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
SAKATA HIROKI
SONE YASUKO
Application Number:
JP2013074504A
Publication Date:
October 23, 2014
Filing Date:
March 29, 2013
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B5/20; G02B5/02; H01L51/50; H05B33/02; H05B33/12
Domestic Patent References:
JPH09304763A | 1997-11-28 | |||
JP2004212676A | 2004-07-29 | |||
JP2005070427A | 2005-03-17 | |||
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Foreign References:
US20050174511A1 | 2005-08-11 | |||
WO2011121668A1 | 2011-10-06 |
Attorney, Agent or Firm:
Akihiko Yamashita
Kishimoto Expert
Kishimoto Expert
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