Patents by Inventor Leonard S. Gates

Leonard S. Gates 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: 8047669
    Abstract: A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. In addition, the joining clip further comprises a light diffusion means.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: November 1, 2011
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Robert P. Bourdelais, John C. Brewer, Qi Hong, Charles M. Rankin, Jr., Leonard S. Gates
  • Publication number: 20110026273
    Abstract: A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 3, 2011
    Applicant: SKC Haas Display Films Co., Ltd.
    Inventors: Robert P. Bourdelais, John C. Brewer, Qi Hong, Charles M. Rankin, JR., Leonard S. Gates
  • Publication number: 20110026274
    Abstract: A uniform light source having a substrate for providing structural and functional support to the assembly. A bottom reflector provided on the substrate. A plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. A plurality of light films and having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light source to a uniform plane of light; a joining clip comprising a top capping portion and a bottom support portion, the bottom support portion being aligned perpendicular to the top capping portion and having a height sufficient to house the plurality of light films. A top diffuser for diffusing the uniform plane of light. The plurality of light films has a thickness between 0.1 mm to 1.0 mm. In addition, the joining clip further comprises a light diffusion means.
    Type: Application
    Filed: July 31, 2009
    Publication date: February 3, 2011
    Applicant: SKC Haas Display Films Co., Ltd.
    Inventors: Robert P. Bourdelais, John C. Brewer, Qi Hong, Charles M. Rankin, JR., Leonard S. Gates
  • Patent number: 7850814
    Abstract: The present invention relates to a donor laminate for transfer of a conductive layer comprising at least one electronically conductive polymer on to a receiver, wherein the receiver is a component of a device. The present invention also relates to methods pertinent to such transfers.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: December 14, 2010
    Assignee: Eastman Kodak Company
    Inventors: Debasis Majumdar, Glen C. Irvin, Jr., Charles C. Anderson, Lee W. Tutt, Gary S. Freedman, Leonard S. Gates
  • Patent number: 7780330
    Abstract: A solid waveguide comprises opposite TIR surfaces further comprising: a) at least one light input surface for coupling light from a solid state light source; b) at least one mixing section; c) at least one light emitting surface; and d) a desired pattern of light redirecting features located on one TIR surface or between the TIR surfaces.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: August 24, 2010
    Assignee: Rohm and Haas Electronics Materials LLC
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Qi Hong, John M. Palmeri, Leonard S. Gates
  • Patent number: 7781047
    Abstract: The present invention relates to a donor laminate for transfer of a conductive layer comprising at least one electronically conductive polymer on to a receiver, wherein the receiver is a component of a device. The present invention also relates to methods pertinent to such transfers.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: August 24, 2010
    Assignee: Eastman Kodak Company
    Inventors: Debasis Majumdar, Glen C. Irvin, Jr., Charles C. Anderson, Lee W. Tutt, Gary S. Freedman, Leonard S. Gates
  • Publication number: 20090050855
    Abstract: The present invention relates to a donor laminate for transfer of a conductive layer comprising at least one electronically conductive polymer on to a receiver, wherein the receiver is a component of a device. The present invention also relates to methods pertinent to such transfers.
    Type: Application
    Filed: October 23, 2008
    Publication date: February 26, 2009
    Inventors: Debasis Majumdar, Glen C. Irvin, JR., Charles C. Anderson, Lee W. Tutt, Gary S. Freedman, Leonard S. Gates
  • Publication number: 20080285310
    Abstract: A solid waveguide comprises opposite TIR surfaces further comprising: a) at least one light input surface for coupling light from a solid state light source; b) at least one mixing section; c) at least one light emitting surface; and d) a desired pattern of light redirecting features located on one TIR surface or between the TIR surfaces.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 20, 2008
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Qi Hong, John M. Palmeri, Leonard S. Gates
  • Publication number: 20080285304
    Abstract: A backlight comprises in order a lightguide plate with a sidelit light source and bonded thereto a light extraction unit containing in order from the lightguide plate, a first polymeric layer, an adhesive layer, a second polymeric layer bearing features at least partly embedded in the adhesive layer wherein the materials of the first polymeric layer, the adhesive layer, and the second polymeric layer differ by less than 0.05 in refractive index, the interstitial regions between the non-embedded portions of the features containing a material having a refractive index at least 0.1 lower than that of the material comprising the features.
    Type: Application
    Filed: May 18, 2007
    Publication date: November 20, 2008
    Inventors: Charles M. Rankin, JR., Peter T. Aylward, Leonard S. Gates, Ronald J. Sudol
  • Publication number: 20080193731
    Abstract: An optical device comprises a direct backlight and an optical element comprising an arrangement of one or more optical films confined between two integrally bound optically transmissive substrates that together are self-supporting.
    Type: Application
    Filed: February 12, 2007
    Publication date: August 14, 2008
    Inventors: Thomas M. Laney, Esther M. Betancourt, Peter T. Aylward, Leonard S. Gates
  • Patent number: 7324264
    Abstract: This invention relates to a method of manufacturing micro-cell arrays. Such an array may find use in a number of applications such as, for example, a video display, electronic paper, and signage. The microcell arrays find particular use in electromodulating displays.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: January 29, 2008
    Assignee: Eastman Kodak Company
    Inventors: Peter T. Aylward, Thomas M. Smith, Leonard S. Gates, Daniel A. Slater