公开(公告)号：US11634438B2

公开(公告)日：2023-04-25

申请号：US16226817

申请日：2018-12-20

Applicant: Samsung Display Co., Ltd. ,  Industry Academic Cooperation Foundation Kyunghee University

Inventor： Miehwa Park ,  Janghyuk Kwon ,  Taekyung Kim ,  Juyoung Lee ,  Hyein Jeong ,  Daehyun Ahn ,  Daeyup Shin ,  Siwoo Kim ,  Jisu Moon

IPC: H01L51/50 ,  C07F5/02 ,  H01L51/00

Abstract: An organic light-emitting device and a heterocyclic compound, the device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a heterocyclic compound represented by Formula 1:

公开(公告)号：US11569461B2

公开(公告)日：2023-01-31

申请号：US16194880

申请日：2018-11-19

Applicant: SAMSUNG DISPLAY CO., LTD. ,  LAPTO CO., LTD.

Inventor： Sung-soo Bae ,  Hwanhee Cho ,  Eu-gene Oh ,  Hyein Jeong ,  Gyuri Kim ,  Kap-jong Han ,  Namho Kim ,  Hyejeong Kim ,  Juwan Maeng ,  Yongpil Park ,  Jeunghun Yoon

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

Abstract: An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The organic layer includes an organometallic compound represented by Formula 1 below. where R1 to R4, X1 to X4, Ar1 to Ar3, M, Q, m1 to m4, and n are as defined in the specification.

公开(公告)号：US20220173331A1

公开(公告)日：2022-06-02

申请号：US17533135

申请日：2021-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soungwook Kim ,  Sungsoo Bae ,  Hyein Jeong ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a capping layer disposed on the second electrode, wherein the interlayer further includes an electron transport region between the emission layer and the second electrode, the capping layer includes at least one first material represented by Formula 1 or Formula 2, and the electron transport region satisfies at least one of Condition (1) and Condition (2), as defined herein.

公开(公告)号：US11316125B2

公开(公告)日：2022-04-26

申请号：US16407810

申请日：2019-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Seulong Kim ,  Sungsoo Bae ,  Tsuyoshi Naijo ,  Jaeweon Hur ,  Hyein Jeong

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, a mixed layer, and a hole transport region, the hole transport region is between the emission layer and the first electrode, the mixed layer is between the hole transport region and the emission layer, and comprises a first compound and a second compound, the first compound comprises an anthracene-based compound represented by Formula 1, and the second compound comprises an amine-based compound represented by Formula 2. A display apparatus includes the organic light-emitting device.

公开(公告)号：US20210376253A1

公开(公告)日：2021-12-02

申请号：US17326929

申请日：2021-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Hyein Jeong

IPC: H01L51/00 ,  C07D239/74

Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1, in which at least one of X1 to X4 is a nitrogen atom, and at least one is carbon atom substituted by Formula 1A: The heterocyclic compound represented by Formula 1 may have excellent electron transport capability, and the organic light-emitting device may accordingly have low driving voltage, high efficiency, high luminance, and/or long lifespan characteristics.

公开(公告)号：US20210257559A1

公开(公告)日：2021-08-19

申请号：US17239490

申请日：2021-04-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younsun Kim ,  Seulong Kim ,  Jungsub Lee ,  Jino Lim ,  Hyein Jeong ,  Dongwoo Shin

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein a case where the first compound is 4,4′-bis(N-carbazolyl)-1,1′-biphenyl (CBP) is excluded:

公开(公告)号：US10756274B2

公开(公告)日：2020-08-25

申请号：US15480471

申请日：2017-04-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Younsun Kim ,  Seulong Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Jino Lim ,  Hyein Jeong

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:

公开(公告)号：US10573692B2

公开(公告)日：2020-02-25

申请号：US16134853

申请日：2018-09-18

Applicant: Samsung Display Co., Ltd

Inventor： Jino Lim ,  Seulong Kim ,  Younsun Kim ,  Dongwoo Shin ,  Jungsub Lee ,  Hyein Jeong

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06

Abstract: An electronic apparatus that is presented has a substrate; an organic light-emitting device disposed on the substrate; and a thin film encapsulation portion sealing the organic light-emitting device and comprising at least one organic film. The organic film includes a cured product of a composition for forming an organic film, the composition comprising a curable material and an ultraviolet (UV) absorber. The curable material includes a (meth)acrylate compound. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:

公开(公告)号：US20180240982A1

公开(公告)日：2018-08-23

申请号：US15700344

申请日：2017-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SEHUN KIM ,  Sooyoung Park ,  Chihyun Ryoo ,  Illhun Cho ,  Junghoon Yang ,  Seyoung Jung ,  Hyein Jeong

IPC: H01L51/00 ,  C07D265/38 ,  C07D213/16

CPC classification number: H01L51/0071 ,  C07D213/16 ,  C07D265/38 ,  H01L51/0059

Abstract: A polycyclic compound and an organic light-emitting device including the same are provided. The polycyclic compound is represented by Formula 1:

公开(公告)号：US09847491B2

公开(公告)日：2017-12-19

申请号：US15140379

申请日：2016-04-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinsoo Hwang ,  Seokgyu Yoon ,  Hyein Jeong

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0061 ,  H01L51/0052 ,  H01L51/006 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0085 ,  H01L51/5064

Abstract: An organic light-emitting device including: a first electrode; a second electrode; an emission layer between the first electrode and the second electrode; and a hole transport region between the first electrode and the emission layer, wherein the hole transport region comprises a first compound represented by Formula 1 and a second compound represented by Formula 2: When the first compound represented by Formula 1 and the second compound represented by Formula 2 are used in the hole transport layer and the hole auxiliary layer, respectively, an organic light-emitting device may have improved driving voltage, efficiency, brightness, and lifespan characteristics.