公开(公告)号：US20190067589A1

公开(公告)日：2019-02-28

申请号：US16106520

申请日：2018-08-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seokgyu YOON ,  Shuri SATO ,  Junta FUCHIWAKI ,  Yoshimasa FUJITA

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic electroluminescence device including a first electrode; a hole transport region on the first electrode; a light emitting layer on the hole transport region; an electron transport region on the light emitting layer; and a second electrode on the electron transport region, wherein the light emitting layer includes a first compound satisfying Formula 1 below and a second compound satisfying Formula 2 below, and the first compound has a full width at half maximum of 60 nm or less: V2>V1  [Formula 1] K1>1.1×K2.  [Formula 2]

公开(公告)号：US20220029102A1

公开(公告)日：2022-01-27

申请号：US17495551

申请日：2021-10-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Shuri SATO ,  Hiroaki ITOI

IPC: H01L51/00 ,  C07F7/08 ,  C07C211/54 ,  C07C211/58 ,  C07D209/80 ,  C07D209/86 ,  C07D307/91 ,  C07D405/14

Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

公开(公告)号：US20200321531A1

公开(公告)日：2020-10-08

申请号：US16946396

申请日：2020-06-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Shuri SATO ,  Hiroaki ITOI

IPC: H01L51/00 ,  C07F7/08 ,  C07C211/54 ,  C07C211/58 ,  C07D209/80 ,  C07D209/86 ,  C07D307/91 ,  C07D405/14

Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

公开(公告)号：US20170346017A1

公开(公告)日：2017-11-30

申请号：US15378084

申请日：2016-12-14

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Hiromi NAKANO ,  Shuri SATO ,  Yoshimasa FUJITA ,  Nobutaka AKASHI ,  Takuma YASUDA ,  Inseob PARK

IPC: H01L51/00 ,  C07D403/14 ,  C09K11/06 ,  C07D401/10 ,  C07D401/14 ,  C07D491/107 ,  H01L51/50

Abstract: A nitrogen-containing compound and an organic electroluminescence device including the same, the nitrogen-containing compound being represented by the following Formula 1:

公开(公告)号：US20170288147A1

公开(公告)日：2017-10-05

申请号：US15447704

申请日：2017-03-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Shuri SATO ,  Hiroaki ITOI

IPC: H01L51/00 ,  C07F7/08 ,  C07D405/14 ,  C07D307/91 ,  C07C211/54 ,  C07C211/58 ,  C07D209/86 ,  C07D209/80

Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

公开(公告)号：US20240074307A1

公开(公告)日：2024-02-29

申请号：US18474078

申请日：2023-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Yoshimasa FUJITA ,  Shuri SATO ,  Hiroaki ITOI

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/58 ,  C07D209/80 ,  C07D209/86 ,  C07D307/91 ,  C07D405/14 ,  C07F7/08 ,  H10K85/40

CPC classification number: H10K85/636 ,  C07C211/54 ,  C07C211/58 ,  C07D209/80 ,  C07D209/86 ,  C07D307/91 ,  C07D405/14 ,  C07F7/081 ,  C07F7/0812 ,  C07F7/0816 ,  H10K85/40 ,  H10K85/622 ,  H10K85/631 ,  H10K85/633 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/12

Abstract: An organic light emitting device including an anode; a hole transport region on the anode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a cathode on the electron transport region, wherein the hole transport region includes: a first hole transport layer including a first hole transport material represented by the following Formula 1 or a second hole transport material represented by the following Formula 2; and a second hole transport layer on the first hole transport layer, the second hole transport layer including a third hole transport material represented by the following Formula 3 or a fourth hole transport material represented by the following Formula 4:

公开(公告)号：US20200161562A1

公开(公告)日：2020-05-21

申请号：US16567389

申请日：2019-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoshimasa FUJITA ,  Keigo HOSHI ,  Yuuki MIYAZAKI

IPC: H01L51/00 ,  C07D209/86 ,  C09K11/06

Abstract: An organic electroluminescence device includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a compound including a first phenyl group that is substituted with at least one cyano group and a second phenyl group that is substituted with five substituted or unsubstituted carbazole groups, the second phenyl group being directly bonded to the first phenyl group.

公开(公告)号：US20170352817A1

公开(公告)日：2017-12-07

申请号：US15474030

申请日：2017-03-30

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION

Inventor： Hiromi NAKANO ,  Shuri SATO ,  Yoshimasa FUJITA ,  Nobutaka AKASHI ,  Takuma YASUDA ,  JiYoung LEE

IPC: H01L51/00 ,  C07D405/04 ,  C07D491/107 ,  C09K11/06 ,  H01L51/50

Abstract: A polycyclic compound and an organic electroluminescence device including the same. The polycyclic compound according to an example embodiment is represented by the following Formula 1. wherein in Formula 1, Cy1 is carbonyl-containing five- or six-membered and substituted or unsubstituted cyclic hydrocarbon or substituted or unsubstituted heterocycle, and R1 to R4 are each independently a hydrogen atom or a group represented by the following Formula 2 or 3.