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公开(公告)号：US12035573B2
公开(公告)日：2024-07-09
申请号：US18073393
申请日：2022-12-01
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. , Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
Inventor： Guofeng Zhang , Junqiang Wang , Jiaxin Li , Quanpeng Yu
IPC: H10K59/12 , H10K50/84 , H10K50/844 , H10K50/85 , H10K50/858 , H10K50/86 , H10K59/122 , H10K59/38 , H10K59/40 , G02F1/1333 , G02F1/1335 , G02F1/1362 , H01L27/146 , H01L33/22 , H01L33/24 , H10K102/00
CPC classification number: H10K59/122 , H10K50/844 , H10K50/858 , H10K50/865 , H10K59/38 , H10K59/40 , G02F1/133331 , G02F1/133512 , G02F1/136209 , H01L27/14678 , H01L33/22 , H01L33/24 , H10K2102/00 , H10K2102/311
Abstract: An organic light-emitting display panel has a display area and a non-display area and includes a base substrate, an organic light-emitting layer arranged at a side of the base substrate and including a plurality of light-emitting units, a pixel definition layer including a plurality of first openings, and a microlens layer arranged at a side of the pixel definition layer facing away from the base substrate and including at least one first sub-microlens. One light-emitting unit of the plurality of light-emitting units is located in one of the plurality of first openings. One first sub-microlens of the at least one first sub-microlens protrudes along a direction from the base substrate to the microlens layer. An orthogonal projection of one first sub-microlens of the at least one first sub-microlens on the base substrate overlaps with an orthogonal projection of the pixel definition layer on the base substrate.
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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：US20200312919A1
公开(公告)日：2020-10-01
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：US11374069B2
公开(公告)日：2022-06-28
申请号：US16858763
申请日：2020-04-27
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Junqiang Wang , Guofeng Zhang
Abstract: Provided are a display panel, a driving method thereof and a display device. The display panel includes a substrate, a pixel unit layer and an electrochromic layer. The pixel unit layer includes multiple pixel units arranged in an array and each pixel unit includes a main pixel region and a sub-pixel region. Along a direction facing away from the substrate, the main pixel region includes a first electrode, an organic light-emitting layer and a second electrode, and the sub-pixel region includes a third electrode and a fourth electrode. The first electrode is disposed in the same layer as the third electrode, the second electrode is disposed in the same layer as the fourth electrode, and the main pixel region is insulated from the sub-pixel region. The electrochromic layer is disposed on one side of the pixel unit layer facing away from the substrate.
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公开(公告)号：US11335741B2
公开(公告)日：2022-05-17
申请号：US16853698
申请日：2020-04-20
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Guofeng Zhang , Junqiang Wang
Abstract: Provided are a display panel and display device. The display panel includes a first display region and a second display region adjacent to the first display region. The second display region includes multiple first light-emitting elements, the first light-emitting element includes a first electrode, a second electrode and a light-emitting layer located between the first electrode and the second electrode, a direction from the light-emitting layer to the first electrode is a light exit direction of the display panel, the second electrode includes a photochromic layer, the photochromic layer includes a photochromic material, the second electrode includes a first state and a second state, and a light transmittance of the second electrode in the first state is greater than a light transmittance of the second electrode in the second state.
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Patent Agency Ranking
公开(公告)号：US10756304B2
公开(公告)日：2020-08-25
申请号：US15944600
申请日：2018-04-03
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Guofeng Zhang , Yingteng Zhai , Haijing Chen
Abstract: An organic light-emitting display panel and a display device are provided. The light-emitting display panel includes a first electrode layer including a reflective electrode, and a second electrode layer arranged opposite to the first electrode layer and including a semi-reflective electrode. The light-emitting display panel also includes a light-emitting material layer between the two electrode layers. The second electrode layer has a first side facing the light-emitting material layer and an opposing second side. Further, the light-emitting display panel includes a light-coupling layer group disposed on the opposing second side of the second electrode layer. The light-coupling layer group includes at least one light-coupling stacked layer including a first light-coupling layer arranged close to the second electrode layer and a second light-coupling layer arranged far away from the second electrode layer. A refractive index of the first light-coupling layer is larger than a refractive index of the second light-coupling layer.
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公开(公告)号：US11545530B2
公开(公告)日：2023-01-03
申请号：US16941386
申请日：2020-07-28
Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD. , WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
Inventor： Guofeng Zhang , Junqiang Wang , Jiaxin Li , Quanpeng Yu
IPC: H01L27/14 , H01L27/32 , H01L51/52 , H01L33/22 , H01L33/24 , G02F1/13 , H01L27/146 , G02F1/1333 , G02F1/1335 , G02F1/1362
Abstract: An organic light-emitting display panel having a display area and a non-display area surrounding the display area and includes a base substrate, an organic light-emitting layer, a pixel definition layer, and a microlens layer that are located in the display area is disclosed. The organic light-emitting layer is located at a side of the base substrate and includes light-emitting units. The pixel definition layer includes first openings, and each light-emitting unit is located in one of the first openings. The microlens layer is located at a side of the pixel definition layer facing away from the base substrate and includes at least one first microlens. An orthogonal projection of the first microlens on the base substrate is located between orthogonal projections of two adjacent first openings on the base substrate.
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公开(公告)号：US11489007B2
公开(公告)日：2022-11-01
申请号：US17123672
申请日：2020-12-16
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Xingxing Yang , Yangzhao Ma , Guofeng Zhang
Abstract: Display panels and display devices are provided. The display panel may include a first display area, a second display area and a third display area with a light transmittance of the first display area being greater than a light transmittance of the third display area; first pixel circuits; second pixel circuits; third pixel circuits; first light-emitting units, second light-emitting units; third light-emitting units; and first signal lines extending along a first direction and spaced apart along a second direction intersecting the first direction. Each first signal line is connected with one or more first pixel circuits, one or more second pixel circuits and one or more third pixel circuit, and the one or more first pixel circuit and the one or more third pixel circuit electrically connected to each of at least one portion of first signal lines are misaligned along the first direction.
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公开(公告)号：US10936016B2
公开(公告)日：2021-03-02
申请号：US16732058
申请日：2019-12-31
Applicant: WuHan TianMa Micro-electronics CO., LTD
Inventor： Guofeng Zhang , Yanan Wang , Zhaokeng Cao , Yongxin He , Tianqing Hu
Abstract: A rollable display device is provided, including: a flexible display panel including a plurality of edges; a fixing portion including a plurality of fixing rods for fixing some of the plurality of edges of the flexible display panel when the flexible display panel is in a second state; and a receiving portion including a cavity. In a first state, the flexible display panel is rolled and received into the cavity of the receiving portion with a first direction as an axis; and the plurality of fixing rods extends in the first direction and is received into the cavity of the receiving portion. In the second state, the flexible display panel is at least partially unrolled outside the receiving portion, and the plurality of fixing rods is located outside the cavity, extends in a second direction and supports the flexible display panel. The first direction intersects with the second direction.
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公开(公告)号：US11238799B2
公开(公告)日：2022-02-01
申请号：US16728892
申请日：2019-12-27
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Shucheng Ge , Guofeng Zhang , Junqiang Wang , Yong Yuan
IPC: G06F3/038 , G09G3/3258 , G09G3/3291 , G09G5/10
Abstract: A display panel includes a first display region and a second display region; the first display region includes first sub-pixels provided with first pixel density; and the second display region includes second sub-pixels provided with second pixel density, where the first pixel density is lower than the second pixel density. During one frame of picture display, a light-emitting phase of the first sub-pixel includes a first light-emitting period, and a light-emitting phase of the second sub-pixel includes a second light-emitting period; for same target brightness, the first sub-pixel emits light with first light-emitting brightness in the first light-emitting period, and the second sub-pixel emits light with second light-emitting brightness in the second light-emitting period, where the first light-emitting brightness is higher than the second light-emitting brightness; and the first light-emitting period is shorter than the second light-emitting period.
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