Windell Corporation
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Dec 3, 2001 → Apr 8, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6762436B1 | Double-side display structure for transparent organic light emitting diodes and method of manufacturing the same | Electricity | 31 | Expired |
| US6847340B2 | Active organic light emitting diode drive circuit | Physics | 11 | Expired |
| US6798135B2 | Long-life type organic electroluminescent device | Electricity | 10 | Expired |
| US6777886B1 | Digital driving method and apparatus for active matrix OLED | Physics | 6 | Expired |
| US6515312B1 | Method for packaging organic electroluminescent device | Electricity | 3 | Expired |
| US6798134B2 | Organic electroluminescent device with improved lifetime | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.