Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2022/124367
Kind Code:
A1
Abstract:
The present invention provides: an organic EL element compound from which an organic EL element having low driving voltage, high efficiency, and long lifespan properties is obtained; and an organic EL element using said compound. This organic EL element compound has an indolocarbazole backbone represented by general formula (1). Here, ring A represents a benzene ring, ring B represents formula (1b), Tp represents a triphenylene group, L represents an aromatic hydrocarbon group having 6-18 carbon atoms, each X represents N or C-H, at least one X represents N, and n represents an integer of 1-3.

Inventors:
KITAHARA IKUMI (JP)
HAYASHI KENTARO (JP)
OGAWA JUNYA (JP)
UEDA TOKIKO (JP)
Application Number:
PCT/JP2021/045321
Publication Date:
June 16, 2022
Filing Date:
December 09, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON STEEL CHEMICAL & MAT CO LTD (JP)
International Classes:
H01L51/50; C07D487/04; C09K11/06
Domestic Patent References:
WO2017104946A12017-06-22
WO2019132399A12019-07-04
WO2010134350A12010-11-25
WO2011070963A12011-06-16
WO2008056746A12008-05-15
WO2008146839A12008-12-04
WO2013056776A12013-04-25
WO2012039561A12012-03-29
WO2009086028A22009-07-09
WO2012077520A12012-06-14
WO2014185595A12014-11-20
WO2018021663A12018-02-01
WO2010136109A12010-12-02
WO2011000455A12011-01-06
WO2015169412A12015-11-12
Foreign References:
US20140367654A12014-12-18
JP2015118958A2015-06-25
US20160351822A12016-12-01
JP2012140365A2012-07-26
KR20190069083A2019-06-19
US20150171357A12015-06-18
JP2013530515A2013-07-25
US20160049599A12016-02-18
US20170069848A12017-03-09
US20180282356A12018-10-04
US20190036043A12019-01-31
US20180013078A12018-01-11
KR20180094482A2018-08-23
Other References:
J. AM. CHEM. SOC., vol. 123, 2001, pages 4304
NATURE, vol. 492, 2012, pages 234
NATURE PHOTONICS, vol. 8, 2014, pages 326
Attorney, Agent or Firm:
SASAKI Kazuya et al. (JP)
Download PDF:
View/Download PDF      PDF Help



 
Previous Patent: ORGANIC ELECTROLUMINESCENT ELEMENT

Next Patent: SEARCH DEVICE, CONSOLIDATING DEVICE, SEARCH SYSTEM, SEARCH METHOD, AND NON-TRANSITORY COMPUTER-READA...