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: 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 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: 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 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: 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: 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 an electroluminescent polymeric 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 of forming a color filter is provided. The method includes providing a mixture of a color filter material and a compressed fluid; providing at least a partially controlled environment for retaining a substrate, the at least partially controlled environment being in fluid communication with the mixture of the color filter material and the compressed fluid; providing a shadow mask in close proximity to the substrate retained in the at least partially controlled environment; and chargably releasing the mixture of the color filter material and the compressed fluid into the at least partially controlled environment, wherein the color filter material becomes free of the compressed fluid prior to contacting the substrate at locations defined by the shadow mask thereby forming a patterned 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: An effective desiccant for use in a package which has a material including at least in part solid particles of one or more materials, at least one of such materials having an average particle size range 0.001 to 0.1 micrometers to provide a high rate of water absorption and to provide an equilibrium minimum humidity level lower than a humidity level to which a highly moisture sensitive electronic device is sensitive within a sealed enclosure.

Abstract: A method is taught for forming a layer of polymeric electroluminescent material having a controlled thickness and surface uniformity. A polymeric electroluminescent material is delivered to a vessel. A fluid to the vessel is also delivered to the vessel. The fluid and the polymeric electroluminescent material in the vessel are compressed and heated to form a thermodynamically stable or metastable mixture. The thermodynamically stable or metastable mixture is sprayed at a surface, the fluid vaporizing during spraying with the the polymeric electroluminescent material being deposited as a light emitting layer on the surface.

Abstract: A method is taught for forming a layer of electroluminescent material having a controlled thickness and surface uniformity. An electroluminescent material is delivered to a vessel. A fluid to the vessel is also delivered to the vessel. The fluid and the electroluminescent material in the vessel are compressed and heated to form a thermodynamically stable or metastable mixture. The thermodynamically stable or metastable mixture is sprayed at a surface, the fluid vaporizing during spraying with the the electroluminescent material being deposited as a light emitting layer of nanoparticulates on the surface.

Abstract: An imaging composition comprises a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is an electroluminescent material which is dissolved, dispersed and/or solubilized in the compressed fluid; and wherein the mixture is thermodynamically stable or thermodynamically metastable or both.

Abstract: An imaging composition comprising a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is dispersed and/or solubilized in the compressed fluid; and wherein the mixture is thermodynamically stable or thermodynamically metastable or both.

Abstract: A method and apparatus for delivering solvent free marking material to a receiver is provided. A printhead includes a discharge device having an inlet and an outlet with a portion of the discharge device defining a delivery path. An actuating mechanism is moveably positioned along the delivery path. A material selection device has an inlet and an outlet with the outlet of the material selection device being connected in fluid communication to the inlet of the discharge device. The inlet of the material selection device is adapted to be connected to a pressurized source of a thermodynamically stable mixture of a fluid and a marking material, wherein the fluid is in a gaseous state at a location beyond the outlet of the discharge device. A calibration station is positioned relative to the printhead. Additionally, or alternatively, a cleaning station is positioned relative to the printhead.

Abstract: A method and an apparatus for continuously delivering a solvent free marking material to a receiver includes a printhead with a discharge device is provided. The discharge device has an outlet and is in fluid communication with a pressurized reservoir of a thermodynamically stable mixture of a compressed fluid solvent and a marking material. The marking material becomes free of the solvent after ejected through the discharge device. A deflection mechanism is positioned relative to the outlet of the discharge device. The deflection mechanism is adapted to selectively deflect the marking material away from a first path to a second path. A gutter is positioned at an end of the first path, and the solvent free marking material is collected by the gutter. A receiver transporting mechanism is positioned at an end of the second path and the receiver transporting mechanism is adapted to provide a receiver to allow solvent free marking material be deposited on the receiver.

Abstract: A method and apparatus for delivering solvent free marking material to a receiver is provided. A printhead includes a discharge device having an inlet and an outlet with a portion of the discharge device defining a delivery path. An actuating mechanism is moveably positioned along the delivery path. A material selection device has an inlet and an outlet with the outlet of the material selection device being connected in fluid communication to the inlet of the discharge device. The inlet of the material selection device is adapted to be connected to a pressurized source of a thermodynamically stable mixture of a fluid and a marking material, wherein the fluid is in a gaseous state at a location beyond the outlet of the discharge device.

Abstract: A method and apparatus for delivering solvent free marking material to a receiver is provided. A printhead includes a discharge device having an inlet and an outlet with a portion of the discharge device defining a delivery path. An actuating mechanism is moveably positioned along the delivery path. A material selection device has an inlet and an outlet with the outlet of the material selection device being connected in fluid communication to the inlet of the discharge device. The inlet of the material selection device is adapted to be connected to a pressurized source of a thermodynamically stable mixture of a fluid and a marking material, wherein the fluid is in a gaseous state at a location beyond the outlet of the discharge device. A calibration station is positioned relative to the printhead. Additionally, or alternatively, a cleaning station is positioned relative to the printhead.

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.