Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593567 | Transformation structures for approximating color matching functions | — | 2009-09-22 |
| 7443209 | PWM LED regulator with sample and hold | — | 2008-10-28 |
| 6992803 | RGB primary color point identification system and method | — | 2006-01-31 |
| 6894675 | Seamless highlighting in LCD monitors and LCD-TV | Gert W. Bruning | 2005-05-17 |
| 6888529 | Control and drive circuit arrangement for illumination performance enhancement with LED light sources | Gert W. Bruning | 2005-05-03 |
| 6784867 | Voltage-fed push LLC resonant LCD backlighting inverter circuit | — | 2004-08-31 |
| 6768047 | Autonomous solid state lighting system | Gert W. Bruning | 2004-07-27 |
| 6753661 | LED-based white-light backlighting for electronic displays | Subramanian Muthu, Frank Jeroen Pieter Schuurmans, James M. Gaines | 2004-06-22 |
| 6734639 | Sample and hold method to achieve square-wave PWM current source for light emitting diode arrays | Bernd Clauberg | 2004-05-11 |
| 6635817 | Solar cell array having lattice or matrix structure and method of arranging solar cells and panels | — | 2003-10-21 |
| 6621235 | Integrated LED driving device with current sharing for multiple LED strings | — | 2003-09-16 |
| 6600562 | Method of extended color sense and estimation for RGB LED illuminants | — | 2003-07-29 |
| 6552495 | Adaptive control system and method with spatial uniform color metric for RGB LED based white light illumination | — | 2003-04-22 |
| 6541925 | Resonant converter circuit with suppression of transients during changes in operating condition | Joseph Chang, Gert W. Bruning | 2003-04-01 |
| 6510995 | RGB LED based light driver using microprocessor controlled AC distributed power system | Subramanian Muthu | 2003-01-28 |
| 6509696 | Method and system for driving a capacitively coupled fluorescent lamp | Gert W. Bruning | 2003-01-21 |
| 6498437 | Short circuit protection for multiple lamp LCD backlight ballasts with PWM dimming | Roderick T. Hinman | 2002-12-24 |
| 6495964 | LED luminaire with electrically adjusted color balance using photodetector | Subramanian Muthu | 2002-12-17 |
| 6465991 | Switchable power converter with coupled inductor boost and coupled inductor SEPIC for multiple level input line power factor correction | — | 2002-10-15 |
| 6441558 | White LED luminary light control system | Subramanian Muthu, Gert W. Bruning | 2002-08-27 |
| 6429604 | Power feedback power factor correction scheme for multiple lamp operation | — | 2002-08-06 |
| 6407935 | High frequency electronic ballast with reactive power compensation | Gert W. Bruning | 2002-06-18 |