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公开(公告)号:US10121974B2
公开(公告)日:2018-11-06
申请号:US14743217
申请日:2015-06-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Mieun Jun , Sooyon Kim , Youngkook Kim , Seokhwan Hwang , Seunggak Yang
Abstract: A condensed-cyclic compound is represented by Formula 1: where X, L1 to L3, R1 to R3, Ar1 to Ar6, c1 to c3, a1 to a2, and b1 to b3 are as defined in the specification.
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公开(公告)号:US09761809B2
公开(公告)日:2017-09-12
申请号:US14683744
申请日:2015-04-10
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Jongwoo Kim , Youngkook Kim , Seunggak Yang , Jino Lim , Hyungseok Jang , Seokhwan Hwang
IPC: H01L51/00 , C07D209/86 , C09K11/06 , C07D405/14 , C07D401/14 , C07D403/14 , H01L51/50
CPC classification number: H01L51/0061 , C07D209/86 , C07D401/14 , C07D403/14 , C07D405/14 , C09K11/06 , C09K2211/1029 , H01L51/0052 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/5056 , H01L51/5072 , H01L2251/301 , H01L2251/308
Abstract: A compound represented by Formula 1 below, and an organic light-emitting device including the compound:
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公开(公告)号:US11903310B2
公开(公告)日:2024-02-13
申请号:US16945444
申请日:2020-07-31
Applicant: Samsung Display Co., Ltd.
Inventor: Hyoungkun Kim , Samil Kho , Donghwan Kim , Jinwoong Kim , Seunggak Yang , Kwanhee Lee , Junyoung Lee
IPC: H10K85/00 , H10K85/60 , H10K50/15 , H10K50/81 , H10K101/30
CPC classification number: H10K85/6572 , H10K85/615 , H10K85/633 , H10K85/636 , H10K50/15 , H10K50/156 , H10K50/81 , H10K2101/30
Abstract: An organic light-emitting includes a first electrode having a work function greater than about 4.9 eV and less than about 5.2 eV, a second electrode facing the first electrode, an organic layer disposed between the first electrode and the second electrode and including an emission layer, a hole transport region disposed between the first electrode and the emission layer, wherein the hole transport region includes a first hole transport layer including a first hole-transporting material, and the first hole transport layer is substantially free of a p-dopant.
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公开(公告)号:US11355712B2
公开(公告)日:2022-06-07
申请号:US16272536
申请日:2019-02-11
Applicant: Samsung Display Co., Ltd.
Inventor: Jihyun Seo , Mikyung Kim , Seunggak Yang , Kwanhee Lee
Abstract: An organic light-emitting device and a display apparatus including the organic light-emitting device includes a light emitting layer having one or more host materials having unexpectedly low driving voltage, high efficiency and a long life span.
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公开(公告)号:US20210104698A1
公开(公告)日:2021-04-08
申请号:US17060532
申请日:2020-10-01
Applicant: Samsung Display Co., LTD.
Inventor: Mikyung KIM , Jaehyun Lee , Seunggak Yang , Byounghee Park , Jihyun Seo
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer disposed between the first electrode and the second electrode and includes an emission layer; and a first compound and a second compound; wherein the first compound includes a hole transport compound not including an electron transport moiety, and the second compound includes an electron transport compound including an electron transport moiety or a bipolar compound including an electron transport moiety, wherein the second compound includes deuterium.
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公开(公告)号:US20170125685A1
公开(公告)日:2017-05-04
申请号:US15174916
申请日:2016-06-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Seunggak Yang
IPC: H01L51/00
CPC classification number: H01L51/0058 , H01L51/0044 , H01L51/0054 , H01L51/0055 , H01L51/006 , H01L51/5008 , H01L51/5012
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; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an intermediate layer, wherein the emission layer includes a first compound and a second compound, each independently selected from compounds represented by Formula 1, and the intermediate layer includes a third compound and a fourth compound, each independently selected from compounds represented by Formula 2:
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公开(公告)号:US11437597B2
公开(公告)日:2022-09-06
申请号:US16594683
申请日:2019-10-07
Applicant: Samsung Display Co., Ltd.
Inventor: Jin-O Lim , Seunggak Yang , Samil Kho
Abstract: An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a
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公开(公告)号:US11158831B2
公开(公告)日:2021-10-26
申请号:US16560272
申请日:2019-09-04
Applicant: Samsung Display Co., Ltd.
Inventor: Jaehyun Lee , Mikyung Kim , Seunggak Yang , Jiwon Kwak , Namwoo Kim , Byounghee Park , Hanbyul Jang
Abstract: An organic light-emitting device is provided. The organic light-emitting device includes: an anode; a cathode; and an organic layer between the anode and the cathode and including an emission layer, wherein the emission layer includes a first emission layer including a first host, a second host, and a first dopant, and a second emission layer including a third host, a fourth host, and a second dopant, and the organic light-emitting device satisfies Equations 1 and 2.
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公开(公告)号:US10553651B2
公开(公告)日:2020-02-04
申请号:US16016145
申请日:2018-06-22
Applicant: Samsung Display Co., Ltd.
Inventor: Sanghoon Yim , Donghoon Kim , Samil Kho , Mikyung Kim , Eunkyoung Kim , Seunggak Yang , Kwanhee Lee
Abstract: An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.
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公开(公告)号:US09780313B2
公开(公告)日:2017-10-03
申请号:US14676610
申请日:2015-04-01
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Heeyeon Kim , Seunggak Yang
IPC: H01L51/00 , C07D471/04 , C07D487/04 , H01L51/50
CPC classification number: H01L51/0072 , C07D471/04 , C07D487/04 , H01L51/0085 , H01L51/5016
Abstract: A carbazole-based compound and an organic light-emitting device, the carbazole-based compound being represented by Chemical Formula 1
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