Patent ID: 7242068

Claim:
A photosensitive semiconductor package comprising: a lead frame having a die pad and a plurality of leads, wherein each of the leads is formed with at least one recessed portion at an end thereof close to the die pad, and the die pad is formed with at least one recessed region formed on a top surface of the die pad; an encapsulant for filling the recessed region of the die pad, the recessed portions of the leads and between the die pad and the leads, and formed on the lead frame to define a chip receiving cavity; a photosensitive chip having an active surface and a non-active surface and accommodated in the chip receiving cavity, wherein the non-active surface of the chip is mounted on corners of the die pad, and at least partially the non-active surface is attached to the encapsulant filling the recessed region of the die pad and is free of contact with the recessed region; a plurality of bonding wires for electrically connecting the active surface of the chip to the plurality of leads; and a light-penetrable unit mounted on the encapsulant formed on the lead frame to seal the chip receiving cavity.