Xiamen Tianma Micro-electronics Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Xiamen Tianma Optoelectronics Co., Ltd.

Jiancai Huang

Yumin Xu

Zhilong Zhuang

Meng Lai

Yizhi Yang

Shengpeng Hu

Lifeng Lu

Min Huang

Ying Zhang

Ming Fang

Biyun Tang

Renhui Yu

Xianyan Yang

Wenyuan Xi

Wentao Ji

Wenqiang Xiong

Yuhao Zhong

A display panel, a driving method thereof, and a display apparatus. The display panel includes a shift register circuit including shift units. The shift unit includes a first output circuit, a control circuit, and a first node. In a first mode, a display region includes a first sub-region refreshed with a first frequency and a second sub-region refreshed with a second frequency. The shift register circuit includes a first unit group and a second unit group. In some frames, the first and second unit groups output an active scanning level, and in some frames, the control circuit in a first shift unit supplies a non-enabling level to the first node at least after the first unit group outputs the active scanning level. The first shift unit is located in the second unit group and is adjacent to the first unit group.

Display panel and method for driving the same, and display apparatus

Provided are a display driving method, a display panel and a display device. The display driving method includes acquiring a to-be-displayed image; the to-be-displayed image is displayed by display pixels, and a vertical projection of each touch electrode on a plane in which the display pixels are located covers a plurality of display pixels; determining whether an area in which touch electrodes are located is in a display dark area according to the to-be-displayed image; and in response to determining that the area in which the touch electrodes are located is in the display dark area, stopping providing a touch driving signal for at least part of the touch electrodes disposed in the display dark area.

Display driving method, display panel and display device

The present disclosure provides a display panel and a display device. The display panel includes a plurality of fingerprint recognition circuits. At least one of the plurality of fingerprint recognition circuits includes a light sense signal obtaining unit and a subtracted. The light sense signal obtaining unit is configured to obtain a first light sense voltage value and a second light sense voltage value, the first light sense voltage value is related to a first power voltage value, the second light sense voltage value is related to a second power voltage value, and the first power voltage value is greater than the second power voltage value. The subtracted is configured to subtract the second light sense voltage value from the first light sense voltage value to obtain a light sense data value.

Display panel and display device

A display panel, a pressure detection method of the display panel and a display device are disclosed. The display panel includes: a plurality of pressure sensors including first and second sensing signal measurement terminals; a detection module; a first multiplexer and a second multiplexer. Each first signal inputting terminal of the first multiplexer is electrically connected to one of the first sensing signal measurement terminals. Each second signal inputting terminal of the first multiplexer is electrically connected to one of the second sensing signal measurement terminals. First and second signal outputting terminals of the first multiplexer are electrically connected to first and second detection signal terminals, respectively. The first multiplexer controls a connection between one of the first signal inputting terminals and the first detection signal terminal and a connection between one of the second signal inputting terminals and the second detection signal terminal.

Display panel, pressure detection method thereof and display device

The present disclosure provides an integrated touch-control display panel and a touch-control display device. The integrated touch-control display panel includes a first substrate and a second substrate arranged opposite to the first substrate. The first substrate and the second substrate each includes a display region and a non-display region surrounding the display region. In the display region, a plurality of touch-control driving electrodes extending along the first direction and sequentially arranged along the second direction are disposed on the first substrate, and a plurality of touch-control sensing electrodes extending along the second direction and sequentially arranged along the first direction are disposed on the second substrate. The first direction is perpendicular to the second direction. A shielding structure is disposed between two adjacent touch-control driving electrodes. The shielding structure includes a plurality of first shielding electrodes extending along the first direction and arranged along the second direction.

Integrated touch-control display panel and touch-control display device

A display panel includes a plurality of touch electrodes disposed on a first substrate, and a second pressure sensing electrode disposed on a second substrate facing the first substrate and in a grid-shape. The plurality of touch electrodes are used for touch position detection in a touch position detection period, and at least certain number of the plurality of touch electrodes are multiplexed as first pressure sensing electrodes in a touch force detection period. The orthogonal projection of the first pressure sensing electrodes on the second substrate is at least partially overlapped with the second pressure sensing electrode. Further, in the touch force detection period, the first pressure sensing electrodes and the second pressure sensing electrode are used together to detect a touch force applied on the display panel.

Touch-control display panel and display device, and driving method of display panel

A touch control display panel and a display device are provided. The touch control display panel may comprise a first touch control electrode array and a second touch control electrode array. The first touch control electrode array may include a plurality of first touch control electrodes arranged in a first direction; and the second touch control electrode array may include a plurality of second touch control electrodes arranged in a second direction different from the first direction. An orthogonal projection of a second touch control electrode onto the first touch control electrode array is at least partially overlapped with a first touch control electrode. At least one second touch control electrode is a mesh electrode including a plurality of grids, and a grid has a grid line width of d, where d&#x2264;5 &#x3bc;m.

Touch control display panel and display device

A touch control display panel and a display device are provided. The touch control display panel may comprise a first touch control electrode array including a plurality of first sub-electrodes arranged in an M1&#xd7;N1 array and a plurality of first connectors, and a second touch control electrode array including a plurality of second sub-electrodes arranged in an M2&#xd7;N2 array and a plurality of second connectors, where M1, M2, N1, and N2 is a positive integer, respectively. The first control electrode array and the second control electrode array are configured to satisfy at least one of: in the first direction, a width of the first sub-electrode being larger than a width of the first connector, and in the second direction, a width of the second sub-electrode being larger than a width of the second connector.

The disclosure provides an array substrate, a touch display panel and a driving method that employ the array substrate. A driver circuit can be disposed in a non-display region of the array substrate, and can include a first and a second shift registers. The first shift register can include a first display scan signal outputting terminal outputting a first display scan signal, and the second shift register can include a second display scan signal outputting terminal outputting a second display scan signal. The array substrate can include a touch scanning circuit having a first control terminal connected to the first display scan signal outputting terminal, and a second control terminal connected to the second display scan signal outputting terminal. During a touch period, the touch scanning circuit outputs a touch signal through the touch signal outputting terminal according to the first and second display scan signals.

Array substrate, touch display panel and driving method for array substrate

A touch-control display panel includes a touch-control electrode including a plurality of first electrodes and a plurality of second electrode overlapping with the first electrodes in insulation, a plurality of cascaded first touch-control units selectively connected with the first electrodes, and a plurality of touch-control lines selectively connected with the second electrode. The first electrodes are stripe-shaped electrodes divided into a plurality of first electrode groups, each first electrode group including n first electrodes, with n being an integer and n&#x2265;2. The first electrodes in a first electrode group are connected to a same first touch-control unit, and each of the plurality of first touch-control units respectively transmits first touch-control signals to its corresponding first electrode group. The second electrodes are arranged in a plurality of rows and columns, and each row of the second electrodes overlapping at least one first electrode with insulation.

Touch-control display panel

A touch display substrate, including: a substrate including a display region and a non-display region; a plurality of common electrode blocks spaced apart from each other; a plurality of wirings; a vertical shift circuit including a plurality of cascaded vertical shift circuit units, and each of the plurality of vertical shift circuit units is connected with wirings corresponding to a column of common electrode blocks, and is configured to sequentially output touch driving signals to the column of common electrode blocks; and a controlling IC configured to output a touch driving signal to the vertical shift circuit; wherein, the plurality of common electrode blocks are divided into n groups of common electrode blocks by columns, and the controlling IC is configured to apply scan pulse signals with different frequencies to the groups of common electrode blocks in different touch scanning time periods.

Touch display substrate

An array substrate, a touch display panel and a driving method, where a driver circuit is in a non-display region of the array substrate, and the driver circuit includes: a first shift register including a first scan signal outputting terminal, where the first shift register is configured to output a first touch scan signal from the first scan signal outputting terminal within an interval between frame scanning periods of the array substrate; and a touch scanning circuit corresponding to the first shift register and including a first scan signal inputting terminal and a touch signal outputting terminal, where the first scan signal inputting terminal of the touch scanning circuit is connected with the first scan signal outputting terminal of the first shift register, and the touch scanning circuit is configured to output a touch signal from the touch signal outputting terminal thereof according to the first touch scan signal.

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Xiamen, China

Jiancai Huang