Title:
ORGANIC ELECTROLUMINESCENCE ELEMENT AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2016/076375
Kind Code:
A1
Abstract:
An organic EL element having, in the stated order, an anode, a charge-transporting layer, a light-emitting layer, and a cathode, the charge-transporting layer being formed using one or more compounds containing a charge-transporting compound and a solvent, wherein the relationships in equation (I) and equation (II) shown below are satisfied when the charge-transporting layer contains a charge-transporting compound (A) and a charge-transporting compound (B) and has, in the stated order from the anode side, a first region, a second region, and a third region, the ratio of the content of the charge-transporting compound (B) in relation to the content of the charge-transporting compound (A) in the first and second regions being defined as, respectively, B1/A1 and B2/A2, and the ratio of the charge-transporting compound (A) in relation to the content of the charge-transporting compound (B) in the second and third regions being defined as, respectively, A2/B2 and A3/B3.
Inventors:
ISHITSUKA KENICHI (JP)
FUNYU SHIGEAKI (JP)
ASANO NAOKI (JP)
RYUZAKI DAISUKE (JP)
TAKAIRA HIROSHI (JP)
YOSHINARI YUKI (JP)
FUNYU SHIGEAKI (JP)
ASANO NAOKI (JP)
RYUZAKI DAISUKE (JP)
TAKAIRA HIROSHI (JP)
YOSHINARI YUKI (JP)
Application Number:
PCT/JP2015/081794
Publication Date:
May 19, 2016
Filing Date:
November 11, 2015
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD (JP)
International Classes:
H01L51/50; G09F9/30; H01L27/32; H05B33/02; H05B33/10
Foreign References:
| JP2007242910A | 2007-09-20 | |||
| JP2014167976A | 2014-09-11 | |||
| JP2010239127A | 2010-10-21 | |||
| JP2012226891A | 2012-11-15 | |||
| US20130062599A1 | 2013-03-14 | |||
| JP2004241188A | 2004-08-26 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
Download PDF: