A method for laser marking one or more static two dimensional images on or within a device that embodies or comprises an optical film material (10, 26, 40, 48, 56, 70), wherein the method comprises: identifying one or more layers or interfaces within the optical film material (10, 26, 40, 48, 56, 70) that may be damaged by laser energy, or by heat and gas generated by laser absorption within a laser receptive layer, hereinafter referred to as laser sensitive layer or interface; either positioning one or more layers (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84) markable by laser energy, hereinafter referred to as laser markable layer (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84), above the laser sensitive layer or interface, or positioning one or more thermal spacer layers, which serve the purpose of isolating the optical film material (10, 26, 40, 48, 56, 70) from the heat generated during the laser marking process, and one or more laser markable layers below the optical film material (10, 26, 40, 48, 56, 70), the one or more thermal spacer layers being located between the optical film material (10, 26, 40, 48, 56, 70) and the one or more laser markable layers, or modifying the laser sensitive interface to increase the bond strength and/or thermal resistance of the interface, or replacing the laser sensitive layer with a layer made from a material with a higher bond strength and/or a higher thermal resistance; exposing the device to laser energy so as to mark one or more static two dimensional images on or into the one or more laser markable layers (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84), characterized in that the optical film material (10, 26, 40, 48, 56, 70) projects at least one synthetically magnified image. identifying one or more layers or interfaces within the optical film material (10, 26, 40, 48, 56, 70) that may be damaged by laser energy, or by heat and gas generated by laser absorption within a laser receptive layer, hereinafter referred to as laser sensitive layer or interface; either positioning one or more layers (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84) markable by laser energy, hereinafter referred to as laser markable layer (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84), above the laser sensitive layer or interface, or positioning one or more thermal spacer layers, which serve the purpose of isolating the optical film material (10, 26, 40, 48, 56, 70) from the heat generated during the laser marking process, and one or more laser markable layers below the optical film material (10, 26, 40, 48, 56, 70), the one or more thermal spacer layers being located between the optical film material (10, 26, 40, 48, 56, 70) and the one or more laser markable layers, or modifying the laser sensitive interface to increase the bond strength and/or thermal resistance of the interface, or replacing the laser sensitive layer with a layer made from a material with a higher bond strength and/or a higher thermal resistance; either positioning one or more layers (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84) markable by laser energy, hereinafter referred to as laser markable layer (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84), above the laser sensitive layer or interface, or positioning one or more thermal spacer layers, which serve the purpose of isolating the optical film material (10, 26, 40, 48, 56, 70) from the heat generated during the laser marking process, and one or more laser markable layers below the optical film material (10, 26, 40, 48, 56, 70), the one or more thermal spacer layers being located between the optical film material (10, 26, 40, 48, 56, 70) and the one or more laser markable layers, or modifying the laser sensitive interface to increase the bond strength and/or thermal resistance of the interface, or replacing the laser sensitive layer with a layer made from a material with a higher bond strength and/or a higher thermal resistance; exposing the device to laser energy so as to mark one or more static two dimensional images on or into the one or more laser markable layers (22a, 22b, 22c, 38a, 38b, 38c, 44, 52, 68, 84),