Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8829779 | Electroluminescent device | Peter Josef Schmidt, Hans-Helmut Bechtel, Baby-Seriyati Schreinemacher | 2014-09-09 |
| 8471456 | Electroluminescent light source with improved color rendering | Hans-Helmut Bechtel | 2013-06-25 |
| 8247828 | Illumination device, particularly with luminescent ceramics | Hans-Helmut Bechtel, Peter Josef Schmidt, Joerg Meyer | 2012-08-21 |
| 8159126 | Light emitting device with an improved CaAlSiN light converting material | Peter Josef Schmidt, Joerg Meyer, Walter Mayr, Hans-Helmut Bechtel | 2012-04-17 |
| 8040045 | Electroluminescent light source | Hans-Helmut Bechtel, Peter Josef Schmidt, Joerg Meyer, Herbert Friedrich Boerner, Stefan Peter Grabowski | 2011-10-18 |
| 8035287 | Fluorescent lighting creating white light | Peter Josef Schmidt, Hans-Helmut Bechtel | 2011-10-11 |
| 7982229 | Light emitting device with conversion structure | Hans-Helmut Bechtel, Silvia Golsch, Thomas Justel, Peter Josef Schmidt | 2011-07-19 |
| 7969089 | LED with improved light emission profile | Helmut Bechtel, Georg Gartner, Eliav Itzhak, Joachim Opitz | 2011-06-28 |
| 7952270 | Electroluminescent device | Hans-Helmut Bechtel, Peter Josef Schmidt | 2011-05-31 |
| 7943950 | Structured substrate for a LED | Hans-Helmut Bechtel | 2011-05-17 |
| 7901592 | Illumination system comprising a green-emitting ceramic luminescence converter | Peter Josef Schmidt, Volker Bachmann, Silvia Golsch | 2011-03-08 |
| 7859185 | Light-emitting device | Hans-Helmut Bechtel, Peter Josef Schmidt | 2010-12-28 |
| 7800123 | Electroluminescence device | Helmut Bechtel, Peter Josef Schmidt | 2010-09-21 |
| 7750357 | LED with improved light emittance profile | Dietrich Bertram, Helmut Bechtel, Horst Greiner | 2010-07-06 |
| 7642714 | Electroluminescent device with a transparent cathode | Helmut Bechtel, Herbert Friedrich Borner, Dietrich Bertram | 2010-01-05 |
| 7573189 | Illumination system comprising a radiation source and a fluorescent material | Thomas Juestel, Peter Josef Schmidt, Walter Mayr | 2009-08-11 |
| 7495386 | Electroluminescent device with improved light output | Hans-Helmut Bechtel, Joachim Opitz, Markus Klein, Dietrich Bertram, Harald Gläser | 2009-02-24 |
| 7288107 | Tanning device | Thomas Justel, Cornelis Reinder Ronda, Franscisus Altena, Olaf Mastenbroek, Hans-Helmut Bechtel | 2007-10-30 |
| 7262551 | Electroluminescent device with improved light output | Hans-Helmut Bechtel, Joachim Opitz, Markus Klein, Dietrich Bertram, Harald Gläser | 2007-08-28 |
| 7053543 | Plasma picture screen with blue phospor | Thomas Justel, Hans Nikol | 2006-05-30 |
| 7038370 | Phosphor converted light emitting device | Regina B. Mueller-Mach, Gerd O. Mueller, Thomas Juestel, Peter Josef Schmidt, Walter Mayr | 2006-05-02 |
| 6975287 | Plasma color display screen with pixel matrix array | Hans-Helmut Bechtel, Harald Glaeser | 2005-12-13 |
| 6777879 | Gas discharge lamp comprising a phosphor layer | Thomas Juestel, Claus Feldmann, Walter Mayr | 2004-08-17 |
| 6762548 | Color picture screen with blue phosphor layer | Hans-Helmut Bechtel, Thomas Juestel, Martin Weibrecht, Peter Quadflieg | 2004-07-13 |
| 6753649 | Plasma picture screen with UV light reflecting front plate coating | Helmut Bechtel, Harald Gläser, Claus Feldmann, Joachim Opitz, Detlef Uwe Wiechert | 2004-06-22 |