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. 19, 2025
Filed:
Nov. 23, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Seulong Kim, Yongin-si, KR;
Soungwook Kim, Yongin-si, KR;
Sungsoo Bae, Yongin-si, KR;
Hyein Jeong, Yongin-si, KR;
Hyewon Choi, Yongin-si, KR;
Jaeweon Hur, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a capping layer disposed on the second electrode, wherein the interlayer further includes an electron transport region between the emission layer and the second electrode, the capping layer includes at least one first material represented by Formula 1 or Formula 2, and the electron transport region satisfies at least one of Condition (1) and Condition (2), as defined herein.