Title:
METHOD FOR PRODUCING ORGANIC EL DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/240704
Kind Code:
A1
Abstract:
A step for forming a thin film sealing structure (10) in a method for producing an organic EL device according to the present invention comprises: a step A for forming a first inorganic barrier layer (12); a step B wherein particles having an area equivalent circle diameter of from 0.2 μm to 5 μm (inclusive) below and above the first inorganic barrier layer are detected after the step A, and location information, size information and shape information of each detected particle are acquired, while additionally obtaining the aspect ratio of each detected particle if the detected particle has an area equivalent circle diameter of 1 μm or more; a step C wherein microdroplets of a coating liquid containing a photocurable resin are applied to each particle by an inkjet method on the basis of the location information; and a step D wherein the photocurable resin is irradiated with ultraviolet light after the step C so as to be cured, thereby forming an organic barrier layer (14). The step C comprises a step wherein microdroplets (14Ds), each of which has a volume of 0.1 fL or more but less than 10 fL, are applied to particles (Pi) along the major axes (LA) of the particles twice or more times, said particles (Pi) having an internal aspect ratio of 3 or more.
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Inventors:
KISHIMOTO KATSUHIKO
Application Number:
PCT/JP2019/021129
Publication Date:
December 03, 2020
Filing Date:
May 28, 2019
Export Citation:
Assignee:
SAKAI DISPLAY PRODUCTS CORP (JP)
International Classes:
H05B33/10; G09F9/00; G09F9/30; H01L27/32; H01L51/50; H05B33/04
Foreign References:
| JPS6345905B2 | 1988-09-12 | |||
| JPH0141547B2 | 1989-09-06 | |||
| US20140049923A1 | 2014-02-20 | |||
| JP6373533B1 | 2018-08-15 | |||
| JP2013247021A | 2013-12-09 | |||
| US20180122878A1 | 2018-05-03 | |||
| JPH11242001A | 1999-09-07 | |||
| JPH11214462A | 1999-08-06 | |||
| JPH0233018B2 | 1990-07-25 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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