RAMBUS DELAWARE LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 7741
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR1327
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 12193
 
  
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 827
 
  
 
2604 LUMINOUS SOURCES, ELECTRICAL OR NOT828
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 749
 
  
 
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 7126
 
  
 
2699 MISCELLANEOUS626
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
G09F DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS 336

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0074,257 MODULAR LIGHT-EMITTING PANEL ASSEMBLYAug 23, 17Mar 15, 18[F21V]
2018/0036,937 EXTRUSION-TO-SHEET PRODUCTION LINE AND METHODJun 12, 17Feb 08, 18[B29C, B29D]
2017/0371,089 LIGHT GUIDE AND LIGHTING ASSEMBLY WITH ARRAY OF ROTATED MICRO-OPTICAL ELEMENTSJun 12, 17Dec 28, 17[F21V, F21Y, F21K]
2017/0299,797 LIGHTING ASSEMBLY WITH DIFFERING LIGHT OUTPUT DISTRIBUTION AND/OR SPECTRUM OUTPUTApr 17, 17Oct 19, 17[F21V, H05B]
2017/0254,946 ARTICLE OF MANUFACTURE WITH MICRO-FEATURES OF DIFFERING SURFACE ROUGHNESSMar 24, 17Sep 07, 17[F21V, G02B]
2017/0045,668 LIGHT EXTRACTING ELEMENT HAVING SERPENTINE SHAPE, LIGHT REDIRECTING ELEMENT HAVING SERPENTINE SHAPE, AND LIGHTING ASSEMBLY INCLUDING THE SAMEAug 15, 16Feb 16, 17[F21V]
2016/0282,538 EDGE LIT LIGHTING ASSEMBLY WITH LIGHT ADJUSTMENT ELEMENTJun 06, 16Sep 29, 16[F21V]
2016/0245,986 LIGHT GUIDE ASSEMBLY, HOUSING ASSEMBLY, AND LIGHTING ASSEMBLY INCLUDING SAMEFeb 24, 16Aug 25, 16[F21V]
2016/0091,652 MICRO-OPTICAL ELEMENT HAVING CURVED SURFACE AND LIGHT GUIDE AND LIGHTING ASSEMBLY INCLUDING SAMESep 30, 15Mar 31, 16[F21V]
2016/0033,704 LIGHT GUIDE AND LIGHTING ASSEMBLY HAVING LIGHT REDIRECTING FEATURESJul 31, 15Feb 04, 16[F21V]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9910206 Micro-optical element having surface with curvature about a direction extending in a plane parallel to major surface of light guide, and light guide and lighting assembly including sameSep 30, 15Mar 06, 18[F21V]
9857520 Lighting assemblySep 29, 14Jan 02, 18[F21V, F21Y, F21K]
9778410 Lighting assembly with adjustable light outputMar 15, 12Oct 03, 17[F21V, G02B]
9772440 Modular light-emitting panel assemblyDec 29, 16Sep 26, 17[F21V]
9707641 Laser micromachining optical elements in a substrateSep 14, 12Jul 18, 17[F21V, B23K]
9701060 Extrusion-to-sheet production line and methodFeb 19, 16Jul 11, 17[B29C, B29D]
9703031 Light guide and lighting assembly with array of rotated micro-optical elementsNov 07, 14Jul 11, 17[F21V, F21Y, F21K]
9645301 Lighting assembly with edge-lit light guide and structured coverNov 07, 14May 09, 17[F21V, G02F]
9638853 Article of manufacture with micro-features of differing surface roughnessSep 26, 13May 02, 17[F21V, G02B, G02F]
9625633 Light emitting panel assembliesJul 08, 14Apr 18, 17[F21V, G09F, A61B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0092,590 LED FLASHLIGHTAbandonedSep 20, 13Apr 03, 14[F21L]
2013/0322,120 OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIES AND METHODS OF MAKING SAME, AND METHODS OF DISPLAYING IMAGES USING THE OPTICALLY TRANSMISSIVE SUBSTRATES AND LIGHT EMITTING ASSEMBLIESAbandonedMay 10, 13Dec 05, 13[F21V]
8548289 Apparatus and method for reducing pixel operational voltage in MEMS-based optical displaysExpiredDec 12, 08Oct 01, 13[G02B]
2013/0194,809 LIGHTING ASSEMBLY WITH CORNUATE LIGHT GUIDEAbandonedOct 21, 11Aug 01, 13[F21V]
8395843 TIR light valveExpiredSep 09, 10Mar 12, 13[G02B]
8308334 Light emitting panel assembliesExpiredDec 08, 11Nov 13, 12[F21V]
2012/0195,068 LIGHT-EMITTING DEVICES FOR LIQUID CRYSTAL DISPLAYSAbandonedMar 14, 12Aug 02, 12[F21V]
8162526 Light-emitting devices for liquid crystal displaysExpiredJun 14, 11Apr 24, 12[F21V]
2012/0075,555 LIQUID CRYSTAL DISPLAY APPARATUS AND LIGHT EMITTING ASSEMBLY WITH LIGHT TRANSMISSION CONTROL ELEMENTS FOR ILLUMINATING SAMEAbandonedJun 03, 10Mar 29, 12[G02F]
2012/0069,266 LIGHT EMITTING ASSEMBLIES HAVING OPTICAL CONDUCTORS WITH A TAPERED CROSS SECTIONAL SHAPEAbandonedJun 02, 10Mar 22, 12[F21V, G02F]
7959341 LED color management and display systemsExpiredNov 16, 06Jun 14, 11[G09G]
2011/0134,362 LIGHT REDIRECTING FILMS AND FILM SYSTEMSAbandonedFeb 18, 11Jun 09, 11[F21V, G02F]
2011/0063,873 TRANSREFLECTORS, TRANSREFLECTOR SYSTEMS AND DISPLAYS AND METHODS OF MAKING TRANSREFLECTORSAbandonedNov 18, 10Mar 17, 11[F21V]
2011/0058,390 LIGHT REDIRECTING FILMS AND FILM SYSTEMSAbandonedNov 15, 10Mar 10, 11[F21V]
7875218 Methods of making transreflectorsExpiredApr 18, 07Jan 25, 11[B29D]
2011/0013,423 LIGHT INJECTION SYSTEM AND METHOD FOR UNIFORM LUMINOSITY OF WAVEGUIDE-BASED DISPLAYSAbandonedDec 03, 08Jan 20, 11[F21V]
2010/0315,836 Flat panel optical display system with highly controlled outputAbandonedJun 11, 09Dec 16, 10[F21V]
2010/0309,409 LIGHT EMITTING ASSEMBLIES HAVING DEFINED REGIONS OF DIFFERENT BRIGHTNESSAbandonedJun 02, 10Dec 09, 10[F21V, G02F]
2009/0290,218 TRANSREFLECTORS, TRANSREFLECTOR SYSTEMS AND DISPLAYS AND METHODS OF MAKING TRANSREFLECTORSAbandonedAug 06, 09Nov 26, 09[G02B]
7595934 Integrated sub-assembly having a light collimating or transflecting deviceExpiredSep 29, 06Sep 29, 09[G02B, G02F]

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