The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 07, 2023

Filed:

Nov. 09, 2020
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Junbo Sim, Yongin-si, KR;

Dukki Kim, Yongin-si, KR;

Hyojin Ko, Yongin-si, KR;

Changhee Lee, Yongin-si, KR;

Jaekook Ha, Yongin-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09D 11/36 (2014.01); C09D 11/033 (2014.01); C09D 11/50 (2014.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
C09D 11/36 (2013.01); C09D 11/033 (2013.01); C09D 11/50 (2013.01); H01L 51/0005 (2013.01); H01L 51/0007 (2013.01); H01L 51/0012 (2013.01); H01L 51/56 (2013.01);
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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