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Title:
COLOR FILTER SUBSTRATE FOR TOP EMISSION TYPE ORGANIC EL DISPLAY DEVICE AND TOP EMISSION TYPE ORGANIC EL DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2014199322
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a top emission type organic EL display device having high light extraction efficiency and a color filter substrate used for the top emission type organic EL display device.SOLUTION: A color filter for a top emission type organic EL display device substrate includes: a transparent substrate; a pigmented layer formed on the transparent substrate; a rugged layer formed on the pigmented layer and having irregularity on a surface. A refractive index of the rugged layer is equivalent to a refractive index of the pigmented layer.

Inventors:
NAKAJIMA HIROYOSHI
SAKATA HIROKI
SONE YASUKO
Application Number:
JP2013074504A
Publication Date:
October 23, 2014
Filing Date:
March 29, 2013
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B5/20; G02B5/02; H01L51/50; H05B33/02; H05B33/12
Domestic Patent References:
JPH09304763A1997-11-28
JP2004212676A2004-07-29
JP2005070427A2005-03-17
JPH1174072A1999-03-16
JP2004146200A2004-05-20
JPH11329742A1999-11-30
JP2013251173A2013-12-12
JP2007207656A2007-08-16
JP2003264059A2003-09-19
JP2004127662A2004-04-22
JP2012252984A2012-12-20
JP2010161002A2010-07-22
JP2010198735A2010-09-09
JP2007188708A2007-07-26
Foreign References:
US20050174511A12005-08-11
WO2011121668A12011-10-06
Attorney, Agent or Firm:
Akihiko Yamashita
Kishimoto Expert