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公开(公告)号：US20200328363A1
公开(公告)日：2020-10-15
申请号：US16591141
申请日：2019-10-02
Applicant: WuHAN TianMA Micro-electronics Co., Ltd.
Inventor： Linshan Guo , Yinghua Mo
IPC: H01L51/00 , G06F3/041 , H01L23/498
Abstract: A display panel includes a thin film encapsulation layer which has a stack of layers: an organic encapsulation layer and an inorganic encapsulation layer covering the organic encapsulation layer; an inorganic insulation layer; also first touch electrodes; and first bridge structures. First and second recessed structures that are connected to each other are formed in the inorganic encapsulation layer and the inorganic insulation layer in one arrangement, or the first and second recessed structures are provided in the inorganic insulation layer in another arrangement. The first touch electrode and the first bridge structure are located in the first recessed structure and the second recessed structure, or the first bridge structure and the first touch electrode are located in the first recessed structure and the second recessed structure. The first touch electrode serves as a touch driving electrode or touch sensing electrode, and two first touch electrodes are electrically connected to each other through one first bridge structure.
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公开(公告)号：US11043542B2
公开(公告)日：2021-06-22
申请号：US16832958
申请日：2020-03-27
Applicant: WuHan TianMa Micro-electronics CO.,LTD
Inventor： Guofeng Zhang , Zhaokeng Cao , Linshan Guo , Tianqing Hu
Abstract: An organic light-emitting display panel and a display device are provided. The organic light-emitting display panel includes: a driving device film layer, an anode layer, a pixel definition layer, an organic light-emitting layer, a cathode layer, an encapsulation film layer, and a touch film layer that are sequentially stacked. The encapsulation film layer includes an organic encapsulation layer. The organic light-emitting display panel has a specially-shaped border area and a straight-line border area. In the cathode connection area, in a direction perpendicular to the organic light-emitting display panel, a top end of the cathode layer is higher in the specially-shaped border area than in the straight-line border area, and the top end of the cathode layer is an end of the cathode layer furthest away from the driving device film layer.
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公开(公告)号：US11037995B2
公开(公告)日：2021-06-15
申请号：US16423136
申请日：2019-05-27
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Dan Huang , Linshan Guo
Abstract: The present disclosure provides an organic light-emitting display panel and a display apparatus for improving the touch performance. The display panel includes a driving device film layer, a light-emitting device film layer, an encapsulation film layer and a touch film layer. The touch film layer includes a first touch metal layer, a touch insulation layer and a second touch metal layer that are sequentially stacked. The display panel has a display area and a non-display area. The non-display area includes a touch bonding region and a display bonding region that are located on two opposite sides of the display area. A touch connection pin is provided in the touch bonding region and located in the first touch metal layer or the second touch metal layer, and a display connection pin is provided in the display bonding region and located in the driving device film layer.
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公开(公告)号：US10978520B2
公开(公告)日：2021-04-13
申请号：US16676634
申请日：2019-11-07
Applicant: WuHan TianMa Micro-electronics Co., Ltd.
Inventor： Linshan Guo , Zhonghuan Cao , Peng Shen , Jun Yan , Zaiwu Feng
IPC: G06F3/041 , H01L27/32 , G06F3/044 , G09G3/3225 , H01L51/52
Abstract: The present disclosure provides a display device, including: an organic encapsulation layer, an area enclosed by a boundary of the organic encapsulation layer being a first area; and a first dam surrounding the display area, a second area being arranged between the first area and the first dam. A first touch lead is arranged in the second area, and a first protrusion is arranged between the first touch lead and the substrate. For the display device provided by the present disclosure, an actual width of the first touch lead is larger than a width of its projection onto the substrate. In a case of occupying a same bottom area, a resistance of the first touch lead in the present disclosure is greatly reduced, which greatly improves driving ability of the IC.
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公开(公告)号：US10732472B2
公开(公告)日：2020-08-04
申请号：US16225677
申请日：2018-12-19
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
Inventor： Linshan Guo , Tianqing Hu
IPC: G06F3/041 , G02F1/1362 , G02F1/1333 , G02F1/1335 , G06F3/047 , G06F3/044
Abstract: A display panel and a display device are provided. The display panel includes a display region and at least one notch. The display region is divided into a first display region and a second display region by a first bending axis. The first bending axis extends along a column direction. The first display region includes a first edge and a plurality of first data lines, wherein the first edge and the plurality of first data lines extend along the column direction. The first edge is recessed toward an inside of the first display region to form the at least one notch. The plurality of first data lines and the second display region are disposed on two opposite sides of the at least one notch along a row direction.
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Patent Agency Ranking
公开(公告)号：US11950481B2
公开(公告)日：2024-04-02
申请号：US17348318
申请日：2021-06-15
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Liang Hu , Ai Xiao , Linshan Guo
CPC classification number: H10K59/38 , H10K50/865
Abstract: A display panel and a display device are provided in the present disclosure. The display panel includes a substrate and an array layer disposed on a side of the substrate; a light-emitting layer, where the light-emitting layer is on a side of the array layer away from the substrate and includes a plurality of light-emitting units; and a color filter layer. The color filter layer includes a light-blocking portion and a plurality of color resist units; the plurality of color resist units is disposed corresponding to the plurality of light-emitting units; at least two color resist units of a same color have different orthographic projection shapes on a same first plane; a first plane at least includes one of a first sub-plane and a second sub-plane; the first sub-plane is a plane perpendicular to the substrate; and the second sub-plane is a plane in parallel with the substrate.
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公开(公告)号：US11088350B2
公开(公告)日：2021-08-10
申请号：US16601353
申请日：2019-10-14
Applicant: Wuhan Tianma Micro-Electronics Co., LTD.
Inventor： Linshan Guo , Peng Shen , Yuanyuan Rao , Yinghua Mo
Abstract: A display device and a method for manufacturing the same are provided. The display device has a display area and a non-display area and includes: a substrate; a driving circuit layer including pins located in the non-display area; a light-emitting device layer; a thin film encapsulation layer including a first inorganic encapsulation layer; a touch sensing unit including a touch insulation layer; and a protective layer. Projections of the first inorganic encapsulation layer and the protective layer onto the substrate have coincident edges and do not cover the pins; or projections of the first inorganic encapsulation layer and the touch insulation layer onto the substrate have same outlines and do not overlap with the pins.
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公开(公告)号：US11075359B2
公开(公告)日：2021-07-27
申请号：US16557527
申请日：2019-08-30
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Linshan Guo
Abstract: A display panel and a fabrication method for forming the display panel are provided. The fabrication method includes providing a substrate disposed with a light-emitting device, and forming a first inorganic material layer. The fabrication method also includes forming a first inorganic layer by thinning the first inorganic material layer, and forming a second inorganic layer. Moreover, the fabrication method includes forming a third layer. The third layer is disposed in a first region. Further, the fabrication method includes patterning the first inorganic layer and the second inorganic layer by a dry etching using the third layer as a mask, while simultaneously thinning the third layer. The first inorganic layer and the second inorganic layer in the first region are retained to form a first inorganic encapsulation layer and a second inorganic encapsulation layer, respectively. The third layer is thinned to form a third encapsulation layer.
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公开(公告)号：US11048371B2
公开(公告)日：2021-06-29
申请号：US16705239
申请日：2019-12-06
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Guofeng Zhang , Zhaokeng Cao , Linshan Guo , Tianqing Hu
Abstract: An organic light emitting display panel and a display device are provided. The organic light emitting display panel includes: a driving device film layer, a light emitting device film layer, an encapsulation film layer and a touch film layer that are sequentially stacked; the touch film layer includes a touch cross bridge metal layer, a touch insulation layer and a touch electrode metal layer that are sequentially stacked; the organic light emitting display panel includes a display region, and the display region includes an edge display region and a non-edge display region, and the edge display region includes a profiled edge display region; at least one of the cross bridge metal layer and the touch electrode metal layer includes a dummy metal wire and a signal metal wire. The dummy metal wire is located in the profiled edge display region.
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公开(公告)号：US11011715B2
公开(公告)日：2021-05-18
申请号：US16591141
申请日：2019-10-02
Applicant: WuHAN TianMA Micro-electronics Co., Ltd.
Inventor： Linshan Guo , Yinghua Mo
IPC: H01L51/00 , G06F3/041 , H01L23/498
Abstract: A display panel includes a thin film encapsulation layer which has a stack of layers: an organic encapsulation layer and an inorganic encapsulation layer covering the organic encapsulation layer; an inorganic insulation layer; also first touch electrodes; and first bridge structures. First and second recessed structures that are connected to each other are formed in the inorganic encapsulation layer and the inorganic insulation layer in one arrangement, or the first and second recessed structures are provided in the inorganic insulation layer in another arrangement. The first touch electrode and the first bridge structure are located in the first recessed structure and the second recessed structure, or the first bridge structure and the first touch electrode are located in the first recessed structure and the second recessed structure. The first touch electrode serves as a touch driving electrode or touch sensing electrode, and two first touch electrodes are electrically connected to each other through one first bridge structure.
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