Ledvance Gmbh

Osram Gesellschaft MIT Beschraenkter Haftung

Patent-treuhand-gesellschaft Fuer Elektrische Gluehlampen Mbh

Osram Ag

Osram Gesellschaft MIT Beschrankter Haftung

Osram Gmbh

Armin Konrad

Martin Zachau

Frank Jermann

Thomas Noll

Franz Kummer

Christina Wille

Torsten Fries

Alfred Gahn

Renate Hirrle

Zhian Li

Shijun Nie

Thomas Huckenbeck

Achim Hilscher

Ulrich Biebel

Robert Otto

Kirsten Fuchs

Matthias Knoll

Tianci Zeng

Joerg Strauss

Wolfgang Gruber

Alfred-Georg Gahn

Matthias Schiplage

Friedbert Schacherer

Nina Goebel

Claudia Held

Roger Hunt

Ralph Hoeck

Claudia Castiglioni

Markus Schönheits

Alexander Bothe

Melanie Koehler

Frauke Philipp

Stephan Appel

Markus Schoenheits

Jörg Strauss

Harald Denz

Sabrina Barna

Provided is a light engine of a lamp. The light engine includes a number of light engine modules, and a support frame for movably mounting the light engine modules, where each light engine module comprises one or more light sources. The support frame includes a number of movable components, the movable components of the support frame are mechanically engaged to the light engine modules, such that mechanical motion of the movable components of the support frame relative to each other can cause the motion of the light engine modules relative to each other. In addition, a lamp with a light engine is provided.

Light engine and lamp with light engine

Provided is a lamp assembly including a lamp main body. The lamp assembly includes at least one light engine, and at least one first connector for electrically connecting the at least one light engine to a power supply and mechanically fixing the last light engine to the lamp main body. The at least one first connector is configured to separably mount the at least one light engine to the lamp main body. In addition, a method for assembling a lamp is also provided.

Lamp assembly and method for assembling lamp

A low-pressure discharge lamp having a discharge vessel and a coating structure. The coating structure is formed on an inner side of the discharge vessel. The coating structure has nanoscale phosphate particles and/or nanoscale functional oxide. Alternatively or in addition, the phosphate particles are free or at least approximately free of rare earth metals. The nanoscale phosphate particles range in size from 5 nm to 800 nm.

Low-pressure discharge lamp

A lighting device for room lighting in photolithography applications (in particular a retrofit lamp in sizes T5 and T8) comprises a light engine having a first light source which is configured to emit light in the wavelength range above approximately 500 nm and a second light source which is configured to emit light in a different wavelength range from the first light source. The first light source produces light in a spectral range within which photoresists used in photolithography are not sensitive. The second light source produces white light (either alone or in combination with the first light source).

LED-based clean room lighting

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.

Illuminant and illuminant lamp comprising said illuminant

In different embodiments, a low-pressure discharge lamp () is provided. The low-pressure discharge lamp has a discharge vessel () and a coating structure (). The coating structure is formed on an inner face of the discharge vessel (). The coating structure () has first fluorescent particles () which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 &#x3bc;m to 1.9 &#x3bc;m, second fluorescent particles () which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 &#x3bc;m to 2.8 &#x3bc;m or from 1 &#x3bc;m to 4 &#x3bc;m, and third fluorescent particles () which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 &#x3bc;m to 4 &#x3bc;m.

Low-pressure discharge lamp with fluorescent particles having a small particle size

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.

Luminophore composition for low pressure discharge lamps

The invention relates to an illuminant mixture for a discharge lamp () with a first and at least one second illuminant composition, said first illuminant composition having an emission spectrum in the green to yellow spectral range and having a first illuminant compound, devoid of Tb and designed to absorb the UV radiation emitted by an Hg source. The invention also relates to a discharge lamp () with a discharge vessel () and an illuminant layer () applied thereto, said layer containing the illuminant mixture according to the invention.

Illuminant mixture for a discharge lamp and discharge lamp, in particular an Hg low-pressure discharge lamp

A phosphor mixture for a discharge lamp, which includes a first phosphor compound and a second phosphor compound, wherein the first phosphor compound has an emission spectrum in the green and/or yellow spectral range and absorbs the UV radiation emitted by an Hg source and the radiation in the blue spectral range emitted by the Hg source, characterized in that the first phosphor compound of the phosphor mixture comprises (Ba,Sr,Ca)SiO:Eu and/or (SrBaCa)SiON:Eu(SrSiON), as a constituent, and the second phosphor compound of the phosphor mixture comprises YO:Eu, as a constituent; and the phosphor mixture has a color temperature of less than 2500 K.

Phosphor mixture for a discharge lamp and a 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.

Operating device and method for operating at least one Hg low pressure discharge lamp

The invention relates to an illuminant compound for a discharge lamp (), said compound having an emission spectrum in the green spectral range and being designed to absorb the radiation emitted in the visible spectral range by an Hg source and to convert said visible radiation of the Hg source into the emission spectrum of the illuminant compound. The invention also relates to a discharge lamp comprising an illuminant compound of this type.

Discharge lamp and illuminant compound for a discharge lamp

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.

Fluorescent coating for high output lamps with color temperatures of less than 2700 kelvin

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.

Phosphor composition for a low-pressure discharge lamp with high color temperature

An apparatus for producing oxidic nanocrystals from metal organic compounds or volatile inorganic compounds comprises an apparatus which includes a first vaporizer which is connected to a first carrier gas stream to produce a first reactant gas stream, a second vaporizer is connected to a second carrier gas stream to produce a second reactant gas stream the first and second reactant gas streams are connected to a first feed line and flow heated reactor wherein the reactants are heated and reacted to provide oxidic nanocrystals which are unagglomerated having a mean particle size of up to 20 nanometers.

Apparatus for producing oxidic nanocrystals

The present invention relates to oxidic nanocrystals and a process and apparatus for producing oxidic nanocrystals from metalorganic compounds or volatile inorganic compounds. In particular, the process is suitable for oxidic or oxysulfidic nanocrystals, particularly based on the elements Y, Gd, Mg, Ca, Ba and Al. The nanocrystals preferably have a mean initial particle size of 1 to 20 nm.

Growing community of inventors

Groβaitingen, Germany

Armin Konrad