Title:
ORGANIC EL ELEMENT, AND IMAGE DISPLAY DEVICE AND ILLUMINATION DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2014/069565
Kind Code:
A1
Abstract:
This organic EL element is equipped with a transparent electrode, an organic layer containing a light-emitting layer, and a metallic electrode, provided in said order on a substrate. The organic EL element is characterized by: the metallic electrode having a plurality of radiation projections/recesses arranged periodically in at least one direction of the surface on the organic layer side thereof; the transparent electrode having a higher refractive index than the refractive index of the substrate, and being provided with lens structures which protrude towards the substrate at the interface with the substrate; and the lens structures being arranged at the same intervals as the radiation projections/recesses and in the direction in which the radiation projections/recesses are periodically arranged.
Inventors:
YAMAZAKI YUSUKE (JP)
SHIMODAIRA YOSHIKI (JP)
SHIMODAIRA YOSHIKI (JP)
Application Number:
PCT/JP2013/079535
Publication Date:
May 08, 2014
Filing Date:
October 31, 2013
Export Citation:
Assignee:
SHOWA DENKO KK (JP)
International Classes:
H05B33/02; G09F9/30; H01L27/32; H01L51/50; H05B33/26; H05B33/28
Domestic Patent References:
| WO2012060404A1 | 2012-05-10 | |||
| WO2012127746A1 | 2012-09-27 | |||
| WO2013187149A1 | 2013-12-19 |
Foreign References:
| JP2012186107A | 2012-09-27 | |||
| JP2009238507A | 2009-10-15 | |||
| JP2011216492A | 2011-10-27 | |||
| JP2006023683A | 2006-01-26 | |||
| JP2008066027A | 2008-03-21 | |||
| JP2005353500A | 2005-12-22 | |||
| JP2011521423A | 2011-07-21 | |||
| JP2013206883A | 2013-10-07 | |||
| JP2013140679A | 2013-07-18 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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