A display (10B, 10C) being either a rear-projection display or a front-projection display, comprising: - a projector comprising: -- a light source, -- a reflection-type first spatial light modulator panel (16, 16A) located to modulate light from the light source, and -- an optical system; - a screen (23, 34) including a second spatial light modulator panel (20, 36), the second spatial light modulator panel (20, 36) being a transmission-type light modulator in the case of a rear-projection display and a reflection-type light modulator in the case of a front-projection display, the optical system being configured to image light modulated by the first spatial light modulator panel(16, 16A) onto the second spatial light modulator panel (20, 36); and - a controller configured to receive data which define an image, to generate based on the received data a first driving signal for the first spatial light modulator panel (16, 16A) and a second driving signal for the second spatial light modulator panel (20, 36) so that the light modulated by the first and second spatial light modulator panels (16, 16A; 20, 36) approaches the image defined by the image data, and to control the first spatial light modulator panel (16, 16A) with the first driving signal and the second spatial light modulator panel (20, 36) with the second driving signal; - wherein the light source is configured to emit light in a first direction parallel to the second spatial light modulator panel (20, 36); - wherein the first spatial light modulator panel (16, 16A) is configured to redirect the light it modulates in a direction normal to said first direction. - a projector comprising: -- a light source, -- a reflection-type first spatial light modulator panel (16, 16A) located to modulate light from the light source, and -- an optical system; -- a light source, -- a reflection-type first spatial light modulator panel (16, 16A) located to modulate light from the light source, and -- an optical system; - a screen (23, 34) including a second spatial light modulator panel (20, 36), the second spatial light modulator panel (20, 36) being a transmission-type light modulator in the case of a rear-projection display and a reflection-type light modulator in the case of a front-projection display, the optical system being configured to image light modulated by the first spatial light modulator panel(16, 16A) onto the second spatial light modulator panel (20, 36); and - a controller configured to receive data which define an image, to generate based on the received data a first driving signal for the first spatial light modulator panel (16, 16A) and a second driving signal for the second spatial light modulator panel (20, 36) so that the light modulated by the first and second spatial light modulator panels (16, 16A; 20, 36) approaches the image defined by the image data, and to control the first spatial light modulator panel (16, 16A) with the first driving signal and the second spatial light modulator panel (20, 36) with the second driving signal; - wherein the light source is configured to emit light in a first direction parallel to the second spatial light modulator panel (20, 36); - wherein the first spatial light modulator panel (16, 16A) is configured to redirect the light it modulates in a direction normal to said first direction.