Self-lit display panel
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United States of America Patent
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Jan 2, 2024
Grant Date -
Jul 27, 2023
app pub date -
Mar 31, 2023
filing date -
Dec 10, 2021
priority date (Note) -
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Abstract
A self-lit display panel includes a photonic integrated circuit payer including an array of waveguides and an array of out-couplers for out-coupling portions of the illuminating light through pixels of the panel. The self-lit display panel may include a transparent electronic circuitry layer backlit by the photonic integrated circuit layer; the two layers may be on a same substrate or on opposed substrates defining a cell filled with an electro-active material. The configuration allows for chief ray engineering, zonal illuminating, and separate illumination with red, green, and blue illuminating light.
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