Optically determining messages on a display
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United States of America Patent
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Aug 9, 2022
Grant Date -
Oct 7, 2021
app pub date -
Aug 11, 2018
filing date -
Dec 4, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A verifiable display is provided that enables the visual content of the display to be detected and confirmed in a variety of ambient lighting conditions, environments, and operational states. In particular, the verifiable display has a display layer that is capable of visually setting an intended message for human or machine reading, with the intended message being set using pixels. Depending on the operational condition of the display and the ambient light, for example, the message that is actually displayed and perceivable may vary from the intended message. To detect what message is actually displayed, a light detection layer in the verifiable display detects the illumination state of the pixels, and in that way is able to detect what message is actually being presented by the display layer.
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