公开(公告)号：US20180030297A1

公开(公告)日：2018-02-01

申请号：US15665237

申请日：2017-07-31

Applicant: JOLED Inc.

Inventor： Tomohiko Oda ,  Shinichiro Ishino ,  Koyo Sakamoto ,  Yasuhiro Yamauchi

IPC: C09D11/36 ,  H01L51/00 ,  C09D11/52

CPC classification number: C09D11/36 ,  C09D11/52 ,  H01L51/0005 ,  H01L51/0007 ,  H01L51/0039 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5096

Abstract: According to one embodiment, an ink for organic EL includes an organic EL contributing material and an organic solvent. A relative energy difference RED based on Hansen solubility parameters which attribute to the organic EL contributing material and the organic solvent, respectively, is less than 0.5.