FIELD: physics.
SUBSTANCE: device has optical sensors (30) designed to determine intensity of received radiation, and having the function of an area sensor for determining the point of external input stimulus through each optical sensor (30) detecting an image on the surface of the panel. The device also has a temperature compensation sensor (50) designed for temperature correction of the optical sensors (30). The compensation sensor (50) has a blocking film for blocking radiation lying in a bottom layer, an optical sensor 30A designed to determine temperature of the environment in which the liquid crystal display device is located, lying on the blocking film which lies in the bottom layer, and a blocking film for blocking radiation lying in a top layer, which blocks ultraviolet, visible and infrared radiation and covers optical sensors for determining temperature.
EFFECT: increasing accuracy of detecting external stimulus.
14 cl, 14 dwg
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