公开(公告)号：US20240431203A1

公开(公告)日：2024-12-26

申请号：US18818489

申请日：2024-08-28

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60 ,  H10K50/11 ,  H10K85/40 ,  H10K101/10

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：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：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.

公开(公告)号：US20250063884A1

公开(公告)日：2025-02-20

申请号：US18939409

申请日：2024-11-06

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20220336750A1

公开(公告)日：2022-10-20

申请号：US17515912

申请日：2021-11-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeyong LEE ,  Jungmin KANG ,  Kyungsik KIM ,  Yeongrong PARK ,  Seokgyu YOON

IPC: H01L51/00

Abstract: Provided are a light-emitting device and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The first electrode includes an oxide of: tungsten (W), molybdenum (Mo), copper (Cu), nickel (Ni), vanadium (V), or any combination thereof. The interlayer includes an emission layer and a layer including a tertiary amine compound including an organic selenium moiety, and the interlayer does not include a p-dopant.

公开(公告)号：US20220255011A1

公开(公告)日：2022-08-11

申请号：US17544832

申请日：2021-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeyong LEE ,  Seokgyu YOON ,  Jungmin KANG ,  Kyungsik KIM ,  Hyeongpil KIM ,  Jaejin LYU ,  Kunwook CHO

IPC: H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the hole transport region includes a hole injection layer and a hole transport layer, sequentially arranged between the first electrode and the emission layer, the first electrode includes aluminum, an alloy including aluminum, or any combination thereof, the hole injection layer consists of a first inorganic material as described herein, and an absolute value of a work function of the first inorganic material is greater than or equal to an absolute value of a HOMO energy level of the hole transport layer, and the hole transport region excludes a p-dopant.

公开(公告)号：US20200274073A1

公开(公告)日：2020-08-27

申请号：US16578414

申请日：2019-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeweon HUR ,  Kyungsik KIM ,  Sungwook KIM ,  Seulong KIM ,  Sungsoo BAE

IPC: H01L51/00 ,  C09K11/06

Abstract: Provided is an organic light-emitting device including an auxiliary layer between an emission layer and a hole blocking layer.

公开(公告)号：US20220376184A1

公开(公告)日：2022-11-24

申请号：US17541274

申请日：2021-12-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonmi LEE ,  Jaeyong LEE ,  Kyungsik KIM ,  Yeongrong PARK ,  Kunwook CHO

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

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the first electrode includes a metal oxide having a work function value of about −5.3 eV or less, and the interlayer includes a layer including a compound of Formula 1: wherein, in Formula 1, the variables are described herein.