Patents by Inventor Patrick Willem

Patrick Willem 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).

  • Patent number: 12555525
    Abstract: A driver circuit for driving a matrix of N×M pixels of a light emitting module. Each pixel is composed of at least three types of light emitting elements. The light emitting elements are driven by a modulation control signal. The driver circuit is embedded in a TFT layer. It is configured to cooperate with N multiplexers provided in an external driver circuit, each multiplexer being configured to drive one line of M pixels. It is also configured to cooperate with one external current source per type of light emitting element, each external current source being mirrored M times on the matrix of the driver circuit and being arranged in series with a signal switch for generating the control signal provided for each of the M columns.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: February 17, 2026
    Assignee: BARCO N.V.
    Inventors: Patrick Willem, Bart Van Den Bossche, Peter Gerets, Wim Van Eessen
  • Publication number: 20250324755
    Abstract: A display panel and a method for manufacturing a display panel that includes a front side and a back side, the display panel including a substrate having a plurality of electrical components provided on a front side of the substrate and integrated circuits connected to the plurality of electrical components, the integrated circuits being embedded in the substrate. A plurality of edge contacts is also provided along edges of the substrate, where the plurality of edge contacts is electrically connected with the integrated circuits. An electrically conductive layer covers at least a part of the front side of the substrate and surrounds the plurality of electrical components, where the electrically conductive layer does not physically contact the embedded integrated circuits and provides EMI shielding to different components of the display panel.
    Type: Application
    Filed: June 25, 2025
    Publication date: October 16, 2025
    Applicant: BARCO N.V.
    Inventors: Wim VAN EESSEN, Patrick WILLEM, Bart VAN DEN BOSSCHE, Peter GERETS
  • Patent number: 12369396
    Abstract: A display panel (65) and a method for manufacturing a display panel (65) that includes a front side and a back side, the display panel (65) including a substrate having a plurality of electrical components provided on a front side of the substrate and integrated circuits connected to the plurality of electrical components, the integrated circuits being embedded in the substrate. A plurality of edge contacts (54, 62) is also provided along edges of the substrate, where the plurality of edge contacts (54, 62) is electrically connected with the integrated circuits. An electrically conductive layer (51, 61) covers at least a part of the front side of the substrate and surrounds the plurality of electrical components, where the electrically conductive layer (51, 61) does not physically contact the embedded integrated circuits and provides EMI shielding to different components of the display panel (65).
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: July 22, 2025
    Assignee: BARCO N.V.
    Inventors: Wim Van Eessen, Patrick Willem, Bart Van Den Bossche, Peter Gerets
  • Publication number: 20240371320
    Abstract: A driver circuit for driving a matrix of N×M pixels of a light emitting module. Each pixel is composed of at least three types of light emitting elements. The light emitting elements are driven by a modulation control signal. The driver circuit is embedded in a TFT layer. It is configured to cooperate with N multiplexers provided in an external driver circuit, each multiplexer being configured to drive one line of M pixels. It is also configured to cooperate with one external current source per type of light emitting element, each external current source being mirrored M times on the matrix of the driver circuit and being arranged in series with a signal switch for generating the control signal provided for each of the M columns.
    Type: Application
    Filed: June 30, 2022
    Publication date: November 7, 2024
    Applicant: BARCO N.V.
    Inventors: Patrick WILLEM, Bart VAN DEN BOSSCHE, Peter GERETS, Wim VAN EESSEN
  • Publication number: 20240290927
    Abstract: A light emitting module for a light emitting display, including a first backplane and a third backplane arranged in a stackup. The first backplane includes a thin film transistor (TFT) layer deposited on a first substrate, the TFT layer further including a plurality of light emitting elements, associated contact pads and conducting tracks. The third backplane is provided on top of the light emitting elements, includes cavities at the locations of the light emitting elements and includes at least a ground layer and a power layer. The upper and lower layers of the third backplane are provided by alternatively the ground layer and the power layer for contacting the light emitting elements.
    Type: Application
    Filed: June 30, 2022
    Publication date: August 29, 2024
    Applicant: BARCO N.V.
    Inventors: Patrick WILLEM, Bart VAN DEN BOSSCHE, Peter GERETS, Wim VAN EESSEN
  • Publication number: 20240290765
    Abstract: A light emitting module including a first surface having a plurality of light emitting elements, a second surface configured to receive driving signals and to transfer these signals to the light emitting elements of the first surface. The second surface includes a plurality of optical transmitters, in which the optical transmitters are each associated to an associated optical receiver arranged on the first surface, the optical transmitter and the associated opposing optical receiver being separated by an optical medium, such that an optical signal including driving signals transmitted by the optical transmitter is received by the opposing optical receiver, each optical receiver being connected to at least one light emitting element and is configured to transform the optical signal into an electrical signal configured to drive the at least one light emitting element to generate an image on the display.
    Type: Application
    Filed: June 30, 2022
    Publication date: August 29, 2024
    Applicant: BARCO N.V.
    Inventors: Peter GERETS, Patrick WILLEM, Bart VAN DEN BOSSCHE, Wim VAN EESSEN
  • Patent number: 11922873
    Abstract: A current control circuit for LED or OLED sub-pixels or pixels of an active matrix display is able to store bits or a bit of a control signal used to drive a pixel or sub-pixel, in a memory associated with each pixel or sub-pixel. The control circuit elements can be made compatible with thin-film processing such as to produce thin-film transistors.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: March 5, 2024
    Assignee: BARCO N.V.
    Inventors: Wim Van Eessen, Patrick Willem, Peter Gerets
  • Publication number: 20230231094
    Abstract: A display panel (65) and a method for manufacturing a display panel (65) that includes a front side and a back side, the display panel (65) including a substrate having a plurality of electrical components provided on a front side of the substrate and integrated circuits connected to the plurality of electrical components, the integrated circuits being embedded in the substrate. A plurality of edge contacts (54, 62) is also provided along edges of the substrate, where the plurality of edge contacts (54, 62) is electrically connected with the integrated circuits. An electrically conductive layer (51, 61) covers at least a part of the front side of the substrate and surrounds the plurality of electrical components, where the electrically conductive layer (51, 61) does not physically contact the embedded integrated circuits and provides EMI shielding to different components of the display panel (65).
    Type: Application
    Filed: June 17, 2021
    Publication date: July 20, 2023
    Applicant: BARCO N.V.
    Inventors: Wim VAN EESSEN, Patrick WILLEM, Bart VAN DEN BOSSCHE, Peter GERETS
  • Publication number: 20220383814
    Abstract: A current control circuit for LED or OLED sub-pixels or pixels of an active matrix display is able to store bits or a bit of a control signal used to drive a pixel or sub-pixel, in a memory associated with each pixel or sub-pixel. The control circuit elements can be made compatible with thin-film processing such as to produce thin-film transistors.
    Type: Application
    Filed: September 30, 2020
    Publication date: December 1, 2022
    Applicant: BARCO N.V.
    Inventors: Wim VAN EESSEN, Patrick WILLEM, Peter GERETS
  • Publication number: 20220201821
    Abstract: A pixel circuit for driving a light-emitting diode (LED) comprises a current-mirror, comprising a primary current path and a secondary current path, arranged to mirror a current through the primary current path to the secondary current path. The current through the primary current path is settable by switching a reference current into the primary current path through a reference current line. The secondary current path is configured to drive the LED. The pixel circuit also includes a switch component arranged to switch the LED to and from the secondary current path based on one or more switch control lines.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 23, 2022
    Inventors: Lynn Verschueren, Kris Myny, Jan Genoe, Wim Dehaene, Wim Van Eessen, Patrick Willem
  • Patent number: 7450085
    Abstract: An intelligent lighting module for use in a lighting or display module system which is composed of an array of lighting modules, each of the lighting modules being provided with a display board with an array of individual pixel lighting elements and with a control board capable of controlling serial input data from a video source for displaying video as well as of controlling digital communication input data from a lighting console for creating digital lighting effects, wherein the display board includes a drive buffer and an array of pulse-width modulation (PWM) drivers which are connected to the lighting elements.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: November 11, 2008
    Assignee: BARCO, naamloze vennootschap
    Inventors: Robbie Thielemans, Patrick Willem, Gino Tanghe
  • Patent number: 7205729
    Abstract: A control system for lighting and video devices, wherein said control system includes at least one video device; at least one lighting device; and a software protocol, capable of communicating three different protocols, such as a digital video/data protocol, a common lighting protocol and a data protocol to the video and lighting devices.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: April 17, 2007
    Assignee: BARCO, naamloze vennootschap
    Inventors: Robbie Thielemans, Patrick Willem, Gino Tanghe
  • Patent number: 7102601
    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.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: September 5, 2006
    Assignee: BARCO, naamloze vennootschap
    Inventors: Bruno Devos, Herbert Van Hille, Nele Dedene, Patrick Willem, Robbie Thielemans
  • Patent number: 7071620
    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.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: July 4, 2006
    Assignee: BARCO, naamloze vennootschap
    Inventors: Bruno Devos, Herbert Van Hille, Nele Dedene, Patrick Willem, Robbie Thielemans, Karim Meersman
  • Publication number: 20060077193
    Abstract: An intelligent lighting module for use in a lighting or display module system which is composed of an array of lighting modules, each of the lighting modules being provided with a display board with an array of individual pixel lighting elements and with a control board capable of controlling serial input data from a video source for displaying video as well as of controlling digital communication input data from a lighting console for creating digital lighting effects, wherein the display board includes a drive buffer and an array of pulse-width modulation (PWM) drivers which are connected to the lighting elements.
    Type: Application
    Filed: February 8, 2005
    Publication date: April 13, 2006
    Inventors: Robbie Thielemans, Patrick Willem, Gino Tanghe
  • Publication number: 20060076906
    Abstract: A control system for lighting and video devices, wherein said control system includes at least one video device; at least one lighting device; and a software protocol, capable of communicating three different protocols, such as a digital video/data protocol, a common lighting protocol and a data protocol to the video and lighting devices.
    Type: Application
    Filed: February 8, 2005
    Publication date: April 13, 2006
    Inventors: Robbie Thielemans, Patrick Willem, Gino Tanghe
  • Patent number: 7019721
    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.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: March 28, 2006
    Assignee: Naamloze Vennootschap, Barco
    Inventors: Robbie Thielemans, Gino Tanghe, Herbert Van Hille, Patrick Willem
  • Publication number: 20050134526
    Abstract: The present invention relates to a configurable emissive display tile, e.g. an organic light-emitting diode (OLED) display tile and associated methods for use in a tiled large-screen display application. The OLED tile assembly of the present invention is capable of operating either as an autonomous display or, alternatively, may operate within a set of OLED display tiles forming a larger tiled display. An embodiment of an OLED tile assembly (100) according to an embodiment of the present invention is shown in FIG. 1C, including a power supply (158), a cooling system with cooling fans (160) and cooling blocks (146) and a control system, comprising a control board (154) with processor, an OLED board (142) and a substrate (140).
    Type: Application
    Filed: December 23, 2003
    Publication date: June 23, 2005
    Inventors: Patrick Willem, Nele Dedene, Herbert Hille, Robbie Thielemans
  • Publication number: 20050052141
    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.
    Type: Application
    Filed: May 9, 2003
    Publication date: March 10, 2005
    Inventors: Robbie Thielemans, Gino Tanghe, Herbert Van Hille, Patrick Willem
  • Publication number: 20050052374
    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.
    Type: Application
    Filed: October 31, 2003
    Publication date: March 10, 2005
    Inventors: Bruno Devos, Herbert Hille, Nele Dedene, Patrick Willem, Robbie Thielemans, Karim Meersman