Title:
ORGANIC EL DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/186825
Kind Code:
A1
Abstract:
An organic EL display device (100) is provided with an element substrate (20) that has a substrate (1) and a plurality of organic EL elements (3) supported on the substrate, and a thin film encapsulation structure (10) that covers the plurality of organic EL elements. The thin film encapsulation structure is provided with a first inorganic barrier layer (12), an organic barrier layer (14) formed upon the first inorganic barrier layer, and a second inorganic barrier layer (16) formed upon the organic barrier layer. A first surface 14S of the organic barrier layer in contact with the second inorganic barrier layer has a plurality of fine first protrusions, and the maximum height Rz1 of the first surface roughness profile is 20 nm to less than 100 nm.
Inventors:
KISHIMOTO KATSUHIKO
Application Number:
PCT/JP2018/012954
Publication Date:
October 03, 2019
Filing Date:
March 28, 2018
Export Citation:
Assignee:
SAKAI DISPLAY PRODUCTS CORP (JP)
International Classes:
H05B33/04; G09F9/30; H01L27/32; H01L51/50; H05B33/10
Domestic Patent References:
WO2018003129A1 | 2018-01-04 |
Foreign References:
JP2004079291A | 2004-03-11 | |||
JP2017228480A | 2017-12-28 | |||
JP2005096108A | 2005-04-14 | |||
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JP6321310B1 | 2018-05-09 | |||
JP2016162485A | 2016-09-05 | |||
JP2005353426A | 2005-12-22 | |||
JP2011031610A | 2011-02-17 | |||
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JP2000049227A | 2000-02-18 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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