Anapass Inc.

Joon Bae Park

Jun Young Jang

Do Wan Kim

Hyun Seung Lee

Dong Joon Lee

Jong Hwa Lee

Woo Hyoung Seo

Ha Sun Song

Jin Up Lim

In Soo Lee

Sang June Kim

A display device for displaying an image, includes: a data line driver which includes a buffer configured to supply a reference voltage to a load including pixels and a boost circuit configured to supply a charging voltage to the load including the pixels; and a calibration unit which controls the boost circuit to supply the charging voltage to the load for a driving time and controls the driving time according to a difference between a target voltage and a voltage formed after charge sharing is performed in the load to which the charging voltage is supplied.

Display device and method of calibrating driving time of boost circuit

A method of calibrating a boost circuit includes: resetting a load to a reference voltage; supplying a charging voltage to the load through a boost circuit for a driving time such that charge sharing is performed in the load; comparing a voltage of the load after the charge sharing with a target voltage; and adjusting a duration of the driving time according to a result of the comparing.

A method for driving a display, a display device, and a source driver. The method includes receiving and storing data obtained by dividing and compressing an image frame, decompressing the data, scanning the decompressed data, storing a result of the scanning, and displaying an image corresponding to the scan result.

Method of driving display, display device, and source driver

Disclosed is a method for driving a display. The method includes calculating differences between digital codes corresponding to grayscale voltages each provided to pixels connected to the same data line and gate lines which are sequentially driven, summing digital code differences of a threshold value or more, generating a compensation code corresponding to the summation result, and providing grayscale voltages compensated with the compensation code to pixels of which digital codes have a difference of less than the threshold value.

Device and method for driving display

A communication method according to the present embodiment is a communication method between a first side and a second side operating with a clock provided by the first side, and includes a phase calibration step, a step of transmitting a command packet to the second side by the first side, and a data transmission and reception step of transceiving data packets according to the command packet between the first side and the second side. The phase calibration step is performed to calibrate phases of a transmit sampling clock of the first side and a receive sampling clock of the first side.

Bidirectional communication method and bidirectional communication apparatus using the same

Disclosed are an apparatus for detecting touch and a method for detecting touch with reduced effect of noise. The apparatus includes a signal source configured to generate a variable frequency signal changed from a starting frequency to an ending frequency, a touch panel including a plurality of driving electrodes and a plurality of sensing electrodes, wherein the variable phase signal is applied to one of the plurality of driving electrodes, and the sensing electrode outputs a touch signal that is modulated by the variable frequency signal, a demodulation unit configured to demodulate the touch signal using the variable frequency signal, and an accumulation unit configured to accumulate the demodulated touch signal to detect the touch.

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Seoul, South Korea

Joon Bae Park