Patents by Inventor Paul A. Cain
Paul A. Cain has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8969852Abstract: An electronic device including at least first and second transistors integrated together on a substrate and each including an organic semiconductor region, wherein the first and second transistors are either both n-type or both p-type but wherein one of the first and second transistors is a normally-ON transistor and the other of the first and second transistors is a normally-OFF transistor.Type: GrantFiled: September 10, 2004Date of Patent: March 3, 2015Assignee: Plastic Logic LimitedInventors: Paul A. Cain, Henning Sirringhaus, Nicholas J. Stone, Thomas M. Brown
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Patent number: 8900955Abstract: 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.Type: GrantFiled: September 15, 2012Date of Patent: December 2, 2014Assignees: Cambridge Enterprise Limited, Plastic Logic LimitedInventors: Paul A. Cain, Yong-Young Noh, Henning Sirringhaus
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Patent number: 8859312Abstract: A method of manufacturing an integrated circuit (IC) for driving a flexible display includes depositing a pattern of spatially non-repetitive features in a first layer on a flexible substrate, said pattern of spatially non-repetitive features not substantially regularly repeating in both of two orthogonal directions (x,y) in the plane of the substrate; depositing a pattern of spatially repetitive features in a second layer on said first layer; aligning said second layer and said first layer so as to allow electrical coupling between said non-repetitive features and said repetitive features, wherein distortion compensation is applied during deposition of said repetitive features to enable said alignment.Type: GrantFiled: October 1, 2007Date of Patent: October 14, 2014Assignee: Plastic Logic LimitedInventors: Carl Hayton, Paul A. Cain
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Patent number: 8834305Abstract: Bamboo lacrosse shafts and methods for manufacturing bamboo lacrosse shafts are disclosed.Type: GrantFiled: June 28, 2011Date of Patent: September 16, 2014Assignee: Bamshaft, Inc.Inventor: Paul Cain
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Patent number: 8808120Abstract: Bamboo lacrosse shafts and methods of manufacturing bamboo lacrosse shafts are disclosed.Type: GrantFiled: March 22, 2011Date of Patent: August 19, 2014Assignee: Bamshaft, Inc.Inventor: Paul Cain
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Publication number: 20140071557Abstract: A method of producing a plurality of pixellated display devices, each device including a first component comprising an array of independently controllable pixel electrodes; and a second component comprising an array of pixel filters comprising at least two different types of pixel filters of differing optical transmission characteristics, each pixel filter being associated with a respective one of said pixel electrodes; wherein the method comprises: producing said first component by a production method that inevitably results in some distortion within the array of pixel electrodes causing up to a maximum degree of variation in pixel electrode pitch between different regions of said array of pixel electrodes; applying said second component to said first component by a technique that can result in up to a maximum degree of misalignment between an alignment reference position on the first component and an alignment reference position on the second component; and configuring said array of pixel filters as an arraType: ApplicationFiled: May 11, 2012Publication date: March 13, 2014Applicant: PLASTIC LOGIC LIMITEDInventor: Paul Cain
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Publication number: 20140057433Abstract: A technique comprising: forming laterally-extending switching circuitry of a device for controlling an overlying laterally-extending array of pixel conductors of said device; forming an electrically conductive laterally-extending patterned screen over said switching circuitry via a first insulating region, said patterned screen defining holes for receiving conductive interlayer connects between said switching circuitry and said array of pixel conductors; and thereafter: forming a second insulating region over said patterned screen, forming said array of pixel conductors over said patterned screen via said second insulating region for capacitative coupling with said patterned screen, forming through holes through at least said first and second insulating regions at the locations of said holes defined in said patterned screen, and forming said interlayer connects in said through holes; and wherein said patterned screen is configured such that the area of overlap between the array of pixel conductors and underlyType: ApplicationFiled: April 11, 2012Publication date: February 27, 2014Applicant: PLASTIC LOGIC LIMITEDInventors: Paul Cain, Shane Norval, Boon Hean Pui
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Publication number: 20140048835Abstract: A technique of producing a control component for a reflective display device, comprising: forming an array of electronic switching devices; forming over said array of electronic switching devices an insulator region defining a controlled surface topography; and forming on the patterned surface of the insulator region by a conformal deposition technique a substantially planar array of reflective pixel conductors each independently controllable via a respective one of the array of electronic switching devices, wherein each pixel conductor exhibits specular reflection at a range of reflection angles relative to the plane of the array of pixel conductors for a given incident angle relative to the plane of the array of pixel conductors.Type: ApplicationFiled: April 5, 2012Publication date: February 20, 2014Applicant: Plastic Logic LimitedInventor: Paul Cain
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Patent number: 8539341Abstract: We describe a method of displaying a document page with a predetermined size using a display device having edges defining lateral dimensions not substantially larger than said predetermined size and having a central re-writable display portion and a non-re-writable border, said document page comprising a central, foreground portion bearing one or both of text and graphics, a background having a background color and at least one margin having said background color, the method comprising: inputting page data defining a page for display; processing said page data to crop margins of said page such that, when displayed on said re-writable display portion, said non-re-writable border gives the appearance of said cropped margins, said processing generating cropped page data; and outputting said cropped page data for display on said re-writable display portion of said display.Type: GrantFiled: June 13, 2008Date of Patent: September 17, 2013Assignee: Plastic Logic LimitedInventors: Duncan Barclay, Steven Farmer, Carl Hayton, Simon Joines, Anusha Nirmalananthan, Paul A. Cain, Barry Merrick
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Patent number: 8471172Abstract: A method of selectively eliminating electrical shorts and other electrical defects from specific layers of a multilayer electronic device without damaging underlying layers. The method is based on a combination of an automated detection of the defects and selective laser ablation patterning (SLAP).Type: GrantFiled: December 6, 2007Date of Patent: June 25, 2013Assignee: Plastic Logic LimitedInventors: Jim Watts, Paul A. Cain, Mike J. Banach
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Patent number: 8462124Abstract: An electronic document reading device includes an electronic page having at least one display surface and a page support. The page is attached to the page support such that the page is physically turnable. The device also includes a memory to store at least part of a document to be read and a page driver coupled to the memory, to drive the page display surface to display a first stored portion of the document. The device further includes a sensing system to sense turning of the page and an update control system coupled to the sensing system to control update of the display surface with a second stored portion of the document responsive to sensing of the page turning. The update control system is configured to control the updating such that the updating is at least partially hidden from a viewpoint of a user of the device.Type: GrantFiled: August 10, 2006Date of Patent: June 11, 2013Assignee: Plastic Logic LimitedInventors: Paul Cain, Tim Yeoh
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Publication number: 20130075734Abstract: 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.Type: ApplicationFiled: September 15, 2012Publication date: March 28, 2013Inventors: Paul A. Cain, Yong-Young Noh, Henning Sirringhaus
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Patent number: 8349673Abstract: A method of producing a plurality of transistors each including a source/drain electrode pair comprising a conductor material and a channel comprising semiconductor material between the source and drain electrodes of said source/drain electrode pair; the method comprising (i) forming over a substrate at least a first layer of said conductor material or a precursor thereto and a second layer of said semiconductor material or a precursor thereto; and (ii) thereafter removing selected portions of at least said first and second layers so as to define at least two adjacent source/drain electrode pairs that are unconnected to each other within said first and second layers.Type: GrantFiled: April 3, 2006Date of Patent: January 8, 2013Assignee: Plastic Logic LimitedInventors: Paul A. Cain, Carl Hayton, Anoop Menon, Thomas M. Brown
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Publication number: 20130005516Abstract: Bamboo lacrosse shafts and methods for manufacturing bamboo lacrosse shafts are disclosed.Type: ApplicationFiled: June 28, 2011Publication date: January 3, 2013Applicant: Cain & CompanyInventor: Paul Cain
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Publication number: 20110250995Abstract: Bamboo lacrosse shafts and methods of manufacturing bamboo lacrosse shafts are disclosed.Type: ApplicationFiled: March 22, 2011Publication date: October 13, 2011Applicant: Cain & CompanyInventor: Paul Cain
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Patent number: 7947612Abstract: A method of producing an array of electronic devices, the method including the steps of: forming one or more first conductive elements of a first electronic device on a substrate and one or more second conductive elements of a second electronic device on said substrate; and forming a layer of channel material over the substrate and the first and second conductive elements to provide a first channel for, in use, the movement of charge carriers between conductive elements of said first electronic device and a second channel for, in use, the movement of charge carriers between conductive elements of said second electronic device; wherein the method also includes the step (a) of using an irradiative technique to decrease in a single step the conductivity of one or more selected portions of the layer of channel material in one or more regions between the first and second conductive elements.Type: GrantFiled: December 16, 2005Date of Patent: May 24, 2011Assignee: Plastic Logic LimitedInventor: Paul A. Cain
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Publication number: 20100090221Abstract: A method of manufacturing an integrated circuit (IC) for driving a flexible display includes depositing a pattern of spatially non-repetitive features in a first layer on a flexible substrate, said pattern of spatially non-repetitive features not substantially regularly repeating in both of two orthogonal directions (x,y) in the plane of the substrate; depositing a pattern of spatially repetitive features in a second layer on said first layer; aligning said second layer and said first layer so as to allow electrical coupling between said non-repetitive features and said repetitive features, wherein distortion compensation is applied during deposition of said repetitive features to enable said alignment.Type: ApplicationFiled: October 1, 2007Publication date: April 15, 2010Applicant: Plastic Logic LimitedInventors: Carl Hayton, Paul Cain
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Patent number: 7696090Abstract: A rectifying diode comprising a semiconducting layer, a first electrode, and a second electrode, wherein the width of the region of closest contact between the two electrodes is on the order of the thickness of the semiconducting layer.Type: GrantFiled: July 2, 2004Date of Patent: April 13, 2010Assignee: Plastic Logic LimitedInventors: Paul A. Cain, Henning Sirringhaus, Anoop Menon, Catherine Ramsdale, Tim Von Werne
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Publication number: 20100066685Abstract: An electronic document reading device includes an electronic page having at least one display surface; a page support, said page being attached to said page support such that said page is physically turnable; a memory to store at least part of a document to be read; a page driver coupled to said memory, to drive said page display surface to display a first stored portion of said document; a sensing system to sense turning of said page; and an update control system coupled to said sensing system to control update of said display surface with a second stored portion of said document responsive to sensing of said page turning; and wherein said update control system is configured to control said updating such that said updating is at least partially hidden from a viewpoint of a user of the device.Type: ApplicationFiled: August 10, 2006Publication date: March 18, 2010Inventors: Paul Cain, Tim Yeoh
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Publication number: 20100018956Abstract: A method of selectively eliminating electrical shorts and other electrical defects from specific layers of a multilayer electronic device without damaging underlying layers. The method is based on a combination of an automated detection of the defects and selective laser ablation patterning (SLAP).Type: ApplicationFiled: December 6, 2007Publication date: January 28, 2010Applicant: PLASTIC LOGIC LIMITEDInventors: Jim Watts, Paul A. Cain, Mike Banach