Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8338848 | LED structure | Ghulam Hasnain | 2012-12-25 |
| 8330390 | AC LED light source with reduced flicker | David Hum | 2012-12-11 |
| 8324652 | Highly reflective mounting arrangement for LEDs | Frank Shum, Chao-Kun Lin, William W. So, Qingwei Mo | 2012-12-04 |
| 8309972 | LEDs with efficient electrode structures | Frank Shum, William W. So | 2012-11-13 |
| 8232568 | High brightness LED utilizing a roughened active layer and conformal cladding | Ling Zhang, Jeffrey C. Ramer | 2012-07-31 |
| 8115226 | Low optical loss electrode structures for LEDs | Frank Shum, William W. So | 2012-02-14 |
| 8114690 | Methods of low loss electrode structures for LEDs | Frank Shum, William W. So | 2012-02-14 |
| 8084775 | Light sources with serially connected LED segments including current blocking diodes | Ghulam Hasnain, Syn-Yem Hu, Jeff Ramer | 2011-12-27 |
| 8039869 | Gallium nitride device substrate containing a lattice parameter altering element | Virginia Robbins, Scott W. Corzine | 2011-10-18 |
| 8026524 | LEDs with low optical loss electrode structures | Frank Shum, William W. So | 2011-09-27 |
| 8026527 | LED structure | Ghulam Hasnain | 2011-09-27 |
| 7993943 | GaN based LED with improved light extraction efficiency and method for making the same | — | 2011-08-09 |
| 7982409 | Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDs | Ghulam Hasnain, Syn-Yem Hu | 2011-07-19 |
| 7897992 | Low optical loss electrode structures for LEDs | Frank Shum, William W. So | 2011-03-01 |
| 7847297 | Ohmic contact on p-type GaN | Jeffrey N. Miller, David P. Bour, Virginia Robbins | 2010-12-07 |
| 7791090 | GaN based LED having reduced thickness and method for making the same | Frank Shum | 2010-09-07 |
| 7674639 | GaN based LED with etched exposed surface for improved light extraction efficiency and method for making the same | — | 2010-03-09 |
| 7635874 | Edge-emitting LED assembly | Jeffrey N. Miller, Virginia Robbins | 2009-12-22 |
| 7622746 | Highly reflective mounting arrangement for LEDs | Frank Shum, Chao-Kun Lin, William W. So, Qingwei Mo | 2009-11-24 |
| 7581863 | Laser light source adapted for LCD back-lit displays | — | 2009-09-01 |
| 7573074 | LED electrode | Frank Shum, William W. So | 2009-08-11 |
| 7495314 | Ohmic contact on p-type GaN | Jeffrey N. Miller, David P. Bour, Virginia Robbins | 2009-02-24 |
| 7473941 | Structures for reducing operating voltage in a semiconductor device | Virginia Robbins, Jeffrey N. Miller, David P. Bour | 2009-01-06 |
| 7273798 | Gallium nitride device substrate containing a lattice parameter altering element | Virginia Robbins, Scott W. Corzine | 2007-09-25 |
| 7095052 | Method and structure for improved LED light output | — | 2006-08-22 |