Patents by Inventor Robert P. Bourdelais

Robert P. Bourdelais 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: 8177381
    Abstract: The present invention provides an integrated backlight illumination assembly for an LCD display comprising, a plurality of solid state light sources for providing a point light source and a plurality of light guide films having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light sources to a uniform plane of light. The invention further provides at least one polymer diffusion bar covering said solid state light sources and spacer collar rings comprising an optical spacer, collar section and an anchoring feature, wherein the spacer collar rings are located around a perimeter of the diffusion bar.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: May 15, 2012
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Qi Hong, Herong Lei, Robert P. Bourdelais
  • Patent number: 8062734
    Abstract: Disclosed is an article comprising a layer of nonconductive polymeric material comprising a plurality of integral polymer conduit channels containing a substantially transparent conductive material.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: November 22, 2011
    Assignee: Eastman Kodak Company
    Inventors: Cheryl J. Kaminsky, Robert P. Bourdelais, Debasis Majumdar
  • 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: 20110242845
    Abstract: The present invention provides an integrated backlight illumination assembly for an LCD display comprising: a plurality of solid state light sources for providing a point light source; a plurality of light guide films having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light sources to a uniform plane of light, a light redirecting bar located between opposing light guide films, the light redirecting bar comprising a top capping portion and a bottom portion, the bottom portion being aligned perpendicular to the top capping portion wherein said bottom portion has at least one light redirecting feature.
    Type: Application
    Filed: March 30, 2010
    Publication date: October 6, 2011
    Applicant: SKC Haas Display Films Co., Ltd.
    Inventors: Qi HONG, Robert P. Bourdelais, William McKenna
  • Publication number: 20110242838
    Abstract: The present invention provides an integrated backlight illumination assembly for an LCD display comprising, a plurality of solid state light sources for providing a point light source and a plurality of light guide films having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light sources to a uniform plane of light. The invention further provides at least one polymer diffusion bar covering said solid state light sources and spacer collar rings comprising an optical spacer, collar section and an anchoring feature, wherein the spacer collar rings are located around a perimeter of the diffusion bar.
    Type: Application
    Filed: March 30, 2010
    Publication date: October 6, 2011
    Applicant: SKC Haas Display Films Co., Ltd.
    Inventors: Qi HONG, Herong Lei, Robert P. Bourdelais
  • 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: 7845826
    Abstract: The present invention provides a multilayered integrated backlight illumination assembly for an LCD display comprising a substrate for providing structural and functional support to the assembly, a bottom reflector provided on the substrate and a plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. The invention further provides a plurality of primary light films 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 plurality of secondary light films 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 and a binding means for binding the primary and secondary light films together.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: December 7, 2010
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Peter T. Aylward, John C. Brewer, Robert P. Bourdelais, Qi Hong
  • 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: 7643218
    Abstract: The invention relates to a light redirecting film comprising a thin optically transparent substrate having opposite sides, one side of the substrate substantially covered by elongated individual optical elements whose longest dimensions are substantially aligned in a lengthwise direction, wherein the shape of at least some of the optical elements have a visually significant difference, and wherein the layout of optical element shapes and locations is such that objectionable patterns are not visible in the film under standard LCD backlight viewing conditions.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: January 5, 2010
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Randall H. Wilson, Paul J. Guiguizian, Robert P. Bourdelais
  • Publication number: 20090180282
    Abstract: The present invention provides a multilayered integrated backlight illumination assembly for an LCD display comprising a substrate for providing structural and functional support to the assembly, a bottom reflector provided on the substrate and a plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. The invention further provides a plurality of primary light films 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 plurality of secondary light films 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 and a binding means for binding the primary and secondary light films together.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Applicant: Rohm and Haas Denmark Finance A/S
    Inventors: Peter T. Aylward, John C. Brewer, Robert P. Bourdelais, Qi Hong
  • Patent number: 7548676
    Abstract: An optical converter and method for making same is provided. In accordance with the method, the present invention provides an improved apparatus and methods for fabrication of an optical converter. In one aspect of the invention a method for forming an optical converter is provided. In accordance with this method at least two light guide ribbon structures are provided, with each light guide ribbon structure formed by the steps of roll molding a substrate having a pattern of channels with each channel extending from an input edge to an output edge of said substrate and forming light guides extending along each of the channels from the input edge to the output edge. The at least two light guide ribbon structures are assembled in a stacked arrangement.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: June 16, 2009
    Assignee: Eastman Kodak Company
    Inventors: Roger S. Kerr, Ronald S. Cok, David Kessler, Cheryl J. Kaminsky, Robert P. Bourdelais
  • Patent number: 7543974
    Abstract: A display comprises a light source and a light redirecting polymeric film containing a structured surface on at least one side of the film and bearing a polymeric coating over at least part of the structured surface wherein the coating exhibits a variable thickness.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: June 9, 2009
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Robert P. Bourdelais, John C. Brewer, Charles M. Rankin, Jr., Esther M. Betancourt
  • Publication number: 20090122227
    Abstract: The present invention provides an integrated backlight illumination assembly for an LCD display comprising, a substrate for providing structural and functional support to the assembly, a bottom reflector provided on the substrate and a plurality of solid state light sources provided in an opening of the bottom reflector for providing a point light source. Further, the invention provides a plurality of light films with a thickness between 10 microns to 3mm 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 and a top diffuser for diffusing the uniform plane of light, and wherein the plurality of light films has a thickness between 0.1 mm to 1.0 mm and a bending stiffness between 50 to 1200 millinewtons.
    Type: Application
    Filed: November 8, 2007
    Publication date: May 14, 2009
    Applicant: Rohm and Haas Denmark Finance A/S
    Inventors: Qi Hong, Peter T. Aylward, Robert P. Bourdelais
  • Patent number: 7530726
    Abstract: The invention relates to a display comprising a light source and a light redirecting polymeric film containing a structured surface on at least one side of the film and bearing a discontinuous population of adherent beads bonded to the structured surface.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: May 12, 2009
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: John C. Brewer, Charles M. Rankin, Jr., Robert P. Bourdelais, Esther M. Betancourt
  • Patent number: 7530721
    Abstract: A backlight device for a display comprising (1) a side-lit light source, (2) a light guide plate and (3) a turning film comprising a light entry and a light exit surface comprising lenticular elements on the exit surface and prismatic structures on the entry surface, wherein the average values of the parameters of the features and the thickness of the film are selected to provide a peak output angle of ±10° from normal to the light exit surface of the light guide plate and an optical gain of at least 1.25. Also disclosed are methods of making the turning film and a display incorporating the backlight.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: May 12, 2009
    Assignee: SKC Haas Display Films Co., Ltd.
    Inventors: Xiang-Dong Mi, Richard D. Bomba, Robert P. Bourdelais, Michael L. Ferranti, Jehuda Greener, Louis P. Harasta, Jr., Herong Lei, Stephen C. Meissner, Steven J. Neerbasch, Robert L. Walton, John M. Palmeri, Tomohiro Ishikawa
  • Patent number: 7507012
    Abstract: A backlight apparatus for directing light toward a display panel and the resulting display device comprises a solid lightguide comprising opposite TIR surfaces, containing a desired pattern of light redirecting surface features located between the TIR surfaces and interrupting one of the TIR surfaces, the features having a refractive index differing from that of the solid material of the light guide. Such an apparatus provides a more even light distribution to the display.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: March 24, 2009
    Assignee: Rohm and Haas Denmark Finance A/S
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Qi Hong
  • Patent number: 7465163
    Abstract: The invention relates to an apparatus and method of making a solid film. Viscous material (163) is input into a nip between a patterned roller (165) and a belt (167). The nip between the patterned roller (165) and belt (167) is facilitated by a compliant roller (169). Accordingly, a film may be produced that has discrete optical elements and a smooth backside.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: December 16, 2008
    Assignee: Rohm and Haas Denmark Finance A/S
    Inventors: John E. Benson, Robert P. Bourdelais, Cheryl J. Brickey
  • Publication number: 20080291668
    Abstract: A backlight for a display comprises a reflector box containing reflective areas and aperture areas and mini lightbars located in a region below the reflector box and arranged to provide light through the apertures.
    Type: Application
    Filed: May 21, 2008
    Publication date: November 27, 2008
    Applicant: Rohm and Haas Denmark Finance A/S
    Inventors: Peter T. Aylward, Qi Hong, Robert P. Bourdelais
  • Publication number: 20080285307
    Abstract: A backlight apparatus for directing light toward a display panel and the resulting display device comprises a solid lightguide comprising opposite TIR surfaces, containing a desired pattern of light redirecting surface features located between the TIR surfaces and interrupting one of the TIR surfaces, the features having a refractive index differing from that of the solid material of the light guide. Such an apparatus provides a more even light distribution to the display.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 20, 2008
    Inventors: Peter T. Aylward, Robert P. Bourdelais, Qi Hong