A method for driving an active matrix organic light-emitting diode (AMOLED) display. The method may be used to digitally drive the AMOLED display in a way that limits the susceptibility of the AMOLED display to certain problems arising out of digital driving techniques, such as image sticking or low display lifetimes. The method involves generating compensation factors corresponding to each pixel of the display and using those compensation factors to control the illumination of the display. The aspects of the method that incorporate the operation point for generating a compensation factor may also be applied to analog driving of AMOLED displays.

A display device includes a display panel including pixels, and a driver to drive the display panel based on input image data. The driver performs a sensing operation for the pixels, to selectively perform the sensing operation by comparing grayscale values of the input image data and a reference grayscale value, to selectively perform a luminance control operation for controlling luminance of the display panel in response to a luminance control signal, and to adjust the reference grayscale value when the luminance control operation is performed.

A display device includes a pixel and a sensing channel connected to the pixel through a sensing line. The pixel includes: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line, and a second electrode connected to a second node; a second transistor including a gate electrode connected to a first scan line, a first electrode connected to a data line, and a second electrode connected to the first node; a third transistor including a gate electrode connected to a second scan line, a first electrode connected to the second node, and a second electrode connected to a third node; and a fourth transistor including a first electrode connected to the first power line and a second electrode connected to the third node. The sensing line is connected to the third node.

A first substrate of an electro-optical device is provided with a temperature detection circuit including a temperature detection element, and a first wiring line and a second wiring line of the temperature detection element are electrically connected to a first terminal and a second terminal, respectively. Between the first terminal and the second terminal, a third terminal that is not electrically connected to the temperature detection element is provided. Thus, through detection of a current at the time of applying a ground potential from a first probe and a second probe of an inspection device to the first terminal and the second terminal and applying a predetermined voltage from a third probe to the third terminal, insulation between the first terminal and the second terminal can be inspected.

According to one embodiment, a reflective liquid crystal display apparatus includes a plurality of pixels and a temperature sensor. Further, the temperature sensor included in the reflective liquid crystal display apparatus is formed in one or more regions among a plurality of pixel regions partitioned into rows and columns. The reflective liquid crystal display apparatus can thereby measure the temperature of the pixels more accurately at real time compared with the case of using a temperature sensor attached onto a heatsink.

What is disclosed are systems and methods for optical correction for correcting for non-uniformity in active matrix light emitting diode device (AMOLED) and other emissive displays, using iterative processing of images of calibration patterns including features of coarse and fine granularity to successively generate a high-resolution estimate of the panel pixel locations.

Provided is an optical compensation method for a display device including a pixel coupled between first power and second power sources. In the optical compensation method, the first voltage level of the second power source corresponding to a first luminance level is set while measuring the luminance of the display device, the second voltage level of the second power source corresponding to a second luminance level is set while measuring the luminance of the display device, the third voltage levels of the second power source for representative luminance levels including the first and second luminance levels are set based on the first and second voltage levels, and the fourth voltage levels of the second power source for the representative luminance levels according to temperature conditions are set based on the third voltage levels and temperature offsets according to the temperature conditions, under which the display device is driven.

A display device includes: a temperature distribution obtaining circuit obtaining temperature distribution on a display panel on a basis of a capacitance value signal to be output from a capacitive touch panel overlapping the display panel; and a correcting circuit correcting an input image signal on a basis of the temperature distribution on the display panel, and supplying the input image signal.

A display device includes: a pixel; a scan driver configured to supply a scan signal to the pixel through a scan line; an emission driver configured to supply an emission control signal comprising a plurality of gate-on level signals to the pixel through an emission control line in one frame, the plurality of gate-on level signals for generating emission periods of the pixel; a data driver configured to supply a data signal to the pixel through a data line; and a controller configured to control a waveform of the emission control signal, wherein a length of a first emission period of the emission periods is longer than a length of another emission period of the emission periods.

A gate driving circuit includes: a pull-up signal output end connected to an input end of a charging circuitry in a shift register unit and configured to apply a pull-up signal to the shift register unit; a pull-down signal output end connected to an input end of a resetting circuitry in the shift register unit and configured to apply a pull-down signal to the shift register unit; and a current detection circuitry connected to the pull-up signal output end and configured to detect a current value outputted by the pull-up signal output end, and/or connected to the pull-down signal output end and configured to detect a current value outputted by the pull-down signal output end. The pull-up signal output end is further configured to output the pull-up signal adjusted in accordance with the current value detected by the current detection circuitry.