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Photo sensing device, photo sensing circuit, touch panel, and method of sensing output value of photo sensing element
Photo sensing device, photo sensing circuit, touch panel, and method of sensing output value of photo sensing element
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机译:光电传感装置,光电传感电路,触摸面板以及传感光电传感元件的输出值的方法
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摘要
A photo sensing device, a photo sensing circuit, a touch panel, and a method of sensing an output value of a photo sensing element, in order to remove the influence of a threshold voltage. The device includes a photo sensing unit generating a sensing current according to an intensity of incident light, a driving unit outputting a driving current according to the sensing current generated by the photo sensing unit, and a scanning unit outputting on a data line the driving current of the driving unit in a first mode corresponding to the photo sensing unit gathering light for a predetermined period of time and outputting the driving current in a second mode corresponding to the photo sensing unit initializing.
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