Abstract: The disclosure provides a touch detection method and apparatus for a touch display screen, wherein a time period for scanning the touch display screen within each frame comprises a display scanning phase and a touch scanning phase, the method comprising: scanning a part of the touch display screen during the touch scanning phase to detect whether there is a touch signal; and reducing a frame rate of the touch display screen and scanning the whole touch display screen when the touch signal is detected. Accordingly, the charging time of the panel is guaranteed while displaying and touch detecting functions are multiplexed.

Abstract: A display panel, a display device and a method for repairing a disconnected line. The display panel comprises a lower substrate and a repair circuit. The lower substrate comprises data lines. The repair circuit comprises a proximal repair circuit, a distal repair circuit and an amplifier circuit. An input terminal of the amplifier circuit is electrically connect to a signal input terminal of a disconnected data line, and an output terminal of the amplifier circuit is electrically connect to a terminal of the proximal repair circuit and a terminal of the distal repair circuit respectively; another terminal of the proximal repair circuit is connect to a terminal of the disconnected data line that is close to the signal input terminal, and another terminal of the distal repair circuit is connect to a terminal of the disconnected data line that is away from the signal input terminal.

Abstract: The present disclosure provides a gate turn on voltage compensating circuit, a display panel, a driving method and a display apparatus thereof. The gate turn on voltage compensating circuit includes a voltage generation module, a clock control module and a chamfering module. The voltage generation module is used for correspondingly outputting generated first voltage signal and second voltage signal to a first voltage input terminal and a second voltage input terminal of the chamfering module; the clock control module is used for controlling the chamfering module to output corresponding chamfered voltage signals in the corresponding time periods, so that the chamfering depths of gate turn on voltage signals input correspondingly to respective gate drive chips in different time periods are different.

Abstract: A display panel, a display device and a method for repairing a disconnected line. The display panel comprises a lower substrate and a repair circuit. The lower substrate comprises data lines. The repair circuit comprises a proximal repair circuit, a distal repair circuit and an amplifier circuit. An input terminal of the amplifier circuit is electrically connect to a signal input terminal of a disconnected data line, and an output terminal of the amplifier circuit is electrically connect to a terminal of the proximal repair circuit and a terminal of the distal repair circuit respectively; another terminal of the proximal repair circuit is connect to a terminal of the disconnected data line that is close to the signal input terminal, and another terminal of the distal repair circuit is connect to a terminal of the disconnected data line that is away from the signal input terminal.

Abstract: The disclosure provides a touch detection method and apparatus for a touch display screen, wherein a time period for scanning the touch display screen within each frame comprises a display scanning phase and a touch scanning phase, the method comprising: scanning a part of the touch display screen during the touch scanning phase to detect whether there is a touch signal; and reducing a frame rate of the touch display screen and scanning the whole touch display screen when the touch signal is detected. Accordingly, the charging time of the panel is guaranteed while displaying and touch detecting functions are multiplexed.

Abstract: The present disclosure provides a gate turn on voltage compensating circuit, a display panel, a driving method and a display apparatus thereof. The gate turn on voltage compensating circuit includes a voltage generation module, a clock control module and a chamfering module. The voltage generation module is used for correspondingly outputting generated first voltage signal and second voltage signal to a first voltage input terminal and a second voltage input terminal of the chamfering module; the clock control module is used for controlling the chamfering module to output corresponding chamfered voltage signals in the corresponding time periods, so that the chamfering depths of gate turn on voltage signals input correspondingly to respective gate drive chips in different time periods are different.

Abstract: A LCD panel includes an invisible zone and a visible zone. The invisible zone includes a gate driver and a wiring zone, wherein the gate driver sequentially outputs six pulse signals. By the wiring zone, a first pulse signal is converted into a first gate driving signal of the visible zone, a second pulse signal is converted into a fourth gate driving signal of the visible zone, a third pulse signal is converted into a fifth gate driving signal of the visible zone, a fourth pulse signal is converted into a second gate driving signal of the visible zone, a fifth pulse signal is converted into a third gate driving signal of the visible zone, and a sixth pulse signal is converted into a sixth gate driving signal of the visible zone.

Abstract: A LCD panel includes an invisible zone and a visible zone. The invisible zone includes a gate driver and a wiring zone, wherein the gate driver sequentially outputs six pulse signals. By the wiring zone, a first pulse signal is converted into a first gate driving signal of the visible zone, a second pulse signal is converted into a fourth gate driving signal of the visible zone, a third pulse signal is converted into a fifth gate driving signal of the visible zone, a fourth pulse signal is converted into a second gate driving signal of the visible zone, a fifth pulse signal is converted into a third gate driving signal of the visible zone, and a sixth pulse signal is converted into a sixth gate driving signal of the visible zone.

Abstract: An output buffer for a gray-scale voltage source adapted to a flat panel display such as a liquid crystal display is provided. The gray-scale voltage source provides a reference voltage for converting digital data into corresponding gray-scale voltages. The output buffer comprises a differential amplifier, a power amplifier and a feedback network. The positive input terminal of the differential amplifier is coupled to the gray-scale voltage source. The negative input terminal of the differential amplifier is coupled to a second terminal of the feedback network. The output terminal of the differential amplifier is coupled to the input terminal of the power amplifier. The output terminal of the power amplifier is coupled to a first terminal of the feedback network. The output terminal of the power amplifier also outputs the voltage from the buffered gray scale voltage source to serve as the reference voltage.