| 8833978 |
Traffic signal light device |
Chen-Ho Wu, Shih-Chang Wang, Yi-Kai Cheng, Shu-Chun Chang, Bing-Yu Wu |
2014-09-16 |
| 8573818 |
Luminaire with rotating and removable door |
Shih-Chang Wang, Pin-Hao Hsu |
2013-11-05 |
| 8511865 |
LED luminaire light redirection shield |
Shih-Chang Wang, Pin-Hao Hsu, Yi-Kai Cheng |
2013-08-20 |
| 8111011 |
LED luminaire with improved life and operation management |
Shih-Chang Wang, Chen-Ho Wu |
2012-02-07 |
| 7488086 |
Retrofitting of fluorescent tubes with light-emitting diode (LED) modules for various signs and lighting applications |
Chen-Ho Wu |
2009-02-10 |
| 7347706 |
Light emitting diode (LED) based street light and other lighting applications |
Chen-Ho Wu, Shih-Chang Wang |
2008-03-25 |
| 7172324 |
Internally illuminated light panel with LED modules having light redirecting devices |
Chen-Ho Wu, Chinmau James Hwang, Ching-Yuan Chung |
2007-02-06 |
| 6420732 |
Light emitting diode of improved current blocking and light extraction structure |
Hsing-Jien Kung, Mark DeVito |
2002-07-16 |
| 5041883 |
Light emitting diodes with nitrogen doping |
Peter F. Lindquist, Michael J. Peanasky, Jacob C. Tarn |
1991-08-20 |
| 4864369 |
P-side up double heterojunction AlGaAs light-emitting diode |
Wayne L. Snyder, Dennis C. DeFevere, Frank M. Steranka |
1989-09-05 |