Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a electron transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.

Abstract: A process for the preparation of a self assembled superlattice thin film of organic nanocrystal particles is described comprising: (i) combining one or more functional organic material to be precipitated as nanocrystal particles and one or more surface active material in a compressed CO2 phase with a density of at least 0.

Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.

Abstract: A method and apparatus for printing and coating includes providing a pressurized source of a thermodynamically stable mixture of a solvent and a marking material. A printhead is connected to the pressurized source. The printhead is configured to produce a first shaped beam of the marking material and a second shaped beam of the marking material. The marking material can be different marking materials or the same marking material.

Abstract: A method of forming a color filter and a color filter are provided. The method includes providing a mixture of a color filter material and a compressed fluid; providing a substrate; providing a printhead adapted to deliver the mixture of the color filter material and the compressed fluid toward the substrate; positioning the printhead in a predetermined location relative to the substrate; and ejecting the mixture of the color filter material and the compressed fluid through the printhead toward the substrate, wherein the color filter material becomes free of the compressed fluid prior to the color filter material contacting the substrate at the predetermined location.

Abstract: Authentication systems, apparatus, and methods authenticate an identification marking including a nanocrystalline material. One or more properties of the marking are ascertained to provide a measured profile. The measured profile is compared to at least one member of a closed set of reference profiles. Each reference profile has predetermined values of one or more properties. Each reference profile is unique within the set. At least one reference profile is characteristic of an indicator material in a nanocrystalline morphology and non-characteristic of the same indicator material in a bulk morphology.

Abstract: A system (10) produces patterned deposition on a substrate (14) from compressed fluids. A delivery system (12) cooperates with an independently controlled first chamber and an independently controlled second chamber retaining a substrate (14) for receiving precipitated functional material along a fluid flow delivery (13) from the delivery system (12). A shadow mask (22) is arranged in close proximity to the substrate (14) for forming the patterned deposition on the substrate (14).

Abstract: An apparatus and method of color tuning a light emitting display are provided. The apparatus includes a source of a mixture of a compressed fluid solvent and an organic material. A discharge device is positioned in fluid communication with the source of the mixture of the compressed fluid and the organic material. A condition controlling device is positioned in fluid communication between the source and the discharge device. The method includes providing a substrate, providing a first addressing electrode on the substrate, controllably depositing an organic nanomorphic material over the first addressing electrode, and providing a second addressing electrode over the organic nanomorphic material.

Abstract: An apparatus and method of producing multiple spectral reflectance deposits from a mixture of a compressed fluid and a marking material are provided. The method includes providing a receiver; controllably depositing a marking material on the receiver by delivering a mixture of a compressed fluid solvent and the marking material toward the receiver, the mixture being contained under a first condition prior to delivery toward the receiver, the marking material becoming free of the compressed fluid solvent prior to reaching the receiver; and controllably depositing the marking material on the receiver by delivering the mixture of the compressed fluid solvent and the marking material toward the receiver, the mixture being contained under a second condition prior to delivery toward the receiver, the marking material becoming free of the compressed fluid solvent prior to reaching the receiver, the second condition being distinct from the first condition.

Abstract: A light emitting display is provided. The light emitting display includes a first addressing electrode and a second addressing electrode. A nanomorphic material layer can be positioned between the first addressing electrode and the second addressing electrode. Alternatively, a material can be positioned between the first addressing electrode and the second addressing electrode with the material luminescing at a plurality of wavelengths.

Abstract: A method produces patterned deposition on a substrate (14) from compressed fluid. A delivery system (12) cooperates with a controlled environment (30, 100, 200) retaining a substrate (14) for receiving precipitated functional material 44 along a fluid delivery path (13) from the delivery system (12). A mask (22) is arranged in close proximity to the substrate (14) for forming the patterned deposition on the substrate (14).

Abstract: A system (10) produces patterned deposition on a substrate (14) from supercritical fluids. A delivery system (12) cooperates with a partial enclosure environment (30, 100, 200) retaining a movable substrate (14) for receiving precipitated functional material (44) along a fluid delivery path (13) from the delivery system (12). A shadow mask (22) is arranged in close proximity to the movable substrate (14) for forming the patterned deposition on the movable substrate (14).

Abstract: An apparatus and method of delivering a functional material is provided. The apparatus includes a pressurized source of fluid in a thermodynamically stable mixture with a functional material. A discharge device having an inlet and an outlet is connected to the pressurized source at the inlet. The discharge device is shaped to produce a collimated beam of functional material, where the fluid is in a gaseous state at a location before or beyond the outlet of the discharge device. A beam control device is positioned proximate to the outlet of the discharge device such that the collimated beam of functional material is controlled after the collimated beam of functional material moves through the outlet of the discharge device.

Abstract: A method and an apparatus for making a light emitting display is provided. The apparatus includes a discharge device with an inlet and an outlet with the portion of the discharge device defining a delivery path. An actuating mechanism is moveably positioned along the delivery path. A substrate retaining device is positioned spaced apart from the outlet of the discharge device in the delivery path. The inlet of the discharge device is adapted to be connected to a pressurized source of a thermodynamically stable mixture of a compressed fluid and one of a hole transporting material, a light emitting material, and an electron transporting material. The compressed fluid is in a gaseous state at a location beyond the outlet of the discharge device and prior to the substrate retaining device.

Abstract: A method produces patterned deposition on a substrate (14) from compressed fluid. A delivery system (12) cooperates with a controlled environment (30, 100, 200) retaining a substrate (14) for receiving precipitated functional material 44 along a fluid delivery path (13) from the delivery system (12). A mask (22) is arranged in close proximity to the substrate (14) for forming the patterned deposition on the substrate (14).

Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a electron transporting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.

Abstract: A system (10) produces patterned deposition on a substrate (14) from compressed fluids. A delivery system (12) cooperates with an independently controlled first chamber and an independently controlled second chamber retaining a substrate (14) for receiving precipitated functional material along a fluid flow delivery (13) from the delivery system (12). A shadow mask (22) is arranged in close proximity to the substrate (14) for forming the patterned deposition on the substrate (14).

Abstract: A system (10) produces patterned deposition on a substrate (14) from supercritical fluids. A delivery system (12) cooperates with a partial enclosure environment (30, 100, 200) retaining a movable substrate (14) for receiving precipitated functional material (44) along a fluid delivery path (13) from the delivery system (12). A shadow mask (22) is arranged in close proximity to the movable substrate (14) for forming the patterned deposition on the movable substrate (14).

Abstract: An imaging composition comprising a mixture of a solvent and a functional material; wherein the solvent is a compressed fluid and the functional material is a hole injecting material which is dissolved, dispersed and/or solubilized in the compressed fluid; wherein the mixture is thermodynamically stable or thermodynamically metastable or both; wherein the functional material is solvent-free upon deposition on a substrate; and wherein the functional material forms a solid film upon deposition on the substrate.

Abstract: A system (10) produces patterned deposition on a substrate (14) from compressed fluids. A delivery system (12) cooperates with a controlled environment (30, 100, 200) retaining a substrate (14) for receiving precipitated functional material (44) along a fluid delivery path (13) from the delivery system (12). A mask (22) is arranged in close proximity to the substrate (14) for forming the patterned deposition on the substrate (14).