OVERLAY PATTERN
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United States of America Patent
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Issued Date -
Feb 17, 2022
app pub date -
Aug 18, 2021
filing date -
Aug 18, 2021
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Abstract
An overlay pattern includes a light-transmitting region and a first light-proof region. The first light-proof region and the light-transmitting region are arranged on a same plane, and an area of the first light-proof region is larger than an area of the light-transmitting region. An orthographic projection of the first light-proof region on the plane and an orthographic projection of the light-transmitting region on the plane do not overlap and form a first rectangular region.
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