DISPLAY WITH A TOUCH SENSOR
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United States of America Patent
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Jul 29, 2016
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Jul 29, 2016
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Abstract
A device, a display and a system are disclosed, all having a display with touch sensing capability. The display senses an object touching the surface of the display and emits light towards the touching object. The light reflects back from the object and travels back through the display to a light detector layer underneath the display stack. The light sensing layer is attached to the display stack with a transparent adhesive that maintains the fingerprint details detectable when the light travels back from the object. The light detector layer may replace the back layer of the display stack. The light detector layer may be applied in various devices having a touch sensing display. The light detector layer may be modular addition to displays in different applications that use identification.
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