Invention Grant
- Patent Title: Ink composition, light-emitting device including the same, and method of preparing the light-emitting device
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Application No.: US17092918Application Date: 2020-11-09
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Publication No.: US11597848B2Publication Date: 2023-03-07
- Inventor: Junbo Sim , Dukki Kim , Hyojin Ko , Changhee Lee , Jaekook Ha
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Kile Park Reed & Houtteman PLLC
- Priority: KR10-2020-0023456 20200226
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C09D11/36 ; C09D11/033 ; C09D11/50 ; H01L51/56

Abstract:
An inkjet composition for an inkjet printer, a light-emitting device including the same, and a method of manufacturing the light-emitting device are provided. The ink composition may include light-emitting diodes and a solvent. The solvent may have a first viscosity at a first temperature section that may be greater than a second viscosity at a second temperature section. The solvent may include an ester compound of citric acid, glycol, alkanediol, alkanolamine, alkenic acid, alkenol, a pyrrolidone group-containing compound, glycerol, a compound represented by Formula 1, a compound represented by Formula 2, or any combination thereof: Substituents in Formula 1 and Formula 2 may be understood as described in connection with the detailed description. Each of the light-emitting diodes may have a size in a range of about 0.1 μm to about 10 μm.
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