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.
Patent No.:
Date of Patent:
Dec. 02, 2025
Filed:
Jan. 06, 2022
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Heunggyu Kim, Yongin-si, KR;
Taeheon Kang, Yongin-si, KR;
Sehun Kim, Yongin-si, KR;
Hyeran Mun, Yongin-si, KR;
Jaekook Ha, Yongin-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2014.01); C09D 11/033 (2014.01); C09D 11/52 (2014.01); H10K 85/60 (2023.01); H10K 50/16 (2023.01); H10K 71/13 (2023.01);
U.S. Cl.
CPC ...
C09D 11/52 (2013.01); C09D 11/033 (2013.01); H10K 85/624 (2023.02); H10K 50/16 (2023.02); H10K 71/13 (2023.02);
Abstract
An ink composition for a light-emitting device includes a phosphine oxide-based charge transporting organic material, a first solvent represented by Formula 1, a second solvent represented by Formula 2, and a third solvent that is polar aprotic. A light-emitting device includes a layer prepared with the in composition. An electronic apparatus includes the light-emitting device:HOR(O)ROH [Formula 1]ROR. [Formula 2]