Samsung Display Co., Ltd.

Ji Gong Lee

Hideo Yoshimura

Sang Jin Pak

Sang Kwon Ha

A method for converting a driving frequency of a touch panel includes receiving a control signal for a display porch time, changing the display porch time based on the control signal, changing a cycle of the horizontal synchronizing signal based on the changed display porch time, and generating a touch driving signal synchronized with the horizontal synchronizing signal.

Display device with touch panel and method for converting driving frequency of touch panel

A display device includes a driver connected to a display panel and transmitting scan signals or data signals to the display panel, a frame memory connected to the driver, storing image data and transmitting at least some of the image data to the driver, and a controller connected to the driver and the frame memory, generating a control signal and transmitting the control signal to the driver or the frame memory, wherein each of the sub-fields includes an address period in which the scan signals are transmitted to the respective pixel rows, the controller transmits the control signal to the driver to transmit the scan signals to the pixel rows during a current frame such that the scan signals corresponding to the current frame are transmitted after, among the image data corresponding to the current frame, the image data corresponding to the pixel rows are stored in the frame memory.

Growing community of inventors

Suwon-si, South Korea

Ji Gong Lee