摘要:
A backlight unit includes light source units which emit light, and light source driving integrated circuits which control a brightness of the light source units, respectively. Each of the light source driving integrated circuits includes a current generator which generates a first current and a second current, a current level controller which controls a current value of the first current in response to duty ratio information of a pulse width modulation signal, a voltage supply unit which outputs a voltage corresponding to the second current, an output buffer unit which outputs the voltage from the voltage supply unit, and a driving switch unit which drives the light source units to allow a current corresponding to the voltage provided from the output buffer unit to flow through the light source units, where current values of the second current and the first current are the same as each other.
摘要:
A display device includes a driving device, which includes a signal controller which receives an input image signal and an input control signal and outputs an image data and a data control signal; a reference voltage generator which generates a first reference voltage and a second reference voltage; and a data driver which receives the image data and the data control signal from the signal controller and outputs a data voltage. The data control signal includes a first color gamma control signal, a second color gamma control signal, and a third color gamma control signal. The data driver includes a reference gamma voltage generator which receives the first reference voltage and the second reference voltage from the reference voltage generator, receives the first color, second color, and third color gamma control signals from the signal controller, and generates a reference gamma voltage according to color information of the image data.
摘要:
A backlight unit includes light source units which emit light, and light source driving integrated circuits which control a brightness of the light source units, respectively. Each of the light source driving integrated circuits includes a current generator which generates a first current and a second current, a current level controller which controls a current value of the first current in response to duty ratio information of a pulse width modulation signal, a voltage supply unit which outputs a voltage corresponding to the second current, an output buffer unit which outputs the voltage from the voltage supply unit, and a driving switch unit which drives the light source units to allow a current corresponding to the voltage provided from the output buffer unit to flow through the light source units, where current values of the second current and the first current are the same as each other.
摘要:
A display panel includes a plurality of data lines, a plurality of gate lines, a plurality of dummy loads, a pad portion and a fanout portion. The data lines are disposed in a display area, on which a plurality of pixels are disposed. The gate lines are disposed in the display area and cross the data lines. The dummy loads are disposed in a peripheral area surrounding the display area. The pad portion is disposed in the peripheral area and includes signal pads and dummy pads. The fanout portion includes a first fanout line portion connecting the data lines to the signal pads, and a second fanout line portion connecting the dummy loads to the dummy pads.
摘要:
A data processing method for a display apparatus includes comparing data signals outputted to a first data line and a second data line of a plurality of data lines of a data driving circuit in the display apparatus to generate an output buffer control signal, and outputting output signals from at least one amplifier of a plurality of amplifiers of an output buffer in the data driving circuit to the first data line and the second data line, where the at least one amplifier is selected based on the output buffer control signal.
摘要:
A display device includes a driving device, which includes a signal controller which receives an input image signal and an input control signal and outputs an image data and a data control signal; a reference voltage generator which generates a first reference voltage and a second reference voltage; and a data driver which receives the image data and the data control signal from the signal controller and outputs a data voltage. The data control signal includes a first color gamma control signal, a second color gamma control signal, and a third color gamma control signal. The data driver includes a reference gamma voltage generator which receives the first reference voltage and the second reference voltage from the reference voltage generator, receives the first color, second color, and third color gamma control signals from the signal controller, and generates a reference gamma voltage according to color information of the image data.
摘要:
A display panel includes a plurality of data lines, a plurality of gate lines, a plurality of dummy loads, a pad portion and a fanout portion. The data lines are disposed in a display area, on which a plurality of pixels are disposed. The gate lines are disposed in the display area and cross the data lines. The dummy loads are disposed in a peripheral area surrounding the display area. The pad portion is disposed in the peripheral area and includes signal pads and dummy pads. The fanout portion includes a first fanout line portion connecting the data lines to the signal pads, and a second fanout line portion connecting the dummy loads to the dummy pads.