- Patent Title: Functional layer forming composition, method for producing functional layer forming composition, method for producing organic EL element, organic EL device, and electronic apparatus
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Application No.: US15556583Application Date: 2016-02-25
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Publication No.: US10079342B2Publication Date: 2018-09-18
- Inventor: Shotaro Watanabe , Keisuke Morita , Takuya Sonoyama
- Applicant: SEIKO EPSON CORPORATION
- Applicant Address: JP Tokyo
- Assignee: SEIKO EPSON CORPORATION
- Current Assignee: SEIKO EPSON CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oliff PLC
- Priority: JP2015-062200 20150325
- International Application: PCT/JP2016/001031 WO 20160225
- International Announcement: WO2016/152028 WO 20160929
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H01L51/50 ; C09D11/36 ; H01L51/56 ; C09D11/52 ; H01L27/32 ; H01L51/52

Abstract:
A functional layer forming composition is capable of obtaining a stable film forming property when a liquid phase process is used. A method produces a functional layer forming composition. A method produces an organic EL element. An organic EL device and an electronic apparatus are also described. A functional layer forming composition is used when at least one layer in a functional layer containing an organic material is formed by a liquid phase process, and is characterized in that the composition includes a solid component for forming a functional layer, a first aromatic solvent having an electron withdrawing group, and a second aromatic solvent having an electron donating group, and the boiling point of the second aromatic solvent is higher than the boiling point of the first aromatic solvent.
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