Abstract: A pixel structure is provided comprising a plurality of sub-pixels, each sub-pixel comprising at least two sub-sub-pixels, each sub-sub-pixel being for the emission of light of one of at least two colors, the sub-sub-pixels being uniformly arranged within the sub-pixel, each sub-pixel of one pixel comprising the same arrangement of sub-sub-pixels. Furthermore, a reflective display comprising pixels with the pixel structure of the invention is provided, having an high image quality.

Abstract: The present invention provides a multicolor OLED pixel structure having a plurality of light emitting color elements, each color element emitting light of a particular color. Optical centers of the color elements coincide substantially at an optical center for the pixel structure and any portion of a color element of the pixel structure has an equally luminous portion of the same color element located diametrically opposite thereto with respect to the optical center of the pixel structure. Light from all the color elements adds to be able to form emitted white light. A plurality of pixel structures may be formed into an array for an active or passive display.

Abstract: A display element consisting of a display panel on which one or more lighting modules are fastened, wherein said display element includes a mechanical mounting interface for fastening said lighting module to said display panel.

Abstract: A method of designing a fixed format emissive display is described using a computing device having a processor and a memory, the display comprising an array of emissive pixel elements, each pixel element comprising at least two sub-pixel elements made of different materials. The method comprises selecting areas of the at least two sub-pixel elements so that each pixel element displays white at a predetermined white point within a certain tolerance over a lifetime of the pixel, and such that the lifetimes of the sub-pixel areas are within a predetermined tolerance of each other. A display having sub-pixel elements optimized so that each pixel element displays white at a predetermined white point within a certain tolerance over a lifetime of the pixel, and such that the lifetimes of the sub-pixel areas are within a predetermined tolerance of each other is also described.

Abstract: The present invention provides arrangements for electroluminescent displays 10 comprising a packaged semiconductor light emitting element 12 that has a light emitting display side 16. A heat sink 22 is disposed in the region of a rear side of the light-emitting element 12 opposite to the display side. Electrical connections 28 from the light emitting element 12 pass through said heat sink 22. Drive circuitry 30 for the light emitting element 12 is connected thereto by the electrical connections 28 and spaced apart from the heat sink 22 in such a manner that at least one cooling channel 34 is defined between the heat sink 22 and the drive circuitry 30 for the passage in use of a cooling fluid.

Abstract: A pixel module for use in a large-area display has a cluster of sequentially interconnected similar pixel modules that are driven by a central controller. The module includes pixel elements that have a serial video data bus input, and command input lines that are electrically connected to inputs of a latch. The latch has parallel inputs and outputs which are clocked with a data dock input. Also included are a current driver device for driving the pixels, a first inverter for driving the data clock input, an address input connected to a second inverter, an EEPROM connected to the input port, and a power supply.

Abstract: A display pixel module for use in a configurable large-screen display application, with an array of pixels (122) mounted at the front (200) of the module (120) and provided with input and output connectors (206–207), characterized in that at least some of the side walls (202) and of the upper and lower walls (203–204) are tapered inwardly, enclosing an angle (A) with the front (200) and in that it is provided with mounting means to fix the module on a mounting surface of a display.

Abstract: A display element including a display panel on which one or more lighting modules are fastened, wherein the display element further includes a mechanical mounting interface for fastening said lighting module to the display panel.

Abstract: A generic emissive intelligent display module that displays uniform hardware and power requirements, is capable of being formed into seamless display system, and is capable of displaying video or providing standard digital lighting technology in a single module. The module possesses an input for power, an input for serial data, and an input for communications data. The module further includes a control board and a display board. The control board includes display logic, power regulation, memory, display logic, and a display buffer. The display board includes a drive buffer, an array of drivers, and an array of lighting elements.

Abstract: Display including comprising a support holding a number of emissive lighting modules of single or multiple types wherein whereby the emissive lighting modules are provided of a mechanical packaging of non-rectilinear geometry, optionally a triangular, a rectangular, a pentagonal, a hexagonal or an octagonal geometry; and wherein the whereby said support can have a two or three dimensional shape, and optionally can be a display tile assembly, a brick assembly, a pole assembly, a cabled assembly, a strip assembly, a grid assembly, a direct-mount display assembly, a mounting curtain assembly section and/or a curtain bar mechanism.

Abstract: A video and/or lighting system including a lighting module and at least one optical element situated in front of the lighting module that includes an array of lighting elements, wherein the video and/or lighting system is provided with releasable attaching means for attaching the optical element to the lighting module, for a modular setup of said video and/or lighting system.

Abstract: An organic light-emitting diode drive circuit for a display application includes a plurality of organic light-emitting diodes (OLEDs) having an anode and a cathode, the organic light-emitting diodes being connected to anode lines and cathode lines, and at least one drive circuit. The organic light-emitting diodes are arranged in a common anode configuration, whereas the drive circuit is configured as a common anode drive device, so that each concerned cathode line can be connected by a respective first switch to a current source and so that each concerned anode line can be connected by a respective second switch to a positive power supply. The respective first switches are configured such that, when a cathode line is in use, a connection is made between the cathode line in use and the respective current source and, when the cathode line is unused, the cathode line is connected to a positive power supply.

Abstract: An organic light-emitting diode drive circuit for a display application includes a plurality of organic light-emitting diodes (OLEDs) having an anode and a cathode, the organic light-emitting diodes being connected to anode lines and cathode lines, and at least one drive circuit. The organic light-emitting diodes are arranged in a common anode configuration, whereas the drive circuit is configured as a common anode drive device, so that each concerned cathode line can be connected by a respective first switch to a current source and so that each concerned anode line can be connected by a respective second switch to a positive power supply The respective first switches are configured such that, when a cathode line is in use, a connection is made between the cathode line in use and the respective current source and, when the cathode line is unused, the cathode line is connected to a positive power supply.

Abstract: A pixel module for use in a large-area display, in particular as part of a cluster (118) of a plurality of sequentially interconnected similar pixel modules (120) and driven by a central controller (116), comprising one or more pixel elements (122), characterized in that it further comprises a serial video data bus input (SERIAL IN) and one or more command input lines (CMD's In) electrically connected to inputs of a latch (210) having parallel inputs and outputs and which is clocked with a data clock input (DATA CLK); a current driver device for driving said one or more pixels (122) which is electrically connected to the outputs of latch (210) and to the data clock input (DATA CLK) and which includes a serial output port (SERIAL OUT) for transmitting the serial data to the next pixel module (120) in sequence; a first inverter (214), the output of which (DATA CLK “not”) can be used to drive the data clock input (DATA CLK) of the next pixel module (120) in sequence; a grayscale clock (GS CLK) input which is ele

Abstract: The present invention is an electronic display system (100) that includes one or more electronic display apparatuses (110) wired or wirelessly connected to a network central processor (112). Each electronic display apparatus (110) further includes a receiver unit (114), a processor unit (116), a content database (118), driver circuitry (120), a printhead (122), and an electronic display (124). The electronic display (124) is typically a passive monochrome or full color display that is electrically writable and erasable and retains its image until erased and re-written by another transmission. In an alternative embodiment, electronic display (124) is a passive full-color display that is likewise electrically writable and erasable and retains its image until erased and re-written by another transmission.

Abstract: A method of designing a fixed format emissive display is described using a computing device having a processor and a memory, the display comprising an array of emissive pixel elements, each pixel element comprising at least two sub-pixel elements made of different materials. The method comprises selecting areas of the at least two sub-pixel elements so that each pixel element displays white at a predetermined white point within a certain tolerance over a lifetime of the pixel, and such that the lifetimes of the sub-pixel areas are within a predetermined tolerance of each other.

Abstract: The present invention provides a multicolor OLED pixel structure having a plurality of light emitting color elements, each color element emitting light of a particular color. Optical centers of the color elements coincide substantially at an optical center for the pixel structure and any portion of a color element of the pixel structure has an equally luminous portion of the same color element located diametrically opposite thereto with respect to the optical center of the pixel structure. Light from all the color elements adds to be able to form emitted white light. A plurality of pixel structures may be formed into an array for an active or passive display.

Abstract: The present invention provides arrangements for electroluminescent displays 10 comprising a packaged semiconductor light emitting element 12 that has a light emitting display side 16. A heat sink 22 is disposed in the region of a rear side of the light-emitting element 12 opposite to the display side. Electrical connections 28 from the light emitting element 12 pass through said heat sink 22. Drive circuitry 30 for the light emitting element 12 is connected thereto by the electrical connections 28 and spaced apart from the heat sink 22 in such a manner that at least one cooling channel 34 is defined between the heat sink 22 and the drive circuitry 30 for the passage in use of a cooling fluid.