Patents by Inventor Joseph John Laski

Joseph John Laski 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).

  • Lighting apparatus
    Patent number: 7473019
    Abstract: A lighting apparatus, particularly for the use as lighting elements in signage or as backlighting apparatus, which comprises a cavity formed by a light emitting front side, a reflective backside arranged opposite to the front side and a sidewall, and a plurality of light emitting semiconductor components mounted on the sidewall in such a way that their light is irradiated in the cavity. The reflective backside of the cavity is formed in such a way that the cavity is divided into at least two partitions directing the light to the front side.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: January 6, 2009
    Assignee: Osram Opto Semiconductors GmbH
    Inventor: Joseph John Laski
  • Illumination device
    Patent number: 7334917
    Abstract: An illumination device comprising at least four luminous units (1, 2), the light emitted by at least two of the four luminous units (1, 2) being suitable for being mixed to form white light. Moreover, an apparatus (3) for dimming at least one of the four luminous units (1, 2) is provided. White light having a desired color temperature (CCT) and a high color rendering index can be generated by means of the illumination device.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: February 26, 2008
    Assignee: Osram Opto Semiconductors GmbH
    Inventor: Joseph John Laski