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公开(公告)号：US20170125698A1
公开(公告)日：2017-05-04
申请号：US15235027
申请日：2016-08-11
Applicant: Samsung Display Co., Ltd.
Inventor： Taekyung Kim , Minkyung Kim , Miehwa Park , Jaeyong Lee
CPC classification number: H01L51/0072 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/0061 , H01L51/0071 , H01L51/0074 , H01L51/0085 , H01L51/5016 , H01L2251/5384
Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer including an emission layer between the first electrode and the second electrode, the organic layer including a first compound and a second compound. The first compound may be represented by a structure similar to Formula 1-1, and the second compound may be represented by a structure similar to Formula 2-1, and may include 2 or more five-membered heterocycles.
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公开(公告)号：US11667659B2
公开(公告)日：2023-06-06
申请号：US16389289
申请日：2019-04-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sunwoo Kang , Soobyung Ko , Taekyung Kim , Sangho Jeon , Youngmi Cho
CPC classification number: C07F15/0033 , H01L51/0085 , H01L51/5096 , H01L51/5016
Abstract: An organometallic compound includes a hexadentate ligand bonded to a metal atom (M1). An energy level (E3MC) of a 3MC state (triplet metal centered state) of the organometallic compound is higher than an energy level (E3MLCT) of a 3MLCT state (triplet metal-to-ligand charge transfer state) of the organometallic compound.
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公开(公告)号：US11634438B2
公开(公告)日：2023-04-25
申请号：US16226817
申请日：2018-12-20
Inventor： Miehwa Park , Janghyuk Kwon , Taekyung Kim , Juyoung Lee , Hyein Jeong , Daehyun Ahn , Daeyup Shin , Siwoo Kim , Jisu Moon
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 organic layer includes a heterocyclic compound represented by Formula 1:
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公开(公告)号：US11569454B2
公开(公告)日：2023-01-31
申请号：US16813539
申请日：2020-03-09
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeyong Lee , Taekyung Kim , Minkyung Kim , Seulong Kim , Pilgu Kang , Jiyoung Kwon , Soonchul Chang , Jaehoon Hwang
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.
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公开(公告)号：US11414430B2
公开(公告)日：2022-08-16
申请号：US16514854
申请日：2019-07-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seulong Kim , Sunwoo Kang , Pilgu Kang , Jiyoung Kwon , Taekyung Kim , Soonchul Chang , Dahye Cho
IPC: C07D519/00 , H01L51/00 , H01L51/50
Abstract: A condensed cyclic compound is represented by Formula 1. An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, the organic layer including the condensed cyclic compound represented by Formula 1. A display apparatus includes: a thin-film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device.
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Patent Agency Ranking
公开(公告)号：US11335857B2
公开(公告)日：2022-05-17
申请号：US16677576
申请日：2019-11-07
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong Kim , Pilgu Kang , Jiyoung Kwon , Taekyung Kim , Soon-Chul Chang
Abstract: Provided are an organic electroluminescence device and a display device including the same. The organic electroluminescence device includes a polycyclic compound represented by Formula 1 in a hole blocking layer and at least one of a first light emitting layer and an electron transport layer, wherein each of Y1 to Y5 and Y11 to Y15 is independently CH or N, at least four of Y1 to Y5 are CH, at least four of Y11 to Y15 are CH, and R1, R2, and R3 are as disclosed in the description.
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公开(公告)号：US10916714B2
公开(公告)日：2021-02-09
申请号：US15716263
申请日：2017-09-26
Applicant: Samsung Display Co., Ltd.
Inventor： Sunwoo Kang , Sangho Jeon , Youngmi Cho , Soobyung Ko , Taekyung Kim
Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound may be represented by Formula 1, wherein L1 is a ligand represented by Formula 2A and L2 is a ligand represented by Formula 2B. Further details about the compounds are presented in the disclosure. M(L1)n1(L2)n2, wherein M is iridium.
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公开(公告)号：US10897015B2
公开(公告)日：2021-01-19
申请号：US15865030
申请日：2018-01-08
Applicant: Samsung Display Co., Ltd.
Inventor： Daeyup Shin , Seulong Kim , Taekyung Kim
Abstract: Provided is an organic light-emitting device including a first electrode, a second electrode, and an emission layer therebetween, wherein the emission layer includes a compound represented by the following formula: Wherein X1 and X2 are each independently O or S, A1 is a 6-membered aromatic group or a 6-membered heteroaromatic group, and details of other constituents are provided in the disclosure.
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公开(公告)号：US20200313119A1
公开(公告)日：2020-10-01
申请号：US16903301
申请日：2020-06-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seongmin Wang , Taekyung Kim , Ohjune Kwon , Mugyeom Kim , Yoonhyeung Cho
Abstract: An organic light-emitting display apparatus includes: a substrate; first electrodes arranged on the substrate at separate positions; a second electrode disposed on the first electrodes to face the first electrodes; an intermediate layer disposed between the first electrodes and the second electrode and including an emission layer; a first encapsulating layer disposed on the second electrode and patterned to have a plurality of islands, the first encapsulating layer including an organic material; and a second encapsulating layer covering the islands of the first encapsulating layer and including an inorganic material.
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公开(公告)号：US20190157600A1
公开(公告)日：2019-05-23
申请号：US15986631
申请日：2018-05-22
Applicant: Samsung Display Co., Ltd.
Inventor： Miehwa Park , Taekyung Kim , Jungsub Lee
Abstract: An organic light-emitting device is provided, including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, wherein the emission layer includes a host and a dopant, wherein the host includes at least one selected from a phosphine oxide-based compound, a pyrimidine-containing compound, a triazine-containing compound, and a cyano group-containing compound, and the dopant satisfies Equation 1, wherein, in Equation 1, ED, S1 refers to a singlet state energy level (eV) of the dopant; and ED, T1 refers to a triplet state energy level (eV) of the dopant: |ED, S1−ED, T1|≤0.2 eV. Equation 1
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