公开(公告)号：US20250072277A1

公开(公告)日：2025-02-27

申请号：US18814267

申请日：2024-08-23

Applicant: Samsung Display Co., LTD.

Inventor： SEULONG KIM ,  YOUNGHO KIM ,  BUM SUK LEE ,  SEOKJAE LEE ,  JAHYUN IM

IPC: H10K85/30 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K50/19 ,  H10K50/858 ,  H10K85/60

Abstract: A light emitting element of an embodiment includes a first electrode, a first light emitting unit on the first electrode and including a first emission layer, a charge generation unit on the first light emitting unit, a second light emitting unit on the charge generation unit and including a second emission layer, a second electrode on the second light emitting unit, and a capping layer on the second electrode, wherein the first light emitting unit includes a first compound including a first moiety, the second light emitting unit includes a second compound including a second moiety, the capping layer includes a third compound including a third moiety, and the first moiety, the second moiety and the third moiety each independently includes one among benzothiophene, thienopyridine, thienopyrimidine, thienopyridazine, thienopyrazine, thienotriazine, thienotetrazine, benzothiazole, thiazolopyridine, thiazolopyrimidine, thiazolopyridazine, thiazolopyrazine, thiazolotriazine, thiazoloetetrazine, benzothiadiazole, thiadiazolepyridine, thiadiazolepyrimidine, thiadiazolepyridazine, thiadiazolepyrazine, thiadiazoletriazine, and thiadiazoletetrazine.

公开(公告)号：US20230403877A1

公开(公告)日：2023-12-14

申请号：US18137239

申请日：2023-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： JIHO SOHN ,  SUNGJIN MUN ,  JIHYUN SEO ,  JAE YOUNG LEE ,  JUNYOUNG LEE ,  JAHYUN IM ,  SANGHO JEON

IPC: H10K50/15 ,  H10K50/125 ,  H10K50/16

CPC classification number: H10K50/15 ,  H10K50/125 ,  H10K50/16 ,  H10K2101/30

Abstract: A light emitting diode and a display device including the light emitting diode are provided. The light emitting diode may include a first electrode, a hole transport region disposed on the first electrode, an emission auxiliary layer disposed on the hole transport region, a first buffer layer disposed on the emission auxiliary layer, an emission layer disposed on the first buffer layer and including a hole transport host, an electron transport host, and a dopant having a dipole moment of about 2.0 Debye (D) or less, a second buffer layer disposed on the emission layer, an electron transport region disposed on the second buffer layer, and a second electrode disposed on the electron transport region.

公开(公告)号：US20180040827A1

公开(公告)日：2018-02-08

申请号：US15648938

申请日：2017-07-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： EUNJI CHOI ,  JAHYUN IM

IPC: H01L51/00 ,  H01L27/32

CPC classification number: H01L51/0058 ,  C09B1/00 ,  C09B3/14 ,  C09B3/78 ,  C09B23/148 ,  C09B57/00 ,  C09B57/001 ,  C09B57/008 ,  C09B57/10 ,  H01L27/3211 ,  H01L51/0055 ,  H01L51/0085 ,  H01L51/0094 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092

Abstract: An organic light-emitting device includes a first electrode and a second electrode facing the first electrode. An organic layer is between the first electrode and the second electrode. The organic layer includes an emission layer. A hole transport region is between the first electrode and the emission layer. A first auxiliary layer is between the hole transport region and the emission layer. The first auxiliary layer includes a first compound represented by Formula 1