A display comprising: a light source, a first spatial light modulator, the first spatial light modulator comprising a plurality of first elements switchable between ON and OFF states, the light source being capable of directing light onto the first spatial light modulator, a second spatial light modulator, transfer optics disposed to direct light modulated by the first spatial light modulator onto the second spatial light modulator, and a driver configured to generate first and second control signals for the first and second spatial light modulators respectively based on image data, the image data defining an image frame to be displayed, wherein: the driver is configured to generate a spatial dithering pattern of ON and OFF states based upon the image data for the image frame and upon a defect map, the spatial dithering pattern having a spatially-varying density, the defect map indicating a stucked ON or OFF state of defective elements of the first spatial light modulator; the driver is configured to generate the first control signal so as to set elements of the first spatial light modulator according to the spatial dithering pattern of ON and OFF states substantially continuously during displaying of the image frame and by taking the stucked ON or OFF state of the defective elements of the first spatial light modulator into consideration; the transfer optics are characterized by a transfer function that blurs light originating from the first spatial light modulator at the second spatial light modulator; the second spatial light modulator comprises a plurality of elements switchable between ON and OFF states, and the driver is configured to switch the elements of the second spatial light modulator between their ON and OFF states multiple times during the image frame; and the driver is configured to compute an estimate of a light field at the second spatial light modulator corresponding to the spatial dithering pattern and the transfer function, and to base the second control signal on the estimated light field. a light source, a first spatial light modulator, the first spatial light modulator comprising a plurality of first elements switchable between ON and OFF states, the light source being capable of directing light onto the first spatial light modulator, a second spatial light modulator, transfer optics disposed to direct light modulated by the first spatial light modulator onto the second spatial light modulator, and a driver configured to generate first and second control signals for the first and second spatial light modulators respectively based on image data, the image data defining an image frame to be displayed, wherein: the driver is configured to generate a spatial dithering pattern of ON and OFF states based upon the image data for the image frame and upon a defect map, the spatial dithering pattern having a spatially-varying density, the defect map indicating a stucked ON or OFF state of defective elements of the first spatial light modulator; the driver is configured to generate the first control signal so as to set elements of the first spatial light modulator according to the spatial dithering pattern of ON and OFF states substantially continuously during displaying of the image frame and by taking the stucked ON or OFF state of the defective elements of the first spatial light modulator into consideration; the transfer optics are characterized by a transfer function that blurs light originating from the first spatial light modulator at the second spatial light modulator; the second spatial light modulator comprises a plurality of elements switchable between ON and OFF states, and the driver is configured to switch the elements of the second spatial light modulator between their ON and OFF states multiple times during the image frame; and the driver is configured to compute an estimate of a light field at the second spatial light modulator corresponding to the spatial dithering pattern and the transfer function, and to base the second control signal on the estimated light field. the driver is configured to generate a spatial dithering pattern of ON and OFF states based upon the image data for the image frame and upon a defect map, the spatial dithering pattern having a spatially-varying density, the defect map indicating a stucked ON or OFF state of defective elements of the first spatial light modulator; the driver is configured to generate the first control signal so as to set elements of the first spatial light modulator according to the spatial dithering pattern of ON and OFF states substantially continuously during displaying of the image frame and by taking the stucked ON or OFF state of the defective elements of the first spatial light modulator into consideration; the transfer optics are characterized by a transfer function that blurs light originating from the first spatial light modulator at the second spatial light modulator; the second spatial light modulator comprises a plurality of elements switchable between ON and OFF states, and the driver is configured to switch the elements of the second spatial light modulator between their ON and OFF states multiple times during the image frame; and the driver is configured to compute an estimate of a light field at the second spatial light modulator corresponding to the spatial dithering pattern and the transfer function, and to base the second control signal on the estimated light field.