US Patent No: 7,845,841

Number of patents in Portfolio can not be more than 2000

Angle sweeping holographic illuminator

ALSO PUBLISHED AS: 20080049450

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Importance

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Abstract

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Light guides of various shapes are configured to adjust the angle of the individual light rays in a bundle of light within the light guide so that the angle of the respective rays are adjusted towards an acceptance angle of a hologram embedded within the light guide. The hologram embedded in the light guide is configured to eject individual rays towards the display elements when the respective rays are within a range of acceptance angles.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
QUALCOMM MEMS TECHNOLOGIES, INC.SAN DIEGO, CA643

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sampsell, Jeffrey B San Jose, CA 244 12775

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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SONY DEUTSCHLAND GMBH (1)
2006/0044,523 Illumination arrangement for a projection system 54 2003
 
SPATIAL PHOTONICS, INC. (1)
2007/0241,340 Micro-mirror based display device having an improved light source 34 2006
 
ST SYNERGY LIMITED (1)
2006/0110,090 APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT FOR SUBSTRATED/COMPONENTIZED WAVEGUIDED GOGGLE SYSTEM 30 2005
 
SUMITOMO CHEMICAL COMPANY, LIMITED (1)
6,199,989 Optical plate having reflecting function and transmitting function 45 1999
 
T CHATANI & CO., LTD. (1)
5,555,160 Light-guiding panel for surface lighting and a surface lighting body 46 1994
 
THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY (1)
5,459,610 Deformable grating apparatus for modulating a light beam and including means for obviating stiction between grating elements and underlying substrate 298 1993
 
The Trustees of Columbia University in the City of New York (1)
7,346,251 Light emission using quantum dot emitters in a photonic crystal 18 2006
 
THE UAB RESEARCH FOUNDATION (1)
5,515,184 Waveguide hologram illuminators 67 1992
 
The United States of America as represented by the Secretary of the Navy (1)
6,738,194 Resonance tunable optical filter 76 2002
 
Thomson-CSF (1)
6,014,192 Illumination device and application thereof to the illumination of a transmissive screen 41 1997
 
TIME WARNER CABLE INC. (1)
6,669,350 Planar light source system and light deflecting device therefor 70 2001
 
TOSOH CORPORATION (1)
5,735,590 Backlighting device with a transparent sheet having straight ridges 66 1995
 
TRANSPACIFIC INFINITY, LLC (1)
6,897,855 Tiled electronic display structure 55 1999
 
UNITED CALIFORNIA BANK (FORMERLY KNOWN AS SNAWA BANK CALIFORNIA) (1)
5,956,106 Illuminated display with light source destructuring and shaping device 54 1996
 
VESCENT PHOTONICS, INC. (1)
2005/0271,325 Liquid crystal waveguide having refractive shapes for dynamically controlling light 30 2004
 
WEBER, SALLY (1)
4,850,682 Diffraction grating structures 64 1986
 
WHIRLPOOL CORPORATION (1)
2009/0090,611 CAPACITIVE TOUCH SWITCH AND DOMESTIC APPLIANCE PROVIDED WITH SUCH SWITCH 17 2008
 
WINTEK CORPORATION (1)
2007/0189,036 Backlight module 31 2006
 
ZYGO CORPORATION (1)
6,822,745 Optical systems for measuring form and geometric dimensions of precision engineered parts 59 2001
 
Other [Check patent profile for assignment information] (6)
5,913,594 Flat panel light source device and passive display device utilizing the light source device 42 1997
6,961,045 Pattern projection techniques for volumetric 3D displays and 2D displays 37 2001
6,478,432 Dynamically generated interactive real imaging device 63 2001
6,819,469 High-resolution spatial light modulator for 3-dimensional holographic display 238 2003
7,218,429 Digital focus lens system 58 2006
7,532,800 Light guide unit 22 2007

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
QUALCOMM MEMS TECHNOLOGIES, INC. (10)
8,068,710 Decoupled holographic film and diffuser 0 2007
8,111,445 Spatial light modulator with integrated optical compensation structure 3 2008
8,045,252 Spatial light modulator with integrated optical compensation structure 3 2008
8,111,446 Optical films for controlling angular characteristics of displays 2 2008
8,040,589 Devices and methods for enhancing brightness of displays using angle conversion layers 0 2009
8,061,882 Illumination device with built-in light coupler 0 2009
8,368,981 Display device with diffractive optics 0 2009
8,049,951 Light with bi-directional propagation 0 2009
8,045,256 Method and device for compensating for color shift as a function of angle of view 1 2009
8,169,688 System and method of reducing color shift in a display 1 2010
 
ERGOPHOS, LLC (1)
8,585,268 Light-guide panel for display with laser backlight 0 2011
 
VELIKOV, LEONID (1)
8,596,846 Frontlight unit for enhancing illumination of a reflective display 0 2012

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