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:
Dec. 30, 2025
Filed:
Jun. 03, 2022
Samsung Display Co., Ltd., Yongin-si, KR;
Hyunah Um, Yongin-si, KR;
Hyeongmin Kim, Yongin-si, KR;
Youngjin Park, Yongin-si, KR;
Heechoon Ahn, Yongin-si, KR;
Juhui Yun, Yongin-si, KR;
Yeseul Lee, Yongin-si, KR;
Hyoyoung Lee, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Gyeonggi-Do, KR;
Abstract
A light-emitting device includes a first electrode, and second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer and a layer. The emission layer includes a first hole transport compound, a first electron transport compound, and a third compound. The layer includes the first electron transport compound, a metal-containing material, and a second electron transport compound, and the layer is between the emission layer and the second electrode.