Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.

Abstract: A liquid crystal display includes: a display panel; a signal controller configured to receive an input image signal and an input control signal, output an output image signal and an output control signal, and determine a charge sharing between two or more data lines having voltages in the same polarity; and a data driver configured to convert, based on the output control signal, the image signal into data voltages to be supplied to the data lines connected to the pixels, the data voltages having positive levels and negative levels. The data driver is further configured to perform a first charge sharing by short-circuiting first and second data lines that are adjacent to each other, and a second charge sharing by short-circuiting third and fourth data lines having data voltages in the same polarity, wherein the first charge sharing and the second charge sharing may not temporally overlap with each other.

Abstract: A liquid crystal display includes: a display panel including data lines, scan lines and a plurality of pixels connected to the data lines and the scan lines; a scan driver configured to supply scan signals to the scan lines; a data driver configured to supply data voltages to the data lines; and a timing controller configured to control operation timings of the scan driver and the data driver, where the timing controller is configured to output a plurality of scan output enable signals to the scan driver, and the scan driver is configured to supply odd scan signals to odd scan lines based on a first scan output enable signal of the scan output enable signals and to supply even scan signals to even scan lines based on a second scan output enable signal of the scan output enable signals.

Abstract: A method of driving a display panel includes generating a first driving period having a first driving frequency, generating a second driving period having a second driving frequency, and inserting a compensating frame between the first driving period and the second driving period. A display apparatus includes a display panel configured to display an image, and a display panel driver configured to generate a first driving period having a first driving frequency, to generate a second driving period having a second driving frequency, and to insert a compensating frame between the first driving period and the second driving period.

Abstract: A method of driving a display panel and display device including the same are disclosed. In one aspect, the method comprises providing input image data, generating a gamma reference voltage, generating a data voltage based on the gamma reference voltage and input image data, providing the data voltage to the display panel, and determining whether the input image data represents a still image or a video image. The method further comprises substantially periodically and alternately generating first and second common voltages when the input image data represents the still image, and providing the first and second common voltages to the display panel.

Abstract: A method of driving a display panel includes generating a first driving period having a first driving frequency, generating a second driving period having a second driving frequency, and inserting a compensating frame between the first driving period and the second driving period. A display apparatus includes a display panel configured to display an image, and a display panel driver configured to generate a first driving period having a first driving frequency, to generate a second driving period having a second driving frequency, and to insert a compensating frame between the first driving period and the second driving period.

Abstract: A display device may include the following elements: a touch screen unit (or touch-sensing unit) operating with a preset touch driving frequency; a display unit operating with a display driving frequency corresponding to a driving control signal; a noise analyzer determining a frequency band of a panel noise based on a feedback signal provided from the display unit, wherein the panel noise is caused by operation of the display unit; and a driving frequency controller controlling the display driving frequency such that the frequency band of the panel noise avoids the touch driving frequency.

Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.

Abstract: A user terminal device and a method for providing a web service thereof are provided. The web service providing method of a user terminal device includes connecting to a web server which provides a web service, setting at least one of a plurality of web services provided by the web server based on a user command, and transmitting information on an address of the set web service to an external IoT device.

Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.

Abstract: There is provided a scan driver including a plurality of stages coupled to respective scan lines, wherein a kth (where k is a natural number) stage of the plurality of stages includes: a first driver configured to supply a kth scan signal to a first output terminal, based on a first clock signal, and a second driver configured to supply a kth carry signal not overlapping the kth scan signal to a second output terminal, based on an inverse first clock signal.

Abstract: A data driver includes shift registers, sampling latches, holding latches, and a data sensing unit. The shift registers generate sampling pulses by shifting a source start pulse in response to a source sampling clock. Each of the sampling latches receives current data and stores the current data in response to each of the sampling pulses. Each of the holding latches receives the current data stored in each of the sampling latches, and stores the received current data in response to a source output enable signal. The data sensing unit receives the current data corresponding to an i-th sampling latch of the sampling latches or an i-th holding latch of the holding latches (i is a positive integer) and previous data stored in the i-th sampling latch or the i-th holding latch, compares the current data with the previous data, and generates control data based on the comparison result.

Abstract: A display device includes: a first switching element which transmits a first data voltage; a second switching element which transmits a second data voltage; a driving transistor connected to the first switching element and the second switching element, where the driving transistor is driven based on the first data voltage and the second data voltage; and an organic light emitting diode connected to the driving transistor, where the organic light emitting diode emits light based on an output of the driving transistor, and a driving method thereof.

Abstract: A display device includes: a processor configured to receive first image data for a display panel from an external system, determine a touch path based on a touch event generated by a touch sensor panel, and output second image data obtained by using the touch path to add overlay data to the first image data; and a control signal generating unit configured to generate a control signal for controlling an operation timing of a gate driver and a data driver, and operate in an interlace mode when the second image data is output to the display panel.

Abstract: A display apparatus includes an image analyzer that analyzes image data and outputs an interrupt signal at a period during which the image data of a low frequency change to the image data of a high frequency, a frequency detector that detects the high frequency, a frame rate controller that outputs a vertical synch signal of the high frequency in response to the interrupt signal, a polarity compensation controller that determines a last frame of the low frequency based on an interrupt period at which the interrupt signal is generated, generates a reversed polarity signal with respect to a polarity signal of the last frame and outputs the reversed polarity signal during a polarity compensation period close to the interrupt period, and a data driver circuit that outputs a data signal based on the reversed polarity signal to a data line during the polarity compensation period.

Abstract: A display device includes a display panel including a plurality of pixels, a scan driving unit configured to provide a scan signal to the pixels, a data driving unit configured to provide a data signal to the pixels, and a controller configured to provide driving frequency information to a processor, which transfers image data with a driving frequency determined based on the driving frequency information to the display device, to receive the image data with the driving frequency from the processor, and to control the scan driving unit and the data driving unit to drive the display panel with the driving frequency.

Abstract: A data driver including a power control part configured to control power according to mode signal determined based on an input image, a digital to analog converting part configured to convert a digital data signal into an analog data voltage, a buffering part configured to buffer the data voltage, a first switching part configured to apply the data voltage to a data line in a normal mode, when turned on, and a second switching part configured to apply a blank voltage to the data line in a blank period of a low frequency mode, when turned on.

Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments; generating flicker levels of respective ones of the segments; determining a frame rate of the display panel based on the flicker levels of the segments; and outputting a data voltage to the display panel at the frame rate.

Abstract: A method of driving a display panel and display device including the same are disclosed. In one aspect, the method comprises providing input image data, generating a gamma reference voltage, generating a data voltage based on the gamma reference voltage and input image data, providing the data voltage to the display panel, and determining whether the input image data represents a still image or a video image. The method further comprises substantially periodically and alternately generating first and second common voltages when the input image data represents the still image, and providing the first and second common voltages to the display panel.

Abstract: A liquid crystal display includes: a display panel including data lines, scan lines and a plurality of pixels connected to the data lines and the scan lines; a scan driver configured to supply scan signals to the scan lines; a data driver configured to supply data voltages to the data lines; and a timing controller configured to control operation timings of the scan driver and the data driver, where the timing controller is configured to output a plurality of scan output enable signals to the scan driver, and the scan driver is configured to supply odd scan signals to odd scan lines based on a first scan output enable signal of the scan output enable signals and to supply even scan signals to even scan lines based on a second scan output enable signal of the scan output enable signals.