| Patent application number | Description | Published |
| 20080203891 | Dielectric Barrier Discharge Lamp With Protective Coating - The subject of the present invention is a system incorporating a DBD lamp ( | 08-28-2008 |
| 20080290785 | Light Emitting Device with an Improved Caalsin Light Converting Material - Light emitting device with a light source to emit primary light and a light conversion layer to convert at least a part of the primary light into secondary light comprising a CaAlSiN light converting material with a transmissivity of >10% to ≦80% for a light in the wavelength range from >580 to ≦lOOOnm. | 11-27-2008 |
| 20100053933 | WHITE EMITTING LIGHT SOURCE AND LUMINESCENT MATERIAL WITH IMPROVED COLOUR STABILITY - The invention relates to a white emitting light source with an improved luminescent material of the formula (AEN2/3)*b(MN)*c(SiN4/3)*d1CeO3/2*d2EuO*xSiO2*yAlO3/2 wherein AE is an alkaline earth metal chosen of the group of Ca, Mg, Sr and Ba or mixtures thereof and M is a trivalent element chosen of the group of Al, B, Ga, Sc with d1>10*d2. In combination with a UV to blue light generating device this material leads to an improved light quality and stability, especially an improved temperature stability for a wide range of applications. | 03-04-2010 |
| 20100059777 | ILLUMINATION DEVICE, PARTICULARLY WITH LUMINESCENT CERAMICS - The invention relates to an illumination device ( | 03-11-2010 |
| 20100142181 | ILLUMINATION SYSTEM COMPRISING COMPOSITE MONOLITHIC CERAMIC LUMINESCENCE CONVERTER - An illumination system comprising a radiation source and a monolithic ceramic luminescence converter comprising a composite material of at least one luminescent compound, and at least one non-luminescent compound, wherein the material of the non-luminescent compound comprises silicon and nitrogen, is advantageously used, when the luminescent compound comprises an rare-earth metal-activated host compound also comprising silicon and nitrogen. Shared chemical characteristics of the luminescent compound and the non-luminescent material improve phase assemblage, thermal and optical behavior. The invention relates also to a composite monolithic ceramic luminescence converter. | 06-10-2010 |
| 20100244076 | LIGHT EMITTING DEVICE COMPRISING A GREEN EMITTING SIALON-BASED MATERIAL - The invention relates to a light emitting device, especially a LED comprising a green emitting material of the composition Sr | 09-30-2010 |
| 20100320492 | RED EMITTING SIAION-BASED MATERIAL - The invention relates to a red emitting material of the composition a(M | 12-23-2010 |