Patent assignee · TW · COMPANY

Uni Light Technology Inc.

12Patents
1Active
12Granted
31Portfolio score

Filing activity: Nov 4, 1999 → Jul 21, 2006 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6468824B2 Method for forming a semiconductor device having a metallic substrate Electricity 107 Expired
US6555405B2 Method for forming a semiconductor device having a metal substrate Emerging Cross-Sectional Technologies 82 Expired
US6812502B1 Flip-chip light-emitting device Electricity 72 Expired
US6445007B1 Light emitting diodes with spreading and improving light emitting area Electricity 44 Expired
US6884646B1 Method for forming an LED device with a metallic substrate Electricity 21 Expired
US6608328B2 Semiconductor light emitting diode on a misoriented substrate Emerging Cross-Sectional Technologies 13 Expired
US7341882B2 Method for forming an opto-electronic device Physics 4 Expired
US7364926B2 Method for manufacturing gallium nitride light emitting diode devices Electricity 2 Active
US6890781B2 Transparent layer of a LED device and the method for growing the same Electricity 0 Expired
US6963167B2 Electrode structure for a light-emitting element Electricity 0 Expired
US7368369B2 Method for activating P-type semiconductor layer Electricity 0 Expired
US6853012B2 AlGaInP light emitting diode Electricity 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.