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:
Aug. 06, 2024
Filed:
Aug. 05, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Tetsuji Hayano, Yokohama, JP;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-do, KR;
Abstract
An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the polycyclic compound includes a boranamine derivative, a first ring and a second ring, each directly linked to a boron atom of the boranamine derivative, a third ring and a fourth ring, each directly linked to a nitrogen atom of the boranamine derivative, and at least one substituted or unsubstituted boryl group, linked to at least one ring among the first to fourth rings, thereby showing long-life characteristics and excellent color reproducibility.