Patent ID: 8333147

Claim:
A roll-to-roll printing apparatus, comprising: a printing device comprising a printing stage and a squeegee, wherein the squeegee is moved along a first direction, thereby transferring a pattern of a stencil to a roll of working pieces; a sending roller and a receiving roller respectively disposed on two opposite sides of the printing stage, wherein the roll of working pieces is rolled from the sending roller to the receiving roller and rolled along a second direction to the printing stage; an alignment device disposed corresponding to a position of the stencil and the roll of working pieces; a drying device disposed on one side of the printing device, wherein the drying device cures the pattern on the roll of working pieces; and a controller device controlling the printing stage to move along an x direction and y direction, or rotate with an angle θ, wherein the sending roller and the receiving roller are moved with the printing stage.