SICHUAN SUNFOR LIGHT CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1497
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 13349
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR1085
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR535
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 4106
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 176
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 1101
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0159,919 CARD TYPE LED DRIVER AND TRANSPORTATION MEANS WITH CARD TYPE DRIVERNov 25, 14Jun 08, 17[F21V, H05B]
2017/0162,757 METHOD FOR IMPROVING DEFECT-FREE RATE OF LED LIGHT SOURCE, PHOSPHOR POWDER, AND LED LIGHT SOURCENov 21, 14Jun 08, 17[H01L]
2016/0150,618 DIMMING DRIVE CIRCUIT OF ALTERNATING CURRENT DIRECTLY-DRIVEN LED MODULEDec 03, 15May 26, 16[H05B]
2016/0053,173 OXYNITRIDE LUMINESCENT MATERIAL, PREPARATION METHOD, LED LIGHT SOURCE MANUFACTURED THEREBYApr 17, 14Feb 25, 16[C09K, F21V, F21K]
2016/0029,454 AC WHITE LED DEVICEOct 02, 15Jan 28, 16[H01L, H05B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920916 Card type LED driver and transportation means with card type driverNov 25, 14Mar 20, 18[F21V, H05B, F21Y, F21K]
9923125 Method for improving defect-free rate of LED light source, phosphor powder, and LED light sourceNov 21, 14Mar 20, 18[H01J, H01L]
9909059 Oxynitride luminescent material, preparation method, LED light source manufactured therebyApr 17, 14Mar 06, 18[C09K, F21V, H01L, F21K]
9860958 Dimming drive circuit of alternating current directly-driven LED moduleDec 03, 15Jan 02, 18[H05B]
9819195 Multipath current source switching deviceDec 27, 13Nov 14, 17[H02J, H05B]
9784420 LED device and preparation method thereofMar 24, 16Oct 10, 17[F21V, H01L, F21K]
9775206 LED AC drive circuitAug 22, 14Sep 26, 17[H05B]
9695359 Yellow light afterglow material and preparation method thereof as well as LED illuminating device using sameApr 30, 15Jul 04, 17[C09K, H01L]
9695360 Yellow light afterglow material and preparation method thereof as well as LED illuminating device using sameApr 30, 15Jul 04, 17[C09K, H01L]
9680070 LED light source performance compensation apparatus, device and application thereofOct 14, 14Jun 13, 17[H01L, F21K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0188,849 LED LIGHTING FIXTUREAbandonedDec 03, 07Jul 29, 10[F21S]
2008/0116,420 MULTIPLE RARE-EARTH CO-ACTIVATED LONG-AFTERGLOW LUMINESCENT MATERIALAbandonedFeb 12, 07May 22, 08[C09K]

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