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Patent Searching and Data


Title:
ORGANIC EL DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/186805
Kind Code:
A1
Abstract:
The present invention is equipped with: a substrate (10) that has a surface upon which a drive circuit containing a TFT (20) is formed; a planarization film (30) that makes the surface of the substrate (10) planar by covering the drive circuit; and an organic light-emitting element (40) that is provided with a first electrode (41) formed upon the surface of the planarization film and connected to the drive circuit, an organic light-emitting layer (43) formed upon the first electrode, and a second electrode (44) formed upon the organic light-emitting layer. In addition, the planarization film (30) includes a first inorganic insulating film (31) and an organic insulating film (32) that are layered upon the drive circuit, and the surface of the organic insulating film (32) is formed with an arithmetic mean roughness Ra of no more than 50 nm.

Inventors:
KISHIMOTO, Katsuhiko (1 Takumicho, Sakai-ku, Sakai-sh, Osaka 22, 〒5908522, JP)
Application Number:
JP2018/012906
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:
H01L29/786
Foreign References:
JP2016153888A2016-08-25
JP2005159328A2005-06-16
JP2005077822A2005-03-24
JP2013008437A2013-01-10
JP2018025777A2018-02-15
Attorney, Agent or Firm:
ASAHINA & CO. (NS Building, 2-22 Tanimachi 2-chome, Chuo-ku, Osaka-sh, Osaka 12, 〒5400012, JP)
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