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:
Oct. 21, 2025

Filed:

May. 16, 2022
Applicant:

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

Inventors:

Won-Jun Park, Seoul, KR;

Sehun Kim, Yongin-si, KR;

Jaekook Ha, Seoul, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C09D 5/22 (2006.01); C09D 11/037 (2014.01); C09D 11/30 (2014.01); H10K 71/15 (2023.01); H10K 50/11 (2023.01); H10K 71/13 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
C09D 11/037 (2013.01); C09D 5/22 (2013.01); C09D 11/30 (2013.01); H10K 71/15 (2023.02); H10K 50/11 (2023.02); H10K 71/135 (2023.02); H10K 2101/10 (2023.02);
Abstract

An ink composition including a mixed solvent including a first solvent and a second solvent, and a light emitting material, wherein the first solvent and the second solvent each have a vapor pressure of about 1×10or greater and a boiling point of about 270° C. or less. The ink composition according to an embodiment may be applied to forming an emission layer of a light emitting diode to provide a light emitting diode having increased efficiency.


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