Display Modules with Direct-lit Backlight Units
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United States of America Patent
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Issued Date -
Apr 18, 2024
app pub date -
Dec 8, 2023
filing date -
Sep 23, 2021
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Abstract
A display may have a pixel array such as a liquid crystal pixel array. The pixel array may be illuminated with backlight illumination from a direct-lit backlight unit. The backlight unit may include an array of light-emitting diodes (LEDs) on a printed circuit board. The display may have a notch to accommodate an input-output component. Reflective layers may be included in the notch. The backlight may include a color conversion layer with a property that varies as a function of position. The light-emitting diodes may be covered by a slab of encapsulant with recesses in an upper surface.
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