| PLASTIC LOGIC LIMITED Patent applications |
| Patent application number | Title | Published |
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| 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 |
| 20110101361 | OFF-SET TOP PIXEL ELECTRODE CONFIGURATION - A semiconductor device architecture where the top pixel electrode is deposited in an off-set configuration, such as to overlap the COM electrode, and also the gate electrode of the neighboring device. Such a configuration allows for improved device performance, resulting from features such as a greater storage capacitance. | 05-05-2011 |
| 20110095999 | ELECTRONIC DOCUMENT READING DEVICES - We describe an architecture for a large-area, touch-sensitive electronic document reading device which is able to tolerate bending. In broad terms, a control circuit board is mounted behind a flexible display structure in the housing and at respective points of attachment of first and second laminar connectors to the control circuit board each laminar connector has a plurality of electrical connections running along a longitudinal direction of the laminar connector and disposed alongside one another in a transverse direction across the laminar connector. At the respective points of attachment of the first and second laminar connectors to the control circuit board the longitudinal directions of the laminar connectors are aligned such that, when said device is flexed, a relative displacement in said longitudinal direction between said control circuit board and of said display structure can be tolerated without damage to the control electronics, touch sensitive display screen or connections therebetween. | 04-28-2011 |
| 20100295812 | FLEXIBLE TOUCH SCREEN DISPLAY - A touch sensitive active matrix display device is provided. The device includes a display fabricated on a first flexible substrate, said display having a viewing surface. The device further includes a touch sensitive sensor including a second flexible substrate, under said display. The touch sensor is operated by touching said viewing surface of said display, and said combined display and touch sensitive sensor is flexible. | 11-25-2010 |
| 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 |
| 20100127992 | MULTI-TOUCH ACTIVE DISPLAY KEYBOARD - The present invention relates to flexible resistive touch screen components. In particular, to a flexible resistive touch screen component that incorporates flexible resistive touch screen technology beneath a flexible display. The present invention provides a touch sensitive display device comprising a display fabricated on a flexible substrate, the display having a viewing surface; and a plurality of touch sensitive elements under the display, each of the plurality of touch sensitive elements comprising a touch sensitive sensor, the sensors being operable by touching the viewing surface of the display, and each of the plurality of touch sensitive elements having an output for outputting a signal responsive to the viewing surface being touched, wherein each of the plurality of touch sensitive elements defines a region of the viewing surface in which the touch sensitive element produces an output in response to a touch, and wherein the plurality of touch sensitive elements are arranged such that two or more substantially simultaneous touches of different regions of the viewing surface produces output signals corresponding to the two or more touches of the viewing surface. | 05-27-2010 |
| 20100090221 | DISTORTION TOLERANT PROCESSING - 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. | 04-15-2010 |
| 20100060563 | ELECTRONIC DOCUMENT READER - We describe an electronic document reading device having a front, display surface and a device rear surface, the device including a connector mounted on an edge of the device. The device includes a back panel having an exterior surface to provide the rear surface and an interior surface, wherein the back panel is substantially transparent and the interior surface of the back panel is substantially opaque, and wherein the back panel has a cut-out for the connector such that a rear surface of the connector is substantially flush with the device rear surface provided by the exterior of the transparent back panel, such that the opaque interior surface of the transparent back panel gives the impression of a device thinner than a physical thickness of the device defined by the substantially flush connector rear surface and the device rear surface. | 03-11-2010 |
| 20100018956 | ELIMINATION OF SHORT CIRCUITS BETWEEN CONDUCTORS BY LASER ABLATION - 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). | 01-28-2010 |
| 20100001307 | ENCAPSULATION FOR ELECTRONIC AND/OR OPTOELECTRONIC DEVICE - A method of processing a flexible encapsulation scheme to encapsulate a flexible device, such as a display device in order to provide structural support for the display module. An upper transparent encapsulation layer covers and protects the media and active area of the device. A lower encapsulation layer is deposited over the under side of the display to complete the encapsulation and the two protective encapsulation layers are sealed. A driver housing may be positioned at the opposite end of the device to the overlap region of the encapsulation layers in order to protect the driver electronics. | 01-07-2010 |
| 20090298299 | LASER ABLATION OF ELECTRONIC DEVICES - The present invention relates to methods of fabricating electronic devices using laser ablation and to devices fabricated thereby. Embodiments of the methods are particularly suitable for defining electrodes within thin film transistor (TFT) structures using laser ablation in a step-and-repeat mode. A method of fabricating an electronic device, the device comprising a plurality of layers on a substrate, the layers including an upper conductive layer and at least said conductive layer and said substrate, the method comprising: patterning said underlying layer; and patterning said upper conductive layer by laser ablation using a stepwise process in which successive areas of said upper conductive layer are ablated by successively applied laser patterns; wherein said successively applied laser patterns overlap one another in an overlap region; and wherein said method further comprises configuring a said laser pattern and said patterned underlying layer with respect to one another such that in a said overlap region said patterned underlying layer is substantially undamaged by said stepwise laser ablation. | 12-03-2009 |
| 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 |
| 20090113291 | Electronic Document Reader - 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 colour and at least one margin having said background colour, 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. | 04-30-2009 |
| 20090109185 | Electronic Document Reader - We describe a display device for displaying an electronic document page comprising a central rewritable portion, a non-rewritable border with external lateral physical dimensions defined by the display edges, wherein said border is coloured to substantially match a background colour of said central rewritable portion such that when a foreground part of said document page is displayed on said central rewritable portion the appearance of margins of said document page is provided by said background coloured border whereby in use said displayed electronic document page appears to extend up to said display edges, and wherein the surface of the display is substantially flat over the lateral physical dimensions from the central rewritable portion across the border to the display edges. | 04-30-2009 |
| 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 |
| 20080252210 | Electrode Patterning - A method is provided to isolated conductive pads on top of a multi-layer polymer device structure. The method utilizes laser radiation to ablate conductive material and create a non-conductive path, electrically isolating the conductive pads. The process is self-limiting and incorporates at least one layer within the stack that absorbs the radiation at the required wavelength. The prevention of radiation degradation of the underlying layers is achieved, as absorption of radiation occurs primarily on the surface of the structure, but not in any of the radiation sensitive underlying layers of the electronic device. The method preferably uses low energy infrared radiation which has been shown to produce little debris and no device degradation. | 10-16-2008 |
