Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/169785
Kind Code:
A1
Abstract:
Provided is an organic EL element which is low voltage and has practical use utility while exhibiting high light emission efficiency and drive stability. Thus, an organic electroluminescent element obtained by layering a positive electrode, an organic layer and a negative electrode on a substrate, wherein at least one layer among the organic layers contains (i) a carbazole compound represented by general formula (1), and (ii) a carborane compound having one or more divalent carborane compounds and an aromatic group substituted for a carborane compound. Herein, L1 is an aromatic hydrocarbon group, an aromatic heterocyclic group, or a linked aromatic group configured by linking 2-6 of said aromatic rings, p is an integer of 1-3, and m is an integer of 2-4.
Inventors:
UEDA TOKIKO (JP)
OGAWA JUNYA (JP)
TADA MASASHI (JP)
OGAWA JUNYA (JP)
TADA MASASHI (JP)
Application Number:
PCT/JP2017/010409
Publication Date:
October 05, 2017
Filing Date:
March 15, 2017
Export Citation:
Assignee:
NIPPON STEEL & SUMIKIN CHEM CO (JP)
International Classes:
H01L51/50; C07D209/88; C07D401/14; C07D403/14; C07D405/14; C07D409/14
Domestic Patent References:
| WO2015137202A1 | 2015-09-17 | |||
| WO2015146417A1 | 2015-10-01 | |||
| WO2012077520A1 | 2012-06-14 |
Foreign References:
| JP2016009824A | 2016-01-18 | |||
| JP2015103758A | 2015-06-04 |
Other References:
See also references of EP 3439060A4
Attorney, Agent or Firm:
SASAKI Kazuya et al. (JP)
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