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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:
JP2018/012954
Publication Date:
October 03, 2019
Filing Date:
March 28, 2018
Export Citation:
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Assignee:
SAKAI DISPLAY PRODUCTS CORPORATION (1 Takumicho, Sakai-ku Sakai-sh, Osaka 22, 〒5908522, JP)
International Classes:
H05B33/04; G09F9/30; H01L27/32; H01L51/50; H05B33/10
Domestic Patent References:
WO2018003129A12018-01-04
Foreign References:
JP2004079291A2004-03-11
JP2017228480A2017-12-28
JP2005096108A2005-04-14
JP6301042B12018-03-28
JP6301034B12018-03-28
JP6321310B12018-05-09
JP2016162485A2016-09-05
JP2005353426A2005-12-22
JP2011031610A2011-02-17
JP2015176717A2015-10-05
JP2005324406A2005-11-24
JP2015050022A2015-03-16
JP2017151313A2017-08-31
JP2015109192A2015-06-11
JP2004039468A2004-02-05
JP2006278004A2006-10-12
JP2000049227A2000-02-18
Attorney, Agent or Firm:
OKUDA Seiji (OKUDA & ASSOCIATES, 10th Floor Osaka Securities Exchange Bldg., 8-16, Kitahama 1-chome, Chuo-ku, Osaka-sh, Osaka 41, 〒5410041, JP)
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