公开(公告)号：US20240341116A1

公开(公告)日：2024-10-10

申请号：US18417136

申请日：2024-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jungho Choi ,  Pilgu Kang ,  Daehyeon Kim ,  Dongchan Kim ,  Jiyoung Moon ,  Hakchoong Lee ,  Jaehoon Hwang

IPC: H10K50/17 ,  H10K102/00

CPC classification number: H10K50/171 ,  H10K2102/351

Abstract: Embodiments provide a light-emitting device, and an electronic apparatus and electronic equipment that each include the light-emitting device. The light-emitting device includes an anode, a cathode facing the anode, and an interlayer between the anode and the cathode, wherein the interlayer includes an emission layer and an electron transport region between the emission layer and the cathode. The electron transport region includes an electron injection layer adjacent to the cathode, the electron injection layer includes an alkali metal, and the cathode includes silver (Ag).

公开(公告)号：US20220406860A1

公开(公告)日：2022-12-22

申请号：US17649910

申请日：2022-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seho Lee ,  Taehyung Kim ,  Jihwan Yoon ,  Hojun Lee ,  Sangwoo Pyo ,  Jaehoon Hwang

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

公开(公告)号：US12063857B2

公开(公告)日：2024-08-13

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 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K101/30 ,  H10K101/40

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

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：US11753426B2

公开(公告)日：2023-09-12

申请号：US16283173

申请日：2019-02-22

Applicant: Samsung Display Co., Ltd.

Inventor： Byeongwook Yoo ,  Myeongsuk Kim ,  Jimyoung Ye ,  Yiseul Kim ,  Jaehoon Hwang

IPC: C07F15/00 ,  H10K50/11 ,  H10K85/30 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60 ,  H10K101/10 ,  H10K101/30

CPC classification number: C07F15/004 ,  H10K50/11 ,  H10K85/342 ,  H10K50/156 ,  H10K50/166 ,  H10K85/324 ,  H10K85/631 ,  H10K85/654 ,  H10K85/6572 ,  H10K2101/10 ,  H10K2101/30

Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an organic light-emitting apparatus including the organic light-emitting device. The organometallic compound has the structure M(L1)n1(L2)n2, wherein M is a transition metal, L1 is a ligand represented by the following structure:




wherein n1 is 1, 2, or 3, and when n1 is two or more, two or more L1(s) are identical to or different from each other, L2 is an organic ligand, and n2 is 0, 1, or 2, and when n2 is two or more, two or more L2(s) are identical to or different from each other. The sum of n1 and n2 is 2 or 3. More details about Formula 2 is provided in the disclosure.

公开(公告)号：US20230140767A1

公开(公告)日：2023-05-04

申请号：US17714892

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hakchoong Lee ,  Yoonseok Ka ,  Dongchan Kim ,  Jiyoung Moon ,  Hajin Song ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H01L51/52

Abstract: A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×107 S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×107 S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

公开(公告)号：US11145829B2

公开(公告)日：2021-10-12

申请号：US16260104

申请日：2019-01-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Myeongsuk Kim ,  Byeongwook Yoo ,  Yiseul Kim ,  Hyoyeon Kim ,  Jaehoon Hwang

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32 ,  C07F15/00

Abstract: An organic electroluminescent device includes a first electrode, a hole transport region provided on the first electrode, an emission layer provided on the hole transport region, an electron transport region provided on the emission layer, and a second electrode provided on the electron transport region, wherein the emission layer includes an organometallic compound represented by Formula 1.

公开(公告)号：US10763445B2

公开(公告)日：2020-09-01

申请号：US15921590

申请日：2018-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soobyung Ko ,  Myeongsuk Kim ,  Jimyoung Ye ,  Byeongwook Yoo ,  Heunseung Lee ,  Jaehoon Hwang

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

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

公开(公告)号：US10297644B2

公开(公告)日：2019-05-21

申请号：US15700549

申请日：2017-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin Song ,  Byeongwook Yoo ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  G09G3/3225 ,  G09G3/3233

Abstract: An OLED display device includes a substrate including red, green, and blue pixel areas, a first electrode at each of the red pixel area, the green pixel area, and the blue pixel area on the substrate, a hole transport layer on the first electrode, a light emission portion on the hole transport layer, the light emission portion including a red light emitting layer at the red pixel area, a green light emitting layer at the green pixel area, and a blue light emitting layer at the blue pixel area, a first charge generation layer and a first resonance auxiliary layer between the hole transport layer and the blue light emitting layer, a second resonance auxiliary layer between the hole transport layer and the red light emitting layer, an electron transport layer on the light emission portion, and a second electrode on the electron transport layer.

公开(公告)号：US12101969B2

公开(公告)日：2024-09-24

申请号：US17649910

申请日：2022-02-03

Applicant: Samsung Display Co., Ltd.

Inventor： Seho Lee ,  Taehyung Kim ,  Jihwan Yoon ,  Hojun Lee ,  Sangwoo Pyo ,  Jaehoon Hwang

IPC: H01L27/32 ,  H10K50/824 ,  H10K59/122 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/824 ,  H10K59/124 ,  H10K59/131 ,  H10K71/00

Abstract: A display device includes: a substrate; an organic insulating layer on the substrate and having an opening; a first electrode on the organic insulating layer; an auxiliary electrode on the organic insulating layer and including a first portion overlapping the opening; a bank layer having a first bank opening overlapping the first electrode and a second bank opening overlapping the first portion; an intermediate layer on the first electrode and the auxiliary electrode, the intermediate layer including a hole exposing a portion of the auxiliary electrode; and a second electrode on the intermediate layer, overlapping the first electrode and the auxiliary electrode, and in contact with the auxiliary electrode through the hole in the intermediate layer. The hole in the intermediate layer only partially overlaps the opening in the organic insulating layer and is located within the second bank opening in a plan view.

公开(公告)号：US11825742B2

公开(公告)日：2023-11-21

申请号：US16181407

申请日：2018-11-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jimyoung Ye ,  Myeongsuk Kim ,  Byeongwook Yoo ,  Soobyung Ko ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07D417/14 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/6572 ,  C07D417/14 ,  C09K11/06 ,  H10K85/655 ,  H10K85/656 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/30

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 emission layer includes a compound represented by Formula 1A or a compound represented by Formula 1B: