Patent ID: 8810478
Filing Date: 2014-08-19
Classification: G01J,G03B,H04N

Abstract:
1. A multi-screen display device comprising a plurality of image display devices, wherein said plurality of image display devices include one master device and one or a plurality of slave devices communicable with said master device, each of said image display devices comprising: a light source; a light valve that modulates light of said light source; a screen onto which an image is projected by modulated output light of said light valve; and a luminance sensor that detects luminance of light from said light valve and outputs a luminance detection value in a case of said light valve being in an off-state, wherein said master device includes a setting part that sets a luminance setting value unified among said plurality of image display devices based on a value in accordance with said luminance detection values in said plurality of image display devices, wherein each of said image display devices further comprising: