORGANIC ELECTROLUMINESCENT LIGHT-EMITTING ELEMENT, ORGANIC EL DISPLAY DEVICE, ORGANIC EL LIGHTING, COMPOSITION, AND METHOD FOR PRODUCING ORGANIC ELECTROLUMINESCENT LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/048692
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing an organic electroluminescent light-emitting element which has a long operating lifespan. The present invention is a light-emitting layer material for an organic electroluminescent light-emitting element which contains a light-emitting compound and an organic metal compound, wherein the molecular weight of the organic metal compound is 1,200 or higher, the light-emitting compound is a specific compound, and the following relational expression (E-1) is satisfied. Relational expression (E-1) PkA
Inventors:
NAGAYAMA KAZUHIRO (JP)
LI YANJUN (JP)
OKABE KAZUKI (JP)
UEDA NARA MAYUKO (JP)
IIDA KOICHIRO (JP)
LI YANJUN (JP)
OKABE KAZUKI (JP)
UEDA NARA MAYUKO (JP)
IIDA KOICHIRO (JP)
Application Number:
PCT/JP2023/031650
Publication Date:
March 07, 2024
Filing Date:
August 30, 2023
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
International Classes:
H10K85/60; C07D251/24; C07D403/10; C07D487/22; C09K11/06; G09F9/30; H10K50/12; H10K59/10; H10K71/12; H10K85/10; H10K85/30; H10K101/30
Domestic Patent References:
| WO2022138822A1 | 2022-06-30 | |||
| WO2022071542A1 | 2022-04-07 |
Foreign References:
| CN113540371A | 2021-10-22 | |||
| CN113717172A | 2021-11-30 |
Other References:
WANG XIANG, DUAN LIAN, ZHANG DONGDONG: "Indolocarbazole‐Based Multiple‐Resonance Molecules: an Emerging Class of Full‐Color, Narrowband Emitters for Organic Light‐Emitting Diodes", CHEMISTRY - A EUROPEAN JOURNAL, JOHN WILEY & SONS, INC, DE, vol. 29, no. 37, 3 July 2023 (2023-07-03), DE, pages e202300701, XP093143506, ISSN: 0947-6539, DOI: 10.1002/chem.202300701
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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