公开(公告)号：US12219789B2

公开(公告)日：2025-02-04

申请号：US16992837

申请日：2020-08-13

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：US12150376B2

公开(公告)日：2024-11-19

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 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/16 ,  H10K59/123 ,  H10K101/10

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 π 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：US12108667B2

公开(公告)日：2024-10-01

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

CPC classification number: H10K85/6572 ,  H10K85/40 ,  H10K85/615 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/10

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：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：US20240081145A1

公开(公告)日：2024-03-07

申请号：US18482667

申请日：2023-10-06

Applicant: Samsung Display Co., LTD.

Inventor： Seulong Kim ,  Heungsu Park

IPC: H10K85/60 ,  C07D231/56 ,  C07D239/26 ,  C07D251/24 ,  C07D403/10

CPC classification number: H10K85/654 ,  C07D231/56 ,  C07D239/26 ,  C07D251/24 ,  C07D403/10 ,  H10K85/6572 ,  H10K50/11

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：US11818932B2

公开(公告)日：2023-11-14

申请号：US17356414

申请日：2021-06-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/35 ,  C09K11/02 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10 ,  H10K101/00

CPC classification number: H10K59/35 ,  C09K11/025 ,  C09K11/06 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/844 ,  H10K85/342 ,  H10K85/615 ,  H10K85/631 ,  H10K85/633 ,  H10K85/636 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/8445 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2101/90

Abstract: An electronic apparatus comprising:



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, wherein the organic film comprises a cured product of a composition for forming an organic film, the composition comprising a curable material and an ultraviolet (UV) absorber,
wherein the curable material comprises at least one selected from an acryl-based material, a methacryl-based material, an acrylate-based material, a methacrylate-based material, a vinyl-based material, an epoxy-based material, a urethane-based material, and a cellulose-based material, and
the organic light-emitting device that 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 is presented. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a diamine compound:

公开(公告)号：US20220340571A1

公开(公告)日：2022-10-27

申请号：US17695845

申请日：2022-03-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Samil KHO ,  Hyoungkun KIM ,  Donghwan KIM ,  Hyein JEONG

IPC: C07D471/10 ,  C07D251/24 ,  C07D401/14 ,  C07D401/04 ,  C07D471/04 ,  C07D405/14 ,  C07D409/14 ,  C07D405/10 ,  C07D403/10 ,  C09K11/77 ,  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, wherein the interlayer includes an emission layer and an electron transport region, the electron transport region is between the emission layer and the second electrode, the electron transport region includes a first compound of Formula 1, an alkali metal halide, and a lanthanide metal, and the first compound includes one or more C8-C60 carbocyclic groups or a C8-C60 heterocyclic group, wherein, in Formula 1, the variables are defined herein.

公开(公告)号：US11437604B2

公开(公告)日：2022-09-06

申请号：US16851174

申请日：2020-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US20220223789A1

公开(公告)日：2022-07-14

申请号：US17551077

申请日：2021-12-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Hyein Jeong

IPC: H01L51/00

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 a hole transport region between the first electrode and the emission layer, wherein the emission layer may include a dopant, the hole transport region may include a first hole transport layer, a second hole transport layer between the first hole transport layer and the emission layer, and a third hole transport layer between the second hole transport layer and the emission layer, the first hole transport layer may include a first compound, the second hole transport layer may include a second compound, the third hole transport layer may include a third compound, and the first to third compounds may each independently be an amine-based compound, but may be different from each other.

公开(公告)号：US20220149293A1

公开(公告)日：2022-05-12

申请号：US17454006

申请日：2021-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Hajin Song

IPC: H01L51/00

Abstract: An organic light-emitting device and an electronic apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode, a second electrode facing the first electrode; and an interlayer including a first emission layer and a second emission layer, which are located between the first electrode and the second electrode, wherein the first emission layer includes a first host and a first dopant, the second emission layer includes a second host and a second dopant, the first emission layer has greater hole mobility than electron mobility, the second emission layer has greater electron mobility than hole mobility, the first host has a triplet excitation energy level (T1) value of 2.0 eV or more, and the second host has a T1 value of 1.6 eV or more and 1.8 eV or less.