Assignee
GROUP IV SEMICONDUCTOR INC
CA·9 granted patents·1 pending application·93 citations·filing 2004–2009
Top patents by PatentIndex Score
10 records- 0189US7679102B2Carbon passivation in solid-state light emittersGROUP IV SEMICONDUCTOR INC·Filed 2006·Granted Mar 16, 2010·32 cites·23 claims
- 0279US7122842B2Solid state white light emitter and display using sameGROUP IV SEMICONDUCTOR INC·Filed 2004·Granted Oct 17, 2006·27 cites·35 claims
- 0376US7888686B2Pixel structure for a solid state light emitting deviceGROUP IV SEMICONDUCTOR INC·Filed 2008·Granted Feb 15, 2011·7 cites·20 claims
- 0474US7616272B2Electroluminescent films for backlighting liquid crystal displaysGROUP IV SEMICONDUCTOR INC·Filed 2007·Granted Nov 10, 2009·4 cites·25 claims
- 0573US7081664B2Doped semiconductor powder and preparation thereofGROUP IV SEMICONDUCTOR INC·Filed 2004·Granted Jul 25, 2006·15 cites·16 claims
- 0666US7839467B2Color Tuneable electroluminescent devicesGROUP IV SEMICONDUCTOR INC·Filed 2009·Granted Nov 23, 2010·2 cites·15 claims
- 0763US7800117B2Pixel structure for a solid state light emitting deviceGROUP IV SEMICONDUCTOR INC·Filed 2006·Granted Sep 21, 2010·3 cites·23 claims
- 0862US7923925B2Light emitting device with a stopper layer structureGROUP IV SEMICONDUCTOR INC·Filed 2008·Granted Apr 12, 2011·3 cites·25 claims
- 0950US7923288B2Zinc oxide thin film electroluminescent devicesGROUP IV SEMICONDUCTOR INC·Filed 2008·Granted Apr 12, 2011·0 cites·20 claims
- 1037US2006065943A1Thin film alternating current solid-state lightingGROUP IV SEMICONDUCTOR INC·Filed 2005·Application pending·0 cites
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