Patent application number | Description | Published |
20080265207 | Phosphor Composition for a Low-Pressure Discharge Lamp with High Color Temperature - A phosphor composition for a low-pressure discharge lamp with a high light yield and a high color temperature contains phosphors which emit in the red wavelength region, including yttrium oxide doped with europium or gadolinium-zinc-magnesium pentaborate doped with cerium and manganese, phosphors which emit in the green wavelength region including lanthanum phosphate doped with cerium and terbium and/or cerium-magnesium aluminate doped with terbium and/or cerium-magnesium pentaborate doped with terbium, and optionally a phosphor which emits in the blue wavelength region of the barium-magnesium aluminate doped with europium type. The phosphor composition additionally contains at least one phosphor which emits in the blue or blue-green wavelength region selected from the group consisting of manganese-strontium-barium-magnesium aluminate doped with manganese and europium or barium-magnesium aluminate doped with europium and manganese and strontium aluminate doped with europium and strontium-barium-calcium chloroapatite doped with europium and strontium borophosphate doped with europium. | 10-30-2008 |
20100052507 | FLUORESCENT COATING FOR HIGH OUTPUT LAMPS WITH COLOR TEMPERATURES OF LESS THAN 2700 KELVIN - The invention relates to a fluorescent coating for Hg low-pressure discharge lamps, comprising a fluorescent composition from at least one green fluorescent material emitting in the green spectral range, especially a Tb- and/or Eu-doped green fluorescent material, and a red fluorescent material emitting in the red spectral range, especially a Eu and/or Mn red fluorescent material. The invention is characterized in that a further fluorescent material is present which is adapted to absorb UV Hg and Hg-Vis radiation. | 03-04-2010 |
20100102703 | DISCHARGE LAMP AND ILLUMINAN COMPOUND FOR A DISCHARGE LAMP - The invention relates to an illuminant compound for a discharge lamp ( | 04-29-2010 |
20100102704 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN Hg LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 04-29-2010 |
20100141114 | ILLUMINANT MIXTURE FOR A DISCHARGE LAMP AND DISCHARGE LAMP, IN PARTICULAR AN HG LOW-PRESSURE DISCHARGE LAMP - The invention relates to an illuminant mixture for a discharge lamp ( | 06-10-2010 |
20110211332 | REFLECTOR ELEMENT FOR AN ELECTRIC LAMP AND LAMP WITH SUCH A REFLECTOR ELEMENT - A reflector element for an electric lamp is provided, wherein the reflector element is constructed in such a way that it is designed for photocatalysis and/or for color conversion of the light. | 09-01-2011 |
20110221329 | Low Pressure Discharge Lamp - A low-pressure discharge lamp having a discharge vessel which delimits a gas-tight fill chamber containing a filling gas, wherein the side of the discharge vessel facing the fill chamber is coated at least partially with a luminescent phosphor mixture by means of which electromagnetic radiation in the non-visible range can be transferred into the visible range. A low-pressure discharge lamp which is energy-saving and at the same time possesses good efficiency is provided in that primarily argon is used as the filling gas and that the average particle size of the luminescent phosphor mixture is greater than 5 m. | 09-15-2011 |
20110234103 | Operating device and method for operating at least one Hg low pressure discharge lamp - An operating device for operating at least one Hg low-pressure discharge lamp which has a first and a second electrode coil may include a unit for providing a variable that is correlated with the Hg vapor pressure in the at least one Hg low-pressure discharge lamp comprises at least one unit for capturing emission spectra of at least specifiable spectral ranges, wherein the unit for capturing emission spectra may include at least one light receiving unit which is arranged in the beam path of the at least one Hg low-pressure discharge lamp. | 09-29-2011 |
20120217866 | LUMINOPHORE COMPOSITION FOR LOW PRESSURE DISCHARGE LAMPS - In various embodiments, a luminophore composition for low pressure discharge lamps for generating radiation with a color temperature of greater than 4800 K having a very good general color rendering index of greater than 90, the luminophore composition including at least one halophosphate luminophore, a luminophore emitting in the red wavelength region, a luminophore emitting in the blue-green wavelength region, a europium-doped luminophore emitting in the blue wavelength region and a Tb-doped luminophore emitting in the green wavelength region, wherein the luminophore composition includes a luminophore emitting in an emission range in the visible region with wavelengths of greater than 380 nm and at least one emission band in the near ultraviolet and that the emitted intensity of the luminophore is smaller in the visible region than in the near ultraviolet region. | 08-30-2012 |
20120320582 | LAMP COMPRISING AT LEAST ONE LIGHT SOURCE AND AN ELECTRONIC OPERATING DEVICE - A lamp in accordance with various embodiments may include at least one light source; and an electronic operating device; wherein at least some electronic components of the operating device are arranged laterally with respect to the light source. | 12-20-2012 |
20130293101 | DISCHARGE LAMP HAVING A DISCHARGE VESSEL AND MERCURY FILLING - A discharge lamp having a mercury-filled discharge vessel, a shatterproofing layer on the outside of the discharge vessel, and a contamination protection material applied to the inner face of the shatterproofing layer is disclosed. In case of breakage, discharge vessel shards are held together by the shatterproofing layer, and the mercury is bonded to the contamination protection material. | 11-07-2013 |
20140175974 | GAS DISCHARGE LAMP WITH GETTER AND METHOD FOR PRODUCING A GAS DISCHARGE LAMP - A gas discharge lamp may include: a discharge vessel; getter material in the discharge vessel, wherein the getter material has been introduced into the discharge vessel in anhydrous form. A method for producing the gas discharge lamp may include: introducing getter material into the discharge vessel of the gas discharge lamp, wherein the getter material is introduced into the discharge vessel in anhydrous form. | 06-26-2014 |
20140191652 | ILLUMINANT AND ILLUMINANT LAMP COMPRISING SAID ILLUMINANT - A phosphor for low-pressure discharge lamps is disclosed, wherein the phosphor is present in the form of phosphor grains coated with a protective layer, wherein the protective layer consists of a metal oxide, a metal borate, a metal phosphate or mixtures thereof. | 07-10-2014 |