Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
12222003
Date Filed
July 31, 2008
Patent Primary Examiner
Patent abstract
A photo sensor includes a light incidence unit including a plurality of light incidence layers, the light incidence unit having a varying light transmittance with respect to external light, and a photo sensing unit including a plurality of photo sensing elements, the photo sensing unit being configured to output electrical signals in accordance with an amount of light transmitted through the light incidence unit to determine intensity of the external light, each of the photo sensing elements being configured to output electrical signals in accordance with light transmitted through a respective light incidence layer.
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