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：US20220209133A1

公开(公告)日：2022-06-30

申请号：US17560206

申请日：2021-12-22

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00

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, wherein the organic layer includes: an emission region; a hole transport region between the first electrode and the emission region; and an electron transport region between the emission region and the second electrode, the emission region includes a first emission layer proximate to the hole transport region and a second emission layer proximate to the electron transport region, the first emission layer and the second emission layer are different from each other, and Equation 1 is satisfied, as described herein.

公开(公告)号：US20220190296A1

公开(公告)日：2022-06-16

申请号：US17551016

申请日：2021-12-14

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/52 ,  H01L51/00

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a first capping layer and a second capping layer outside the second electrode, wherein the first capping layer includes at least one compound selected from compounds represented by Formulae 1-1 to 1-3, as defined herein, and the second capping layer includes at least one compound selected from compounds represented by Formulae 2-1 to 2-6, as defined herein.

公开(公告)号：US20210104683A1

公开(公告)日：2021-04-08

申请号：US17028894

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunyoung KIM ,  Minje KIM ,  Eungdo KIM ,  Hyojeong KIM ,  Hyosup SHIN ,  Seokgyu YOON ,  Youngki LEE ,  Jungsub LEE ,  Jiyoung LEE ,  Hyejin JUNG ,  Kunwook CHO ,  Hyeongu CHO ,  Minsoo CHOI ,  Youngeun CHOI ,  Hyein JEONG

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device and an apparatus including the same are disclosed. 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. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.

公开(公告)号：US20210098708A1

公开(公告)日：2021-04-01

申请号：US17028938

申请日：2020-09-22

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

Inventor： SeulOng KIM ,  Eu Gene OH ,  Hyein JEONG ,  Seung-Jin CHU ,  Munsoo KIM ,  Juwan MAENG ,  Kap Jong HAN

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby showing excellent emission efficiency properties and long-life characteristics:

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：US20200185605A1

公开(公告)日：2020-06-11

申请号：US16547504

申请日：2019-08-21

Applicant: Samsung Display Co., Ltd.

Inventor： JUNGSUB LEE ,  Hyein JEONG ,  Hye Jeong PARK

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode and a plurality of organic layers disposed between the first electrode and the second electrode, in which at least one of the organic layers includes a polycyclic compound including a plurality of electron donors and an electron acceptor connecting the electron donors, at least one of the electron donors is a condensed ring including a borepine core, and the electron acceptor includes a phenyl group including, as a substituent, at least one cyano group or a heterocycle including at least one nitrogen atom, or a heteroaryl group including an oxygen atom or a sulfur atom for forming a ring, thereby achieving improved emission efficiency.

公开(公告)号：US20170331039A1

公开(公告)日：2017-11-16

申请号：US15593976

申请日：2017-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jino LIM ,  Seulong KIM ,  Younsun KIM ,  Dongwoo SHIN ,  Jungsub LEE ,  Hyein JEONG

IPC: H01L51/00 ,  C07D307/91 ,  C09K11/06 ,  C07C211/54 ,  C07C211/61 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device is provided That includes: a first electrode; a second electrode facing the first electrode; m number of emission units disposed between the first electrode and the second electrode, the emission units each including at least one emission layer. m−1 charge generation layers are disposed between two adjacent emission units and each includes an n-type charge generation layer and a p-type charge generation layer. Maximum emission wavelengths of light emitted by two emission units may be different. At least one of the emission units, at least one of the charge generation layers, or any combination thereof may each include a first compound, which may be represented by Formula 1:

公开(公告)号：US20170256721A1

公开(公告)日：2017-09-07

申请号：US15452392

申请日：2017-03-07

Applicant: Samsung Display Co., Ltd ,  Industry-academic Cooperation Foundation Gyeongsang National University

Inventor： Mikyung KIM ,  Yunhi KIM ,  Heeyeon KIM ,  Soonki KWON ,  Jangyeol BAEK ,  Jihyun SEO ,  Hyein JEONG

IPC: H01L51/00 ,  C09K11/06 ,  C07D471/22 ,  C09K11/02

CPC classification number: H01L51/0072 ,  C07D471/22 ,  C09K11/025 ,  C09K11/06 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1029 ,  C09K2211/1074 ,  C09K2211/185 ,  H01L51/0058 ,  H01L51/0061 ,  H01L51/0085 ,  H01L51/5016 ,  H01L51/5024 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096

Abstract: A condensed cyclic compound and an organic light-emitting device including the same are provided. The compound may be represented by the following structure: wherein X1 is N or C(R1), X2 is N or C(R2), X3 is N or C(R3), X4 is N or C(R4), X5 is N or C(R5), and X6 is N or C(R6), and ring A1 is a C5-C60 carbocyclic group or a C2-C60 heterocyclic group, provided that ring A1 is not a benzene.

公开(公告)号：US20170213987A1

公开(公告)日：2017-07-27

申请号：US15415710

申请日：2017-01-25

Applicant: Samsung Display Co., Ltd ,  Industry-Academic Cooperation Foundation Gyeongsang National University

Inventor： Mikyung KIM ,  Heeyeon KIM ,  Yunhi KIM ,  Seongjong PARK ,  Jaeyong LEE ,  Hyein JEONG ,  Jaeyoung HWANG

IPC: H01L51/00 ,  C07F9/6584 ,  C09K11/02 ,  C09K11/06

Abstract: Provided are a carbazole-based compound and an organic light-emitting device including the same. The carbazole-based compound may have the following general structure: wherein details and examples of L1 through L6, R1 through R6, a1 through a6, and b1 through b6 are provided.