公开(公告)号：US12167687B2

公开(公告)日：2024-12-10

申请号：US16391985

申请日：2019-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Dukki Kim ,  Seunguk Noh ,  Dongwoo Shin ,  Jaekook Ha ,  Eungdo Kim ,  Eunju Nam ,  Hyunwoo Lee ,  Jaesung Lim

IPC: H01L51/54 ,  H10K71/40 ,  H10K85/10 ,  H10K85/60 ,  H10K50/15

Abstract: An organic light-emitting device includes a first hole transport region including a polymer compound that includes a repeating unit derived from a compound including a moiety represented by Formula 1A and a second hole transport region including a first compound and a second compound, the first compound including a repeating unit represented by Formula 1, the second compound being a compound represented by Formula 1, and the third compound being a compound represented by Formula 3.

公开(公告)号：US09985252B2

公开(公告)日：2018-05-29

申请号：US14671191

申请日：2015-03-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeyoung Lee ,  Myoungki Kim ,  Daeyong Yoon ,  Jaesung Lim ,  Jaehoon Hwang

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5281 ,  H01L51/5218 ,  H01L51/5234 ,  H01L51/5275 ,  H01L51/5284

Abstract: Provided is an organic light-emitting device including: a substrate; an anode on the substrate; an organic layer on the anode and including an emission layer; a cathode on the organic layer; an optical auxiliary layer on the cathode; and a capping layer on the optical auxiliary layer, wherein, in a visible light region, the optical auxiliary layer has a lower refractive index and a higher absorption coefficient as the capping layer.