An organic light emitting diode display device calculates a cumulative current of each of the plurality of pixels, calculates a consumed current consumed by each of the plurality of pixels during a reproduction period of the image, estimates an expected deterioration time of each of the pixels based on a difference between the cumulative current and the consumed current, and operates the display unit in a normal output mode as an image output mode when a number of pixels expected to burn in among the plurality of pixels based on the estimated expected deterioration time is less than a preset number.

According to an embodiment of the disclosure, an electronic apparatus may include: a display configured to display an image; and a processor configured to: adjust, for each of sub areas having a specified size in an image quality degradation anticipation area of an image, a pixel value of at least one adjustment pixel among a plurality of pixels included in each sub area, and change the adjustment pixel into another pixel among the plurality of pixels, while maintaining a representative value of the plurality of pixels included in each sub area.

A method and device for monitoring luminous intensity of display pixel is provided. The device includes self-luminous LED display, optical glue, photo-detecting array film and processing chip. The optical glue is attached to lower surface of the self-luminous LED display. The photo-detecting array film is disposed under the optical glue. The self-luminous LED display includes display pixels. Each display pixel includes a luminescent layer. The refractive index of the optical glue is smaller than that of the cover glass. The device uses the optical glue to filter the reflected light in the effective area corresponding to each display pixel. After that, the processing chip calculates the luminous intensity of the display pixel according to the first reflected optical signal detected by the photo-detecting array film. When it is determined that the luminous intensity of the display pixel is not changed in the preset period, a feedback signal is transmitted.

An electronic device and method are disclosed herein. The electronic device includes a display, a biometric sensor, and at least one processor. The processor implements the method, including: when a touch input is detected to the display within the biometric sensing area, increase a brightness of a first pixel group within the biometric sensing area to a first brightness level, and execute at least one of maintaining and changing display of a second pixel group outside the biometric sensing area and, wherein the at least one of maintaining and changing display of the second pixel group includes one of: executing a black state in which display through the second pixel group is disabled, and changing a display attribute for the second pixel group such that a load on the second pixel group is reduced.

A display device is provided. The device comprises a pixel array, a scanning circuit configured to select a row in the pixel array, and a signal output circuit configured to supply image signals to pixels arranged in the row selected by the scanning circuit. The device displays an image using pixels arranged between an initial line on one side in the pixel array and an end line succeeding the initial line on the other side. The scanning circuit includes a start designation circuit configured to designate the initial line, an end designation circuit configured to designate the end line and a shift register. The shift register is configured to start selection for writing the image signals from the initial line and sequentially select the rows between the initial line and the end line in one frame period for displaying one image.

The present disclosure provides a display device that includes a preprocessor, a controller, and a display panel. The preprocessor includes an area determiner outputting area data, a modulator outputting modulated data, and a synthesizer converting first image data and outputting second image data including the area data and the modulated data.

A display device includes a display and a controller. The controller may obtain whether at least two or more thumbnail images of the plurality of thumbnail images are identical, and control to display the plurality of photo images on the display by executing the slide show in a deterioration prevention mode from among a normal mode and the deterioration prevention mode when the at least two or more thumbnail images of the plurality of thumbnail images are identical.

An image display device of the present invention comprises a display and a power supply unit, and the power supply unit comprises: a first voltage detection unit that detects an input AC voltage by using a first resistance element; a second voltage detection unit that detects an input AC voltage by using a differential circuit having a capacitor element and a second resistance element; a converter that converts the level of the input voltage on the basis of a switching operation of a switching element so as to output a DC voltage; and a control unit that may control the switching element in the converter to be turned on, on the basis of a first signal detected by the first voltage detection unit or a second signal detected by the second voltage detection unit. As such, the present invention operates stably even when an AC voltage of a square wave is applied.

A display device includes pixels; an image converter which generates a second image by correcting grayscales of a logo among a first image for the pixels; and a data driver which provides data voltages corresponding to the second image to the pixels. The image converter generates first accumulated data by accumulating first map data corresponding to a logo area larger than the logo among the first image during a plurality of frame periods, generates second accumulated data by scaling the first accumulated data every refresh cycle, generates third accumulated data by initializing values smaller than a first threshold value among the second accumulated data to be a background value, and specifies pixels corresponding to the logo based on second map data corresponding to the third accumulated data.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for compensating an image to be shown on a display including an array of light-emitting pixels and a sensor arranged to receive light transmitted by adjacent light-emitting pixels. A method includes collecting, from the sensor, a luminance of light received by the sensor during an emission-on period, and a luminance of light received by the sensor during an emission-off period. The method includes calculating, by comparing the luminance during the emission-on period to the luminance during the emission-off period, a luminance of light internally reflected from the adjacent pixels and received by the sensor during the emission-on period. The method includes determining that an error between the luminance of light internally reflected and a reference luminance equals or exceeds a threshold error, and adjusting a driving voltage for driving the pixels to reduce the error.