Abstract: The invention relates to a light redirecting polymeric film comprising a plurality of polymeric individual optical elements wherein the elements comprise curved wedge shaped features in the plane of the film, having a length in the range of 800 to 4000 micrometers.

Abstract: Disclosed is a process for preparing an article comprising a layer of nonconductive polymeric material comprising a plurality of integral polymer conduit channels containing a substantially transparent conductive material comprising applying the conductive material to the grooves and applying a protective overcoat within the channels.

Abstract: The invention relates to a packaging material comprising a substrate, an image formed by thermal dye transfer on said substrate and a transparent polymer overlayer on the opposite side of the image from said substrate, and further comprising antimicrobial composition in said overlayer.

Abstract: A method includes electro-mechanical engraving a pattern of cavities with well defined shapes in a surface. The surface is configured to micro replicate according to the pattern. The surface may be a pattern roller. The cavities may have complex cross sections and may be cut by multiple cutters. The molding pattern may be for micro replication of optical elements of a light redirecting film or a light extracting film.

Abstract: The invention relates to an optical structure, comprising a polymer base layer, a thermoplastic polymer optical layer including top surface having a plurality of optical features; and an adhesion layer between the base layer and the optical layer, wherein the adhesive layer bonds to the base layer and to the optical layer.

Abstract: The invention relates to a light diffuser comprising a thermoplastic layer incorporating organic bead-containing microvoids and having an integral smoothing layer on at least one surface thereof, the smoothing layer exhibiting an average thickness less than 12 microns.

Abstract: The invention relates to a polymeric optical film comprising a base provided with integral optical features on at least one side, wherein the features have two or more sides that form a ridge line, wherein the optical film has light leakage through crossed polarizers of less than 1.0%.

Abstract: The invention relates to a web material comprising a carrier sheet, a continuous pragmatic sheet and an adhesive layer wherein said adhesive layer is between said carrier sheet and said pragmatic sheet, said adhesive layer more strongly adheres to said pragmatic sheet and said pragmatic sheet is narrower than said carrier sheet wherein the side of said carrier sheet in contact with said adhesive is reflective.

Abstract: A light therapy device (40) for delivering light energy to a portion of a patient's body comprises a light source (115). The light source comprises one or more light emitters (122) for providing input light. A light coupling means (80) directs the input light into a light guide (140). A flexible optically transparent light guide material comprises the light guide. A light extraction means (75) is applied to a surface of the light guide material. The light extraction means is positioned to provide light therapy treatment to one or more localized areas of the patient's body. A control means controls a light dosage relative to intensity, wavelength, modulation frequency, repetition, and timing of treatments.

Abstract: The invention relates to a transfer element comprising a base having thereon a transfer layer of inorganic conductive particles in a polymer matrix wherein said transfer layer of inorganic conductive particles has an adhesion to said base of between 20 and 400 grams/cm.

Abstract: The invention relates to a patterned device comprising a substrate covered by a pattern of metal and oxidized metal surrounding said pattern of metal.

Abstract: The invention relates to a decorative thermal print comprising a continuous thermal print material comprising a thermal image on a pragmatic layer, a protective layer over the print, and an adhesive layer on the opposite side of said pragmatic layer from said image.

Abstract: The invention relates to an imaging member comprising a dye receiving layer, a plasticized polymer layer, and a plasticizer containment layer, wherein the plasticizer is present in an amount greater than 5% of said plasticized polymer layer.

Abstract: An electromodulating display comprises (1) a nonconductive polymeric unitary substrate containing a plurality of patterned grooves containing an electrically-conductive material so as to form an electrical network having a switchable electric field orientation; (2) a switch for switching the electric field orientation; and (3) a medium that is optically shifted in response to the switching of the electric field orientation.

Abstract: A touch screen comprising: a) a substrate; b) a first conductive layer located on the substrate; c) a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, each integral compressible spacer dot having a base closest to the substantially planar surface and a peak furthest from the substantially planar surface; and d) a second conductive layer located on the substantially planar surface of the flexible sheet, the peaks of the integral compressible spacer dots extending beyond the second conductive layer located on the substantially planar surface; wherein the first and second conductive layers are positioned towards each other and separated by the integral compressible spacer dots. The integral compressible spacer dots are sized and positioned in a pattern that establishes at least one of differentiated minimum required activation forces and differentiated durability for selected areas of the touch screen.

Abstract: A touch screen comprising: a) a substrate; b) a first conductive layer located on the substrate; c) a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, each integral compressible spacer dot having a base closest to the substantially planar surface and a peak furthest from the substantially planar surface; and d) a second conductive layer located on the substantially planar surface of the flexible sheet, the peaks of the integral compressible spacer dots extending beyond the second conductive layer located on the substantially planar surface; wherein the first and second conductive layers are positioned towards each other and separated by the integral compressible spacer dots.

Abstract: A touch screen comprising: a) a substrate; b) a first conductive layer located on the substrate; c) a flexible cover sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, each integral compressible spacer dot having a base closest to the substantially planar surface and a peak furthest from the substantially planar surface; and d) a second conductive layer located on the substantially planar surface of the flexible sheet, the peaks of the integral compressible spacer dots extending beyond the second conductive layer located on the substantially planar surface; wherein the first and second conductive layers are positioned towards each other and separated by the integral compressible spacer dots.

Abstract: A touch screen comprising a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, where each spacer dot comprises a base cross section in the substantially planar surface of the flexible sheet defined by a first point or set of connected points intersecting an axis in the substantially planar surface, a second opposed point or set of connected points intersecting the axis, and first and second continuous edge segments connecting the first and second points or end points of the first and second sets of points on opposite sides of the axis, wherein the spacer dot has a variable height perpendicular to the substantially planar surface along the axis, and wherein the surface of the spacer dot extending above the base cross section is not equidistant from the mid-point of the axis between the intersections of the first and second points or sets of connected points and the axis.

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: The invention relates to a light redirecting polymeric film comprising a plurality of polymeric individual optical elements wherein the elements comprise curved wedge shaped features in the plane of the film, having a length in the range of 800 to 4000 micrometers.