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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.:

US 12727375 B1

PDFFull Text
Date of Patent:
Sep. 01, 2026

Filed:

Aug. 31, 2022

Polymer, a composition, and an electroluminescent device

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Masashi Tsuji, Hwaseong-si, KR;

Norihito Ishii, Kanagawa-ken, JP;

Takahiro Fujiyama, Yokohama, JP;

Naotoshi Suganuma, Kanagawa-ken, JP;

Yusaku Konishi, Yokohama, JP;

Fumiaki Kato, Yokohama, JP;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C08G 61/12 (2006.01); H10K 50/11 (2023.01); H10K 85/10 (2023.01); H10K 50/115 (2023.01); H10K 101/40 (2023.01);
U.S. Cl.
CPC ...
H10K 85/111 (2023.02); C08G 61/12 (2013.01); H10K 50/11 (2023.02); H10K 85/115 (2023.02); H10K 85/151 (2023.02); C08G 2261/143 (2013.01); C08G 2261/148 (2013.01); C08G 2261/3142 (2013.01); C08G 2261/3162 (2013.01); H10K 50/115 (2023.02); H10K 2101/40 (2023.02);
Abstract

As a means for providing an electroluminescent device capable of achieving high luminance, high efficiency, and at the same time excellent device life-span, a polymer having an overlap index of greater than or equal to about 0.00001 and less than or equal to about 1.8, and a polymer including a structural unit represented by Chemical Formula (1) are provided:

Find Patent Forward Citations

Tsuji, Masashi. (2026). Polymer, a composition, and an electroluminescent device (U.S. Patent No. 12727375). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12727375

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

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