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公开(公告)号：US20210191546A1
公开(公告)日：2021-06-24
申请号：US16840788
申请日：2020-04-06
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Guofeng ZHANG , Junqiang WANG
Abstract: A display panel and driving method, and a display device are provided. The display panel includes a base substrate, and a light adjustment layer and a touch-control layer disposed over the base substrate. The touch-control layer includes a dummy touch-control structure, and the light adjustment layer includes a first structure. At least a portion of the dummy touch-control structure and the first structure have an overlapped region in a direction perpendicular to the base substrate. The dummy touch-control structure includes a first dummy touch-control structure in the overlapped region, and the first dummy touch-control structure is in contact with the first structure. The first structure in a first state has a first light transmittance, the first structure in a second state has a second light transmittance, and the first light transmittance is greater than the second light transmittance.
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公开(公告)号：US20230097697A1
公开(公告)日：2023-03-30
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: H01L27/32 , H01L51/52 , H01L33/24 , G02F1/1333 , G02F1/1335 , H01L33/22 , G02F1/1362 , H01L27/146
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：US20180226616A1
公开(公告)日：2018-08-09
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：US20220208910A1
公开(公告)日：2022-06-30
申请号：US17216958
申请日：2021-03-30
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Guofeng ZHANG , Junqiang WANG
Abstract: The present disclosure provides a display panel having a first display area and a second display area, the display panel including: a substrate; a driving device layer on a side of the substrate, including transistors; a first electrode layer in the first display area and on a side of the driving device layer away from the substrate, including first electrodes; a first transparent part in the first display area and between the driving device layer and the first electrode layer, including first padding layers, which are electrically connected to the transistors; and a second transparent part in the first display area and between the first transparent part and the first electrodes, including second padding layers for connecting to the first padding layers, that the transistors transmit signals to the first electrodes through the first padding layers and the second padding layers.
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公开(公告)号：US20220102421A1
公开(公告)日：2022-03-31
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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Patent Agency Ranking
公开(公告)号：US20210134889A1
公开(公告)日：2021-05-06
申请号：US16818901
申请日：2020-03-13
Applicant: Wuhan Tianma Micro-Electronics Co., Ltd.
Inventor： Guofeng ZHANG , Junqiang WANG
IPC: H01L27/32
Abstract: A display panel includes a display region that includes a normal display region and a transparent display region. The normal display region and the transparent display region are connected. The transparent display region includes multiple transparent areas and multiple pixels. The transparent areas have the same shape. For two adjacent transparent areas, a shape of one transparent area has a different placement angle than a shape of another transparent area.
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公开(公告)号：US20210097936A1
公开(公告)日：2021-04-01
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: 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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公开(公告)号：US20200341518A1
公开(公告)日：2020-10-29
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：US20200251538A1
公开(公告)日：2020-08-06
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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公开(公告)号：US20200117313A1
公开(公告)日：2020-04-16
申请号：US16716447
申请日：2019-12-16
Applicant: WuHan TianMa Micro-Electronics Co., Ltd.
Inventor： Guofeng ZHANG , Hong Ding , Qijun Yao
IPC: G06F3/044
Abstract: Provided are a touch display panel and a display device. The touch display panel includes a first touch electrode, a second touch electrode, a shielding signal line, and a driving chip. The first touch electrode and the driving chip are electrically connected by a first electrode line. The first electrode line includes at least one part located in a first non-display region of the touch display panel. The second touch electrode includes a first touch sub-electrode and a second touch sub-electrode, which are connected by a first connection line. The first connection line includes at least one part located in the first non-display region. The shielding signal line includes at least one part located in the first non-display region. In the first non-display region, the first electrode line and the first connection line are isolated by the shielding signal line.
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