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OwnerBenjamin James Hadwen, Christopher James Brown +2inventors
InventorsBenjamin James Hadwen, Christopher James Brown, Michael Paul Coulson, Patrick Zebedee
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A method is provided of compensating for stray light in a light sensor having a detection photosensor (7) and a reference photosensor (20), the reference photosensor (7) being for use in compensating for stray light falling on the detection photosensor (20). The method comprises using the reference photosensor (20) at least in part to determine a bias voltage applied to the detection photosensor (7). Based on this method, a display device is provided comprising a backlight and a light sensor for determining an ambient light level with the effects of stray light from the backlight substantially removed, with means provided for controlling the intensity of the backlight in dependence upon the determined ambient light level.
A method of compensating for stray light in a light sensor having a detection photosensor and a reference photosensor, the reference photosensor being for use in compensating for stray light falling on the detection photosensor, and the method comprising using the reference photosensor at least in part to determine a bias voltage applied to the detection photosensor.
A light sensor comprising a detection photosensor and a reference photosensor, the reference photosensor being for use in compensating for stray light falling on the detection photosensor, and the sensor being adapted to use the reference photosensor at least in part to determine a bias voltage applied to the detection photosensor.
Dependencies are inferred from the claim text.