Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018194 | Color stable Mn-activated oxidofluorides as conversion luminescent materials for LED-based solid state light sources | Thomas Paul JANSEN, Ho Jun BYUN, Inbeom Song, Bo Han, Benjamin Kistner | 2024-06-25 |
| 10745616 | Phosphors and phosphor-converted LEDs | Aleksander ZYCH, Mathias Rapphahn, Ralf Petry, Ingo Koehler, Andreas Benker | 2020-08-18 |
| 10689570 | Silicate phosphors | Aleksander ZYCH, Ralf Petry, Mathias Rapphahn, Ingo Koehler | 2020-06-23 |
| 10557081 | Light-converting material | Norbert Stenzel, Andrea Opolka, Bernhard Rieger | 2020-02-11 |
| 10125315 | Phosphors and phosphor-converted LEDs | Aleksander ZYCH, Ralf Petry, Mathias Rapphahn, Ingo Koehler | 2018-11-13 |
| 9157025 | Phosphor mixtures comprising europium-doped ortho-silicates | Holger Winkler, Andreas Benker, Martina Hueber, Monika Kursawe, Ralf Petry +1 more | 2015-10-13 |
| 8501040 | Non-stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same | Chung Hoon Lee, Walter Tews, Gundula Roth | 2013-08-06 |
| 8431954 | Light emitting device employing non-stoichiometric tetragonal alkaline earth silicate phosphors | Chung Hoon Lee, Walter Tews, Gundula Roth | 2013-04-30 |
| 8137589 | Non stoichiometric tetragonal copper alkaline earth silicate phosphors and method of preparing the same | Chung Hoon Lee, Walter Tews, Gundula Roth | 2012-03-20 |
| 8134165 | Light emitting device employing non-stoichiometric tetragonal alkaline earth silicate phosphors | Chung Hoon Lee, Walter Tews, Gundula Roth | 2012-03-13 |