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. 04, 2025

Filed:

May. 13, 2021
Applicant:

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

Inventors:

Hyo Jin Ko, Seoul, KR;

Duk Ki Kim, Suwon-si, KR;

Jun Bo Sim, Suwon-si, KR;

Na Mi Hong, Cheonan-si, KR;

Yong Hwi Kim, Asan-si, KR;

Chang Hee Lee, Seoul, KR;

Jae Kook Ha, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/26 (2010.01); C09D 11/38 (2014.01); C09D 11/50 (2014.01); C09K 11/02 (2006.01); G02F 1/167 (2019.01); H01L 33/42 (2010.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
H01L 33/26 (2013.01); C09D 11/38 (2013.01); C09D 11/50 (2013.01); C09K 11/025 (2013.01); G02F 1/167 (2013.01); H01L 33/42 (2013.01); H01L 33/502 (2013.01); H01L 2933/0016 (2013.01); H01L 2933/0041 (2013.01);
Abstract

A light emitting element ink comprises a light emitting element solvent, a light emitting element dispersed in the light emitting element solvent, the light emitting element including a plurality of semiconductor layers, and an insulating film surrounding outer surfaces of the plurality of semiconductor layers, and a thickener dispersed in the light emitting element solvent, wherein the thickener includes a compound represented by Chemical Structural Formula 1 as a polyol-based compound capable of forming a hydrogen bond with the light emitting element solvent or another thickener, and the thickener has a boiling point in a range of about 200° C. to about 450° C.


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