公开(公告)号：US20220209116A1

公开(公告)日：2022-06-30

申请号：US17403040

申请日：2021-08-16

Applicant: Samsung Display Co., Ltd.

Inventor： SUN YOUNG PAK ,  TAEIL KIM ,  JUNHA PARK ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: A light emitting device according to an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The emission layer includes a fused polycyclic compound represented by Formula 1, which is defined in the specification.

公开(公告)号：US20220181551A1

公开(公告)日：2022-06-09

申请号：US17451308

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  JANG YEOL BAEK ,  KYOUNG SUNWOO ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG

IPC: H01L51/00 ,  C09K11/06 ,  C07F5/02

Abstract: An organic electroluminescence device of one or more embodiments includes a first electrode, an organic layer on the first electrode, and a second electrode on the organic layer, wherein the first electrode and the second electrode each independently includes at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, Zn, compounds thereof, mixtures thereof, and oxides thereof, and the organic layer includes a polycyclic compound represented by Formula 1, thereby showing high emission efficiency properties: