公开(公告)号：US20160087217A1

公开(公告)日：2016-03-24

申请号：US14629848

申请日：2015-02-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Naoyuki ITO ,  Seulong KIM ,  Younsun KIM ,  Dongwoo SHIN ,  Jungsub LEE

IPC: H01L51/00

CPC classification number: H01L51/0058 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/5012 ,  H01L2251/5384

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. The emission layer includes a first host represented by Formula 1 and a second host represented by Formula 2. A volume ratio of the first host to the second host is in a range of about 94:3 to about 77:20: where R11 to R14, R21, R23 to R26, L11, L21, L23, X21, a11, a21, a23, b11 to b14, b21, and b23 to b26 are as defined in the specification.

Abstract translation: 有机发光器件包括在第一电极和第二电极之间的第一电极，第二电极和有机层。 有机层包括发射层。 发光层包括由式1表示的第一主体和由式2表示的第二主体。第一主体与第二主体的体积比在约94:3至约77:20的范围内：其中R11至R14 ，R21，R23〜R26，L11，L21，L23，X21，a11，a21，a23，b11〜b14，b21，b23〜b26如说明书所述。

公开(公告)号：US20250160112A1

公开(公告)日：2025-05-15

申请号：US19019357

申请日：2025-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Tsuyoshi NAIJO ,  Yunjee PARK ,  Sungsoo BAE ,  Dongchan LEE ,  Hyewon CHOI

IPC: H10K50/16 ,  H10K85/60

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.

公开(公告)号：US20230284524A1

公开(公告)日：2023-09-07

申请号：US17737384

申请日：2022-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Seulong KIM ,  Hyein JEONG

IPC: H01L51/00 ,  C07F9/6568 ,  C09K11/06

CPC classification number: H01L51/0071 ,  C07F9/65685 ,  C09K11/06 ,  H01L51/5076

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer between the first electrode and the second electrode and an electron transport region between the emission layer and the second electrode. The electron transport region includes an electron transport layer and an electron injection layer between the electron transport layer and the second electrode. The electron transport layer includes a first material and a second material, the electron injection layer includes a third material and a fourth material, and an amount of the third material is in a range of about 50 parts by weight to about 99 parts by weight, based on a total of 100 parts by weight of the electron injection layer. The first material to the fourth material are respectively the same as described in the specification.

公开(公告)号：US20230180606A1

公开(公告)日：2023-06-08

申请号：US18160631

申请日：2023-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Jaeyong LEE ,  Taekyung KIM ,  Minkyung KIM ,  Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Soonchul CHANG ,  Jaehoon HWANG

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6572 ,  H10K85/631 ,  H10K85/636 ,  H10K85/654 ,  H10K85/626 ,  H10K50/11 ,  H10K85/615 ,  H10K50/15 ,  H10K2101/30 ,  H10K50/16 ,  H10K2101/40 ,  H10K50/19

Abstract: Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US20220328768A1

公开(公告)日：2022-10-13

申请号：US17709742

申请日：2022-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Pilgu KANG ,  Hajin SONG ,  Jihwan YOON ,  Yangjin CHO ,  Jungho CHOI ,  Jaehoon HWANG

IPC: H01L51/00

Abstract: Provided are a heterocyclic compound, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The heterocyclic compound is represented by Formula 1, which is explained in the specification. The light-emitting device is capable of maintaining efficiency and color expression at constant levels.

公开(公告)号：US20220278296A1

公开(公告)日：2022-09-01

申请号：US17674845

申请日：2022-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Seulong KIM ,  Hyein JEONG ,  Soungwook KIM ,  Sungsoo BAE ,  Hyewon CHOI

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  C07F9/547 ,  C07F9/576 ,  C07F9/58 ,  C07F9/6553 ,  C07F9/655 ,  C07F9/6564 ,  C07D471/04 ,  C07D519/00 ,  C07D487/04 ,  C07D491/048

Abstract: Provided are a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode; and an electron transport capping layer located outside the second electrode, wherein the interlayer includes an emission layer and an electron transport region, one of the electron transport region and the electron transport capping layer includes a first compound represented by Formula 1, and the other one includes the first compound, a second compound represented by Formula 2, or a combination thereof, and the electron transport region further includes a metal dopant: wherein, Formulae 1 and 2 are the same as described in the specification.

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：US20210296592A1

公开(公告)日：2021-09-23

申请号：US17029003

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Heungsu PARK

IPC: H01L51/00 ,  C07D251/24 ,  C07D239/26 ,  C07D231/56 ,  C07D403/10

Abstract: Disclosed are an organic light-emitting device including a first compound represented by Formula 1 below and a second compound represented by Formula 2 below, and an electronic apparatus including the organic light-emitting device. The variables in Formula 1 and Formula 2 are the same as described in the present specification.

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)