Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7045954 | Organic light-emitting device with reduction of ambient-light-reflection by disposing a multilayer structure over a semi-transparent cathode | Zhiyuan Xie | 2006-05-16 |
| 7037600 | Red-emitting organic electroluminescent elements | Shuit-Tong Lee, Chun-Sing Lee, Baoxiu Mi, Zhi-Qiang Gao | 2006-05-02 |
| 6613458 | Organic electroluminescent elements | Shuit-Tong Lee, Chun-Sing Lee, Bao-Xiu Mi, Zhi-Qiang Gao | 2003-09-02 |
| 6483236 | Low-voltage organic light-emitting device | — | 2002-11-19 |
| 6429451 | Reduction of ambient-light-reflection in organic light-emitting devices | Joseph K. Madathil | 2002-08-06 |
| 6208075 | Conductive fluorocarbon polymer and method of making same | Longru Zheng, Joseph K. Madathil | 2001-03-27 |
| 6208077 | Organic electroluminescent device with a non-conductive fluorocarbon polymer layer | — | 2001-03-27 |
| 6172459 | Electron-injecting layer providing a modified interface between an organic light-emitting structure and a cathode buffer layer | Ching W. Tang, Pranab K. Raychaudhuri | 2001-01-09 |
| 6140763 | Interfacial electron-injecting layer formed from a doped cathode for organic light-emitting structure | Joseph K. Madathil, Ching W. Tang | 2000-10-31 |
| 6137223 | Electron-injecting layer formed from a dopant layer for organic light-emitting structure | Joseph K. Madathil | 2000-10-24 |
| 6069442 | Organic electroluminescent device with inorganic electron transporting layer | Joseph K. Madathil | 2000-05-30 |
| 5966623 | Metal impurity neutralization within semiconductors by fluorination | Rajinder P. Khosla | 1999-10-12 |
| 5846684 | Device for converting invisible and visible radiation to visible light and/or UV radiation | Gustavo R. Paz-Pujalt, James M. Chwalek, Anna L. Hrycin, Dilip K. Chatterjee | 1998-12-08 |
| 5786102 | Device for converting invisible and visible radiation to visible light and/or UV radiation | Gustavo R. Paz-Pujalt, James M. Chwalek, Anna L. Hrycin, Dilip K. Chatterjee | 1998-07-28 |
| 5776622 | Bilayer eletron-injeting electrode for use in an electroluminescent device | Ching W. Tang | 1998-07-07 |
| 5776623 | Transparent electron-injecting electrode for use in an electroluminescent device | Ching W. Tang, Joseph K. Madathil | 1998-07-07 |
| 5677572 | Bilayer electrode on a n-type semiconductor | Ching W. Tang | 1997-10-14 |
| 5608287 | Conductive electron injector for light-emitting diodes | Ching W. Tang, S. Tong Lee | 1997-03-04 |
| 5525380 | Method of making a device for converting infrared radiation | Gustavo R. Paz-Pujalt, James M. Chwalek, Anna L. Hrycin, Dilip K. Chatterjee | 1996-06-11 |
| 5492776 | Highly oriented metal fluoride thin film waveguide articles on a substrate | Gustavo R. Paz-Pujalt, James M. Chwalek, Anna L. Hrycin, Dilip K. Chatterjee, Duncan A. Richards | 1996-02-20 |
| 5453325 | Nonlinear optical waveguide multilayer structure | John A. Agostinelli, Jose M. Mir, Dilip K. Chatterjee | 1995-09-26 |
| 5412679 | Optical waveguide epitaxially grown on semiconductors for upconversion | Gustavo R. Paz-Pujalt | 1995-05-02 |
| 5387459 | Multilayer structure having an epitaxial metal electrode | — | 1995-02-07 |
| 5363462 | Multilayer waveguide using a nonlinear LiN.sub.b Ta.sub.1-x O.sub.3 optical film | Jose M. Mir, John A. Agostinelli | 1994-11-08 |
| 5347157 | Multilayer structure having a (111)-oriented buffer layer | John A. Agostinelli, Jose M. Mir | 1994-09-13 |