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:
Aug. 04, 2026

Filed:

Jul. 05, 2022
Applicant:

Hansol Chemical Co., Ltd., Seoul, KR;

Inventors:

Do Hyeong Kim, Bongdong, KR;

So Mang Kim, Jeonju, KR;

Gyu Cheol Yoon, Jeonju, KR;

Byung Ju Park, Gunsan, KR;

Kyung Nam Kim, Daejeon, KR;

Sung Min Ha, Jeonju, KR;

Chun Rae Nam, Jeonju, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/54 (2006.01); C09D 11/322 (2014.01); C09D 11/36 (2014.01); H10K 50/16 (2023.01); H10K 71/13 (2023.01);
U.S. Cl.
CPC ...
C09K 11/54 (2013.01); C09D 11/322 (2013.01); C09D 11/36 (2013.01); H10K 50/16 (2023.02); H10K 71/135 (2023.02);
Abstract

An electron transport layer composition for inkjet printing is described. The composition includes metal oxide nanoparticles and at least three solvents being different in terms of at least one of viscosity, polarity, or vapor pressure. A method for preparing the composition and a light-emitting device having an electron transport layer formed from the composition are also described.


Find Patent Forward Citations

Kim, Do. (2026). Electron transport layer composition for inkjet printing and method for preparing same (U.S. Patent No. 12698440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12698440

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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