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公开(公告)号：US20230036183A1
公开(公告)日：2023-02-02
申请号：US16959165
申请日：2020-04-30
Inventor： Lei XU , Guowei ZHA , Li ZHONG
Abstract: A repairing method for micro-LED chip defective pixels is disclosed. By providing a main recess and a backup recess in each of sub-pixel areas of a substrate, wherein each of the main recesses is loaded with a main micro-LED chip, when all of the main micro-LED chips are detected for defective pixels, the backup recess in each of the sub-pixel areas where the defective pixel is detected is loaded with a backup micro-LED chip using a fluid mass transfer method, which improves the repair efficiency.
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