Abstract: An electroluminescent (EL) device having an LED formed on a substrate with at least two electrodes formed over the substrate, and an EL unit formed between the electrodes. At least one of the electrodes is transparent. At least one of the electrodes is patterned to define independently controllable light-emitting areas. A cover is formed over the LED. The cover or substrate is transparent. A light-scattering layer is formed between the cover and substrate for scattering light. A low-index element, having an optical index lower than other optical indices, is formed between the scattering layer and the transparent cover or substrate. Additionally, a contrast-enhancement layer includes alternating light-absorbing portions and light-transmissive portions formed in the layer located between the light-scattering layer and the transparent substrate or cover through which light is emitted, wherein the light-absorbing portions and light-transmissive portions are located in each light-emitting area.

Abstract: An organic light-emitting diode (OLED) device, comprising: an OLED formed on a substrate having a first and second electrodes and one or more light-emitting organic material layers formed between the electrodes, the organic material layer(s) having a first optical index and at least one of the electrodes patterned to define light-emitting areas; a cover formed over the OLED wherein the cover or substrate is transparent and has a second optical index and the light is emitted through the transparent cover or substrate; a light-scattering layer formed between the cover and substrate for scattering light; a low-index element having an optical index lower than the first and second optical indices formed between the scattering layer and the transparent cover or substrate; and a contrast-enhancement layer comprising a plurality of alternating light-absorbing portions and light-transmissive portions formed in the layer located between the light-scattering layer and the transparent substrate or cover through which lig

Abstract: A method for fabrication of a rear projection article forms an arrangement of refractive elements on one surface of a transparent support and forms an apertured surface on the opposite surface of the support. A photographic positive reversal emulsion is applied to the opposite surface of the substrate to form a light-sensitive layer. Visible light is directed, as exposure radiation, through the refractive elements, exposing the light sensitive layer to form an exposed layer. The exposed layer is developed photographically using a positive reversal process to form the apertured surface thereby.

Abstract: A method for forming a resist pattern on a substrate (18) places a donor element (12) having a layer of thermoresist material proximate the substrate. A gap is maintained such that the surface of the layer of thermoresist material is spaced apart from the surface of the substrate by a number of spacing elements. Thermal energy is directed toward the donor element (12) according to the resist pattern, whereby a portion of thermoresist material is transferred from the donor element (12) across the gap by ablative transfer and is deposited onto the substrate (18) forming the resist pattern.

Abstract: An organic light-emitting diode (OLED) device, comprising: first and second non-metallic transparent electrodes, and one or more layers of organic material formed between the first and second non-metallic transparent electrodes, the layers of organic material including one or more light-emitting layers; and one or more non-metallic reflective layers located on a side of either of the first or second non-metallic transparent electrodes opposite to the organic material layers; wherein the device further comprises a light transmissive scattering layer in optical contact with the organic material layers and the electrodes or wherein at least one of the one or more non-metallic reflective layers comprises a reflective scattering layer in optical contact with the organic material layers and the electrodes. Additionally, a low-index layer is preferably employed in various embodiments to improve device sharpness.

Abstract: An organic light-emitting diode (OLED) device, comprising: first and second transparent electrodes, and one or more layers of organic material formed between the first and second transparent electrodes, the layers of organic material including one or more light-emitting layers; a reflective layer having a surface plasmon-polariton supporting reflective surface located on a side of either of the first or second transparent electrodes opposite to the organic material layers; and a scattering layer in optical contact with the organic material layers and the electrodes. In certain embodiments, layer spacing is preferably designed such that the distance between the reflective surface and at least one of the one or more light-emitting layers is equal to or greater than 60 nm. Additionally, a low-index layer is preferably employed in various embodiments to improve device sharpness.

Abstract: The invention relates to a donor laminate comprising in order, a substrate, an electronically conductive polymer layer in contact with said substrate, and a metal layer.

Abstract: A method of making an OLED device, including providing a substrate having a first electrode and a conductive bus line provided over the substrate and organic EL media provided over the first electrode and over the conductive bus line; forming a radiation absorbing structure associated with the conductive bus line; exposing the radiation absorbing structure to radiation to produce heat sufficient to ablate a portion of the organic EL media thereby forming an opening in the organic EL media; and forming a second electrode over the organic EL media, and through the opening in the organic EL media thereby forming an electrical connection between the second electrode to the conductive bus line.

Abstract: An organic light-emitting diode (OLED) device, comprising: a substrate; an OLED formed on the substrate comprising a first electrode formed over the substrate, one or more layers of organic material, one of which emits light, formed over the first electrode, and a transparent second electrode formed over the one or more layers of organic material, the transparent second electrode and layer(s) of organic light-emitting material having a first refractive index range; a transparent cover provided over the OLED through which light from the OLED is emitted, the cover having a second refractive index; separately formed spacer element particles having a first average size distributed above the transparent second electrode, providing spacing between the transparent second electrode and the cover, and forming a transparent gap between the transparent second electrode and the cover, the transparent gap having a third refractive index lower than each of the first refractive index range and second refractive index; and s

Abstract: An organic light-emitting diode (OLED) device, comprising: a) a first OLED element; b) a second OLED element formed over the first OLED element; and c) a scattering layer optically coupled to the first and/or the second OLED elements; wherein the first and second OLED elements each include first and second spaced-apart conductors with one or more organic layers formed there-between, at least one organic layer of each of the first and second OLED elements being a light-emitting layer.

Abstract: The invention relates to a mixture comprising an ionic liquid and an electronically conductive polymer in its cationic form and a polyanion associated with the conductive polymer.

Abstract: The invention relates to an optical element comprising a substrate, a wire grid on one side of said substrate, and prismatic light collimating features on the other side of said substrate

Abstract: The present invention relates to a donor laminate for transfer of a conductive layer comprising at least one electronically conductive polymer on to a receiver, wherein the receiver is a component of a device. The present invention also relates to methods pertinent to such transfers.

Abstract: A method for forming a color organic light-emitting device including depositing a first electrode over a substrate; depositing a first emissive layer over the first electrode for producing a first colored light in response to hole-electron recombination; and selectively patternwise depositing a hole-blocking layer over the first emissive layer. The method also includes depositing a second emissive layer over the hole-blocking layer which in response to hole-electron recombination emits colored light different from the colored light emitted from the first emissive layer; depositing a second electrode over the second emissive layer; and whereby the patternwise deposition of the hole-blocking layer has been selected to substantially shift hole-electron recombination from the second to the first emissive layers.

Abstract: In an example embodiment, a wire grid polarizer includes a plurality of parallel conductors having a pitch (P), a width (W), and a height (H). In example embodiments, a fill-factor (W/P) is greater than approximately 0.18 and less than approximately 0.25. In another example embodiment, a display system includes a light source and a light-valve. The display system also includes a wire grid polarizer that includes a plurality of parallel conductors having a pitch (P), a width (W), and a height (H). In example embodiments, a fill-factor (W/P) is greater than approximately 0.18 and less than approximately 0.25.

Abstract: An apparatus for creating stickers uses microencapsulated material (14) which comprises a printhead (32) for image-wise exposing of the microencapsulated material in a pattern which leaves unexposed an outline of sticker characters (60, 62). A roller ruptures (58) unexposed microcapsules and a chemical in the ruptured microcapsules weakens material outlining the sticker characters (60, 62).

Abstract: An apparatus for creating stencils uses microencapsulated material (14) which comprises a printhead (32) for image-wise exposing of the microencapsulated material in a pattern which leaves unexposed an outline of stencil characters (60, 62). A roller ruptures (58) unexposed microcapsules and a chemical in the ruptured microcapsules weakens material outlining the stencil characters (60, 62).

Abstract: A method of forming a pattern of electrical conductors on a substrate (18) consists of forming metal nanoparticles on a conductive material. A light absorbing dye is mixed with the metal nanoparticles. The mixture is then coated on the substrate. The pattern is formed on the coated substrate with laser light (14). Unannealed material is removed from the substrate.

Abstract: A method of transferring organic material from a donor element to a substrate includes providing a radiation source; and selecting the power of the radiation applied to the donor element by the radiation source to cause the transfer of organic material to the substrate wherein the time that one or more positions of the donor element receives radiation is greater than 1 millisecond.

Abstract: A method of transferring organic material from a donor element onto a substrate of an OLED device, includes providing a linear laser light beam which is moved relative to the donor element and substrate and which has a predetermined number of laser modulatable channels, each of which when activated causes laser light to illuminate the donor element which heats to a sufficient level to vaporize organic material and transfer such material onto a substrate; and selecting the pattern of activated laser modulatable channels such that only a portion of the OLED device receives organic material during a single relative motion pass of the linear laser light beam to the donor element and substrate.