Shanghai Tianma Micro-electronics Co., Ltd.

Tianma Micro-electronics Co., Ltd.

Xu Qian

Feng Lu

Yong Wu

Wenxin Jiang

Junchao Ma

Jun Zhang

Junhui Lou

Yuan Li

Hua Gong

The present disclosure provides an organic light-emitting pixel driving circuit. The organic light-emitting pixel driving circuit includes first driving transistor, having first terminal electrically connected to first node, second terminal electrically connected to second node, and control terminal electrically connected to third node, second driving transistor, having first terminal electrically connected to the second node, second terminal electrically connected to fourth node, and control terminal electrically connected to the third node; first switch transistor, having first terminal electrically connected to data signal terminal, and second terminal electrically connected to the first node, second switch transistor, having first terminal electrically connected to the data signal terminal, and second terminal electrically connected to the fourth node; third switch transistor, having first terminal electrically connected to the third node, and second terminal electrically connected to the second node; and storage device electrically connected to the third node.

Pixel driving circuit and method, display panel and display device

A display panel, a display device, and a pressure sensing method are provided. The display panel includes a display region, a non-display region, a scanning driving circuit in the non-display region, a plurality of scanning lines extending in a first direction and being arranged in a second direction, and at least one pressure sensing unit. Each of the scanning lines is connected to one of output terminals of the scanning driving circuit and the first direction is perpendicular to the second direction. Each pressure sensing unit includes a first input terminal, a second input terminal, and a first output terminal. The first input terminal and the second input terminal are connected to different output terminals of the scanning driving circuit respectively, and the first output terminal is used for outputting a pressure sensing signal.

Display panel, display device, and pressure sensing method

The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.

Flexible display panel and flexible display device

A manufacturing method of a touch control display device is disclosed. The method includes forming a thin film transistor element layer; forming and patterning a common electrode layer on the thin film transistor element layer to form common electrodes, forming a third insulation layer on the common electrode and the thin film transistor element layer, forming and patterning a conversion layer on the third insulation layer to form conversion lines, and forming on a first via hole that exposes at least a portion of a gate line, and forming a second via hole that exposes at least a portion of the common electrode. Further, first conversion lines are electrically connected to the gate lines via the first via hole, and second conversion lines are electrically connected to the common electrode via the second via hole.

Touch control display device and manufacturing method thereof

The present disclosure relates provide a flexible display panel and a display device. The flexible display panel includes: a flexible substrate; an inorganic layer disposed on the flexible substrate; and signal lines which are arranged in parallel along a first direction and located within the inorganic layer; wherein the signal lines are electrically connected with the display units and extend along a second direction to the wiring area; the inorganic layer includes a signal line spacing area and signal line covering areas; on a plane where the flexible substrate is located, an orthographic projection of the signal line spacing area does not overlap projections of the signal lines, and orthographic projections of the signal line covering areas cover the signal lines; in a direction perpendicular to the flexible substrate, a top end of the signal line spacing area is higher than top ends of the signal line covering areas.

Flexible display panel and display device

A touch control display device is provided. The touch control device includes: a display area including a gate electrode, a plurality of gate lines, a source electrode, a drain electrode, a plurality of source lines, a plurality of conversion lines, and a plurality of common electrodes. A first via hole may be formed on the gate line and exposes at least a portion of the gate line, and a second via hole may be formed on the common electrode and exposes at least a portion of the common electrodes. The plurality of conversion lines may include a plurality of first conversion lines and a plurality of second conversion lines. The plurality of first conversion lines may be electrically connected to the plurality of gate lines via the first via hole, and the plurality of second conversion lines may be electrically connected to the plurality of common electrodes via the second via hole.

An array substrate, a drive method, a display panel and a display device are provided. The array substrate includes: a first gate line to a N-th gate line arranged along a first direction; a common electrode, partitioned into a plurality of touch-control electrodes independent from each other, where each touch-control electrode includes a plurality of sub-electrodes, and the plurality of sub-electrodes are arranged along the first direction and extend in the direction same as the gate lines; a plurality of touch-control wires; wherein among the gate lines corresponding to any touch-control electrode, the i-th gate line and the (i+1)-th gate line correspond to different sub-electrodes respectively, the sub-electrode corresponding to the i-th gate line is insulated from the sub-electrode corresponding to the (i+1)-th gate line, the sub-electrode corresponding to the i-th gate line and the sub-electrode corresponding to the (i+1)-th gate line are connected to different touch-control wires.

Array substrate, drive method, display panel and display device

An array substrate and a display panel. The array substrate includes an active region and a peripheral circuitry region surrounding the active region; a plurality of scan lines and a plurality of data lines intersected with and insulated from the scan lines; a plurality of pixel driving circuit units disposed at intersection areas between the scan lines and the data lines; a plurality of first electrodes respectively electrically connected to the plurality of pixel driving circuit units and disposed in the active region and the peripheral circuitry region of the array substrate; and a plurality of first connection lines configured to electrically connect the pixel driving circuit units to the corresponding first electrodes.

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Shanghai, China

Xu Qian