A display device and method of operating the display device is disclosed. The display device and method accurately compensate for the degradation of subpixels by monitoring the degradation in real time using an optical electronic device located under, or at a lower portion of, a display panel and partially overlapping an optical area in the display area. Such monitoring of the degradation can be performed in real time using such an optical element or device even in a situation where the display device is used, and the compensation of the degradation can be performed in real time in accordance with the result of the monitoring.

The present disclosure relates to electronic displays and display components, specifically to a method of addressing more pixels with a smaller number of driver outputs while also allowing very narrow frames on three sides of a display. It further discloses a display driver integrated circuit capable of providing the signals required for the disclosed addressing method and display systems capable of being addressed by the disclosed method and display driver integrated circuit.

A handheld imaging device has a data receiver that is configured to receive reference encoded image data. The data includes reference code values, which are encoded by an external coding system. The reference code values represent reference gray levels, which are being selected using a reference grayscale display function that is based on perceptual non-linearity of human vision adapted at different light levels to spatial frequencies. The imaging device also has a data converter that is configured to access a code mapping between the reference code values and device-specific code values of the imaging device. The device-specific code values are configured to produce gray levels that are specific to the imaging device. Based on the code mapping, the data converter is configured to transcode the reference encoded image data into device-specific image data, which is encoded with the device-specific code values.

A degradation compensator including a compensation factor determiner configured to determine a compensation factor based on a distance between adjacent sub-pixels, and a data compensator configured to apply the compensation factor to a stress compensation weight to generate compensation data for compensating image data.

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 and a control circuit configured to process a signal for the display panel. The control circuit is configured to acquire respective gray levels specifying brightness for a plurality of subpixels in one subpixel row, determine correction amounts to the gray levels for the plurality of subpixels based on distribution of the gray levels and the individual gray levels for the plurality of subpixels, and correct the gray levels for the plurality of subpixels by the correction amounts.

A display device includes: a pixel unit including pixels connected to data lines and scan lines, and signal output lines, where at least one signal output line of the signal output lines is connected to each of the scan lines through a contact point; a data driver disposed at one side of the pixel unit to drive the data lines; a scan driver disposed at the one side of the pixel unit together with the data driver to drive the scan lines; and a timing controller controlling the data driver and the scan driver. The data driver includes: output buffers outputting data signals to the data lines, respectively; and a slew rate controller adjusting a slew rate of the data signals by controlling a bias value supplied to the output buffers in units of pixel rows based on positions of the pixels and a change in the data signals.

A display controller, comprising a 3D_LUT random access memory, which stores at least a 3D Lookup table; and a display control processing unit, comprising: a computing unit, a register, a color signal booster, and a color signal attenuator; wherein after input color signals are received by the color signal booster, and the color signal booster amplifies color signals by a first predetermined factor, wherein the computing unit calculates the address of the 3D Lookup table, and loads the 3D Lookup table from the 3D_LUT random access memory according to the register, wherein the color signal attenuator attenuates color signals by a second predetermined factor. The present disclosure significantly increases the precision of color conversion from one RGB color space to another RGB color space, and does not increase the RAM cost, since the cost of multiplying or dividing by power of 2, for example, is limited.

Circuitry for adjusting luminance of a display device is provided. The circuitry includes a non-volatile memory array having a plurality memory cells configured to store luminance data of the display device, and a luminance adjusting circuit configured to receive image data to be displayed on the display device. The luminance adjusting circuit is coupled directly to the non-volatile memory array to receive the luminance data of the display device from the non-volatile memory array and adjust the image data based on the luminance data of the display device.

A display device includes: pixels connected to corresponding scan lines, control lines, data lines, and sensing lines, a scan driver which supplies a scan signal to the scan lines, and supplies a control signal to the corresponding control lines, a data driver which supplies one of an image data signal and a sensing data signal to the corresponding data lines, and a sensing driver which senses characteristics of driving transistors of different pixels of the pixels in a previous sensing period and a current sensing period, and determines a final sensing value of a target pixel of the pixels in the current sensing period, based on a difference between a previous sensing value of the target pixel, which is determined based on the sensing in the previous sensing period, and a preliminary sensing value of the target pixel, which is calculated based on the sensing in the current sensing period.