a method of manufacturing a document , the document having an integrated display , wherein the document comprises multiple layers , wherein at least one of the multiple layers comprises a substrate , wherein the substrate carries the integrated display , wherein the substrate carries an electronic circuit coupled to the integrated display , wherein the integrated display comprises a display component , wherein the electronic circuit comprises a circuit component , wherein the method comprises : providing the substrate , performing a process step for forming the display component and the circuit component , and forming the document using the substrate .