Issued Patents All Time
Showing 25 most recent of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11281084 | Illumination system with crystal phosphor mechanism and method of operation thereof | Yung Peng Chang, Alan X. Wang, Kirk K. Huang, Mark Chang, Lion Wang +1 more | 2022-03-22 |
| 10754236 | Illumination system with high intensity projection mechanism and method of operation thereof | Yung Peng Chang, Alan X. Wang, Kirk K. Huang, Mark Chang, Lion Wang +1 more | 2020-08-25 |
| 9767719 | Billboard or other large displays having artwork illuminated with an LED backlight array | Seiji Inatsugu | 2017-09-19 |
| 9057488 | Liquid-cooled LED lamp | — | 2015-06-16 |
| 8979308 | LED illumination system with recycled light | — | 2015-03-17 |
| 8858037 | Light emitting diode array illumination system with recycling | — | 2014-10-14 |
| 8789973 | Liquid cooled LED lighting device | — | 2014-07-29 |
| 8602567 | Multiplexing light pipe having enhanced brightness | George Ouyang | 2013-12-10 |
| 8388190 | Illumination system and method for recycling light to increase the brightness of the light source | Seiji Inatsuju | 2013-03-05 |
| 8317331 | Recycling system and method for increasing brightness using light pipes with one or more light sources, and a projector incorporating the same | — | 2012-11-27 |
| 7976204 | Illumination system and method for recycling light to increase the brightness of the light source | Seiji Inatsugu | 2011-07-12 |
| 7710669 | Etendue efficient combination of multiple light sources | — | 2010-05-04 |
| 7631989 | Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification | — | 2009-12-15 |
| 7618158 | Illumination system using filament lamps | — | 2009-11-17 |
| 7513630 | Compact dual ellipsoidal reflector (DER) system having two molded ellipsoidal modules such that a radiation receiving module reflects a portion of rays to an opening in the other module | — | 2009-04-07 |
| 7452086 | Light pipe based projection engine | — | 2008-11-18 |
| 7357558 | LCD display backlight system with improved color mixing and efficiency | Seiji Inatsugu | 2008-04-15 |
| 7357550 | LED illumination engine using a reflector | — | 2008-04-15 |
| 7338187 | Multiple lamp illumination system | — | 2008-03-04 |
| 7339735 | Polarization recovery system for projection displays | — | 2008-03-04 |
| 7232228 | Light recovery for projection displays | — | 2007-06-19 |
| 7213947 | Multiple output illumination using reflectors | Sheldon Sillyman | 2007-05-08 |
| 7172290 | Light pipe based projection engine | — | 2007-02-06 |
| 7151874 | Lensed tapered optical waveguide | — | 2006-12-19 |
| 7130122 | Polarization recovery system for projection displays | — | 2006-10-31 |