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公开(公告)号：US11056662B2
公开(公告)日：2021-07-06
申请号：US15791347
申请日：2017-10-23
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Angran Zhang , Hamada Yuji , Jinghua Niu , Xiangcheng Wang , Shuang Cheng , Run Yang
Abstract: The present application discloses an organic light-emitting device and a display device. The organic light-emitting device comprises an anode, a cathode, and a blue light emitting layer, a green light emitting layer and a red light emitting layer between the anode and the cathode, and the blue light emitting layer comprises a blue thermally-activated delayed fluorescent material with a mass percent of 60-80%, the green light emitting layer comprises a green phosphorescent material and/or a green thermally-activated delayed fluorescent material, and the red light emitting layer comprises a red phosphorescent material and/or a red thermally-activated delayed fluorescent material.
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2.发明授权公开(公告)号：US10763449B2
公开(公告)日：2020-09-01
申请号：US15677393
申请日：2017-08-15
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Huihui Ma , Xiangcheng Wang , Hongyang Ren , Jie Li , Yuji Hamada , Wei He , Chen Liu
Abstract: An OLED display panel is provided. The OLED display panel comprises a first electrode; an opposite second electrode; and a plurality of stacking layers sandwiched between the first electrode and the second electrode. The plurality of stacking layers at least comprises a first auxiliary light-emitting layer and a light-emitting layer sequentially disposed on the first electrode. The first auxiliary light-emitting layer comprises a host material and a dopant material, and the dopant material comprises a compound of the following chemical formula (I): where n is an integer equal to or larger than 1, X1, X2 and Xn+2 each independently has a chemical structure of R′ is selected from any one of a substituted aryl group and a substituted heteroaryl group, and a substituent in the substituted aryl group and a substituent in the substituted heteroaryl group each includes at least one electron acceptor group.
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公开(公告)号：US10658601B2
公开(公告)日：2020-05-19
申请号：US16220077
申请日：2018-12-14
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Shuang Cheng , Jinghua Niu , Xiangcheng Wang , Qing Zhu , Weili Qiao , Yinhe Liu , Xiaoqian Sun
Abstract: An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material>(the hole mobility of the blue host material)×102 under an electric field of 0.2 MV/cm.
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公开(公告)号：US10600851B2
公开(公告)日：2020-03-24
申请号：US16059248
申请日：2018-08-09
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Xiangcheng Wang , Jinghua Niu , Ding Li , Ping An
Abstract: An organic light-emitting display panel includes an array substrate including a plurality of driving elements; a plurality of organic light-emitting components corresponding to the plurality of driving elements; and a plurality of fingerprint identification units, where each organic light-emitting component includes an anode and a cathode, and light emitted by the organic light-emitting component emits away from the array substrate, a pixel defining layer is disposed between adjacent organic lighting emitting components, a fingerprint identification unit is disposed at a non-display area between organic light-emitting components and on a side of the pixel defining layer away from the array substrate, and a periphery of the fingerprint identification unit is provided with a light-shielding layer, and the light-shielding layer blocks the fingerprint identification unit from illumination by the light emitted by the organic light-emitting component.
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公开(公告)号：US10566577B2
公开(公告)日：2020-02-18
申请号：US15616944
申请日：2017-06-08
Inventor： Yinhe Liu , Wei He , Xiangcheng Wang , Yuji Hamada , Jinghua Niu , Qing Zhu
Abstract: An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.
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Patent Agency Ranking
公开(公告)号：US20200035931A1
公开(公告)日：2020-01-30
申请号：US16222935
申请日：2018-12-17
Applicant: Shanghai Tianma AM-OLED Co., Ltd
Inventor： Wei Gao , Xiangcheng Wang , Lei Zhang , Jinghua Niu , Yan Lu , Changxuan Fan , Gaojun Huang , Ping An
IPC: H01L51/00 , C07D495/04 , C09K11/06 , C07F5/02
Abstract: The present disclosure provides an aromatic heterocyclic compound having property of thermally activated delayed fluorescence (TADF). The aromatic heterocyclic compound has a structure represented by Formula (I), in which X1 and X2 each is S, O, Se, or C; D is an electron donor, A is an electron acceptor; m is a number of the electron donor D, and the m electron donors D are the same or different; n is a number of the electron acceptor, and the n electron acceptors are the same or different; and m and n are 1 or 2. The aromatic heterocyclic compound provides a high luminescence efficiency. Organic light-emitting display devices including such aromatic heterocyclic compound have improved luminescence efficiency, lower cost and longer service life by using the aromatic heterocyclic compound as a light-emitting material, a host material, or a guest material.
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7.发明授权公开(公告)号：US10529781B2
公开(公告)日：2020-01-07
申请号：US15596010
申请日：2017-05-16
Inventor： Xiangcheng Wang , Jinghua Niu , Wei He , Yuji Hamada , Chen Liu , Honggang Yan
IPC: H01L27/32 , G09G3/34 , H01L51/00 , H01L51/50 , H01L51/52 , G09G3/3233 , G09G3/3258 , G09G3/20
Abstract: An organic light-emitting diode (OLED) display panel and an OLED display device are provided. The (OLED) display panel includes a first substrate; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a plurality of light-emitting devices disposed on a surface of the first electrode layer far away from the first substrate and having m number of colors, where m is a positive integer; and a second electrode layer disposed on a surface of the plurality of light-emitting devices far away from the first electrode layer. One light-emitting device corresponds to one color, and given a predetermined value of brightness, the light-emitting devices of two different colors are configured to have a predetermined absolute value of a threshold voltage difference.
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公开(公告)号：US10516125B1
公开(公告)日：2019-12-24
申请号：US16155144
申请日：2018-10-09
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Xiaoxi Na , Jinghua Niu , Xiangcheng Wang , Qing Zhu , Shuang Cheng , Lei Wen , Jun Lin
Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having anode, cathode and organic functional layer. The organic functional layer includes an organic light-emitting layer, a first and second electron transmission layer and an electron injection layer. The first electron transmission layer and electron injection layer include a first dopant containing an alkaline earth metal element or a rare earth metal element. A work function φ1 of the electron injection layer and a work function φ2 of the cathode satisfy: φ1
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公开(公告)号：US10446758B2
公开(公告)日：2019-10-15
申请号：US15640582
申请日：2017-07-03
Inventor： Xiangcheng Wang , Wei He , Ying Liu , Jinghua Niu , Yuji Hamada
IPC: H01L51/00 , C07C211/54 , H01L51/50 , H01L51/52
Abstract: The present invention relates to a hole transporting material having a structure of formula (I). (1) The present invention provides a hole transporting material having at least one benzene ring with non-hydrogen substituent(s) in the formula and being capable of obtaining a suitable mobility rate without occurrence of crosstalk between pixels. (2) The hole transporting material provided by the present invention is capable of satisfying the requirements on MASK cleaning in terms of solubility (NMP solvent).
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公开(公告)号：US20190280040A1
公开(公告)日：2019-09-12
申请号：US16175997
申请日：2018-10-31
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Shuang Cheng , Jinghua Niu , Xiangcheng Wang , Qing Zhu , Honghu Ma , Jun Lin , Yinhe Liu
IPC: H01L27/146 , H01L27/15 , H01L33/00 , G06K9/00
Abstract: Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a plurality of light-emitting units and a plurality of fingerprint identification units, disposed on one side of the first substrate facing to the second substrate. Each of the plurality of light-emitting units includes a first N-type semiconductor layer and a first P-type semiconductor layer, each of the plurality of fingerprint identification units includes a second N-type semiconductor layer and a second P-type semiconductor layer. The first N-type semiconductor layer and the second N-type semiconductor layer are disposed in a same layer, and the first P-type semiconductor layer and the second P-type semiconductor layer are disposed in a same layer.
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