Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241467 | Making a cathode structure for OLEDs | Pranab K. Raychaudhuri | 2012-08-14 |
| 7410825 | Metal and electronically conductive polymer transfer | Debasis Majumdar, Glen Irvin, Lee W. Tutt, Gary S. Freedman, Robert J. Kress | 2008-08-12 |
| 7309956 | Top-emitting OLED device with improved-off axis viewing performance | Pranab K. Raychaudhuri, Joel D. Shore | 2007-12-18 |
| 7157156 | Organic light emitting device having improved stability | Pranab K. Raychaudhuri, Liang-Sheng Liao | 2007-01-02 |
| 7049741 | Organic light emitting diode with improved light emission through substrate | Pranab K. Raychaudhuri | 2006-05-23 |
| 7002293 | Organic light emitting diode with improved light emission through the cathode | Pranab K. Raychaudhuri | 2006-02-21 |
| 6875320 | Highly transparent top electrode for OLED device | Pranab K. Raychaudhuri | 2005-04-05 |
| 6818329 | Organic electroluminescent devices having a metal sub-layer within a hole-transporting region | Liang-Sheng Liao | 2004-11-16 |
| 6797129 | Organic light-emitting device structure using metal cathode sputtering | Pranab K. Raychaudhuri | 2004-09-28 |
| 6794061 | Organic electroluminescent device having an adhesion-promoting layer for use with a magnesium cathode | Liang-Sheng Liao, Pranab K. Raychaudhuri, Ching W. Tang | 2004-09-21 |
| 6781149 | OLED device with a performance-enhancing layer | Liang-Sheng Liao, Kevin P. Klubek, Dustin L. Comfort, Ching W. Tang | 2004-08-24 |
| 6765349 | High work function metal alloy cathode used in organic electroluminescent devices | Liang-Sheng Liao, Pranab K. Raychaudhuri | 2004-07-20 |
| 6603150 | Organic light-emitting diode having an interface layer between the hole-transporting layer and the light-emitting layer | Liang-Sheng Liao, Kevin P. Klubek, Ching W. Tang | 2003-08-05 |
| 6579629 | Cathode layer in organic light-emitting diode devices | Pranab K. Raychaudhuri, Ching W. Tang | 2003-06-17 |
| 6558820 | High contrast light-emitting diode devices | Pranab K. Raychaudhuri | 2003-05-06 |
| 6551725 | Inorganic buffer structure for organic light-emitting diode devices | Pranab K. Raychaudhuri | 2003-04-22 |
| 6429451 | Reduction of ambient-light-reflection in organic light-emitting devices | Liang-Sun Hung | 2002-08-06 |
| 6278236 | Organic electroluminescent devices with electron-injecting layer having aluminum and alkali halide | Max G. Mason, Ching W. Tang | 2001-08-21 |
| 6208075 | Conductive fluorocarbon polymer and method of making same | Liang-Sun Hung, Longru Zheng | 2001-03-27 |
| 6140763 | Interfacial electron-injecting layer formed from a doped cathode for organic light-emitting structure | Liang-Sun Hung, Ching W. Tang | 2000-10-31 |
| 6137223 | Electron-injecting layer formed from a dopant layer for organic light-emitting structure | Liang-Sun Hung | 2000-10-24 |
| 6069442 | Organic electroluminescent device with inorganic electron transporting layer | Liang-Sun Hung | 2000-05-30 |
| 5904961 | Method of depositing organic layers in organic light emitting devices | Ching W. Tang, Dustin L. Comfort | 1999-05-18 |
| 5776623 | Transparent electron-injecting electrode for use in an electroluminescent device | Liang-Sun Hung, Ching W. Tang | 1998-07-07 |