摘要:
There is provided an apparatus for compensating for deterioration in an active matrix organic light-emitting diode. An apparatus for compensating for deterioration in an active matrix organic light-emitting diode being operated by a pixel driving unit may include: a switching control unit being synchronized with an operation of the pixel driving unit to thereby generate a switching control signal in order to compensate for deterioration in a pixel; and a switch circuit unit connected between an anode of the active matrix organic light-emitting diode and a terminal of a deterioration compensation voltage, being turned on or off according to the switching control signal from the switching control unit, and supplying the deterioration compensation voltage to the anode of the active matrix organic light-emitting diode while being turned on.
摘要:
A current limitation method of a display device includes: calculating a brightness average in each frame of an inputted image; calculating a brightness difference between successive frames of the image by using the calculated brightness average, and calculating a cumulative average brightness value by cumulating the brightness average with respect to the frames included in a frame length which is varied depending on the brightness difference; converting the cumulative average brightness value into a preset brightness adjustment value; and adjusting the brightness of the inputted image according to the brightness adjustment value.
摘要:
The present invention relates to a device for generating RGB gamma voltage and a display driving apparatus using the same. The device for generating RGB gamma voltage includes: an RGB gamma compensation voltage output unit that outputs a plurality of R, G, B gamma compensation voltage corresponding to gamma compensation data with respect to R, G, and B signals; a multiplexer that receives the R, G, and B gamma compensation voltages among the outputted gamma compensation voltages one by one and selects and outputs any one gamma compensation voltage among the R, G, and B gamma compensation voltages in accordance with an RGB selection control signal; and a multiplexer controller that generates an RGB selection control signal corresponding to an output order of the R, G, and B signals and transmits the generated signal to the multiplexer and controls the signal outputted from the multiplexer in accordance with the RGB selection control signal.
摘要:
The present invention provides an automatic brightness control device including an illuminance sensing unit for sensing an external illuminance value in real time; a brightness classifying unit for classifying the illuminance value sensed in real time by the illuminance sensing unit into two or more configured brightness levels by comparing the sensed illuminance value with a reference illuminance value; a median filter unit for filtering a median value among the brightness levels classified by the brightness classifying unit; a gamma curve selecting unit for selecting a gamma curve which corresponds to the median value filtered by the median filter unit; and an illuminance control unit for controlling illuminance according to the gamma curve selected by the gamma curve selecting unit.
摘要:
Provided is a device for detecting a double motion and a method of detecting a double motion. The device includes a sensor configured to detect a motion; a variation rate calculating part configured to calculate a variation rate of a signal output from the sensor; a detecting section control part configured to control a detecting section in reverse proportion to a value; a first motion detecting part and a second motion detecting part configured to determine that a motion occurs; and an output part configured to output a double motion result when a time between a time (t1) and a time (t2), and to output a single motion result when the time between the time (t1) and the time (t2) is larger than the detecting section. Therefore, it is possible to adjust the detecting section to the double motion according to the motion velocity.
摘要:
The present invention relates to a device for detecting motions and a method for detecting motions and includes a change rate calculation unit for calculating a change rate of signals outputted from the sensor, a decision range determination unit for determining the decision range in proportion to the change rate calculated in the change rate calculation unit, a motion decision unit for deciding the existence and inexistence of the motions from the signals outputted in the sensor based on the decision ranged determined in the decision range determination unit and an output unit for outputting the decision result of the motion decision unit.
摘要:
Disclosed herein is a selective motion recognition apparatus using an inertial sensor. The selective motion recognition apparatus using an inertial sensor includes: an sensor unit; a selection unit that outputs a sensor selection signal; and a motion detection unit that receives an angular velocity sensor data and an acceleration sensor data output from the sensor unit.
摘要:
Provided is an apparatus and method for detecting a tap. The apparatus includes a sensor configured to detect a motion and output a signal corresponding to the motion, a gradient calculating unit connected to the sensor to calculate a gradient of the output signal from the sensor, a similarity determining unit connected to the gradient calculating unit to determine a similarity between a rising gradient and a falling gradient of a curve of the output signal, a tap determining unit connected to the similarity determining unit to determine detection of a tap according to the determination result of the similarity determining unit, and an output unit configured to output the determination result of the tap determining unit.