Issued Patents All Time
Showing 51–75 of 114 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580643 | Coated narrow band red-emitting fluorosilicates for semiconductor LEDS | Volker Weiler | 2017-02-28 |
| 9564557 | LED based device with wide color gamut | Volker Weiler, Hans-Helmut Bechtel | 2017-02-07 |
| 9564559 | White emitting light source and luminescent material | Joerg Meyer, Hans-Helmut Bechtel, Walter Mayr, Baby-Seriyati Schreinemacher, Detlef Uwe Wiechert | 2017-02-07 |
| 9546319 | Phosphors, such as new narrow-band red emitting phosphors for solid state lighting | Frauke Charlotte Hintze, Philipp Pust, Volker Weiler, Cora Sieglinde Hecht, Sebastian Florian Schmiechen +2 more | 2017-01-17 |
| 9482411 | Light scattering and conversion plate for LEDs | Hans-Helmut Bechtel, Matthias Heidemann | 2016-11-01 |
| 9422471 | Mn-activated hexafluorosilicates for LED applications | Volker Weiler, Wolfgang Schnick, Markus Seibald | 2016-08-23 |
| 9359260 | Luminescent ceramic for a light emitting device | Gerd O. Mueller, Regina B. Mueller-Mach, Michael R. Krames, Hans-Helmut Bechtel, Joerg Meyer +2 more | 2016-06-07 |
| 9257607 | Red emitting luminescent materials | Walter Mayr, Baby-Seriyati Schreinemacher, Joerg Meyer, Hans-Helmut Bechtel | 2016-02-09 |
| 9175214 | Lighting device with light source and wavelength converting element | Joerg Meyer, Volker Weiler | 2015-11-03 |
| 9097397 | Light source using remote phosphor and pink LED | Patrick Henricus Johannes Van Stijn, Martinus Petrus Joseph Peeters, Hans-Helmut Bechtel, Matthias Heidemann, Jordy Bernard Margreth Schoenmaekers | 2015-08-04 |
| 9024520 | White emitting light source and luminescent material | Joerg Meyer, Hans-Helmut Bechtel, Walter Mayr, Baby-Seriyati Schreinemacher, Detlef Uwe Wiechert | 2015-05-05 |
| 8998455 | Method of manufacturing a part of a color ring and a part of a color ring | Ulrich Weichmann, Yuri Aksenov, Johannes Baier, Jan Renier Marie Hochstenbach, Uwe Mackens +1 more | 2015-04-07 |
| 8957439 | LED assembly | Hans-Helmut Bechtel, Matthias Heidemann, Thomas Diederich | 2015-02-17 |
| 8829779 | Electroluminescent device | Hans-Helmut Bechtel, Wolfgang Busselt, Baby-Seriyati Schreinemacher | 2014-09-09 |
| 8796916 | White emitting light source and luminescent material | Joerg Meyer, Hans-Helmut Bechtel, Walter Mayr, Baby-Seriyati Schreinemacher, Detlef Uwe Wiechert | 2014-08-05 |
| 8721098 | Light scattering and conversion plate for LEDs | Hans-Helmut Bechtel, Matthias Heidemann | 2014-05-13 |
| 8680547 | Light emitting device comprising a multiphase ceramic material | Baby-Seriyati Schreinemacher, Andreas Tuecks | 2014-03-25 |
| 8546845 | Light emitting device comprising a green emitting sialon-based material | Walter Mayr, Joerg Meyer, Juliane Kechele, Wolfgang Schnick, Oliver Michael Oeckler | 2013-10-01 |
| 8545722 | Illumination system comprising a radiation source and a luminescent material | Jorg Meyer, Walter Mayr, Hans-Helmut Bechtel | 2013-10-01 |
| 8465166 | White emitting light source and luminescent material with improved colour stability | Joerg Meyer, Hans-Helmut Bechtel, Walter Mayr, Baby-Seriyati Schreinemacher, Detlef Uwe Wiechert | 2013-06-18 |
| 8441026 | Red emitting SiAlON-based material | Joerg Meyer, Hans-Helmut Bechtel, Walter Mayr, Baby-Seriyati Schreinemacher, Matthias Heidemann | 2013-05-14 |
| 8409472 | Red emitting luminescent materials | Walter Mayr, Joerg Meyer, Wolfgang Schnick, Cora Sieglinde Hecht, Florian Stadler | 2013-04-02 |
| 8278674 | Luminescent ceramic element for a light emitting device | Michael R. Krames | 2012-10-02 |
| 8256914 | Arrangement for emitting mixed light | Hans-Helmut Bechtel, Matthias Wendt | 2012-09-04 |
| 8247828 | Illumination device, particularly with luminescent ceramics | Hans-Helmut Bechtel, Wolfgang Busselt, Joerg Meyer | 2012-08-21 |