Abstract:
A display device includes a display panel including a plurality of pixels each coupled to a write scan line, a compensation scan line, an initialization scan line, a bypass scan line, and a data line; and a scan driver configured to supply i (where i is a natural number) write scan pulses, compensation scan pulses, initialization scan pulses, and bypass scan pulses to the write scan line, the compensation scan line, the initialization scan line, and the bypass scan line, respectively, during a first period corresponding to one frame period, and to supply j (where j is a natural number other than i) write scan pulses to the write scan line during each of frame periods of a second period including a plurality of consecutive frame periods.
Abstract:
A display apparatus includes a display panel including a pixel to display an image based on input image data, a driving controller which determines a driving frequency of a first display area of the display panel to be a first driving frequency and determines a driving frequency of a second display area of the display panel to be a second driving frequency less than the first driving frequency when the first display area displays a moving image and the second display area of the display panel displays a still image, and an emission driver which outputs a moving image emission signal corresponding to the first driving frequency and a still image emission signal corresponding to the second driving frequency to the display panel. A width of a non-emission period of the still image emission signal is greater than a width of a non-emission period of the moving image emission signal.
Abstract:
A display device includes: a pixel unit including a pixel connected to a data line; a data driver which supplies a sensing reference voltage to the data line during a sensing period, and supplies a data signal to the data line during a display period; and a sensing unit which receives a sensing current corresponding to the sensing reference voltage during the sensing period, and generates correction data based on the supplied sensing current. The sensing unit includes a current integrator which outputs a sensing voltage based on the sensing current input thereto through a first input terminal and based on the sensing reference voltage input thereto through a second input terminal.
Abstract:
Provided is a scan driver of a display device, and the scan driver includes a driving circuit and a masking circuit. The driving circuit includes a control circuit, a first output circuit, and a second output circuit. The control circuit outputs a first control signal and a second control signal. The first output circuit is connected to a first output terminal which outputs a first scan signal and a first voltage terminal and operates in response to a first control signal. The second output circuit is connected to a first output terminal and a second voltage terminal and operates in response to a second control signal. The masking circuit outputs a second scan signal to a second output terminal in response to the first control signal and the second control signal and is connected to an input terminal to which a masking signal is supplied.
Abstract:
A display device including: a display panel including a pixel connected to a first scan line, second scan line, and data line, the pixel including: a first switch connected to the first scan line; a second switch connected to the second scan line; and a light emitting element; a low-frequency driving controller to output a power control signal having a first level in a first mode and a second power control signal having a second level in a second mode; a scan driver including first and second scan drivers to drive the first and second scan lines, wherein one of the first and second scan drivers operates in the second mode; and a data driver to operate in the second mode in response to the power control signal having the second level, wherein the data driver operates at a frequency lower than a reference frequency in the second mode.
Abstract:
A quantum-nano light emitting diode (Q-NED) pixel includes a switching transistor configured to transfer a data voltage in response to a scan signal, a storage capacitor configured to store the data voltage transferred by the switching transistor, a driving transistor coupled to a first power supply voltage line, and configured to generate a driving current based on the data voltage stored in the storage capacitor, a plurality of Q-NEDs configured to emit light based on the driving current, the Q-NEDs having an ohmic contact resistance at anodes and cathodes of the Q-NEDs, a first sensing transistor configured to couple the Q-NEDs to a sensing line in response to a sensing signal when a sensing operation for sensing the ohmic contact resistance of the Q-NEDs is performed, and a second sensing transistor configured to decouple the Q-NEDs from a second power supply line in response to an inverted sensing signal.
Abstract:
A touch sensing apparatus includes a plurality of magnetic sensor patterns coupled to a first substrate, and a plurality of conductive patterns corresponding to the magnetic sensor patterns. Each of the magnetic sensor patterns sense a change in a magnetic field caused by a touch input.
Abstract:
A display apparatus includes a display apparatus includes a display panel including a curved display area, and an optical unit including a liquid crystal layer on the curved display area, and configured to adjust a direction of light emitted from the display panel.
Abstract:
An organic light emitting display device including a scan driver configured to supply scan signals to scan lines, and configured to supply emission control signals to emission control lines, a data driver configured to supply data signals to data lines, pixels respectively including driving transistors configured to be initialized by a voltage of an initializing power source, an initializing power source generator configured to supply the voltage of the initializing power source to an initializing power source line commonly connected to the pixels, and a timing controller configured to control the scan driver, the data driver, and the initializing power source generator, wherein the initializing power source generator is configured to supply the initializing power source having different voltages during a first period in which the scan signals are supplied, and during a second period of a low frequency driving period in which the scan signals are not supplied.
Abstract:
Provided are a flexible display apparatus and a method of operating the same. The flexible display apparatus includes: a display unit that displays an image and is flexible; and a sensor for detecting an approach of an object to a bent space of the display unit while the display unit is bent. The flexible display apparatus may use a proximity touch as a user interface by detecting an approach of an object, by disposing a sensor in a region adjacent to a display unit or on the display unit.