DIGILENS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 32173
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 20113
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1496
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 691
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 5357
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 375
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 3101
 
  
 
G03H HOLOGRAPHIC PROCESSES OR APPARATUS 329
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0003,805 HOLOGRAPHIC WAVEGUIDE LIDARJan 19, 16Jan 04, 18[G02B, G06F, G01S]
2017/0219,841 WAVEGUIDE LASER ILLUMINATOR INCORPORATING A DESPECKLERAug 04, 15Aug 03, 17[F21V, G02B, G02F]
2017/0052,374 Diffractive projection apparatusMar 17, 16Feb 23, 17[G02B, G02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9857605 Laser illumination deviceSep 13, 16Jan 02, 18[F21V, G02B, G03B, G02F, G03H]
9823423 Waveguide grating deviceMar 24, 17Nov 21, 17[F21V, G02B, G02F]
9804389 Apparatus for eye trackingSep 23, 16Oct 31, 17[F21V, H04N, A61B, G02B, G02F, G06K]
9746688 Laser illumination deviceOct 17, 13Aug 29, 17[G02B, G02F]
9726540 Diffractive waveguide providing structured illumination for object detectionMay 26, 15Aug 08, 17[H01L, G01J, H04N, G02B, G03B, G02F, G03F]
9727772 Method and apparatus for contact image sensingJul 30, 14Aug 08, 17[F21V, H01L, G02B, G06K]
9632226 Waveguide grating deviceFeb 12, 15Apr 25, 17[G02B, G02F]
9464779 Apparatus for condensing light from multiple sources using Bragg gratingsDec 19, 13Oct 11, 16[F21V, H04N, F21K, G02B, G02F]
9465227 Laser illumination deviceDec 31, 15Oct 11, 16[G02B, G03B, G02F]
9456744 Apparatus for eye trackingMay 10, 13Oct 04, 16[F21V, A61B, G02B, G02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0177,688 APPARATUS FOR COPYING A HOLOGRAMAbandonedJun 17, 13Jun 25, 15[G03H]
2015/0010,265 CONTACT IMAGE SENSOR USING SWITCHABLE BRAGG GRATINGSAbandonedJan 07, 13Jan 08, 15[G02B, G02F]
2014/0204,455 WEARABLE DATA DISPLAYAbandonedAug 22, 12Jul 24, 14[G02B, G02F]
2004/0184,699 Electro optical device with parallel sections for orthogonal polarization modesAbandonedJan 29, 04Sep 23, 04[G02B]
2004/0136,674 Planar optical waveguide and fabrication processAbandonedJan 15, 03Jul 15, 04[G02B]
2004/0108,971 Method of and apparatus for viewing an imageAbandonedMay 03, 02Jun 10, 04[G09G]
2004/0021,940 Optical polarization rotating deviceAbandonedJul 30, 02Feb 05, 04[G02B]
6687030 Method and apparatus for illuminating a displayExpiredJan 07, 03Feb 03, 04[G03H]
6678078 Optical filter employing holographic optical elements and image generating system incorporating the optical filterExpiredJan 05, 00Jan 13, 04[G02B]
6661495 Pancake window display system employing one or more switchable holographic optical elementsExpiredAug 03, 99Dec 09, 03[G02F, G03H]
6646636 Display system utilizing ambient light and a dedicated light sourceExpiredOct 19, 00Nov 11, 03[G09G]
6646772 Holographic illumination systemExpiredNov 13, 01Nov 11, 03[G02B]
2003/0138,209 Filter device using thermo-optically controlled bragg gratingAbandonedJan 09, 03Jul 24, 03[G02B]
6567573 Switchable optical componentsExpiredAug 13, 98May 20, 03[G02B]
6525847 Three dimensional projection systems based on switchable holographic opticsExpiredJan 23, 01Feb 25, 03[G02B]
6507419 Illumination system using optical feedbackExpiredMar 23, 00Jan 14, 03[G02B]
6504629 Method and apparatus for illuminating a displayExpiredMar 23, 00Jan 07, 03[G03H]
6473209 Apparatus for producing a three-dimensional imageExpiredAug 04, 00Oct 29, 02[G03H]
2002/0118,915 Optical multiplexer/demultiplexer deviceAbandonedFeb 20, 02Aug 29, 02[G02B]
2002/0109,917 Polarization insensitive variable optical attenuatorAbandonedFeb 13, 02Aug 15, 02[G02B, G02F]

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