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:
Oct. 24, 2023
Filed:
Aug. 20, 2020
Samsung Display Co., Ltd., Yongin-si, KR;
Tetsuji Hayano, Yokohama, JP;
Samsung Display Co., Ltd., Yongin-si, 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 and including a polycyclic compound, wherein the polycyclic compound includes a boron atom, a first aromatic ring and a second aromatic ring, which are each directly connected with the boron atom, an oxygen atom or a sulfur atom, which is directly connected with the boron atom, a third aromatic ring, which is directly connected with the oxygen atom or the sulfur atom, a first linker connecting the first aromatic ring and the second aromatic ring, and a second linker connecting the second aromatic ring and the third aromatic ring, thereby showing long-life characteristics and excellent color reproducibility.