WALSIN LIHWA CORPORATION

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Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 12350
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126
 
  
 
B81B MICRO-STRUCTURAL DEVICES OR SYSTEMS, e.g. MICRO-MECHANICAL DEVICES 132
 
  
 
B82B NANO-STRUCTURES; MANUFACTURE OR TREATMENT THEREOF 18
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
H01B CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING, OR DIELECTRIC PROPERTIES 173
 
  
 
H02N ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR130
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110
 
  
 
1303 EQUIPMENT FOR DISTRIBUTION OR CONTROL OF ELECTRIC POWER170

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9130122 Light emitting diodeFeb 17, 14Sep 08, 15[H01L]
8829487 Light emitting diode and method for manufacturing the sameMar 20, 12Sep 09, 14[H01L]
8772138 High voltage light emitting diode chip and its manufacturing methodMay 07, 12Jul 08, 14[H01L]
8729390 Torsion resistant shielded cableMar 08, 12May 20, 14[H01B]
D685751 Substrate for light emitting diodeJul 17, 12Jul 09, 13[1303]
D678598 Lens for light emitting diodeJul 17, 12Mar 19, 13[2699]
7973330 Substrate-free light emitting diodeJul 27, 09Jul 05, 11[H01L]
7821094 Light emitting diode structureOct 08, 08Oct 26, 10[H01L]
7781242 Method of forming vertical structure light emitting diode with heat exhaustion structureDec 10, 09Aug 24, 10[H01L]
7741772 White LED package structure having a silicon substrate and method of making the sameApr 18, 07Jun 22, 10[H01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0308,646 LIGHT-EMITTING DIODE ARRAY AND LIGHT SOURCE MODULE USING THE SAMEAbandonedMar 20, 15Oct 29, 15[F21S]
2015/0308,649 LIGHT SOURCE MODULE AND ILLUMINATION DEVICE USING THE SAMEAbandonedMar 20, 15Oct 29, 15[F21S]
2014/0103,382 HIGH EFFICIENCY LIGHT EMITTING DIODE DEVICEAbandonedDec 16, 13Apr 17, 14[H01L]
2014/0063,836 Laser Lighting DeviceAbandonedJan 22, 13Mar 06, 14[F21V]
8643273 Light emitting diode device having pillars disposed such that light efficiency of the device is improvedExpiredJul 30, 12Feb 04, 14[H05B]
8632237 Light guide plate with adjustable illumination angle, illumination device with adjustable illumination angle, and method for adjusting illumination angle thereofExpiredJul 31, 12Jan 21, 14[F21V]
2014/0017,831 METHOD FOR ENHANCING ELECTRICAL INJECTION EFFICIENCY AND LIGHT EXTRACTION EFFICIENCY OF LIGHT-EMITTING DEVICESAbandonedJul 17, 13Jan 16, 14[H01L]
2013/0320,387 LIGHT EMITTING DIODE AND MANUFACTURING METHOD THEREOFAbandonedJan 25, 13Dec 05, 13[H01L]
8597961 Method for improving internal quantum efficiency of group-III nitride-based light emitting deviceExpiredOct 20, 09Dec 03, 13[H01L]
2013/0313,965 Light Emitting Diode UnitAbandonedMay 02, 13Nov 28, 13[F21V]
2013/0242,569 Substrate for Carrying Light Emitting Diodes and Manufacturing Method ThereofAbandonedMay 11, 12Sep 19, 13[F21V, B29D, G02B]
2013/0233,710 METHOD OF MANUFACTURING LIGHT EMITTING DIODE PACKAGING LENS AND LIGHT EMMITING DIODE PACKAGEAbandonedApr 17, 13Sep 12, 13[C23C]
8513688 Method for enhancing electrical injection efficiency and light extraction efficiency of light-emitting devicesExpiredDec 02, 09Aug 20, 13[H01L]
8513886 Light emitting diode deviceExpiredJan 31, 13Aug 20, 13[H01J]
2013/0169,164 DEVICE AND METHOD FOR PROTECTING EYESAbandonedFeb 14, 12Jul 04, 13[H05B]
8455910 Method of manufacturing light emitting diode packaging lens and light emitting diode packageExpiredSep 21, 09Jun 04, 13[H01L]
2013/0122,610 Apparatus and Method for Die BondingAbandonedMay 01, 12May 16, 13[H01L, B32B]
2013/0105,852 PACKAGE STRUCTURE AND MANUFACTURING METHOD FOR THE SAMEAbandonedJan 30, 12May 02, 13[H01L]
2013/0100,098 Micro-Projector, Control Signal for a Micro-Projector and Method for Generating the SameAbandonedDec 09, 11Apr 25, 13[G09G]
8421104 Light emitting diode apparatus and method for enhancing luminous efficiency thereofExpiredMay 24, 10Apr 16, 13[H01L]

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