公开(公告)号：US11856844B2

公开(公告)日：2023-12-26

申请号：US17080732

申请日：2020-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun Kim ,  Minji Kim ,  Eunjae Jeong ,  Sohee Jo ,  Sanghyun Han

IPC: C07D333/76 ,  H10K85/60 ,  C07D307/91 ,  C07D209/86 ,  H10K50/15 ,  H10K50/17

CPC classification number: H10K85/636 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  H10K85/633 ,  H10K50/15 ,  H10K50/17 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.

公开(公告)号：US11744147B2

公开(公告)日：2023-08-29

申请号：US17153310

申请日：2021-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： Bora Lee ,  Hyomin Ko ,  Illhun Cho ,  Eunjae Jeong ,  Minji Kim ,  Sohee Jo ,  Dongjun Kim ,  Hankyu Pak ,  Sanghyun Han

IPC: H01L51/50 ,  H10K85/60 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/15 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858 ,  H10K102/00

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/156 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858 ,  H10K85/636 ,  C07C2601/14 ,  C07C2603/18 ,  C07C2603/74 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2102/3026 ,  H10K2102/351

Abstract: A light emitting diode of 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 hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

公开(公告)号：US11711978B2

公开(公告)日：2023-07-25

申请号：US16850208

申请日：2020-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Minji Kim ,  Dongjun Kim ,  Eunjae Jeong ,  Sohee Jo ,  Sanghyun Han

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/17 ,  H10K30/30 ,  H10K50/16

CPC classification number: H10K85/6574 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/6576 ,  H10K30/353 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1




In Formula 1, X is O or S, one selected from R1 to R8 is a group represented by Formula 2-1, and one selected from the remaining groups is a group represented by Formula 2-2, wherein, when X is O, one selected from R1, R2, R4, R5, R7, and R8 is a group represented by Formula 2-1.

公开(公告)号：US20220293862A1

公开(公告)日：2022-09-15

申请号：US17683174

申请日：2022-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun Kim ,  Hankyu Pak ,  Eunjae Jeong ,  Sanghyun Han ,  Minji Kim ,  Sohee Jo

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06 ,  C07D405/12

Abstract: A light-emitting device including an amine-based compound, an electronic apparatus including the light-emitting device, and an amine-based compound represented by Formula 1 are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.