Display for recognizing fingerprint and electronic device
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United States of America Patent
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Aug 18, 2020
Grant Date -
Jan 31, 2019
app pub date -
Jul 30, 2018
filing date -
Jul 31, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
According to an embodiment of the present disclosure, a display may comprise a transparent cover, a light source comprising light emitting circuitry configured to emit first light in a first direction, a first polarizer disposed between the light source and the cover and configured to linearly polarize the first light, and a first retarder disposed between the first polarizer and the cover and configured to change a polarization of the first light from a linear polarization to a non-linear polarization.
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