Bar code maded from e-paper

PURPOSE: A barcode made from an e-paper is provided to implement plural barcodes conveniently by laminating plural e-papers having different widths. CONSTITUTION: Through the lamination of E-papers(411,421,431,441,412,422,432,442), at least one e-paper stacks(S1,S2) are created. The front sides of the e-papers indicate black color, white color or transparent depending on the application of driving voltage. The e-paper stack has the width having narrower width.