Hee-Joo Ko
48Patents
6h-index
53Co-inventors
68Inventor score
Filing activity: Oct 20, 2006 → Jan 25, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9391124B2 | Organic light emitting diode display | Electricity | 11 | Active |
| US9515280B2 | Organic light emitting device with enhanced lifespan | Electricity | 9 | Active |
| US9178001B2 | Organic light emitting diode and method for manufacturing the same | Electricity | 8 | Active |
| US8659010B2 | Photo luminescence diode and photoluminescence diplay having the same | Electricity | 7 | Active |
| US7868321B2 | Organic light emitting device and flat display including the same | Electricity | 6 | Active |
| US7622584B2 | Imidazopyridine-based compound and organic light emitting diode including organic layer comprising the imidazopyridine-based compound | Electricity | 6 | Active |
| US8415874B2 | Organic light-emitting device and method of manufacturing the same | Electricity | 5 | Active |
| US8344365B2 | Organic light emitting device | Electricity | 5 | Active |
| US8415688B2 | Organic light emitting diode display | Electricity | 5 | Active |
| US9105860B2 | Organic light emitting diode | Electricity | 5 | Active |
| US8604501B2 | Organic light emitting display device | Electricity | 4 | Active |
| US9559322B2 | Quantum dots, methods of manufacturing quantum dots and methods of manufacturing organic light emitting display devices using the same | Electricity | 4 | Active |
| US8330172B2 | Organic light emitting diode display and manufacturing method thereof | Electricity | 2 | Active |
| US9825244B2 | Organic light-emitting device | Electricity | 2 | Active |
| US9269918B2 | Organic light-emitting display device having plural emitting layers disposed between two electrodes | Electricity | 2 | Active |
| US8736546B2 | Display device | Electricity | 2 | Active |
| US8383431B2 | Organic light-emitting diode and method of manufacturing the same | Electricity | 2 | Active |
| US8431251B2 | Heterocyclic compound and organic light-emitting device comprising the same | Electricity | 2 | Active |
| US9163004B2 | Organic light-emitting device | Electricity | 2 | Active |
| US8686420B2 | Organic light emitting diode display and method for manufacturing the same | Electricity | 1 | Active |
| US8525160B2 | Organic light emitting device | Electricity | 1 | Active |
| US8203141B2 | Organic light-emitting device | Electricity | 1 | Active |
| US9051328B2 | Heterocyclic compound and organic light-emitting device including the same | Electricity | 1 | Active |
| US7875369B2 | Heterocycle-containing organometallic complex and organic light emitting device including the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US9293736B2 | Organic light emitting element having emission layers and an electron injection layer including fullerene and lithium quinolate | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.