Title:
LIGHT-EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2020/084919
Kind Code:
A1
Abstract:
The present invention provides a light-emitting element having excellent light emission efficiency. Provided is a light-emitting element having an anode, a cathode, a first layer provided between the anode and the cathode, and a second layer provided between the cathode and the first layer, wherein the first layer contains two or more metal complexes represented by formula (1) and a metal complex represented by formula (2), and at least one layer from among the first layer and the second layer contains a compound represented by formula (T-1). Further provided is the aforementioned light-emitting element, wherein the second layer contains the compound represented by formula (T-1).
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Inventors:
SASADA TOSHIAKI (JP)
INAKAZU SHINICHI (JP)
ISHII YUSUKE (JP)
INAKAZU SHINICHI (JP)
ISHII YUSUKE (JP)
Application Number:
PCT/JP2019/034947
Publication Date:
April 30, 2020
Filing Date:
September 05, 2019
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
H01L51/50; C09K11/06
Domestic Patent References:
| WO2013042446A1 | 2013-03-28 | |||
| WO2010001830A1 | 2010-01-07 |
Foreign References:
| JP2017098416A | 2017-06-01 | |||
| JP2016207954A | 2016-12-08 | |||
| JP2013045923A | 2013-03-04 | |||
| JP2018083940A | 2018-05-31 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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