RAMBUS DELAWARE

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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 3476
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 16189
 
  
 
2604 LUMINOUS SOURCES, ELECTRICAL OR NOT729
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 6145
 
  
 
2699 MISCELLANEOUS626
 
  
 
F21S NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF 551
 
  
 
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 5128
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR436
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 3125
 
  
 
B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL 262

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9778410 Lighting assembly with adjustable light outputMar 15, 12Oct 03, 17[F21V, G02B]
9310545 Lighting assembly with adjustable light outputMar 15, 12Apr 12, 16[F21V, F21Y, F21K]
9296146 Extrusion-to-sheet production line and methodFeb 21, 13Mar 29, 16[B29C]
8998452 Light bulb with adjustable light outputMar 15, 12Apr 07, 15[F21V, F21Y, F21K, B60Q, F21S]
8998478 Lighting assemblyApr 17, 12Apr 07, 15[F21V, F21Y, F21S]
8963405 Light bulb with thermal featuresAug 09, 12Feb 24, 15[H01J, F21V, F21K]
8899813 Lighting assembly with configurable illumination profileJul 26, 12Dec 02, 14[F21V, F21Y, G09F, F21S]
8864360 Lighting assemblyApr 05, 12Oct 21, 14[F21V, F21Y, F21S]
8840275 Lighting assembly with adjustable light outputMar 15, 12Sep 23, 14[F21V, F21Y, F21K, B60Q, F21S]
8827475 Light bulb with adjustable light sourceMar 15, 12Sep 09, 14[F21V, F21Y, F21K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8548289 Apparatus and method for reducing pixel operational voltage in MEMS-based optical displaysExpiredDec 12, 08Oct 01, 13[G02B]
2013/0215,122 DISPLAY APPARATUS WITH LIGHT GUIDE BASED SOLAR CONCENTRATORAbandonedFeb 14, 13Aug 22, 13[F21V, G09G]
2013/0182,457 LIGHTING ASSEMBLY WITH STATIC AUTOSTEREOSCOPIC IMAGE OUTPUTAbandonedDec 21, 12Jul 18, 13[F21V]
2013/0100,664 INTERNAL COLLECTING REFLECTOR OPTICS FOR LEDSAbandonedDec 11, 12Apr 25, 13[F21V]
8405691 Field sequential color encoding for displaysExpiredSep 22, 09Mar 26, 13[G09G]
8395843 TIR light valveExpiredSep 09, 10Mar 12, 13[G02B]
8390546 Line-at-a-time foil displayExpiredJan 04, 11Mar 05, 13[G09G]
8380026 Optical microstructures for light extraction and controlExpiredJan 13, 09Feb 19, 13[G02B]
2012/0314,449 LIGHTING ASSEMBLYAbandonedJun 07, 12Dec 13, 12[F21V]
8320036 Normally emitting pixel architecture for frustrated total internal reflection displaysExpiredAug 24, 09Nov 27, 12[G02F]
2012/0236,534 ADJUSTABLE LIGHT SOURCEAbandonedMar 15, 12Sep 20, 12[F21V]
2012/0236,594 LIGHT BULB WITH ADJUSTABLE LIGHT OUTPUTAbandonedMar 15, 12Sep 20, 12[F21V]
2012/0236,595 LIGHT BULB WITH ADJUSTABLE LIGHT OUTPUTAbandonedMar 15, 12Sep 20, 12[F21V]
2012/0195,068 LIGHT-EMITTING DEVICES FOR LIQUID CRYSTAL DISPLAYSAbandonedMar 14, 12Aug 02, 12[F21V]
8218920 Optical microstructures for light extraction and controlExpiredDec 30, 08Jul 10, 12[G02B]
8162526 Light-emitting devices for liquid crystal displaysExpiredJun 14, 11Apr 24, 12[F21V]
8115776 Mechanism to mitigate color breakup artifacts in field sequential color display systemsExpiredAug 01, 06Feb 14, 12[H04N, G09G, G06F, G02F, G03F, G06K]
8085260 Simple matrix addressing in a displayExpiredJun 21, 10Dec 27, 11[G09G]
8077185 Mechanism to mitigate color breakup artifacts in field sequential color display systemsExpiredMay 23, 11Dec 13, 11[H04N, G09G, G06F, G02F, G06K]
8077376 Visible plus non-visible field sequential colorExpiredMay 15, 08Dec 13, 11[G02B]

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