公开(公告)号：US20230033974A1

公开(公告)日：2023-02-02

申请号：US17821611

申请日：2022-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Harald FLUEGGE ,  Sandra BONUS ,  Christian KASPAREK

IPC: H01L51/00 ,  C09K11/06

Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a triplet-triplet annihilation (TTA) material, a thermally activated delayed fluorescence (TADF) material and a near-range-charge-transfer (NRCT) emitter material, which exhibits a narrow—expressed by a small full width at half maximum (FWHM)—emission. Further, the present invention relates to a method for obtaining a desired light spectrum and achieving suitable (long) lifespans of an organic electroluminescent device according to the present invention.

公开(公告)号：US20230063469A1

公开(公告)日：2023-03-02

申请号：US17937348

申请日：2022-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Georgios LIAPTSIS ,  Christian KASPAREK ,  Harald FLUEGGE ,  Sandra BONUS ,  Patrick PINGEL ,  Jaime LEGANES CARBALLO ,  Irina ROERICH

IPC: H01L51/00 ,  H01L51/50

Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material HB, a first thermally activated delayed fluorescence (TADF) material EB, and a depopulation agent SB.

公开(公告)号：US20240107882A1

公开(公告)日：2024-03-28

申请号：US18501882

申请日：2023-11-03

Applicant: Samsung Display Co., Ltd.

Inventor： Georgios LIAPTSIS ,  Christian KASPAREK ,  Harald FLUEGGE ,  Sandra BONUS ,  Patrick PINGEL ,  Jaime LEGANES CARBALLO ,  Irina ROERICH

IPC: H10K85/60 ,  H10K50/00 ,  H10K85/40

CPC classification number: H10K85/6572 ,  H10K50/00 ,  H10K85/40 ,  H10K85/654 ,  H10K2101/30

Abstract: The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material HB, a first thermally activated delayed fluorescence (TADF) material EB, and a depopulation agent SB.

公开(公告)号：US20230157169A1

公开(公告)日：2023-05-18

申请号：US17905568

申请日：2020-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Daniel ZINK ,  Stefan SEIFERMANN ,  Anastasia RESETNIC ,  Christian KASPAREK

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K2101/20

Abstract: The disclosure relates to an organic molecule, for example, for application in optoelectronic devices. According to the disclosure, the organic molecule has a structure of formula I, wherein RI, RII, RIII, RIV, RV, RVI, RVII, RVIII, RIX and RX are independently selected from the group consisting of: hydrogen, deuterium, halogen, C1-C4-alkyl, wherein optionally one or more hydrogen atoms are independently from each other substituted by R5; and C6-C18-aryl, wherein optionally one or more hydrogen atoms are independently from each other substituted R5.

公开(公告)号：US20230115932A1

公开(公告)日：2023-04-13

申请号：US17766881

申请日：2020-10-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Federico KOCH ,  Christian KASPAREK

IPC: H01L51/00 ,  C09K11/06

Abstract: The invention relates to a an organic electroluminescent device comprising a light-emitting layer B comprising a host material HB, a first thermally activated delayed fluorescence (TADF) material EB, and an emitter material SB.