E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
14Patents
12Active
14Granted
43Portfolio score
Filing activity: Jan 20, 2003 → Sep 27, 2019 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8592055B2 | Compound for organic electroluminescent device and organic electroluminescent device having the same | Electricity | 6 | Active |
| US6649089B2 | Red organic electroluminescent materials | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6838194B2 | Efficient organic electroluminescent devices with red fluorescent dopants | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10014480B2 | Heterocyclic compounds and organic electroluminescent devices using the same | Electricity | 1 | Active |
| US9450192B2 | Carbazole derivative and organic electroluminescent devices utilizing the same and fabrication method thereof | Electricity | 1 | Active |
| US9153787B2 | Electron transporting compounds and organic electroluminescent devices using the same | Electricity | 1 | Active |
| US10243147B2 | Organic light-emitting element | Electricity | 1 | Active |
| US9353085B2 | Compound for organic electroluminescent device and organic electroluminescent devices using the same | Electricity | 0 | Active |
| US10580995B2 | Compounds for organic electroluminescent components and organic electroluminescent devices using the same | Electricity | 0 | Active |
| US11393983B2 | Phenyl biphenylpyrimidine compound and an organic electroluminescent device using the same | Electricity | 0 | Active |
| US9812654B2 | Phosphorescent materials for organic electroluminescent devices | Electricity | 0 | Active |
| US7939184B2 | Amine compounds, their preparation processes and the organic electroluminescent devices using the same | Electricity | 0 | Active |
| US9559312B1 | Imidazole compound, material for electronic device, electroluminescent device, and electronic device thereof | Electricity | 0 | Active |
| US9306096B2 | Electrically conducting compositions for organic electronic devices | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.