公开(公告)号：US20200251663A1

公开(公告)日：2020-08-06

申请号：US16738886

申请日：2020-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon CHOI ,  Sungwook KIM ,  SeulOng KIM ,  Tsuyoshi NAIJO ,  Hyein JEONG ,  JungMin KANG

IPC: H01L51/00 ,  H01L51/50

Abstract: Provided is an organic electroluminescence device including an emission layer between a first electrode and a second electrode, wherein the emission layer includes a first host represented by Formula 1, a second host which is different from the first host, a first dopant which is a thermally activated delayed fluorescence material having an electron donor and an electron acceptor, and a second dopant represented by Formula 2.

公开(公告)号：US20180076392A1

公开(公告)日：2018-03-15

申请号：US15703770

申请日：2017-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsoo HWANG ,  Myeongsuk KIM ,  Sungwook KIM

IPC: H01L51/00 ,  C07D403/04 ,  C07D471/10 ,  C07D307/77 ,  C07D307/91 ,  C07D405/10 ,  C07D405/12 ,  C07D405/14 ,  C07D409/04 ,  C07D409/14 ,  C07F9/655 ,  C07F9/6558 ,  H01L51/50

Abstract: A condensed-cyclic compound and an organic light-emitting device including the same are provided. The condensed-cyclic compound is represented by Formula 1: wherein, in Formulae 1, 2A, and 2B, ring A1 is selected from a benzene group, a naphthalene group, a pyridine group, a pyrimidine group, a pyrazine group, a quinoline group, an isoquinoline group, a quinoxaline group, a quinazoline group, and a cinnoline group; ring A2 is selected from a pyridine group, a pyrimidine group, a pyrazine group, a quinoline group, an isoquinoline group, a quinoxaline group, a quinazoline group, and a cinnoline group; and ring A3 is selected from groups represented by Formula 2A and groups represented by Formula 2B. Further details about the compounds are presented.

公开(公告)号：US20160043330A1

公开(公告)日：2016-02-11

申请号：US14661427

申请日：2015-03-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sungwook KIM ,  Myeongsuk KIM ,  Jinsoo Hwang

IPC: H01L51/00

CPC classification number: H01L51/0085 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/185 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/0072 ,  H01L51/5016 ,  H01L2251/308

Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first 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 at least one organometallic compound represented by Formula 1, below, and at least one condensed cyclic compound represented by Formula 40, below:

Abstract translation: 一种有机发光装置，包括：第一电极; 面对所述第一电极的第二电极; 以及在所述第一电极和所述第二电极之间的有机层，所述有机层包括发光层，其中所述有机层包含至少一种由下式1表示的有机金属化合物和至少一种由式40表示的稠合环状化合物， 下面：

公开(公告)号：US20210408397A1

公开(公告)日：2021-12-30

申请号：US17293309

申请日：2019-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Kyungsik KIM ,  Sungwook KIM ,  Sung-Soo BAE ,  Jaeweon HUR

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer and a second electrode on the electron transport region, wherein the emission layer includes a spiro compound containing an aryl amine group and an indenoindole derivative, thereby showing high emission efficiency and the emission layer emits green light.

公开(公告)号：US20210202844A1

公开(公告)日：2021-07-01

申请号：US16935004

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Kyungsik KIM ,  Sungwook KIM ,  Seulong KIM ,  Seungjin CHU ,  Hyein JEONG

IPC: H01L51/00 ,  C07C211/58 ,  C09K11/06 ,  C07C211/61 ,  C07D209/88 ,  C07F7/08

Abstract: An organic light-emitting device in which a hole transport region includes a first hole transport stack, a second hole transport stack between the first hole transport stack and an emission layer, and an electron blocking layer between the second hole transport stack and the emission layer, wherein a HOMO energy level of the hole transport region satisfies a certain equations. The organic light-emitting devices according to embodiments of the present disclosure may have high efficiency and a long lifespan.

公开(公告)号：US20210184152A1

公开(公告)日：2021-06-17

申请号：US16996599

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seungjin CHU ,  Kyungsik KIM ,  Sungwook KIM ,  Seulong KIM ,  Tsuyoshi NAIJO ,  Yunjee PARK ,  Sungsoo BAE ,  Dongchan LEE ,  Hyewon CHOI ,  Jaeweon HUR

IPC: H01L51/50 ,  H01L51/00

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV  Equation 1 T1(H)≥T1(Mix)+0.3 eV  Equation 2 T1(Mix)

公开(公告)号：US20210098701A1

公开(公告)日：2021-04-01

申请号：US17033350

申请日：2020-09-25

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： Dongchan LEE ,  Eu-gene OH ,  Munsoo KIM ,  JuWan MAENG ,  Kap-jong HAN ,  Sung-Soo BAE ,  Sungwook KIM ,  Tsuyoshi NAIJO ,  Hyein JEONG

IPC: H01L51/00 ,  C09K11/06 ,  C09K11/02 ,  C07F5/04 ,  C07F9/6561

Abstract: An organic luminescence device includes a polycyclic compound represented by Formula 1 in at least one functional layer between a first electrode and a second electrode, wherein in Formula 1, X is O, S, Se, CR4R5, SiR6R7, or and at least one selected from L1 and Ar1 is an electron withdrawing group having a Hammett constant greater than 0:

公开(公告)号：US20210074918A1

公开(公告)日：2021-03-11

申请号：US16996543

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Kyungsik KIM ,  Sungwook KIM ,  Seungjin CHU ,  Jaeweon HUR

IPC: H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and comprising an emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region comprises a first auxiliary layer and a second auxiliary layer, the first auxiliary layer is between the emission layer and the second auxiliary layer, the first auxiliary layer comprises a first compound, the second auxiliary layer comprises a second compound, the second compound comprises at least one 7 electron-depleted nitrogen-containing ring, and the organic light-emitting device satisfies equations: T1(EML)≥T1(AXL1)+0.3 eV and T1(AXL2)≥T1(AXL1)+0.5 eV.