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1. A display panel, comprising: a substrate, having a first surface and a second surface opposite to the first surface; an active element, disposed on the first surface; a driving circuit element, disposed on the second surface; a first connection circuit, disposed on the first surface, and connected to the active element; a second connection circuit, disposed on the second surface, and connected to the driving circuit element; and a conductive connector, penetrating through the substrate, and two ends of the conductive connector electrically connected to the first connection circuit and the second connection circuit, respectively; and the active elements are disposed in an array to define an active area, and the conductive connector is located in a peripheral area between the active area and at least one edge of the substrate; and the first connection circuit extends from the active area to the peripheral area; and the first connection circuit comprises: a connection pad, disposed on the first surface and covering the conductive connector, wherein a projection area of the connection pad on the first surface is greater than an end surface area of the conductive connector on the first and second surfaces; and a minimum width of the conductive connector is smaller than a width of the end surface area of the conductive connector on the first and second surfaces and gradually increased toward the first and second surfaces.
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