Patent ID: 8658445

Claim:
A method for manufacturing a phosphor film for use in an LED (light emitting diode) package to change color of light from the LED package, comprising following steps: providing a mold, the mold comprising a first molding part and a second molding part, the first molding part and the second molding part cooperatively forming a molding chamber, the first molding part defining an opening communicating with the molding chamber; filling a mixture of phosphor particles and a transparent glue into the first opening; providing a piston, the piston moving in the first opening along a direction from the first molding part to the second molding part, thereby pressing the mixture of the phosphor particles and the transparent glue into the molding chamber; solidifying the mixture of the phosphor particles and the transparent glue to form a phosphor film; and removing the phosphor film from the mold.