Abstract: Disclosed is an article comprising a layer of nonconductive polymeric material comprising a plurality of integral polymer conduit channels containing a substantially transparent conductive material.

Abstract: An optical converter and method for making same is provided. In accordance with the method, the present invention provides an improved apparatus and methods for fabrication of an optical converter. In one aspect of the invention a method for forming an optical converter is provided. In accordance with this method at least two light guide ribbon structures are provided, with each light guide ribbon structure formed by the steps of roll molding a substrate having a pattern of channels with each channel extending from an input edge to an output edge of said substrate and forming light guides extending along each of the channels from the input edge to the output edge. The at least two light guide ribbon structures are assembled in a stacked arrangement.

Abstract: Disclosed is an article comprising a polymer layer containing a plurality of integral polymer conduit channels that contain at least two layers with at least one comprising a conductive material and the other serving a function beyond protection.

Abstract: The invention relates to a light diffuser comprising a thermoplastic layer containing thermoplastic polymeric material and microvoids having a substantially circular cross-section in a plane perpendicular to the direction of light travel and having a diffuse light transmission efficiency of at least 65%.

Abstract: A sheet of material and package made using the sheet of material. The sheet of material having an having an outer diffuse layer and an inner light piping layer adjacent the diffuse layer. The sheet transmits light to the outer surface of the outer diffuse layer. The outer diffuse layer has a specular area formed thereon through which light from the light piping layer can exit in a substantially non-diffuse manner from the outer surface of the outer diffuse layer.

Abstract: Disclosed is an article comprising a polymer sheet containing a plurality of integral polymer conduit channels containing a transparent conductive material in which two or more such channels terminate.

Abstract: The invention relates to a light diffuser comprising a polymeric film wherein the film comprises a plurality of layers having void geometry in which the x/y/z size or frequency varies by at least 28% between at least two layers.

Abstract: The invention relates to a validation device comprising at least one specular reflective layer, indicia on said reflective layer, a polymer protective layer overlaying said indicia, and a polymer protective layer on the side of the reflective layer opposite to said indicia wherein said indicia are formed by thermal dye transfer.

Abstract: A flexible, resistive touch screen includes a transparent, flexible substrate; a first conductive layer located on the flexible substrate; a flexible transparent cover sheet having integral compressible spacer dots; and a second conductive layer located on the flexible transparent cover sheet, the peaks of the integral compressible spacer dots extending through the second conductive layer, whereby, when a force is applied to the touch screen at the location of one of the compressible spacer dots, the compressible spacer dot is compressed to allow electrical contact between the first and second conductive layers.

Abstract: The invention relates to an image device comprising a base material having a pattern of diffuse and specular metallic reflectivity and overlaying said pattern an image.

Abstract: A method for forming a medium having a substrate is formed have a patterned surface with a channel pattern and a transponder having a memory is provided in the channel pattern. A conductive material is deposited in the channel pattern with the conductive material operatively associated with the transponder.

Abstract: Disclosed is an optical element comprising a substrate with surface features on a surface thereof having an Ra of from 3 to 200 micrometers containing a dispersion of minute particles having a particle size dimension less than 100 nanometers.

Abstract: An optical converter and method for making same is provided. In accordance with the method, the present invention provides an improved apparatus and methods for fabrication of an optical converter. In one aspect of the invention a method for forming an optical converter is provided. In accordance with this method at least two light guide ribbon structures are provided, with each light guide ribbon structure formed by the steps of roll molding a substrate having a pattern of channels with each channel extending from an input edge to an output edge of said substrate and forming light guides extending along each of the channels from the input edge to the output edge. The at least two light guide ribbon structures are assembled in a stacked arrangement.

Abstract: Disclosed is an optical element containing a rough surface having a roughness average equal to at least 5 micrometers wherein the rough surface contains at least two roughness populations in which the roughness average of the at least two populations varies by at least 8 micrometers. The invention provides an optical element containing an integral optical spacer while simultaneously providing scratch and impact resistance.

Abstract: Disclosed is an article comprising first areas of electrically conductive material and second areas of electrically conductive material raised relative to the first areas and substantially electrically isolated from the first areas, said conductive materials exhibiting a resistivity that averages less than 800 ohm/square.

Abstract: Disclosed is an optical element comprising a polymer film containing a dispersion of minute layered particulates and microvoids.

Abstract: A system and security card comprising a support substrate having a diffuse layer disposed thereon, the support substrate having a substantially uniform light transmitting characteristic, the lens layer having a predetermined pattern area formed thereon such that when light is transmitted through the support substrate and the diffuse layer a unique pattern is produced that can be read from the light passing there through.

Abstract: The invention provides a light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored. The invention also provides light diffuser comprising a macro diffusion efficiency variation wherein at least part of the diffuser is colored for rear projection displays, back-lighted imaging media, and a liquid crystal display component and device. The invention further provides a process for preparing such a diffuser.

Abstract: Disclosed is a diffuse reflector comprising a macro reflection efficiency variation. The invention provides improved light reflection for a back lit display while simultaneously diffusely reflecting specular light sources.

Abstract: Disclosed is a transparent polymeric diffusion film exhibiting at least 50% transmissivity containing a thermoplastic polymeric material with internal microvoids and containing a plurality of complex lenses on a surface thereof. Such films are useful for diffusing light when it is desired to provide and even light distribution.