LIGHT PROJECTION CHIP FOR MICRO LED AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Nov 2, 2023
app pub date -
May 2, 2023
filing date -
Apr 29, 2022
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Abstract
The invention discloses a light projection chip for a Micro LED and a manufacturing method thereof. A one-piece lens is fabricated on the basis of a substrate according to a pre-set array pattern on a side of the substrate of a wafer away from a metal electrode, so that the chip can be integrated with the lens without using an additional lens or an optical component. Furthermore, an integrated chip can be obtained by cutting the wafer. A chip with a high integration degree, a high pixel density and a small volume can be obtained by multiple sub-pixels on the integrated chip. Each pixel on the chip corresponds to the driving base, so that the effects of adjustable resolution and free pixel partitioning are achieved by the driving design.
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