Patent ID: 7582953

Claim:
A package structure with leadframe on chip-stacked structure, comprising: a lead-frame, composed of a plurality of outer leads arranged in rows facing each other and a plurality of inner leads arranged in rows facing each other formed by a plurality of wires, wherein said plurality of inner leads are divided into a plurality of first inner leads and a plurality of second inner leads, and the length of said plurality of first inner leads is greater than that of said plurality of second inner leads; a chip-stacked structure stacked by a plurality of chips, an active surface of each said chip facing upward and each said chip being misaligned to form an offset stacked structure, wherein said chip stacked uppermost in said chip-stacked structure that is fixedly connected under said plurality of first inner leads, and said chip-stacked structure is electrically connected to said plurality of first inner leads and said plurality of second inner leads on the same side edge; and an encapsulant covering said chip-stacked structure and said lead-frame, said plurality of outer leads extending out of said encapsulant.