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公开(公告)号：US11678498B2
公开(公告)日：2023-06-13
申请号：US15459258
申请日：2017-03-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hwan-Hee Cho , Myeong-Suk Kim , Sung-Wook Kim , Chang-Woong Chu
CPC classification number: H01L51/5004 , C09K11/025 , C09K11/06 , H01L51/0052 , H01L51/0054 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0094 , H01L51/508 , H01L51/5016 , H05B33/14 , H05B33/20 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/0058 , H01L51/0085 , H01L2251/5384 , H01L2251/552
Abstract: An organic light-emitting device including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including a first compound and a second compound; a hole transport region between the first electrode and the emission layer; and an electron transport region, the electron transport region including a buffer layer between the emission layer and the second electrode, the buffer layer including a third compound, and an electron transport layer between the buffer layer and the second electrode, the electron transport layer including a fourth compound, wherein, in the emission layer, the first compound is a phosphorescent host and the second compound is a phosphorescent dopant, wherein the first compound and the third compound are different from each other, wherein the first compound and the third compound each independently include both an electron transport group and a hole transport group.
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公开(公告)号：US10790452B2
公开(公告)日：2020-09-29
申请号：US14533028
申请日：2014-11-04
Applicant: SAMSUNG DISPLAY CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
Inventor： Mi-Kyung Kim , Yun-Hi Kim , Soon-Ki Kwon , Chang-Woong Chu
IPC: H01L51/00 , C07D413/14 , C07D401/14 , C07D471/04 , C07D245/04 , C07D471/14 , C07D403/14 , C09B57/10 , C09B3/14 , C09B57/00 , C09B1/00 , C09B23/14 , C09B3/00 , H01L51/50
Abstract: An antiaromatic compound and an organic light-emitting device including the same. The antiaromatic compound is represented by Formula 1:
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公开(公告)号：US10529929B2
公开(公告)日：2020-01-07
申请号：US15263140
申请日：2016-09-12
Applicant: Samsung Display Co., Ltd.
Inventor： Hwan-Hee Cho , Myeong-Suk Kim , Hee-Yeon Kim , Chang-Woong Chu
Abstract: According to one or more embodiments, 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, the organic layer including an emission layer, wherein the organic layer may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2:
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公开(公告)号：US10333077B2
公开(公告)日：2019-06-25
申请号：US14447559
申请日：2014-07-30
Applicant: Samsung Display Co., Ltd.
Inventor： Hwan-Hee Cho , Mi-Kyung Kim , Jae-Yong Lee , Dong-Hyun Kim , Se-Hun Kim , Chang-Woong Chu
Abstract: An organic light-emitting device includes: 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 emission layer includes at least one compound selected from carbazole-based compounds, and at least one compound selected from heterocyclic compounds as described in the detailed description.
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公开(公告)号：US10326080B2
公开(公告)日：2019-06-18
申请号：US15960254
申请日：2018-04-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hwan-Hee Cho , Mi-Kyung Kim , Jae-Yong Lee , Dong-Hyun Kim , Se-Hun Kim , Chang-Woong Chu
Abstract: An organic light-emitting device includes: 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 emission layer includes at least one compound selected from carbazole-based compounds, and at least one compound selected from heterocyclic compounds as described in the detailed description.
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Patent Agency Ranking
公开(公告)号：US10158086B2
公开(公告)日：2018-12-18
申请号：US14252092
申请日：2014-04-14
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hwan-Hee Cho , Mi-Kyung Kim , Se-Hun Kim , Dong-Hyun Kim , Chang-Woong Chu
Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode disposed opposite to the first electrode; an emission layer disposed between the first electrode and the second electrode, the emission layer including at least one specific light-emitting material; and a hole-transporting region disposed between the first electrode and the emission layer, the hole-transporting region including at least one specific hole-transporting material.
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公开(公告)号：US09972789B2
公开(公告)日：2018-05-15
申请号：US14598181
申请日：2015-01-15
Applicant: Samsung Display Co., Ltd.
Inventor： Hwan-Hee Cho , Mi-Kyung Kim , Jae-Yong Lee , Dong-Hyun Kim , Se-Hun Kim , Chang-Woong Chu
CPC classification number: H01L51/0072 , C09B57/00 , C09B57/008 , C09B57/10 , C09B69/008 , H01L51/0054 , H01L51/0067 , H01L51/0073 , H01L51/0074 , H01L51/0084 , H01L51/0085 , H01L51/0087 , H01L51/0088 , H01L51/5016 , H01L2251/308 , H01L2251/5384
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, the organic layer including an emission layer, where the emission layer includes a first host represented by Formula 1 and a second host represented by Formula 2: The organic light-emitting device may have high efficiency and long lifespan.
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公开(公告)号：US09853222B2
公开(公告)日：2017-12-26
申请号：US13973831
申请日：2013-08-22
Applicant: Samsung Display Co., LTD.
Inventor： Se-Hun Kim , Mi-Kyung Kim , Kwan-Hee Lee , Chang-Woong Chu
IPC: H01L51/50 , H01L51/00 , C07D471/16 , C07D491/16 , C07D495/16 , C09K11/06 , C09B57/00
CPC classification number: H01L51/0072 , C07D471/16 , C07D491/16 , C07D495/16 , C09B57/00 , C09K11/06 , C09K2211/1007 , C09K2211/1011 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1059 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0077 , H01L51/0081 , H01L51/0085 , H01L51/5016
Abstract: A condensed-cyclic compound is represented by Formula 1, and an organic light-emitting diode includes the condensed-cyclic compound. The organic light-emitting diode includes a first electrode, a second electrode facing the first electrode, and an organic layer. The organic layer includes an emission layer and the condensed-cyclic compound. The condensed-cyclic compound can be included in the emission layer as a host, and the emission layer may further include a dopant.
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公开(公告)号：US09768388B2
公开(公告)日：2017-09-19
申请号：US14326881
申请日：2014-07-09
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dong-Hyun Kim , Mi-Kyung Kim , Se-Hun Kim , Hwan-Hee Cho , Sam-Il Kho , Hyoung-Kun Kim , Chang-Woong Chu
CPC classification number: H01L51/0058 , H01L51/006 , H01L51/0072 , H01L51/5056
Abstract: An amine-based compound is represented by Formula 1 below: wherein Z11 to Z24, R1 to R4 and Ar1 are as indicated in the specification. An organic light-emitting diode includes the amine-based compound.
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公开(公告)号：US20170186964A1
公开(公告)日：2017-06-29
申请号：US15263140
申请日：2016-09-12
Applicant: Samsung Display Co., Ltd.
Inventor： Hwan-Hee Cho , Myeong-Suk Kim , Hee-Yeon Kim , Chang-Woong Chu
Abstract: According to one or more embodiments, 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, the organic layer including an emission layer, wherein the organic layer may include a first compound represented by one selected from Formulae 1-1 and 1-2, and a second compound represented by Formula 2:
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