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公开(公告)号：US10340314B2
公开(公告)日：2019-07-02
申请号：US15434159
申请日：2017-02-16
Inventor： Yuji Hamada , Wanming Hua , Xiangcheng Wang , Wei He , Jinghua Niu , Zhihong Lei
Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, and a plurality of pixel regions formed on the substrate to emit light of different colors. A pixel region includes a first electrode, a light-emitting function layer, and a second electrode, configured facing away from the substrate. The second electrode is a light-emitting side electrode of the OLED display panel. Differences in transmittances at different wavelengths of the second electrode satisfy the following equations: |T(450 nm)−T(530 nm)|≤15%, |T(610 nm)−T(530 nm)|≤15%, and |T(400 nm)−T(700 nm)|≤50%, where T(Xnm) is a transmittance at a wavelength of Xnm of the second electrode.
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公开(公告)号：US10204969B2
公开(公告)日：2019-02-12
申请号：US15869973
申请日：2018-01-12
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Shuang Cheng , Jinghua Niu , Xiangcheng Wang , Yuji Hamada
Abstract: An organic light-emitting display panel, a fabrication method thereof, and a display apparatus are provided. The organic light-emitting display panel comprises a substrate; a plurality of blocking structures disposed on the substrate, wherein a blocking structure has a first surface facing the substrate and an opposing second surface far away from the substrate; a plurality of first electrodes, wherein a first electrode is configured between adjacent blocking structures; an organic functional film layer covering at least one of the plurality of first electrodes and the plurality of blocking structures, wherein the organic functional film layer includes a light-emitting layer; and a degradation region disposed in a portion of the second surface of the blocking structure, wherein the degradation region degrades a carrier transportation in a portion of the organic functional film layer in which the portion of the organic functional film layer covers the degradation region.
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公开(公告)号：US10177344B2
公开(公告)日：2019-01-08
申请号：US15616943
申请日：2017-06-08
Inventor： Xiangcheng Wang , Jinghua Niu , Yuji Hamada , Wanming Hua , Wei He , Shuang Cheng
Abstract: A display panel and a method for manufacturing the same are disclosed. The display panel includes: a substrate, a display element located on the substrate, and a thin-film encapsulation layer located on the display element. The thin-film encapsulation layer includes at least one first encapsulation material layer and at least one second encapsulation material layer; the refractive index of the first encapsulation material layer is different from that of the second encapsulation material layer; wherein, at least one of the first encapsulation material layers is provided with a plurality of grooves; the grooves are filled with the second encapsulation material layer above the first encapsulation material layer provided with a plurality of grooves.
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公开(公告)号：US10177332B2
公开(公告)日：2019-01-08
申请号：US15717798
申请日：2017-09-27
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Xiangcheng Wang , Jinghua Niu , Yuji Hamada , Wei He , Wanming Hua , Shuang Cheng
IPC: H01L51/50
Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material and a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.
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公开(公告)号：US10170730B2
公开(公告)日：2019-01-01
申请号：US15486722
申请日：2017-04-13
Inventor： Yuji Hamada , Jinghua Niu , Wei He , Honggang Yan , Lei Lv , Xiangcheng Wang
Abstract: A vacuum evaporation device, a vacuum evaporation method, and an organic light-emitting display panel are provided. The vacuum evaporation device comprises at least a first evaporation chamber. The first evaporation chamber includes at least one first organic material evaporation source and at least one first metal evaporation source. The at least one first organic material evaporation source is configured to evaporate a first organic material, and the at least one first metal evaporation source is configured to evaporate a first metal material. The at least one first organic material evaporation source and the at least one first metal evaporation source are controlled to perform evaporation simultaneously to generate blend doping of a first organic material and a first metal material on a substrate disposed within the first evaporation chamber.
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Patent Agency Ranking
36.发明授权公开(公告)号：US10062862B2
公开(公告)日：2018-08-28
申请号：US15459445
申请日：2017-03-15
Inventor： Yuji Hamada , Zhihong Lei , Jinghua Niu , Xiangcheng Wang , Wei He , Chen Liu , Qing Zhu
CPC classification number: H01L51/5218 , H01L27/3211 , H01L27/3262 , H01L51/0021 , H01L51/0022 , H01L51/5012 , H01L51/5016 , H01L51/5212 , H01L51/5228 , H01L51/5234 , H01L51/5265 , H01L51/5275 , H01L51/56 , H01L2227/323 , H01L2251/301 , H01L2251/308 , H01L2251/5338
Abstract: The present disclosure provides an OLED display panel, an electronic device, and a manufacturing method. The OLED display panel comprises a substrate, a first electrode, a light-emitting function layer, and a second electrode including Ag or a metal alloy containing Ag. When the second electrode is made of the metal alloy containing Ag, a content of Ag in the second electrode is more than a sum of contents of all other elements in the second electrode.
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公开(公告)号：US09923150B2
公开(公告)日：2018-03-20
申请号：US15164140
申请日：2016-05-25
Inventor： Hongyang Ren , Xiangcheng Wang , Wei He
IPC: B32B9/00 , H01L29/08 , C07C211/00 , C07F7/04 , C07C255/00 , H01L51/00 , C09K11/02 , C07D413/14 , C07D417/14 , C07D401/14 , C07F7/08 , C07D413/10 , H01L51/50 , H01L51/56
CPC classification number: H01L51/0067 , C07D401/14 , C07D413/10 , C07D413/14 , C07D417/14 , C07F7/0816 , C09K11/025 , C09K11/06 , C09K2211/1074 , C09K2211/1077 , C09K2211/1081 , C09K2211/1085 , H01L51/001 , H01L51/0052 , H01L51/0056 , H01L51/0071 , H01L51/0072 , H01L51/0081 , H01L51/0085 , H01L51/0094 , H01L51/5012 , H01L51/5016 , H01L51/56
Abstract: The present disclosure provides a nitrogen-containing heterocyclic compound having general formula (I) and an organic photoelectric apparatus thereof. where A1, A2, A3, A4, A5, A6, A7, and A8 are independently selected from a hydrogen atom, at least one compound having the general formula (II) and at least one compound having the general formula (III), where Y1, Y2, and Y3 are independently selected from C and N; R3 and R4 are independently selected from C6-30 aromatic group and C2-30 heterocyclic aromatic group, wherein X is selected from any one of oxyl group (—O—), sulfhydryl group (—S—), substituted or non-substituted imino group, substituted or non-substituted methylene group, and substituted or non-substituted silicylene group; R5, R6, R7, R8, R9, R10, R11, and R12 are independently selected from hydrogen, deuterium, C1-30 alkyl group, C6-30 aromatic group, or C2-30 heterocyclic aromatic group.
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公开(公告)号：US20170301875A1
公开(公告)日：2017-10-19
申请号：US15638311
申请日：2017-06-29
Inventor： Xiangcheng Wang , Yuji Hamada , Jinghua Niu , Wei He , Shuang Cheng
CPC classification number: H01L51/5024 , H01L51/0052 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0072 , H01L51/5044 , H01L51/5056 , H01L51/508 , H01L51/5203
Abstract: An organic light-emitting display panel and an organic light-emitting display device are disclosed. The organic light-emitting display panel includes: a first electrode and a second electrode that are stacked; at least two light-emitting layers are provided between the first electrode and the second electrode, and a first auxiliary functional layer and a second auxiliary functional layer are provided between adjacent two light-emitting layers; the first auxiliary functional layer is close to the first electrode, the second auxiliary functional layer is close to the second electrode, the first auxiliary functional layer includes an electron transport-type host material, and the second auxiliary functional layer includes a hole transport-type host material;the first auxiliary functional layer includes an N-type dopant material; the second auxiliary functional layer includes a P-type dopant material.
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公开(公告)号：US11312710B2
公开(公告)日：2022-04-26
申请号：US16239546
申请日：2019-01-04
Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.
Inventor： Wei Gao , Xiangcheng Wang , Lei Zhang , Jinghua Niu , Ying Liu , Dongyang Deng , Xueqiang Luo , Ping An , Gaojun Huang
IPC: H01L51/00 , C07D409/14 , C07D405/14 , C07D471/10 , H01L51/50 , C07D413/14
Abstract: The present disclosure provides a compound having property of thermally activated delayed fluorescence (TADF) and a display device. The compound has a structure represented by Formula (I), in which X 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, m and n are integers each independently selected from 1, 2, 3, 4 or 5, and m+n≤6. The above compound provides a high luminescence efficiency. The organic light-emitting display device has advantages of improved luminescence efficiency, lower cost and long service life by using the above compound as a light-emitting material, a host material, or a guest material.
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公开(公告)号：US11171186B2
公开(公告)日：2021-11-09
申请号：US16138452
申请日：2018-09-21
Applicant: Shanghai Tianma AM-OLED Co., Ltd.
Inventor： Shuang Cheng , Xiangcheng Wang , Jinghua Niu , Qing Zhu
IPC: H01L27/32 , G02B27/09 , H01L41/187 , H01L51/52 , H01L41/09 , H01L25/16 , H01L41/04 , G02B26/00 , H01L51/00
Abstract: The present disclosure provides a light-emitting structure, a display panel, a display device, and a control method for a display panel, so as to solve the problem that the user's eyes cannot clearly see the image displayed by the display panel due to ambient light. The light-emitting structure includes a light-emitting unit and a variable reflectivity unit. The light-emitting unit includes a first electrode, a second electrode and a light-emitting layer in between. The first electrode is a transparent electrode. The variable reflectivity unit includes a piezoelectric structure and a layer of liquid reflective material between the first electrode and the piezoelectric structure. A thickness of the layer of the liquid reflective material filled between the piezoelectric structure and the first electrode is changed by deformation of the piezoelectric structure. The light-emitting structure is used to emit light for displaying the image.
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