Issued Patents 2011
Showing 1–3 of 3 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 |