Display apparatus
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United States of America Patent
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Apr 18, 2023
Grant Date -
Dec 2, 2021
app pub date -
Nov 8, 2018
filing date -
Dec 22, 2017
priority date (Note) -
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Abstract
A display apparatus includes a light source emitting light; a light guide plate having a first surface and a second surface, and spreading light emitted from the light source therein to emit light through the first surface; and a local dimming unit configured to pass or scatter light emitted through the second surface of the light guide plate according to a position. The local dimming unit may include: an electro-optical layer configured to which optical properties change according to an electric field; and a plurality of electrodes positioned on the same plane to generate the electric field.
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