Abstract:
A flexible display device includes: a flexible display panel including a plurality of pixels, a power supply line coupled to the plurality of pixels, and at least one measuring line; a power management circuit, which supplies a power supply voltage to the plurality of pixels through the power supply line; and a display driver, which drives the flexible display panel. The display driver senses a resistance of the at least one measuring line, and detects at least one of a deformation position and a deformation amount of the flexible display panel based on the sensed resistance.
Abstract:
Disclosed is a display device which includes a display panel that includes a plurality of pixels and includes a display area displaying an image, a panel controller that receives an external input signal from an external source and generates a control signal for dividing the display area into a first area and a second area which is disposed adjacent to the first area based on the external input signal, and an instrument module that stretches the first area and the second area of the display panel in response to the control signal. The number of the pixels per unit area in the first area is different from the number of the pixels per unit area in the second area.
Abstract:
A display device includes a display panel including a plurality of pixels, a reference gray mapping table configured to store reference gray mapping information indicating gamma correction reference gray levels to which reference gray levels are mapped, a gray mapper configured to map original gray levels indicated by input data to gamma correction gray levels using the reference gray mapping information stored in the reference gray mapping table, a dither configured to generate dithered output data to represent the gamma correction gray levels using the original gray levels, where a number of bits representing each of the gamma correction gray levels is greater than a number of bits representing each of the original gray levels, and a data driver configured to drive the display panel using the dithered output data.
Abstract:
Provided is an electronic device according to an embodiment of the inventive concept may include a display panel including a plurality of pixels respectively connected to a plurality of data lines and a plurality of scan lines, a data driving circuit connected to the plurality of data lines, a scan driving circuit connected to the plurality of scan lines, and a driving controller generating image data, and controlling the data driving circuit and the scan driving circuit to display a plurality of frames at a first frequency on the display panel based on the image data, wherein at least one of the plurality of frames includes an effective interval during which an image is transmitted, a blanking interval during which the image is not transmitted, and a refresh interval operating at a second frequency different from the first frequency.
Abstract:
A display device includes a display panel including a plurality of pixels, a reference gray mapping table configured to store reference gray mapping information indicating gamma correction reference gray levels to which reference gray levels are mapped, a gray mapper configured to map original gray levels indicated by input data to gamma correction gray levels using the reference gray mapping information stored in the reference gray mapping table, a dither configured to generate dithered output data to represent the gamma correction gray levels using the original gray levels, where a number of bits representing each of the gamma correction gray levels is greater than a number of bits representing each of the original gray levels, and a data driver configured to drive the display panel using the dithered output data.
Abstract:
An image processing device includes a first filter that filters the image signal to output a first image signal, a second filter that converts the image signal corresponding to a predetermined pixel to a second image signal based on image signals corresponding to a plurality of peripheral pixels adjacent to the predetermined pixel, a third filter that filters the second image signal from the second filter to output a third image signal, a fourth filter that filters the third image signal from the third filter to output a fourth image signal, and an image synthesizer that synthesizes the first image signal from the first filter and the fourth image signal from the fourth filter.
Abstract:
An image processing controller, a display device including the image processing controller and a driving method of the display device are disclosed. In one aspect, the method includes receiving an image signal and gamma correcting the image signal into at least one main area image signal. The method also includes interpolating the main area image signal into a boundary area image signal. The method further includes dithering the main area image signal and the boundary area image signal into a data signal and providing the data signal to a display panel.
Abstract:
An image processing controller, a display device including the image processing controller and a driving method of the display device are disclosed. In one aspect, the method includes receiving an image signal and gamma correcting the image signal into at least one main area image signal. The method also includes interpolating the main area image signal into a boundary area image signal. The method further includes dithering the main area image signal and the boundary area image signal into a data signal and providing the data signal to a display panel.
Abstract:
An image processing device includes a first filter that filters the image signal to output a first image signal, a second filter that converts the image signal corresponding to a predetermined pixel to a second image signal based on image signals corresponding to a plurality of peripheral pixels adjacent to the predetermined pixel, a third filter that filters the second image signal from the second filter to output a third image signal, a fourth filter that filters the third image signal from the third filter to output a fourth image signal, and an image synthesizer that synthesizes the first image signal from the first filter and the fourth image signal from the fourth filter.
Abstract:
A gamma reference voltage generator includes a first resistor string, black voltage setters, a selector, and a second resistor string. The first resistor string receives a first reference voltage and a second reference voltage. The black voltage setters extract a plurality of black candidate voltages from the first resistor string. The selector selects one of the black candidate voltages as a black gamma voltage based on a selection signal. The second resistor string receives a first voltage corresponding to one of the black candidate voltages and a second voltage extracted from the first resistor string. In addition, the gamma reference voltage generator includes gamma voltage setters that extract a plurality of gamma voltages from the second resistor string.