Provided is an electronic device. The electronic device includes a housing that includes a front side and a back side, a display, an illuminance sensor overlapping at least one active area of the display in a top view from above the front side, at least one processor, and a memory. The memory stores instructions that, when executed, cause the at least one processor, while the display is in operation, to change a brightness of a screen displayed on the display, to identify display parameter information associated with the changed brightness, to set a measuring time of the illuminance sensor, based at least partially on the identified display parameter information, to acquire raw data measured during the measuring time by the illuminance sensor at a specified period, to generate intermediate data using the acquired raw data, and to calculate an illuminance value using the generated intermediate data.

Display panel, light sensing detection method thereof and display device are provided. The display panel includes a plurality of light sensing detection units. A light sensing detection unit of the plurality of light sensing detection units includes a light sensing detection circuit. The light sensing detection circuit corresponding to a same light sensing detection unit includes N light sensing detection branches connected in parallel, a light sensing detection branch of the N light sensing detection branches includes a storage capacitor, and N≥2. The N light sensing detection branches include a first light sensing detection branch and a second light sensing detection branch. The storage capacitor includes a first storage capacitor located in the first light sensing detection branch and a second storage capacitor located in the second light sensing detection branch. A capacitance of the first storage capacitor is greater than a capacitance of the second storage capacitor.

A display device includes a signal receiver configured to receive an image signal; a display including a plurality of modules each including a plurality of light sources, and display an image based on the received image signal; and a controller configured to perform first uniformity calibration between light sources within each individual module with regard to the modules, and second uniformity calibration between the modules, wherein the controller controls the first uniformity calibration to be applied to the image signal received in the signal receiver based on a first coefficient determined for each of the light sources within each individual module, controls the second uniformity calibration to be applied to the image signal subjected to the first uniformity calibration based on a second coefficient determined for each of the modules, and controls a calibrated image to be displayed based on the image signal subjected to the second uniformity calibration.

Techniques for calibrating cameras and displays are disclosed. An image of a target is captured using a camera. The target includes a tessellation having a repeated structure of tiles. The target further includes unique patterns superimposed onto the tessellation. Matrices are formed based on pixel intensities within the captured image. Each of the matrices includes values each corresponding to the pixel intensities within one of the tiles. The matrices are convolved with kernels to generate intensity maps. Each of the kernels is generated based on a corresponding unique pattern of the unique patterns. An extrema value is identified in each of the intensity maps. A location of each of the unique patterns within the image is determined based on the extrema value for each of the intensity maps. A device calibration is performed using the location of each of the unique patterns.

An example method includes programming, based on image data of a frame of a plurality of frames and during a non-emission period of the frame, pixels of a plurality of pixels of a display of a computing device; causing pixels of the plurality of pixels to emit light during an emission period of the frame, wherein an amount of light emitted by the pixels during the emission period is based on the programming; and synchronizing operation of one or more sensors and operation of the plurality of pixels by at least causing the one or more sensors to emit, during a particular portion of the emission period of the frame, electromagnetic radiation through the display.

An electronic device according to an example embodiment may include a fingerprint sensor configured to perform at least one of a fingerprint detection function of detecting a fingerprint and an illuminance measurement function of measuring an illuminance value in a light receiving area. The electronic device may include a display configured to display an image on a panel based on a changed luminance The electronic device may include a processor configured to: activate a light receiving area of at least a portion of the fingerprint sensor based on whether the display is activated, and change a luminance of the display based on an illuminance value measured from the light receiving area in an off state in which pixels arranged on a panel of the display do not display an image.

An electronic device includes a display panel having a display surface that includes a first region and a second region. The display panel outputs a first light in the first region and a second light in the second region. The first light has a first normal brightness in a first orthogonal direction and a first oblique brightness in a first inclined direction. The second light has a second normal brightness in a second orthogonal direction and a second oblique brightness in a second inclined direction. The included angles between the orthogonal directions and the corresponding inclined directions are acute angles. A ratio of a difference between the first normal brightness and the second normal brightness to the first normal brightness is less than a ratio of a difference between the first oblique brightness and the second oblique brightness to the first oblique brightness is defined as a second ratio.

The present disclosure relates to a method and a device for compensating for a luminance deviation. A difference in pixel value of the image capturing device between a first pixel and a second pixel in the screen and a difference in gray scale level between first and second gray scale levels are derived from a captured image at the first gray scale level and a captured image at the second gray scale level which include pixel values of the image capturing device. A pixel value for the second pixel is calculated from the captured image at the first gray scale level.

A display device includes a display panel including a pixel array including a plurality of pixels and a plurality of sub-pixel circuits, each pixel of the plurality of pixels including a plurality of inorganic light emitting elements and a sub-pixel circuit of the plurality of sub-pixel circuits being provided for an inorganic light emitting element of the plurality of inorganic light emitting elements, a driver configured to set the image data voltage to sub-pixel circuits included in each of the plurality of row lines in an order of the row lines, a sensing unit configured to sense a current flowing in a driving transistor included in the sub-pixel circuit based on a specific voltage applied to the sub-pixel circuit, and output sensing data corresponding to the sensed current, and a correction unit configured to correct the image data voltage applied to the sub-pixel circuit based on the sensing data.

A wearable display apparatus comprises a control unit, a display unit, an optical transmission unit and a photoelectric detection unit. The control unit is configured to control the display unit to output a display image, the light transmission unit is configured to transmit a first part of light of the display image to human eyes, and transmit a second part of the light of the display image to the photoelectric detection unit, the photoelectric detection unit is configured to send a feedback signal to the control unit; and the control unit is configured to compensate for a drift of characteristics including brightness and color according to the feedback signal from the photoelectric detection unit.