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公开(公告)号：US20190207139A1
公开(公告)日：2019-07-04
申请号：US16314736
申请日：2018-01-05
申请人： Kunshan New Flat Panel Display Technology Center Co., Ltd. , KunShan Go-Visionox Opto-Electronics Co., Ltd.
发明人： Fei Zhao , Weiwei Li , Chao Min , Zhizhong Luo
CPC分类号： H01L51/5012 , H01L51/5056 , H01L51/5092 , H01L51/52 , H01L51/5221
摘要： An electrode and an organic electroluminescent device using the same are provided. The electrode includes a first layer (1) and a second layer (2) arranged in a stacked manner. The first layer (1) is an alkaline earth metal alloy layer and the second membrane (2) has a work function of 2.0 eV to 3.5 eV.
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公开(公告)号：US11158821B2
公开(公告)日：2021-10-26
申请号：US16317491
申请日：2019-01-11
申请人： Kunshan New Flat Panel Display Technology Center Co., Ltd. , KunShan Go-Visionox Opto-Electronics Co., Ltd.
摘要： The present application provides an organic electroluminescent device and a manufacturing method thereof. A host material of a light-emitting layer of the organic electroluminescent device is co-evaporated by a donor host material and a acceptor host material in a same evaporation source to form an exciplex, which solves the technical problems such as low luminous efficiency, short service life or complicated operation process of the organic electroluminescent device in the prior art. The organic electroluminescent device according to the present application includes an anode, a cathode and a light-emitting layer disposed between the anode and the cathode, a host material of the light-emitting layer is formed by premixing a donor host material and a acceptor host material, the donor host material and the acceptor host material are co-evaporated in a same evaporation source to form an exciplex, and the host material is doped with a guest material.
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公开(公告)号：US10658603B2
公开(公告)日：2020-05-19
申请号：US16314736
申请日：2018-01-05
申请人： Kunshan New Flat Panel Display Technology Center Co., Ltd. , KunShan Go-Visionox Opto-Electronics Co., Ltd.
发明人： Fei Zhao , Weiwei Li , Chao Min , Zhizhong Luo
摘要： An electrode and an organic electroluminescent device using the same are provided. The electrode includes a first layer (1) and a second layer (2) arranged in a stacked manner. The first layer (1) is an alkaline earth metal alloy layer and the second membrane (2) has a work function of 2.0 eV to 3.5 eV.
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公开(公告)号：US10770661B2
公开(公告)日：2020-09-08
申请号：US15770730
申请日：2016-11-30
发明人： Lian Duan , Dongdong Zhang , Song Liu , Fei Zhao
IPC分类号： H01L51/50 , H01L51/00 , C07D413/14 , C07D403/14 , C07D251/24 , C07D487/04 , C09K11/06 , C07D209/88 , C07D265/38 , C07D279/28 , C07D241/48 , C07D403/10 , C07D417/14
摘要： The present invention discloses a thermally activated delayed fluorescence material and application thereof in an organic electroluminescence device. The thermally activated delayed fluorescence material is a compound having the general structure of Formula I or Formula II: In Formula I and Formula II, R1 is a cyano, p is 1, 2 or 3, q is 1, 2 or 3, m is 1 or 2, n is 1 or 2, Ar1 is a phenyl substituted with one or more groups selected from C1-6 alkyl, methoxy, ethoxy, or phenyl, Ar2 and Ar3 are selected from the following groups: and X is bromine or iodine. The present invention further discloses application of the thermally activated delayed fluorescence material as a host material or a luminescent dye of a luminescent layer of an organic electroluminescence device.
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5.发明授权公开(公告)号：US10749128B2
公开(公告)日：2020-08-18
申请号：US15745060
申请日：2016-06-15
发明人： Lian Duan , Dongxin Ma , Song Liu , Jing Xie , Fei Zhao
摘要： The present invention relates to a depositable ionic organic functional material having a structure selected from the formulas (21) to (26). The depositable ionic organic functional material can be used in high-efficiency blue to red OLEDs. The present invention also relates to an organic electroluminescent device using the depositable ionic organic functional material as a dopant in the organic light-emitting layer thereof.
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公开(公告)号：US20180175294A1
公开(公告)日：2018-06-21
申请号：US15737179
申请日：2016-06-15
发明人： Lian Duan , Dongdong Zhang , Song Liu , Jing Xie , Fei Zhao
IPC分类号： H01L51/00 , C07C211/61 , C07D221/20 , C07D413/10 , C07D413/14 , C07D403/10 , C07D417/14 , C07D487/16 , C07D403/14 , C07D241/48 , C07D417/10 , C07D209/86 , C07C317/36 , C07D219/02 , C07D265/38 , C07D487/14 , C07C255/58 , C07D209/80 , C07D285/14 , C07D417/04 , C07F3/06 , C07F3/02 , C07F1/02 , C07D471/20
CPC分类号： H01L51/006 , C07C211/61 , C07C255/58 , C07C317/36 , C07C2603/24 , C07C2603/97 , C07D209/80 , C07D209/86 , C07D219/02 , C07D221/20 , C07D241/48 , C07D265/38 , C07D285/14 , C07D403/10 , C07D403/14 , C07D413/10 , C07D413/14 , C07D417/04 , C07D417/10 , C07D417/14 , C07D471/20 , C07D487/14 , C07D487/16 , C07F1/02 , C07F3/02 , C07F3/06 , H01L51/0008 , H01L51/0052 , H01L51/0056 , H01L51/0059 , H01L51/0061 , H01L51/0067 , H01L51/0068 , H01L51/0069 , H01L51/007 , H01L51/0071 , H01L51/0072 , H01L51/0077 , H01L51/0092 , H01L51/5012 , H01L51/5016 , H01L51/5024 , H01L51/5056 , H01L51/5072 , H01L2051/0063 , H01L2251/5376 , H01L2251/5384 , H01L2251/558
摘要： Disclosed is an organic electroluminescent device, comprising a substrate and light emitting units formed in sequence on the substrate, characterized in that, each of the light emitting units comprises a first electrode layer (1), a light emitting layer (2) and a second electrode layer (3), the light emitting layer comprises a host material and a dye, the host material is made of materials having both electron transport capability and hole transport capability; at least one material in the host material has a CT excited triplet state energy level T1 greater than its n-π excited triplet state energy level S1, and T1-S1≤0.3 eV; or, at least one material in the host material has a CT excited triplet state energy level T1 greater than its n-π excited triplet state energy level S1, and T1-S1≥1 eV, with the difference between its n-π excited second triplet state energy level and its CT excited first singlet state energy level being in the range of −0.1 eV to 0.1 eV. The organic electroluminescent device configuration can sufficiently utilize the triplet state energy in the host material and the dye to increase the luminous efficiency and prolong the service life of the device.
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公开(公告)号：US11437582B2
公开(公告)日：2022-09-06
申请号：US15737179
申请日：2016-06-15
发明人： Lian Duan , Dongdong Zhang , Song Liu , Jing Xie , Fei Zhao
IPC分类号： H01L51/54 , H01L51/00 , H01L51/50 , C07C211/61 , C07C255/58 , C07C317/36 , C07D209/80 , C07D209/86 , C07D219/02 , C07D221/20 , C07D241/48 , C07D265/38 , C07D285/14 , C07D403/10 , C07D403/14 , C07D413/10 , C07D413/14 , C07D417/04 , C07D417/10 , C07D417/14 , C07D471/20 , C07D487/14 , C07D487/16 , C07F1/02 , C07F3/02 , C07F3/06
摘要： Disclosed is an organic electroluminescent device, comprising a substrate and light emitting units formed in sequence on the substrate, characterized in that, each of the light emitting units comprises a first electrode layer (1), a light emitting layer (2) and a second electrode layer (3), the light emitting layer comprises a host material and a dye, the host material is made of materials having both electron transport capability and hole transport capability; at least one material in the host material has a CT excited triplet state energy level T1 greater than its n-π excited triplet state energy level S1, and T1-S1≤0.3 eV; or, at least one material in the host material has a CT excited triplet state energy level T1 greater than its n-π excited triplet state energy level S1, and T1-S1≥1 eV, with the difference between its n-π excited second triplet state energy level and its CT excited first singlet state energy level being in the range of −0.1 eV to 0.1 eV. The organic electroluminescent device configuration can sufficiently utilize the triplet state energy in the host material and the dye to increase the luminous efficiency and prolong the service life of the device.
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