According to one embodiment of the present disclosure, there is provided a DC-DC converter including a slope compensation circuit configured to generate a sawtooth-shaped compensation ramp wave to output a slope voltage, a current sensing circuit configured to receive and convert a sensing current to output the converted current, and an adder configured to receive the slope voltage and the sensing current, wherein the adder includes a sensing resistor and a sensing switch, one end of the sensing resistor is connected to the current sensing circuit and the other end of the sensing resistor is connected to the sensing switch and the slope compensation circuit, and one end of the sensing switch is connected to the sensing resistor and the slope compensation circuit and the other end of the sensing switch is connected to the ground.

A display apparatus includes a display panel including a sub-display area including an opening and a main display area including no opening, a gate driver supplying a gate signal to the display panel, and a driver controlling the gate driver, wherein the driver separates a sub-clock signal for controlling the sub-display area and a main clock signal for controlling the main display area and varies a pulse width of the sub-clock signal.

The present disclosure relates to a power management circuit including a multiplexer and a power converter, and can provide technology that implements a multiplexer selecting and outputting input power to the power management circuit and a power converter controlling input voltage of a timing controller as one integrated circuit.

The disclosure relates to a disclosed display device and a display driving method. According to an embodiment, the disclosed display device may include a display panel having a first subpixel including a light emitting element and being connected to a sensing line in the display panel for sensing a characteristic value of the first subpixel; a gate driving circuit configured to supply a scan signal to the first subpixel through a gate line in the display panel; a data driving circuit configured to supply a data voltage to the first subpixel through a data line in the display panel; and a timing controller. The timing controller may be configured to: control the gate driving circuit; determine compensation data for compensating for a deviation in the characteristic value of the first subpixel based on a first sensing voltage, a second sensing voltage, and a third sensing voltage on the sensing line; and control the data driving circuit based on the compensation data.

A light emitting display device and driving method are disclosed. A light emitting display device includes a display panel including RGBW sub-pixels; a driver configured to drive the display panel; and a timing controller configured to control the driver, wherein W peak luminance derived by the W sub-pixels is higher than a sum of RGB peak luminances derived by the RGB sub-pixels when the display panel displays an image.

A receiver of a display driver and an operating method of the receiver of the display driver are provided. The receiver of the display driver includes an input interface, an operational amplifier and a bias current control circuit. The input interface receives image data. The operational amplifier is coupled to the input interface and includes a bias current circuit. The bias current control circuit adjusts a bias current of the bias current circuit according to a data rate of the image data. The operating method is adapted to the receiver of the display driver.

The present disclosure relates to an electroluminescent display device and a method for sensing electrical characteristics thereof, and the electroluminescent display device includes a display panel including a plurality of pixels including a sensing pixel and a non-sensing pixel connected to each data line, the plurality of pixels sharing one sensing line, a sensing circuit configured to sense an electrical characteristic value of the sensing pixel based on a sensing voltage applied to the shared sensing line, and a feedback unit configured to apply a feedback voltage according to the sensing voltage applied to the shared sensing line to the data line of the non-sensing pixel.

Embodiments of the disclosure relate to a control circuit, a display device, and a method for driving a main processor. Specifically, there may be provided a control circuit, a display device, and a method for driving a main processor which may reduce power consumption in the transmission/reception circuit connected with the interface by powering off at least one of the source transmission/reception circuit or sink transmission/reception circuit electrically connected with the auxiliary channel AUX during at least a partial period of the vertical blank period.

This disclosure generally provides an input device that includes multiple sensor and display electrodes and a processing system. The processing system includes a plurality of local receivers coupled to respective ones of the sensor electrodes, where the local receivers are configured to acquire first resulting signals from the sensor electrodes. The processing system also includes a central receiver coupled to the sensor electrodes and configured to acquire second resulting signals from each of the sensor electrodes.

The invention relates to a system for displaying information to a user, comprising: an emission device arranged to emit light so as to display information to a user, the emission device being adapted to emit the light in a pulsed manner so that the intensity of the light varies between a high value and a low value, a selective viewing device comprising a panel, the panel being adapted so that the user can view the light which is emitted by the emission device through that panel so as to visually perceive the information being displayed, the panel having a variable transparency which can be varied between a state of high transparency and a state of low transparency, the system being adapted to synchronize the emission device and the selective viewing device so that the states of the emission device emitting light at a high-intensity value and the states of the panel of the selective viewing device of high transparency overlap in time, the emission device being adapted so that the light is emitted in a pulsed manner with a duty cycle of less than or equal to 1/10, wherein the panel of the selective viewing device is adapted to operate at essentially the same duty cycle.