Abstract: A clock data recovery circuit of a display suitable for recovering a clock from a clock data signal. The clock data recovery circuit includes a clock recovery circuit configured to delay an input clock through delay units of multiple stages, and output delayed clocks from the delay units, respectively; and a data recovery circuit configured to recover data of a clock data signal using a recovered clock selected among the delayed clocks.

Abstract: Disclosed is a display driving apparatus. The display driving apparatus includes a distance calculator configured to calculate, for a plurality of pixels constituting a frame input to a display panel, distances between respective pixels and a central pixel, a gain calculator configured to divide the frame constituted by the plurality of pixels into an interest area and a non-interest area using the distances between respective pixels and the central pixel, and to determine a gain of each pixel in accordance with an area where the pixel is disposed, and a gain applier configured to generate pixel data using the gain of each pixel. Gains of the pixels disposed in the interest area have a constant value. Gains of the pixels disposed in the non-interest area are decreased in proportion to distances between the pixels in the non-interest area and the central pixel, respectively.

Abstract: 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.

Abstract: In a case when a camera is disposed under a display panel, a bounded part between a camera area and a surrounding area may have a brightness difference due to a difference in pixel disposition density. The present disclosure allows minimizing such a boundary effect by compensating for greyscale values of pixels in the bounded part.

Abstract: A power circuit according to the present disclosure may include a multiplexer connected to a first power line and a second power line and selecting and outputting one of a first voltage supplied through the first power line and a second voltage supplied through the second power line. Further, the power circuit may include a first power circuit which generates a first driving voltage and a second driving voltage by using a voltage supplied from the multiplexer, recognizes whether there is the first voltage supplied through the first power line, and does not output the first driving voltage when the first voltage is not recognized.

Abstract: A voltage drop compensation system and a display driving device for compensating for a voltage drop of a display panel. The voltage drop compensation system generates a voltage drop compensation value for each of a plurality of regions into which a test image of a panel is divided, and the display driving device compensates for a voltage drop for each region of image data using the voltage drop compensation value.

Abstract: An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.

Abstract: Provided are method and apparatus methods and apparatuses for encoding an intra-prediction mode based on a secondary IPM. The present invention may comprises a first decision step of determining whether an intra-prediction mode of a current block is included in a first candidate mode set including M candidate modes (M is an integer equal to or greater than 1); a second decision step of determining whether the intra-prediction mode of the current block is included in a second candidate mode set including N candidate modes (N is an integer equal to or greater than 1) based on a first determination result representing a determination result of the first decision step; and an intra prediction mode encoding step of encoding the intra-prediction mode of the current block based on the first determination result or a second determination result representing a determination result of the second decision step.

Abstract: Disclosed is a semiconductor device including a low voltage device located on a first substrate and driven with a first level voltage, and a high voltage device located on a second substrate, driven with a second level voltage higher than the first level voltage, and coupled to the low voltage device, wherein the low voltage device includes a FinFET, wherein the high voltage device includes a planar FET.

Abstract: The voltage-controlled oscillator can include a voltage-current conversion circuit that outputs a control current corresponding to the control voltage, and a ring oscillator that generates an output signal with a frequency corresponding to the control current. According to an embodiment, by using a voltage-current conversion circuit, it is possible to design a voltage-controlled oscillator that can operate even with a relatively low supply power and have stable characteristics even when the temperature changes.

Abstract: The present disclosure relates to a data receiving device configured to receive data through a signal line connected to a data transmission device, the data receiving device may include a first circuit configured to process data received through the signal line, a second circuit configured to process a control signal received through the signal line, and a third circuit configured to control a power mode of the first circuit based on the control signal processed by the second circuit, wherein the third circuit may control the first circuit in a low power mode when not receiving the data from the first circuit and control the first circuit in a normal power mode when receiving the control signal from the second circuit.

Abstract: A hybrid dimming control device, which prevents image quality degradation during local dimming of a backlight unit, includes an analysis circuit configured to determine a type of dimming data for controlling the local dimming of a light source included in a backlight unit by analyzing the dimming data, a pulse width modulation (PWM) dimming control circuit configured to control the local dimming of the light source by a PWM method when the type of the dimming data is a first type, and an active dimming control circuit configured to convert some bits of the dimming data into an analog signal and control the local dimming of the light source using the analog signal when the type of the dimming data is a second type.

Abstract: The present disclosure discloses an IR drop compensation apparatus and method for a display panel and a display driving apparatus having an IR drop compensation function. The IR drop compensation apparatus may be configured to generate an IR drop weight based on a brightness value obtained by measuring brightness of a display panel and to adaptively adjust the IR drop weight.

Abstract: The present disclosure relates to a technology for performing a hybrid driving in order to increase accuracy of a low current driving when driving a light emitting diode and allows an LED driving circuit to perform a PWM driving when a current is low and to perform a PAM driving when a current is high and this leads to an elaborate adjustment of a grayscale.

Abstract: The present embodiment relates to a power management circuit and timing controller for a display device. The power management circuit optimizes power consumption by receiving analysis information from a timing controller capable of analyzing image data and changing an operating condition for a power conversion circuit based on the analysis information.

Abstract: A technology for transmitting a training signal with a pattern that enables high-speed data transmission in a training process performed before transmission of video data is disclosed. A method of receiving data in a display driving device according to one of the various embodiments of the present disclosure can include receiving a first training signal transmitted from a display processing device; generating a clock signal based on the first training signal; confirming a second training signal transmitted from the display processing device based on the generated clock signal; and confirming data transmitted from the display processing device based on the second training signal.

Abstract: The driving device can include a plurality of pad regions, a plurality of switching regions, and a plurality of driving regions. The plurality of pad regions can include a plurality of terminals and be disposed along a plurality of side portions of the substrate. The plurality of switching regions can include a plurality of switches and be located farther from the plurality of side portions than the plurality of pad regions. The plurality of driving regions can be disposed adjacent to the central region of the substrate. The plurality of switching regions can be located between the plurality of pad regions and the plurality of driving regions.

Abstract: Provided are method and apparatus methods and apparatuses for encoding an intra-prediction mode based on a secondary IPM. The present invention may comprises a first decision step of determining whether an intra-prediction mode of a current block is included in a first candidate mode set including M candidate modes (M is an integer equal to or greater than 1); a second decision step of determining whether the intra-prediction mode of the current block is included in a second candidate mode set including N candidate modes (N is an integer equal to or greater than 1) based on a first determination result representing a determination result of the first decision step; and an intra prediction mode encoding step of encoding the intra-prediction mode of the current block based on the first determination result or a second determination result representing a determination result of the second decision step.

Abstract: A display driving device for driving a display panel, including a gate line, a data line intersecting with the gate line, and a pixel defined by the gate line and the data line, includes a data driver inputting an image signal to the pixel through the data line, a panel test unit determining the occurrence or not of an error of the gate line or the data line, and a switching unit selectively connecting the data driver or the panel test unit to the display panel.

Abstract: The disclosure relates to a touch sensing device and a driving method thereof. A touch sensing device includes a touch driving device receiving touch sensing data from a touch sensor during a touch sensing period, a touch controller receiving the touch sensing data from the touch driving device during a display period, and a first bus connecting the touch driving device to the touch controller, wherein the touch driving device transfers the touch sensing data to the touch controller through the first bus during the display period.