Abstract: One aspect in the present disclosure relates to a method for manufacturing an amorphous metal oxide semiconductor. In an exemplary embodiment, a film is deposited on a substrate from a mixed solution as a starting element. For example, the mixed solution includes at least an indium alkoxide and a zinc alkoxide in a solvent. The film made from the mixed solution on the substrate is cured by thermal-annealing in a water vapor atmosphere, at a temperature range of, for example, 210 to 275 degrees Celsius, inclusive.

Abstract: A printing machine includes a substrate and at least one printhead with at least two material deposition channels which are movable with respect to the substrate, wherein the printhead is mounted on a stage which allows rotation of the printhead around an axis perpendicular to the substrate and translation in a direction perpendicular to the print direction, and wherein during each print swath, the rotation angle and translation values of the printhead are varied in order to change the pitch and the lateral position in the direction perpendicular to the print direction of material deposited from the different deposition channels; and an algorithm which computes the required rotation angles and translation values for a given pattern of substrate distortion.

Abstract: We describe a portable paperless electronic printer for displaying a printed document on an electronic paper display. The paperless electronic printer includes an input to receive print data from an output of a printer driver of a computerised electronic device, a non-volatile electrophoretic display to provide an electronic paper display of stored said print data for a said document page to mimic said document page when printed on paper; and a processor coupled to said input, to non-volatile memory, and to said non-volatile electrophoretic display and configured to input said print data, to store said data derived from said print data in said non-volatile memory, and to provide to said non-volatile electrophoretic display data for displaying a said document page derived from said stored data.

Abstract: The present invention provides a method of patterning an electronic or photonic material on a substrate comprising: forming a film of said electronic or photonic material on said substrate; and using an adhesive to selectively remove regions of said electronic or photonic material from said film, thereby leaving on said substrate said patterned electronic or photonic material.

Abstract: A method for forming an electronic switching device on a substrate, wherein the method comprises depositing the active semiconducting layer of the electronic switching device onto the substrate from a liquid dispersion of ligand-modified colloidal nanorods, and subsequently immersing the substrate into a growth solution to increase the diameter and/or length of the nanorods on the substrate, and wherein the as-deposited nanorods are aligned such that their long-axis is aligned preferentially in the plane of current flow in the electronic switching device.

Abstract: A method for forming a semiconductor body, the method comprising: forming a mixture of an organic semiconducting material and a binder material; causing the semiconducting material to at least partially solidify; and causing the binder material to crystallize in such a way as to cause the semiconducting material to at least partially segregate from the binder material.

Abstract: A method is provided for fabricating a multilayer electronic device on a flexible substrate including at least a first and a second patterned layer, wherein the first patterned layer is defined with a linewidth that is smaller than the linewidth of the second patterned layer, and the second patterned layer is defined by a patterning technique which is capable of correcting for local distortions of the pattern of said first layer on top of the flexible substrate and wherein the first patterned layer is laid-out in such a way that the geometric overlap between a portion of the second layer and a portion of the first layer is insensitive against small variations of the position of the second patterned layer.

Abstract: A method for forming an electronic device having a multilayer structure, comprising: embossing a surface of a substrate so as to depress first and second regions of the substrate relative to at least a third region of the substrate; depositing conductive or semiconductive material from solution onto the first and second regions of the substrate so as to form a first electrode on the first region and a second electrode on the second region, wherein the electrodes are electrically insulated from each other by the third region.

Abstract: A method for forming an electronic device having a semiconducting active layer comprising a polymer, the method comprising aligning the chains of the polymer parallel to each other by bringing the polymer into a liquid-crystalline phase.

Abstract: A method for forming a semiconductor body, the method comprising: forming a mixture of an organic semiconducting material and a binder material; causing the semiconducting material to at least partially solidify; and causing the binder material to crystallize in such a way as to cause the semiconducting material to at least partially segregate from the binder material.

Abstract: An electronic device comprising an optically transparent substrate, a first electrode structure incorporating a channel, said channel being optically transparent and said electrode structure being optically opaque, at least one intermediate layer, and a photosensitive dielectric layer disposed above the at least one intermediate layer, the photosensitive dielectric layer incorporating a trench in a region essentially over said channel, the electronic device further comprising a further electrode, wherein the further electrode is located partially in the trench and partially beyond the trench such that portions of the further electrode that extend beyond the trench are separated from the at least one intermediate layer by the photosensitive dielectric layer.

Abstract: A device architecture for an active matrix display pixel comprising source addressing lines and TFT drain electrode formed on a first metal level of the device, the pixel electrode formed on a second, separate metal level, and the TFT gate electrode and gate addressing lines on a third metal level separated from both the first level and the second level by at least one dielectric layer, wherein the pixel electrode on the second level is electrically connected to the drain electrode on the first level through a via-hole connection and a pixel capacitor is formed by overlap of part of the pixel electrode on the second level with a portion of the gate addressing line of a neighboring line of pixels on the third level. The device is formed preferably using print based methods.

Abstract: A printing machine includes a substrate and at least one printhead with at least two material deposition channels which are movable with respect to the substrate, wherein the printhead is mounted on a stage which allows rotation of the printhead around an axis perpendicular to the substrate and translation in a direction perpendicular to the print direction, and wherein during each print swath, the rotation angle and translation values of the printhead are varied in order to change the pitch and the lateral position in the direction perpendicular to the print direction of material deposited from the different deposition channels; and an algorithm which computes the required rotation angles and translation values for a given pattern of substrate distortion.

Abstract: A semiconductor device which comprises a channel layer formed from a semiconductor channel component material in the form of crystalline micro particles, micro rods, crystalline nano particles, or nano rods, and doped with a semiconductor dopant.

Abstract: One aspect in the present disclosure relates to a method for manufacturing an amorphous metal oxide semiconductor. In an exemplary embodiment, a film is deposited on a substrate from a mixed solution as a starting element. For example, the mixed solution includes at least an indium alkoxide and a zinc alkoxide in a solvent. The film made from the mixed solution on the substrate is cured by thermal-annealing in a water vapor atmosphere, at a temperature range of, for example, 210 to 275 degrees Celsius, inclusive.

Abstract: The present invention provides a method of patterning an electronic or photonic material on a substrate comprising: forming a film (polymer A) of said electronic or photonic material on said substrate; and using a fluoropolymer (e.g. cytop) to protect regions of said electronic or photonic material during a patterning process.

Abstract: This invention generally relates to a patterned substrate for an electronic device and to electronic devices, device arrays, field effect transistors and transistor arrays comprising the patterned substrate. The invention also relates to a logic circuit, display, memory or sensor device comprising the patterned substrate. Further the invention relates to a method of patterning a substrate for an electronic device. In an embodiment, a patterned substrate for an electronic device comprises: a first body having an edge; a second body comprising an elongate plurality of printed droplets having an edge adjacent to and substantially aligned to said first body edge; and a separation between said first body edge and said second body edge, wherein said elongate plurality of printed droplets is at an angle of about 5 degrees to about 90 degrees to said first body edge.

Abstract: A printing machine includes a substrate and at least one printhead with at least two material deposition channels which are movable with respect to the substrate, wherein the printhead is mounted on a stage which allows rotation of the printhead around an axis perpendicular to the substrate and translation in a direction perpendicular to the print direction, and wherein during each print swath, the rotation angle and translation values of the printhead are varied in order to change the pitch and the lateral position in the direction perpendicular to the print direction of material deposited from the different deposition channels; and an algorithm which computes the required rotation angles and translation values for a given pattern of substrate distortion.

Abstract: A method is provided for fabricating a multilayer electronic device on a flexible substrate including at least a first and a second patterned layer, wherein the first patterned layer is defined with a linewidth that is smaller than the linewidth of the second patterned layer, and the second patterned layer is defined by a patterning technique which is capable of correcting for local distortions of the pattern of said first layer on top of the flexible substrate and wherein the first patterned layer is laid-out in such a way that the geometric overlap between a portion of the second layer and a portion of the first layer is insensitive against small variations of the position of the second patterned layer.

Abstract: We describe an electronic document reader system for viewing electronic documents, in which the electronic documents are viewable on a removable electronic document reader display that is useable whilst removed from an electronic document reader display holder. The system comprises: a removable non-volatile display for viewing electronic documents thereon, the display having a display portion on which electronic documents are viewable; a display holder for receiving the removable display, the display holder comprising a back, and an open front shaped to receive the removable display, each of the display and the holder having an electrical interface, wherein, when the removable display is received in the open front, the removable display and holder form an electrically connected combined unit to enable the display to receive document data from the holder for display, and wherein the removable display is useable to read electronic documents when removed from the display holder.