Patent application number | Description | Published |
20090127588 | PATTERNING TECHNIQUES - A method of forming a patterned layer, including the steps of: (i) depositing via a liquid medium a first material onto a substrate to form a first body on said substrate; (ii) depositing via a liquid medium a second material onto said substrate to form a second body, wherein said first body is used to control said deposition of said second material so as to form a patterned structure including said first and second bodies; and (iii) using said patterned structure to control the removal of selected portions of a layer of material in a dry etching process or in a wet etching process using a bath of etchant. | 05-21-2009 |
20090232969 | ELECTRONIC DEVICES - A method of producing an electronic device including the steps of: (i) providing a body including a first, conductive element separated from a first surface of said body by a portion of said body; (ii) removing a selected portion of said body to define a recess in said body extending from said first surface and via which a portion of said first element is exposed; and (iii) putting into said recess a liquid medium carrying a first material; wherein said first material is preferentially deposited on the exposed inner surface of said body defining said recess, and wherein the deposited first material is used to provide a connection between said first element and a second conductive element located within said body or later deposited over said first surface of said body. | 09-17-2009 |
20100044684 | BLENDED POLYMER FETS - 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. | 02-25-2010 |
20100051916 | METHOD FOR FORMING AN ELECTRONIC DEVICE IN MULTI-LAYER STRUCTURE - A method for forming an organic or partly organic switching device, comprising: depositing layers of conducting, semiconducting and/or insulating layers by solution processing and direct printing; defining microgrooves in the multilayer structure by solid state embossing; and forming a switching device inside the microgroove. | 03-04-2010 |
20100155708 | REDUCING DEFECTS IN ELECTRONIC SWITCHING DEVICES - A technique for isolating electrodes on different layers of a multilayer electronic device across an array containing more than 100000 devices on a plastic substrate. The technique comprises depositing a bilayer of a first dielectric layer ( | 06-24-2010 |
20110008929 | ALIGNED POLYMERS FOR AN ORGANIC TFT - 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. | 01-13-2011 |
20110101344 | SEMICONDUCTOR MATERIAL - 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. | 05-05-2011 |
20110207300 | ELECTRONIC DEVICES - 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. | 08-25-2011 |
20110229073 | Optoelectronic Devices - The present invention relates integrated optoelectronic devices comprising light emitting field-effect transistors. We describe an optoelectronic device comprising a light-emitting field effect transistor (LFET) with an organic semiconductor active layer and a waveguide integrated within the channel of the light-emitting field effect transistor, wherein said waveguide comprises a material which has a higher refractive index than said organic semiconductor. We also describe a light-emitting organic field transistor integrated with a ridge or rib waveguide incorporated within the channel of the LFET; and a similar light-emitting organic field effect transistor in which the waveguide incorporates an optical feedback mechanism. | 09-22-2011 |
20110232954 | Method of Patterning an Electronig of Photonic Material - 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. | 09-29-2011 |
20120037901 | OXIDE SEMICONDUCTOR - The present invention provides highly-stable oxide semiconductors which make it possible to provide devices having an excellent stability. The oxide semiconductor according to the present invention is an amorphous oxide semiconductor including at least one of indium (In), zinc (Zn), and Tin (Sn) and at least one of an alkaline metal or an alkaline earth metal having an ionic radius greater than that of gallium (Ga), and oxygen. | 02-16-2012 |
20120193655 | ALIGNMENT TOLERANT PATTERNING ON FLEXIBLE SUBSTRATES - 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. | 08-02-2012 |
20120273788 | PRINTED ELECTRONIC DEVICE - 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. | 11-01-2012 |
20120280216 | PATTERNING - 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. | 11-08-2012 |
20130027458 | DISTORTION COMPENSATION FOR PRINTING - 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. | 01-31-2013 |
20130260058 | ELECTRONIC DEVICES - 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. | 10-03-2013 |
20140027745 | BLENDED POLYMER FETS - 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. | 01-30-2014 |
Patent application number | Description | Published |
20090109468 | DOCUMENT PRINTING TECHNIQUES - 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. | 04-30-2009 |
20090219271 | ELECTRONIC DOCUMENT READER SYSTEM - 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. | 09-03-2009 |
Patent application number | Description | Published |
20080265244 | Alignment Tolerant Patterning on Flexible Substrates - 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. | 10-30-2008 |
20090009812 | Distortion Compensation for Printing - 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. | 01-08-2009 |
20090166612 | Techniques for Device Fabrication with Self-Aligned Electrodes - This invention relates to the fabrication of electronic devices, such as thin-film transistors, in particular thin-film transistors in which patterning techniques are used for definition of electrode patterns that need to be accurately aligned with respect to underlying electrodes. The fabrication technique is applicable to various patterning techniques, such as laser ablation patterning or solution-based, direct-write printing techniques which are not capable of forming structures with a small linewidth, and/or that cannot be positioned very accurately with respect to previously deposited patterns. We thus describe self-aligned gate techniques which are applicable for both gate patterning by a subtractive technique, in particular selective laser ablation patterning, and gate patterning by an additive technique such as printing. The techniques facilitate the use of low-resolution gate patterning. | 07-02-2009 |
20120112178 | OPTOELECTRONIC DEVICES - An optoelectronic device comprises electon donor D and acceptor A semiconducting species and an intervening co-oligomeric or copolymeric species provided to alter the energy transfer characteristics of excitons to or from the interface between the said electron acceptor and donor species. The intervening species may be of the form A | 05-10-2012 |
20130005124 | METHOD FOR MANUFACTURING A METAL OXIDE SEMICONDUCTOR - 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. | 01-03-2013 |
20130075734 | THIN FILM TRANSISTOR DEVICE WITH ACCURATELY ALIGNED ELECTRODE PATTERNS - 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. | 03-28-2013 |