Abstract: A technique of producing an electronic device, comprising: constructing a substantially planar stack of plastics film components by a process comprising at least: applying a first plastics film component to a second plastics film component via an adhesive; thereafter manipulating the stack so as to force the first and second plastics film components out of planar configurations into stressed configurations; and, with the first and second plastics film components in the stressed configurations, treating at least parts of the adhesive to increase the cohesion of the adhesive.

Abstract: An array component for a display device, comprising: an array of active light-emitting elements in a matrix, wherein at least some of the active light-emitting elements at a periphery of the array of active light-emitting elements have a light-emitting area that is (i) smaller than other active light-emitting elements more remote from said periphery, and (ii) different to other active light-emitting elements at said periphery of the array; wherein said active light-emitting elements are arranged in rows, and wherein (i) one or more of said active light-emitting elements in a row and at a periphery of the array have centroids aligned in a direction substantially parallel to the direction of the rows with (ii) other active light-emitting elements also in said row and more remote from said periphery.

Abstract: A method of forming a backlit curved display device, comprising: preparing at least one resiliently flexible plastics film component in a substantially planar configuration, which plastics film component forms at least part of an optical modulator component; flexing the plastics film component into a stressed configuration about a curved surface of a backlight component and bonding at least the plastics film component in the stressed configuration to the curved surface of the backlight component.

Abstract: A method of forming a curved optical modulator component for use with a backlight, wherein the optical modulator component comprises at least a control component including a support film supporting a stack of layers defining an array of pixel electrodes independently addressable via conductors outside the array of pixel electrodes; and wherein the method comprises: preparing at least said control component in a substantially planar configuration; forcibly flexing the control component into a stressed configuration about a curved surface of a first curved component and bonding the control component in the stressed configuration to the curved component on one side of the control component; and bonding a second curved component to at least the control component on an opposite side of the control component.

Abstract: An optoelectronic device comprising a unit, which unit comprises: a plurality of resiliently flexible sheet components bonded together, the resiliently flexible sheet components comprising: (i) a first sheet component comprising at least a stack of layers defining an array of pixel electrodes and electrical circuitry for independently addressing each pixel electrodes via addressing conductors outside the array of pixel electrodes; and (ii) a second sheet component bonded to a top surface of the first sheet component; wherein the device further comprises one or more driver chips bonded to the first sheet component in a location underlying the second component and for electrical contact between said addressing conductors and terminals of said one or more driver chips; and wherein the thickness of material in the unit in the region of the one or more driver chips is substantially the same as the thickness of material in the unit in the region of the array.

Abstract: A display device for conformal mounting on a curved surface inclined at an oblique angle relative to a horizontal plane, the display device comprising: a plurality of pixels, a first set of conductive lines connected to the plurality of pixels; and a second set of conductive lines connected to the plurality of pixels, wherein the first set of conductive lines and the second set of conductive lines are arranged to define a shape of each of the plurality of pixels such that the pixels appear, to a viewer, to extend at least one of horizontally or vertically across the display device when the display device is mounted on the curved surface.

Abstract: A multiple layer pixel architecture for an active matrix display is provided having a common bus line on a metal level separate from that on which the gate electrodes of the thin-film transistors (TFTs) are formed. A multilayer electronic structure includes a TFT for driving a pixel of an active matrix optoelectronic device and a capacitor for storing charge to maintain an electrical state of said active matrix pixel, wherein the structure includes a substrate bearing at least four conducting layers separated by at least three dielectric layers, first and second ones of said conducting layers defining drain/source electrodes and a gate electrode of said transistor respectively, and third and fourth ones of said conducting layers defining respective first and second plates of said capacitor, wherein said capacitor and said transistor are laterally positioned such that they overlap in a vertical direction.

Abstract: A technique, comprising: providing a pixelated display unit comprising an array of pixels, wherein the optical output for each pixel is independently controllable; applying a first color filter overlay to a viewing surface of said pixelated display unit, said first color filter overlay defining a first color pattern including one or more areas of a single color continuously extending over a plurality of pixels; operating said pixelated display unit to produce regions of differing brightnesses within said first color pattern; peeling said first color filter overlay from said viewing surface of said display unit; applying a second color filter overlay to said viewing surface of said display unit, said second color filter overlay defining a second color pattern including one or more areas of a single color continuously extending over a plurality of pixels; and operating said pixelated display unit to produce regions of differing brightnesses within said second color pattern.

Abstract: A portable apparatus for generating electrical energy is provided comprising: an electrical energy-generating device for generating electricity in response to input mechanical action; a gravity powered drive for supplying the said mechanical action to the electricity-generating device by the descent of a suspended mass under the force of gravity; and a re-energising mechanism adapted to cause the gravity powered drive to operate whilst the mass is being raised.

Abstract: A multiple layer pixel architecture for an active matrix display is provided having a common bus line on a metal level separate from that on which the gate electrodes of the thin-film transistors (TFTs) are formed. A multilayer electronic structure includes a TFT for driving a pixel of an active matrix optoelectronic device and a capacitor for storing charge to maintain an electrical state of said active matrix pixel, wherein the structure includes a substrate bearing at least four conducting layers separated by at least three dielectric layers, first and second ones of said conducting layers defining drain/source electrodes and a gate electrode of said transistor respectively, and third and fourth ones of said conducting layers defining respective first and second plates of said capacitor, wherein said capacitor and said transistor are laterally positioned such that they overlap in a vertical direction.

Abstract: A method of displaying colour data on an electronic paper display is displayed. The method comprises providing an electronic paper display having display pixels at a display pixel pitch and providing a colour filter for said display. Said colour filter comprises groups of coloured filter elements, each said coloured filter element having one of a plurality of different colours, wherein each group of coloured filter elements defines a pattern of said coloured filter elements. In said pattern a coloured filter element overlies an integral number, n, of said display pixels, where n is two or more. The method also comprises providing colour image data defining a plurality of colour image planes, one for each of said different colours. Data in a said colour image plane comprises image pixel data defining values for image pixels corresponding to said display pixels.

Abstract: A display assembly comprising: a magnetic support (18); at least one display panel (12) comprising a magnetic member (14); wherein said at least one display panel (12) is releasably mounted to said magnetic support (18) to form a display area on a front side of said support; and an electronic driver unit mounted to said support wherein said at least one display panel is electrically coupled to said electronic driver unit to drive said at least one display panel.

Abstract: A multiple layer pixel architecture for an active matrix display is provided in which a common bus line is formed on a metal level which is separate from that on which the gate electrodes of the thin-film transistors (TFTS) are formed. A multilayer electronic structure adapted to solution deposition, the structure includes a TFT for driving a pixel of an active matrix optoelectronic device and a capacitor for storing charge to maintain an electrical state of said active matrix pixel, wherein the structure includes a substrate bearing at least four conducting layers separeted by at least three dielectric layers, first and second ones of said conducting layers defining drain/source electrodes and a gate electrode of said transistor respectively, and third and fourth ones of said conducting layers defining respective first and second plates of said capacitor, and wherein said capacitor and said transistor are laterally positioned such that they overlap in a vertical direction.

Abstract: A portable apparatus if provided for generating electrical energy. The apparatus has an electrical energy-generating device for generating electricity in response to input mechanical action, and a gravity powered drive for supplying the said mechanical action to the electricity-generating device by the descent of a suspended mass under the force of gravity. A protection system is provided to prevent a drive force, experienced by the electrical energy-generating device due to the input mechanical action, from exceeding a predetermined threshold as a result of an overload condition. The protection system may perform the dual function of physically protecting the electrical energy-generating device whilst also providing clear feedback to the user that the apparatus is subjected to an undesirable overload condition.

Abstract: The application generally relates to reflective display apparatus having a flexible display panel and driver electronics to drive the flexible display panel and methods of forming a flexible display unit for a reflective display apparatus having a flexible display panel and driver electronics to drive the flexible display panel, and more particularly to tiled displays comprising reflective, e.g., electrophoretic, display medium.

Abstract: A technique comprising: assembling together a front plane (1) comprising a first flexible substrate (4) supporting a display medium (6a) and a backplane (2) comprising a second flexible substrate (8) supporting an array of electronic elements (9) for controlling said display medium; and creating an electrically conductive connection between first and second conductive elements (5 10) on opposing faces of the frontplane and backplane by sandwiching an electrically conductive structure (3) between the frontplane and backplane in the region of the first and second conductive elements, wherein the conductive structure is at least more flexible than the least flexible one of the front plane and backplane.

Abstract: We describe an electronic device including a display screen and having a housing, the housing having a front, display surface, wherein the display is a flexible display, and wherein the flexible display is bent at an angle to said display surface. In embodiments the flexible display comprises a flexible substrate bearing a display medium and interface electronics along one edge, and wherein said flexible display is bent such that a display portion of said display medium corresponds with said display surface and wherein said interface electronics are located in or beyond a bent region of said flexible display.

Abstract: A foldable electronic display comprising first and second display panels. Each said display panel has opposed viewing and back sides and a curved edge between said viewing and back sides. Each display panel further comprises an array of pixels comprising display medium an electronics to control said array of pixels to display an image on said viewing side. The display comprises coupling means configured to retain a said edge of said first display panel adjacent to and substantially aligned to a said edge of said second display panel. The pixel array of at least said first display panel is curved to extend from said front, viewing side of the display panel at least to a region of said curved edge of the display panel.

Abstract: A method of testing an electronic electrophoretic display comprising: connecting a remote device to said electronic display and displaying a user interface on said remote device. A user input to begin testing is then received and an an initialisation signal is sent from said remote device to said electronic display to clear said display. Another user input to display an image is then received and an image file is sent from said remote device to said electronic display to test said electronic display.

Abstract: 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.