Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063552 | LED device having improved light output | Ronald S. Cok | 2011-11-22 |
| 8022612 | White-light LED having two or more commonly controlled portions with improved angular color performance | Ronald S. Cok | 2011-09-20 |
| 7888858 | Light emitting diode device incorporating a white light emitting layer in combination with a plurality of optical microcavities | Ronald S. Cok, Yuan-Sheng Tyan, Donald R. Preuss | 2011-02-15 |
| 7859188 | LED device having improved contrast | Ronald S. Cok, Yuan-Sheng Tyan, Donald R. Preuss | 2010-12-28 |
| 7719182 | OLED device having improved light output | Ronald S. Cok, Joseph F. Revelli, Jr., Lee W. Tutt, Donald R. Preuss | 2010-05-18 |
| 7548021 | OLED device having improved light output | Ronald S. Cok, Joseph F. Revelli, Jr., Donald R. Preuss, Lee W. Tutt | 2009-06-16 |
| 7535646 | Light emitting device with microlens array | Krishnan Chari, Charles W. Lander, Jin-Shan Wang, Donald R. Preuss, Ronald S. Cok +1 more | 2009-05-19 |
| 7309956 | Top-emitting OLED device with improved-off axis viewing performance | Pranab K. Raychaudhuri, Joseph K. Madathil | 2007-12-18 |
| 7268485 | White-emitting microcavity OLED device | Yuan-Sheng Tyan, Steven A. Van Slyke, Giuseppe Farruggia, Thomas R. Cushman | 2007-09-11 |
| 7247394 | Tuned microcavity color OLED display | Tukaram K. Hatwar, Jeffrey P. Spindler, Michele L. Ricks, Dustin L. Winters | 2007-07-24 |
| 7245065 | Reducing angular dependency in microcavity color OLEDs | Amalkumar P. Ghosh, Michael J. Carmody | 2007-07-17 |
| 7196469 | Reducing undesirable absorption in a microcavity OLED | Dustin L. Winters, Michael L. Boroson | 2007-03-27 |
| 7023013 | Array of light-emitting OLED microcavity pixels | Michele L. Ricks, Tukaram K. Hatwar, Jeffrey P. Spindler, Dustin L. Winters | 2006-04-04 |
| 6917159 | Microcavity OLED device | Yuan-Sheng Tyan, Giuseppe Farruggia, Joseph C. Deaton, Steven A. Van Slyke | 2005-07-12 |
| 6905788 | Stabilized OLED device | Yuan-Sheng Tyan, Tukaram K. Hatwar, Giuseppe Farruggia | 2005-06-14 |
| 6861800 | Tuned microcavity color OLED display | Yuan-Sheng Tyan, Giuseppe Farruggia | 2005-03-01 |
| 6737800 | White-emitting organic electroluminescent device with color filters and reflective layer for causing colored light constructive interference | Dustin L. Winters, Steven A. Van Slyke | 2004-05-18 |
| 6602656 | Silver halide imaging element with random color filter array | Krishnan Chari, Dennis R. Perchak | 2003-08-05 |