Unipixel Displays, Inc.

E.i. Dupont De Nemours and Company

Eastman-kodak Company

Ed Sundaram Ramakrishnan

Daniel Keith Van Ostrand

Che-Hsiung Hsu

Shiva Prakash

Robert John Petcavich

Danliang Jin

Dmitry Kolosov

Alberto Goenaga

Systems and methods disclosed herein are directed towards flexographic printing of microscopic high resolution conductive patterns (HRCP). These HRCP may be printed using one or more formulations for high polarity and stable viscosity inks for use in the flexographic printing process. The inks may be water permeable, UV curable, and configured to resist loss of integrity when exposed to water and atmospheric moisture.

Ink formulations for flexographic printing of high-resolution conducting patterns

Disclosed herein are systems methods for using ink comprising organometallics in a flexographic printing process using engraved anilox rolls to transfer ink to an impression roll that prints a pattern on a substrate. A banded anilox roll with more than one geometry and/or volume of cells may be used in these production systems and methods. The pattern printed may comprise a plurality of lines which are each from 1 micrometer-25 micrometers wide and may be part of an electronics application such as a touch screen sensor or an RF antenna that requires microscopic conductive patterns such as touch screen displays or antennas.

Manufacturing of high resolution conductive patterns using organometallic ink and banded anilox rolls

A method of manufacturing a flexographic printing plate includes designing a photomask patterned design. The photomask patterned designed is laser-ablated into a thermal imaging layer. The laser-ablated thermal imaging layer is laminated to a top side of a flexographic printing plate substrate. A bottom side of the flexographic printing plate substrate is exposed to UV-A radiation. The top side of the flexographic printing plate substrate is exposed to UV-A radiation. The thermal imaging layer is removed. The flexographic printing plate substrate is developed. A flexographic printing system for printing a photomask includes an ink roll, an anilox roll, a printing plate cylinder, a flexographic printing plate disposed on the printing plate cylinder, and an impression cylinder. The flexographic printing plate comprises embossing patterns corresponding to a photomask patterned design. The flexographic printing plate may be used in a flexographic printing system to manufacture a photomask with flexography.

Method of manufacturing a photomask with flexography

In a flexographic printing system, both the process parameters and equipment setup and configuration may play a role in producing the desired printed pattern. One component of the equipment setup is the printer roller assembly which may comprise a roller and a flexoplate as well as tape. The properties of the flexoplate and the tape as well as the relative dimensions of each in the assembly may affect the geometry and quality of the transferred pattern, as well as the ability of the system to produce a pattern on a repeatable, consistent basis.

Flexographic printing using flexographic printing roll configurations

A method of printing uniform line widths with angle effect includes transferring ink to a flexo master comprising printing patterns disposed at an adjusted angle relative to a directional printing axis and transferring ink from the flexo master to a substrate. A flexographic printing system includes an ink roll, an anilox roll, a plate cylinder, a flexo master, and an impression cylinder. The flexo master is disposed on a plate cylinder. The flexo master includes printing patterns disposed at an adjusted angle relative to a directional printing axis.

Method of printing uniform line widths with angle effect

A method of manufacturing a flexographic printing plate includes designing a patterned design that includes a plurality of lines and a plurality of support structures and laser-ablating the patterned design into a thermal imaging layer. A support structure of the plurality of support structures is disposed at an offset relative to a line of the plurality of lines.

Method of manufacturing a flexographic printing plate with support structures

A system and method of preparing a flexoplate so it is suitable for the printing of high resolution patterns. The method includes controlling the curing conditions of the flexoplate, thereby controlling the properties of said flexoplate such as floor thickness, pattern cross-sectional geometry, repeatability of printed features during the printing process, and durability of the flexoplate during the printing process.

Optimization of UV curing

In a flexographic printing system, the both the process parameters and equipment setup and configuration may play a role in producing the desired printed pattern. One component of the equipment setup is the printer roller assembly which may comprise a roller and a flexoplate as well as tape. The properties of the flexoplate and the tape as well as the relative dimensions of each in the assembly may affect the geometry and quality of the transferred pattern, as well as the ability of the system to produce a pattern on a repeatable, consistent basis.

Flexographic printing using flexographic roll configurations

A method includes forming a master embossing roller to have a predetermined pattern, coating a flexible unpatterned substrate with a catalyst coating layer and forming a corresponding pattern in the coated substrate using the master embossing roller to thereby form a patterned substrate. The method may also include electrolessly plating the patterned substrate.

Photo-patterning using a translucent cylindrical master to form microscopic conductive lines on a flexible substrate

An electronic device can include an organic active layer and an electrode. In one aspect, the electrode can further include a first layer that is conductive, and a second layer that is conductive. The second layer can include a defect extending at least partly through a thickness of the second conductive layer. The electrode can also include a third layer lying within and substantially filling the defect, wherein each of the second and third layers includes a same metallic element. In another aspect, a process for forming an electronic device can include forming an organic active layer and forming a first layer that is conductive and is part of an electrode. The process can also include forming a second layer and exposing the second layer to a first plasma to form a first compound from the second layer.

Electronic device including an organic active layer and process for forming the electronic device

Compositions comprising at least one conductive polymer and an organic cation are provided, and methods for making the same.

Method for ameliorating the wide column gap defect in organic electronic devices

A method for measuring a layer of a device is provided. In an embodiment, a set of baseline reflectance profiles may be generated from a corresponding set of baseline devices. Each of the baseline devices may include a layer with a known thickness. A reflectance profile may also be generated from the device, which may include a layer with an unknown thickness. The reflectance profile generated from the device may then be compared to the set of reflectance profiles generated from the set of the baseline devices to determine the thickness of the layer of the device.

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The Woodlands, TX, United States of America

Ed Sundaram Ramakrishnan