Abstract: A data buffer method and a device are provided. The device includes an upstream module, a downstream module and a buffer circuit which includes a plurality of storage units coupled between the upstream module and the downstream module. The data buffer method includes: performing a plurality of write/read rounds on the buffer circuit. Each of write/read rounds further includes: performing a write operation on the buffer circuit in a writing order by the upstream module and performing a read operation on the buffer circuit in a reading order by the downstream module. The writing order and the reading order in the same write/read round are different.

Abstract: A method for driving a thin film transistor (TFT) liquid crystal display (LCD) panel during a display-off period is provided for avoiding image flickering when the panel resumes image display. Flickering when resuming image display is due to charge accumulated on liquid crystals (LCs) during the display-off period. For a cell having a TFT and a LC, the method releases the accumulated charge by driving a gate electrode with a VGH voltage to turn on the TFT for a short pre-determined duration regularly over the display-off period. Over the pre-determined duration, a VCOM electrode and a source electrode of the cell are also driven with a GND voltage, thereby releasing the accumulated charge from the LC as the TFT is turned on. The remaining time in the display-off period may be advantageously used for touch sensing while avoiding flickering after image display is resumed.

Abstract: A method for driving a thin film transistor (TFT) liquid crystal display (LCD) panel during a display-off period is provided for avoiding image flickering when the panel resumes image display. Flickering when resuming image display is due to charge accumulated on liquid crystals (LCs) during the display-off period. For a cell having a TFT and a LC, the method releases the accumulated charge by driving a gate electrode with a VGH voltage to turn on the TFT for a short pre-determined duration regularly over the display-off period. Over the pre-determined duration, a VCOM electrode and a source electrode of the cell are also driven with a GND voltage, thereby releasing the accumulated charge from the LC as the TFT is turned on. The remaining time in the display-off period may be advantageously used for touch sensing while avoiding flickering after image display is resumed.

Abstract: An apparatus for driving an in-cell touch display panel includes: at least one line buffer configured to store display data; a display driver configured to receive display data from the at least one line buffer and drive a display module based on the display data; a touch controller configured to control a touch sensor to sense touching from a user; a time multiplex controller connected with the at least one line buffer, the display driver and the touch controller; and a host processor connected with the time multiplex controller and the at least one line buffer, and configured to generate display data and send the display data to the at least one line buffer. A method for driving an in-cell touch display panel is also provided.