Control of display operating conditions

GPHYSICS G09Cryptography, education, displays G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION

G09G2320/00Control of display operating conditions

G09G2320/02Improving the quality of display appearance G09G2320/0204Compensation of DC component across the pixels in flat panels G09G2320/0209Crosstalk reduction, i.e. to reduce direct or indirect influences of signals directed to a certain pixel of the displayed image on other pixels of said image, inclusive of influences affecting pixels in different frames or fields or sub-images which constitute a same image G09G2320/0214with crosstalk due to leakage current of pixel switch in active matrix panels G09G2320/0219Reducing feedthrough effects in active matrix panels G09G2320/0223Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels G09G2320/0228Increasing the driving margin in plasma displays G09G2320/0233Improving the luminance or brightness uniformity across the screen G09G2320/0238Improving the black level G09G2320/0242Compensation of deficiencies in the appearance of colours G09G2320/0247Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes G09G2320/0252Improving the response speed G09G2320/0257Reduction of after-image effects G09G2320/0261in the context of movement of objects on the screen or movement of the observer relative to the screen G09G2320/0266Reduction of sub-frame artefacts G09G2320/0271Adjustment of the gradation levels within the range of the gradation scale G09G2320/0276for the purpose of adaptation to the characteristics of a display device G09G2320/028by changing the viewing angle properties G09G2320/0285using tables for spatial correction of display data G09G2320/029by monitoring one or more pixels in the display panel G09G2320/0295by monitoring each display pixel G09G2320/04Maintaining the quality of display appearance G09G2320/041Temperature compensation G09G2320/043Preventing or counteracting the effects of ageing G09G2320/045Compensation of drifts in the characteristics of light emitting or modulating elements G09G2320/046Dealing with screen burn-in prevention or compensation of the effects thereof G09G2320/048using evaluation of the usage time G09G2320/06Adjustment of display parameters G09G2320/0606Manual adjustment G09G2320/0613The adjustment depending on the type of the information to be displayed G09G2320/062Adjustment of illumination source parameters G09G2320/0626for control of overall brightness G09G2320/0633by amplitude modulation of the brightness of the illumination source G09G2320/064by time modulation of the brightness of the illumination source G09G2320/0646Modulation of illumination source brightness and image signal correlated to each other G09G2320/0653Controlling or limiting the speed of brightness adjustment of the illumination source G09G2320/066for control of contrast G09G2320/0666for control of colour parameters G09G2320/0673for control of gamma adjustment G09G2320/068for control of viewing angle adjustment G09G2320/0686with two or more screen areas displaying information with different brightness or colours G09G2320/0693Calibration of display systems G09G2320/08Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal G09G2320/10Special adaptations of display systems for operation with variable images G09G2320/103Detection of image changes G09G2320/106Determination of movement vectors or equivalent parameters within the image