| CPC H10H 20/8316 (2025.01) [H10H 20/01 (2025.01); H10H 20/032 (2025.01)] | 17 Claims |
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1. A display substrate, comprising a base, a plurality of bonding electrodes arranged on the base in a plurality of rows and a plurality of columns and spaced apart from each other, a plurality of functional devices on a side of the plurality of bonding electrodes away from the base, and an isolation structure disposed on the base,
wherein the plurality of bonding electrodes are coupled to positive electrodes and negative electrodes of the plurality of functional devices by bonding,
wherein each row of bonding electrodes of the plurality of rows of bonding electrodes comprises a plurality of bonding electrodes arranged in a row direction, the isolation structure comprises a plurality of first isolation patterns extending in the row direction, and the plurality of first isolation patterns and the plurality of rows of bonding electrodes are alternately arranged in a column direction,
wherein a width of each first isolation pattern in the column direction is equal to a distance between the positive electrode and the negative electrode adjacent to each other,
wherein each functional device further comprises a body, and the positive electrode and the negative electrode protrude from a first surface of the body to an outside of the body,
wherein the positive electrode and the negative electrode protrude outward from the first surface of the body by a same thickness, the plurality of rows of bonding electrodes have a same thickness in a vertical direction perpendicular to the row direction and the column direction, and a thickness of the plurality of first isolation patterns in the vertical direction, the thickness of the positive electrode and the negative electrode protruding outward from the first surface of the body, and the thickness of the plurality of rows of bonding electrodes in the vertical direction satisfy: d1=(d2+d3)*[1+ (P/W)], and
where d1 is the thickness of the plurality of first isolation patterns in the vertical direction, d2 is the thickness of the plurality of rows of bonding electrodes in the vertical direction, d3 is the thickness of the positive electrode and the negative electrode protruding outward from the first surface of the body, P is a warpage value of a carrier board carrying the plurality of functional devices, and W is a width of the carrier board carrying the plurality of functional devices in the column direction.
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