Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ORGANIC COMPOUND AND ORGANIC LIGHT EMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/256446
Kind Code:
A1
Abstract:
In order to provide an organic compound that can be suitably utilized as a light emission material for a display and an organic light emission device containing such an organic compound, an organic compound according to an embodiment of the present invention has a lone pair and a π electron orbit, and an energy difference ΔEST obtained by subtracting an energy level ET1 in a lowest triplet excited state T1 from an energy level ES1 in a lowest singlet excited state S1 is -0.20 eV ≤ ΔEST < 0.0090 eV.

Inventors:
MIYAJIMA DAIGO (JP)
AIZAWA NAOYA (JP)
PU YONG-JIN (JP)
NIHONYANAGI ATSUKO (JP)
IBUKA RYOTARO (JP)
INUDUKA HIROYUKI (JP)
Application Number:
PCT/JP2021/022598
Publication Date:
December 23, 2021
Filing Date:
June 15, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
RIKEN (JP)
International Classes:
C09K11/06; C07D487/16; H01L51/50
Domestic Patent References:
WO2013133359A12013-09-12
WO2015159971A12015-10-22
Foreign References:
CN106883240A2017-06-23
JP2009501194A2009-01-15
Other References:
EHRMAIER JOHANNES, RABE EMILY J., PRISTASH SARAH R., CORP KATHRYN L., SCHLENKER CODY W., SOBOLEWSKI ANDRZEJ L., DOMCKE WOLFGANG: "Singlet–Triplet Inversion in Heptazine and in Polymeric Carbon Nitrides", THE JOURNAL OF PHYSICAL CHEMISTRY A, WASHINGTON DC, US, vol. 123, no. 38, 26 September 2019 (2019-09-26), US , pages 8099 - 8108, XP055894685, ISSN: 1089-5639, DOI: 10.1021/acs.jpca.9b06215
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Download PDF: