Title:
COMPOSITION AND LIGHT-EMITTING ELEMENT IN WHICH SAME IS USED
Document Type and Number:
WIPO Patent Application WO/2018/199283
Kind Code:
A1
Abstract:
A composition containing a compound represented by formula (H-1) and a phosphorescent compound, wherein the amount of a compound that is contained as an impurity in said composition, and that has a molecular weight that is greater by 16 than that of the compound represented by formula (H-1), is 0.1% or less relative to the total amount of the composition, said amount being determined by a surface area percentage technique in which liquid chromatography is used.
Inventors:
USUI MOTOAKI (JP)
HAYASHI NAOKI (JP)
SHIRASAKI MIKA (JP)
HAYASHI NAOKI (JP)
SHIRASAKI MIKA (JP)
Application Number:
PCT/JP2018/017160
Publication Date:
November 01, 2018
Filing Date:
April 27, 2018
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C09K11/06; C07D409/14; H01L51/50; C07F15/00
Domestic Patent References:
| WO2016125560A1 | 2016-08-11 |
Foreign References:
| JP2011509247A | 2011-03-24 | |||
| JP2015193632A | 2015-11-05 | |||
| JP2011216903A | 2011-10-27 | |||
| JP2016169160A | 2016-09-23 | |||
| JP2017063213A | 2017-03-30 | |||
| JP2015199742A | 2015-11-12 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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