| 摘要 |
A substrate structure includes a substrate and a plurality of banks formed on the substrate. A substrate structure includes a substrate and a plurality of banks formed on the substrate. The banks and the substrate cooperatively define a plurality of accommodating rooms. The accommodating rooms are configured for accommodating ink. A width W of the bank is a function of a height H of the bank. A plot of the function W=f (H) has at least one discontinuity point. A left hand limit at the at least one discontinuity point being greater than a right hand limit at the at least one discontinuity point.
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