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. 05, 2025
Filed:
Dec. 13, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Chanseok Oh, Seoul, KR;
Taeil Kim, Hwaseong-si, KR;
Sun Young Pak, Suwon-si, KR;
Junha Park, Gwacheon-si, KR;
Jang Yeol Baek, Yongin-si, KR;
Kyoung Sunwoo, Hwaseong-si, KR;
Mun-Ki Sim, Seoul, KR;
Minjung Jung, Hongcheon-gun, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A light emitting diode includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and containing a condensed polycyclic compound represented by Formula 1. The first electrode and the second electrode each independently contain at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, and Zn, compounds selected thereof, and mixtures thereof. The light emitting diode may achieve improved luminous efficiency: