Title:
HOST MATERIAL, COMPOSITION, AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/157642
Kind Code:
A1
Abstract:
The present invention improves the light emission efficiency, driving voltage, and lifespan of an organic electroluminescent element using a delayed fluorescent material. A host material for a delayed fluorescent material and comprising a compound represented by a general formula. R1-R5 each represent a substituent not including a cyano group, n1-n5 each represent a number of 0-4, and Ar represents a monocyclic arylene group or a monocyclic heteroarylene group.
Inventors:
OZAWA HIROAKI (JP)
Application Number:
PCT/JP2021/004053
Publication Date:
August 12, 2021
Filing Date:
February 04, 2021
Export Citation:
Assignee:
KYULUX INC (JP)
International Classes:
H01L51/50; C07D207/448; C07D209/12; C07D209/86; C07D213/74; C07D215/26; C07D219/14; C07D223/28; C07D231/06; C07D233/96; C07D239/26; C07D241/38; C07D251/24; C07D263/42; C07D307/91; C07D309/34; C07D311/04; C07D311/74; C07D333/18; C07D333/76; C07D401/10; C07D403/10; C07D403/14; C07D405/04; C07D405/14; C07D409/10; C07D409/14; C07D413/04; C07D413/10; C07D413/14; C07D417/04; C07D417/10; C07D417/14; C07D471/04; C07D471/06; C07D471/14; C07D487/16; C07D487/22; C07D491/16; C07D495/04; C07D498/04; C07D519/00; C09K11/06
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See also references of EP 4102588A4
HANSCH, C., CHEM. REV., vol. 91, 1991, pages 165 - 195
K. MASUI ET AL., ORG. ELECTRON., vol. 14, 2013, pages 2721
See also references of EP 4102588A4
Attorney, Agent or Firm:
SIKS & CO. (JP)
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