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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Schultz; John C.
Address:
Afton, MN
No. of patents:
32
Patents:












Patent Number Title Of Patent Date Issued
8564740 Directional backlight with reduced crosstalk October 22, 2013
A backlight suitable for use in an autostereoscopic display includes a light guide and a first and second light source assembly. The light guide has opposed first and second major surfaces, and opposed first and second side surfaces. The first and second light source assemblies are dispo
8246220 LED array systems August 21, 2012
A light emitting diode (LED) array comprises an array of LEDs mounted to a substrate. The LEDs emit light in a direction generally perpendicular to the substrate. An optical sheet is disposed over the LEDs. At least a portion of light entering one side of the optical sheet from the LEDs
8179362 Stereoscopic 3D liquid crystal display apparatus with scanning backlight May 15, 2012
A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a first side and a second side opposite the first side, and having a first surface extending between the first and second sides and a second surface opposite the first surface. T
8098347 Stereoscopic 3D liquid crystal display with graded light guide light extraction features January 17, 2012
A backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a light emission surface and an opposing light extraction surface, a first side extends between the light emission surface and the light extraction surface, and a second side extends betw
8068187 Stereoscopic 3D liquid crystal display apparatus having a double sided prism film comprising cyl November 29, 2011
A stereoscopic 3D liquid crystal display module includes a liquid crystal display panel and a directional backlight positioned to provide light to the liquid crystal display panel. A double sided prism film is disposed between the liquid crystal display panel and the directional backligh
8059933 Backlight asymmetric light input wedge November 15, 2011
A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emissio
8059217 Stereoscopic 3D liquid crystal display apparatus with slatted light guide November 15, 2011
A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide formed from a plurality of segments. Each segment has a first side and a second side opposite the first side, and a first surface extending between the first and second sides and a seco
8035771 Stereoscopic 3D liquid crystal display apparatus with structured light guide surface October 11, 2011
A stereoscopic 3D liquid crystal display apparatus includes a liquid crystal display panel, a backlight positioned to provide light to the liquid crystal display panel, and a double sided prism film disposed between the liquid crystal display panel and the backlight. The backlight in
8004622 Embedded stereoscopic 3D display and 2D display film stack August 23, 2011
An LCD device with 3D and 2D sections. The device includes an LCD panel, a light guide with a backlight, and an embedded 3D-2D film stack positioned between the LCD panel and the light guide. The 3D and 2D sections provide for simultaneously viewing visual content in 3D and 2D format
7997771 LED array systems August 16, 2011
A light emitting diode (LED) array comprises an array of LEDs mounted to a substrate. The LEDs emit light in a direction generally perpendicular to the substrate. An optical sheet is disposed over the LEDs. At least a portion of light entering one side of the optical sheet from the LEDs
7941028 Backlight asymmetric light input wedge May 10, 2011
A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emissio
7911547 Stereoscopic 3D liquid crystal display apparatus with slatted light guide March 22, 2011
A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide formed from a plurality of segments. Each segment has a first side and a second side opposite the first side, and a first surface extending between the first and second sides and a seco
7806560 LED illumination assembly with compliant foil construction October 5, 2010
An illumination assembly includes a compliant substrate comprising a first and second electrically conductive foil separated by an electrically insulating layer. The insulating layer includes a polymer material loaded with particles that enhance thermal conductivity of the insulating lay
7750983 Stretched film for stereoscopic 3D display July 6, 2010
A stereoscopic 3D display with stretched film. The display includes a liquid crystal display panel, drive electronics configured to drive the liquid crystal display panel with alternating left eye and right eye images, and a light guide and a backlight positioned to provide light to
7740387 Backlight wedge with side mounted light source June 22, 2010
A backlight may include a light guide and a light input. The light guide may have a light reflection surface and a light emission surface. The light input may include a diverging wedge having a narrow end and opposing side surfaces extending to the narrow end. A light source may be d
7710045 Illumination assembly with enhanced thermal conductivity May 4, 2010
Illumination assemblies include a substrate having a first and second electrically conductive layer separated by an electrically insulating layer. The insulating layer includes a polymer material loaded with thermally conductive particles. At least a portion of the thermally conducti
7660509 Backlight asymmetric light input wedge February 9, 2010
A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emissio
7658526 Illumination system using a plurality of light sources February 9, 2010
An illumination system includes a plurality of radiation generating sources, such as LED dies. A corresponding plurality of optical waveguides is also provided, with each waveguide having a first and a second end, with each first end being in optical communication with the correspond
7572031 LED illumination assembly with compliant foil construction August 11, 2009
An illumination assembly includes a compliant substrate comprising a first and second electrically conductive foil separated by an electrically insulating layer. The insulating layer includes a polymer material loaded with particles that enhance thermal conductivity of the insulating lay
7528893 Backlight for liquid crystal display May 5, 2009
A backlight includes a lightguide having a light emission surface, a first light input surface, a second light input surface opposing the first light input surface, and a lightguide thickness. A plurality of antireflection features are on or in the first light input surface and secon
7407313 Phosphor based illumination system having a plurality of light guides and a display using same August 5, 2008
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and a first interference reflector positioned between the emissiv
7377679 Phosphor based illumination system having a plurality of light guides and a display using same May 27, 2008
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned such that the emissive
7360924 Illumination system using a plurality of light sources April 22, 2008
An illumination system includes a plurality of radiation generating sources, such as LED dies. A corresponding plurality of optical waveguides is also provided, with each waveguide having a first and a second end, with each first end being in optical communication with the correspond
7317182 Backlight wedge with encapsulated light source January 8, 2008
A backlight may include a light guide and a light input. The light guide may have a light reflection surface and a light emission surface. The light input may include a diverging wedge having a narrow end and opposing side surfaces extending to the narrow end. A light source well may
7303315 Illumination assembly using circuitized strips December 4, 2007
An illumination assembly includes a heat dissipating member having a plurality of circuitized strips disposed thereon a spaced relationship. Each circuitized strip includes an electrically insulative substrate having at least one circuit trace on a first side of the substrate and an
7285802 Illumination assembly and method of making same October 23, 2007
An illumination assembly including a thermally conductive substrate, a patterned conductive layer proximate a major surface of the thermally conductive substrate, a dielectric layer positioned between the patterned conductive layer and the major surface of the substrate, and at least one
7204630 Phosphor based illumination system having a plurality of light guides and an interference reflec April 17, 2007
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and a first interference reflector positioned between the emissiv
7182498 Phosphor based illumination system having a plurality of light guides and an interference reflec February 27, 2007
An illumination system including a light source, light guides coupled to the light source, each including an input surface and an output surface, emissive material positioned to receive light from at least one light guide, and an interference reflector positioned such that the emissive
7163327 Illumination system using a plurality of light sources January 16, 2007
An illumination system includes a plurality of radiation generating sources, such as LED dies. A corresponding plurality of optical waveguides is also provided, with each waveguide having a first and a second end, with each first end being in optical communication with the correspond
5588071 Identifying an area of interest using histogram data arranged in predetermined sequence December 24, 1996
A method for automatic analysis and enhancement of digitized images to identify the area of interest (AOI) from background areas divides a digitized image into a number of regions, and calculates histograms of gray scale or density for each region. An image of the regions in histogra
5479006 Positioning skew compensation for imaging system using photoconductive material December 26, 1995
A system for compensating for positioning errors in the scanning and digital readout of latent electrostatic images on a photoconductive structure. The photoconductive structure is placed in a cassette or other holder positioned with respect to the readout scanner, which scans across
5403722 Technique to count objects in a scanned image April 4, 1995
The present invention relates to a method and apparatus for counting the number of microorganism colonies present on a disposable microorganism culturing device having a substantially planar substrate. The preferred apparatus of the present invention includes an LED bar illuminating the










 
 
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