公开(公告)号：US20240355290A1

公开(公告)日：2024-10-24

申请号：US18759756

申请日：2024-06-28

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Mengmeng ZHANG

IPC分类号： G09G3/3233

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2340/0435

摘要： Provided display panel includes: a pixel circuit and a light-emitting element. The pixel circuit includes a dimming module, a drive module providing drive current for the light-emitting element and including a drive transistor, and a bias module connected between bias signal terminal and first terminal of the drive transistor and configured to perform bias adjustment on the drive transistor. A control terminal of the bias module is connected to bias control terminal, and the bias signal terminal is provided with bias signal. The pixel circuit includes working stages including at least a first and a second working stage and a second working stage, a light emission duration of the light-emitting element in the first working stage is different from that in the second working stage, and a bias signal voltage provided by the bias signal terminal in the first working stage is different from that in the second working stage.

公开(公告)号：US20240329790A1

公开(公告)日：2024-10-03

申请号：US18737405

申请日：2024-06-07

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Jia LIU ,  Zhiyong XIONG

IPC分类号： G06F3/047 ,  G06F3/041 ,  G06F3/044 ,  H10K59/40

CPC分类号： G06F3/047 ,  G06F3/0412 ,  G06F3/0446 ,  H10K59/40

摘要： Provided are a display panel and a display device. The display panel includes a plurality of touch electrode blocks and a plurality of touch wires. The plurality of touch wires are electrically connected to the plurality of touch electrode blocks correspondingly. The display panel further includes a display region and a non-display region disposed on at least one side of the display region. The plurality of touch electrode blocks are disposed in the display region. The plurality of touch wires include a plurality of first touch wires, at least part of the first touch wire is disposed in the display region, and at least two of the first touch wires are disposed in different films.

公开(公告)号：US20240329769A1

公开(公告)日：2024-10-03

申请号：US18736536

申请日：2024-06-07

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Qibing WEI ,  Peng ZHANG ,  Xingyao ZHOU

IPC分类号： G06F3/041

CPC分类号： G06F3/04164 ,  G06F3/0412

摘要： A touch display panel and a touch control display apparatus, touch display panel includes: display region and first border region, first border region includes first outer edge; first touch electrodes are at least located in the display region; contact electrodes at least are located in first border region, the contact electrodes are respectively electrically connected to first touch electrodes. The first border region includes sub-regions in extension direction of first border region. Different numbers of contact electrodes are arranged in different sub-regions. The contact electrodes include at least one electrode sub-portion. The at least one electrode sub-portion of contact electrode is located in one of the sub-regions. The contact electrodes include edge contact electrode adjacent to first outer edge. In at least one of sub-regions, line width of electrode sub-portion of edge contact electrode is minimum value in line widths of all of electrode sub-portions in sub-region.

公开(公告)号：US12087238B2

公开(公告)日：2024-09-10

申请号：US18089813

申请日：2022-12-28

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Mengmeng Zhang ,  Xingyao Zhou ,  Yue Li

IPC分类号： G09G3/3266 ,  G09G3/3275 ,  G09G3/3283

CPC分类号： G09G3/3283 ,  G09G3/3266 ,  G09G2310/0286 ,  G09G2310/08

摘要： Provided are a display panel and a driving method for a display panel. The display panel includes multiple levels of shift registers which are cascaded, a clock signal line and a trigger signal line. The display panel comprises a current display mode which comprises a current FPS, a current trigger signal and a current clock signal, where the current FPS is the same as a refresh frequency of the current trigger signal. The display panel further comprises a reference display mode which comprises a reference FPS, a reference trigger signal and a reference clock signal. An effective action duration of the current trigger signal comprises a first stage, and in the first stage, a pulse width of the current clock signal is the same as a pulse width of the reference clock signal. The current FPS is less than a reference FPS in the reference display mode.

公开(公告)号：US20240282268A1

公开(公告)日：2024-08-22

申请号：US18652392

申请日：2024-05-01

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Mengmeng ZHANG

IPC分类号： G09G3/3266 ,  G09G3/3275

CPC分类号： G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426

摘要： Provided are a display panel and a display device, where the number of pixels in a pixel row included in a first display region of the display panel is smaller than the number of pixels in a pixel row included in a second display region, a first scan line is electrically connected to one first scan control circuit, and a second scan line is electrically connected to two second scan control circuits, where in the case where the ratio of the number of pixels in the first pixel row to the number of pixels in the second pixel row is within a first preset range, smaller than a minimum value of the first preset range, or larger than a maximum value of the first preset range.

公开(公告)号：US20240257753A1

公开(公告)日：2024-08-01

申请号：US18632727

申请日：2024-04-11

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Mengmeng ZHANG

IPC分类号： G09G3/3233

CPC分类号： G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0233

摘要： A display panel includes multiple rows of pixel circuits. A pixel circuit includes a drive module, a light emission module, a data write module and a threshold compensation module. A method for driving a display panel includes: within a display frame, controlling threshold compensation modules in at least two rows of pixel circuits to be in the conduction state within the preset time interval; within the preset time interval, controlling data write modules in the at least two rows of pixel circuits to be successively turned on, and in the at least two rows of pixel circuits, controlling the conduction duration of data write modules in the previous row of pixel circuits to be less than the conduction duration of data write modules in the next row of pixel circuits.

公开(公告)号：US20240251577A1

公开(公告)日：2024-07-25

申请号：US18615263

申请日：2024-03-25

申请人： Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch ,  Wuhan Tianma Microelectronics Co., Ltd.

发明人： Nana XIONG ,  Chong QIAN ,  Mengying JIANG ,  Shengjuan LIU ,  Ning KANG

IPC分类号： H10K39/34 ,  G06V40/13 ,  G09G3/20 ,  H10K59/13 ,  H10K59/38 ,  H10K59/80 ,  H10K59/88

CPC分类号： H10K39/34 ,  G06V40/1318 ,  G09G3/20 ,  H10K59/13 ,  H10K59/38 ,  H10K59/8792 ,  H10K59/88 ,  G09G2300/0421 ,  G09G2300/08 ,  G09G2330/12 ,  G09G2354/00

摘要： A display panel and a display device are provided. The display panel includes a substrate, and sensing elements and at least one light-emitting element that are located at a side of the substrate. The sensing elements include at least one first sensing element each configured to recognize fingerprint, and further comprises at least one second sensing element and/or at least one third sensing element. The at least one second sensing element each is configured to detect color temperature of ambient light. The at least one third sensing element each is configured to monitor a lifetime of one of the at least one light-emitting element.

公开(公告)号：US20240233626A1

公开(公告)日：2024-07-11

申请号：US18611995

申请日：2024-03-21

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Mengmeng ZHANG

IPC分类号： G09G3/32

CPC分类号： G09G3/32 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2320/0247

摘要： A display panel includes a first sub-region and a second sub-region, a non-display region, a first pixel circuit in the first sub-region, a second pixel circuit in the second sub-region, a first data line at least in the first sub-region, a second data line at least in the second sub-region, and a control circuit in the non-display region and connected to the first data line and the second data line. The first data line is electrically connected to the first pixel circuit. The second data line is electrically connected to the second pixel circuit. In a first mode, a data voltage refresh frequency of the first sub-region is different from that of the second sub-region, the control circuit writes a voltage to the first data line in scanning of the first sub-region and writes a voltage to the second first data line in scanning of the second sub-region.

公开(公告)号：US12019816B2

公开(公告)日：2024-06-25

申请号：US18111900

申请日：2023-02-21

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Qibing Wei ,  Qingxia Wang ,  Peng Zhang ,  Kang Yang

IPC分类号： G06F3/041 ,  G06F3/044 ,  G06F3/047

CPC分类号： G06F3/0412 ,  G06F3/0446 ,  G06F3/047 ,  G06F2203/04103

摘要： The embodiments of the present application provide a display panel and a display device. The display panel has a display area and a non-display area, the display panel includes: a substrate, a touch component arranged on the substrate, the touch component comprising touch electrodes located in the display area and touch leads connected to the touch electrodes and located in the non-display area; and a circuit board connected to the substrate in the non-display area, the touch leads being connected between the touch electrodes and the circuit board; and wherein the non-display area has a cutting track arranged surrounding at least part of the display area, at least part of the touch leads includes first redundant winding segments and connection segments, at least part of the first redundant winding segments extend along a direction away from the circuit board and fill between the cutting track and the display area.

公开(公告)号：US20240196680A1

公开(公告)日：2024-06-13

申请号：US18582823

申请日：2024-02-21

申请人： Wuhan Tianma Microelectronics Co., Ltd. ,  Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

发明人： Huiping CHAI ,  Lin ZHANG ,  Gaojun HUANG

IPC分类号： H10K59/131 ,  H10K59/121 ,  H10K59/123 ,  H10K59/88

CPC分类号： H10K59/131 ,  H10K59/1213 ,  H10K59/123 ,  H10K59/88

摘要： Provided are an array substrate, a display panel, and a display apparatus. The array substrate includes a display region, a substrate, pixel driving circuits, and scanning signal lines. The display region includes a plurality of pixel regions. At least part of a pixel driving circuit and at least part of a scanning signal line are located in the display region and on the same side of the substrate. The scanning signal line extends in a first direction. At least part of the pixel driving circuit is located in a pixel region and includes thin-film transistors. A thin-film transistor includes a gate and a channel layer. The gate is a portion where the scanning signal line overlaps the channel layer. The array substrate further includes auxiliary signal lines. An auxiliary signal line is located in the display region and extends in the first direction.