Patent-treuhand-gesellschaft Fuer Elektrische Gluehlampen Mbh

Osram Opto Semiconductors Gmbh

Osram Gesellschaft MIT Beschrankter Haftung

Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Osram Gesellschaft MIT Beschraenkter Haftung

Osram Sylvania Inc.

Osram Ag

Patent-treuhand-gesellschaft F. Elektrische Gluehlampen Mbh

Patent-Treuhand-Gesellschaft Für Elektrische Glëhlapen Mbh

Osram Gmbh

Ledvance Gmbh

Martin Zachau

Frank Jermann

Tim Fiedler

Armin Konrad

Herbert Brunner

Franz Zwaschka

Dirk Berben

Ulrich Müller

Bert Braune

Renate Hirrle

Dieter Schmidt

Ulrich Mueller

Norwin Von Malm

Benjamin Krummacher

Daniel Becker

Torsten Fries

Günter Huber

Jörg Strauβ

Guenter Huber

Matthias Schiplage

Dominik Eisert

Norbert Linder

Charles F Chenot

Homer Antoniadis

Thomas Noll

Markus Richter

Wolfgang Rossner

Raimund Oberschmid

Florian Schindler

Matthew Stough

Achim Hilscher

Harald Hofmann

Dieter Meiss

Bianca Pohl

Jörg Strauss

Ulrich Biebel

Kirsten Fuchs

Gerhard Doll

Regine Krämer

Wolfgang Gruber

Jürgen Heider

Roger Hunt

Sylvain Mayer

Rainer Schirmer

Ralph Hoeck

Dongxue Wang

Benjamin Claus Krummacher

Antoniadis Homer

Gerhard Döll

Matthias Knoll

An optoelectronic component comprises an organic layer sequence (), which emits an electromagnetic radiation () having a first wavelength spectrum during operation, and also a dielectric layer sequence () and a wavelength conversion region () in the beam path of the electromagnetic radiation () emitted by the organic layer sequence (). The wavelength conversion region () is configured to convert at least partially electromagnetic radiation having the first wavelength spectrum into an electromagnetic radiation () having a second wavelength spectrum. The dielectric layer sequence () is arranged in the beam path of the electromagnetic radiation () emitted by the organic layer sequence between the organic layer sequence () and the wavelength conversion region () and is at least partially opaque to an electromagnetic radiation having a third wavelength spectrum, which corresponds to at least one part of the second wavelength spectrum.

Optoelectronic component

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

There is herein described a light engine that emits a light. The light engine includes a light source, a light guide, a plurality of extraction optical elements, and a plurality of phosphors. The light guide receives the light. The extraction optical elements are on the surface of the light guide. The extraction optical elements extract at least a portion of the light out of the light guide. The phosphors are disposed on top of at least some of the extraction optical elements.

Light engine having distributed remote phosphors

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

A luminescence conversion LED having a radiation emitting chip that is connected to electrical connections and is surrounded by a housing that comprises at least a basic body and a cap, the chip being seated on the basic body, in particular in a cutout of the basic body, and the primary radiation of the chip being converted at least partially into longer wave radiation by a conversion element, wherein the cap is formed by a vitreous body, the conversion means being contained in the vitreous body, the refractive index of the vitreous body being higher than 1.6, preferably at least n=1.7.

Luminescence conversion LED

An optoelectronic component with a semiconductor body that comprises an active semiconductor layer sequence is disclosed, which is suitable for generating electromagnetic radiation of a first wavelength that is emitted from a front face of the semiconductor body. The component also comprises a first wavelength conversion substance following the semiconductor body in its direction of emission, which converts radiation of the first wavelength into radiation of a second wavelength different from the first wavelength, and a first selectively reflecting layer between the active semiconductor layer sequence and the first wavelength conversion substance that selectively reflects radiation of the second wavelength and is transparent to radiation of the first wavelength.

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

A red-emitting phosphor composed of an M-Al&#x2014;Si&#x2014;N system, comprising a cation M, wherein M is represented by at least one of the elements Ca or Ba or Sr and, if appropriate, can additionally be combined with at least one further element from the group Mg, Zn, Cd, wherein the phosphor is activated with Eu, which partly replaces M, and wherein the phosphor additionally contains LiF.

Red-emitting luminophore and light source comprising such a luminophore

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

A luminophore consisting of the BAM system as a host lattice, having the stoichiometry MEuMgMnAlO, is provided, wherein 0.2&#x2266;x&#x2266;0.48; 0&#x2266;y&#x2266;0.3; 0&#x2266;d&#x2266;0.1; &#x2212;0.1&#x2266;f&#x2266;1.0.

Luminophore and lighting system having such a luminophore

An apparatus device such as a light source is disclosed which has an OLED device and a structured luminescence conversion layer deposited on the substrate or transparent electrode of said OLED device and on the exterior of said OLED device. The structured luminescence conversion layer contains regions such as color-changing and non-color-changing regions with particular shapes arranged in a particular pattern.

Structured luminescence conversion layer

A conversion LED is provided. The conversion LED may include a primary light source which emits in the short-wave radiation range below 420 nm, and a luminophore placed in front of it consisting of the BAM system as a host lattice for at least partial conversion of the light source's radiation into longer-wave radiation, wherein the BAM luminophore is applied as a thin layer having a thickness of at most 50 &#x3bc;m directly on the surface of the light source, the BAM luminophore having the general stoichiometry (M1&#x2212;r Mgr)O*k(Al2O3), where r=0.4 to 0.6 and M=EAeEu1&#x2212;e, with EA=Ba, Sr, Ca, and e=0.52 to 0.8, and k=1.5 to 4.5.

Conversion LED

LED with a low color temperature up to 3500 K, comprising a blue-emitting LED with two phosphors in front of it, a first phosphor from the class of the oxynitridosilicates, having a cation M, which is doped with divalent Europium, and has the empirical formula M)SiON:D, with M=Sr, or M=SrBaCawith x+y&#x3c;0.5 being used, the oxynitridosilicate completely or predominantly comprising the high-temperature-stable modification HT, and a second phosphor from the class of the nitridosilicates of formula (Ca,Sr)SiN:Eu.

White-emitting LED having a defined color temperature

Phosphor from the class of the oxynitridosilicates, having a cation M which is doped with divalent europium and having the empirical formula MSiON:D, where M=Sr or M=SrBaCawith x+y&#x3c;is used, the oxynitridosilicate completely or predominantly comprising the high-temperature-stable modification HT.

Green-emitting LED

The illumination system makes simultaneous use of the color-mixing principle from blue, green and red (RGB mixing) and the principle of converting of a primary radiation emitted by an LED into light with a longer wavelength by a phosphor which absorbs this radiation, with at least two LEDs being used, of which a first LED emits primarily in the range from 340 to 470 nm (dominant wavelength) and a second LED emits in the red region at 600 to 700 nm (dominant wavelength), wherein the green component is produced by the primary radiation of the first LED being at least partially converted by a green-emitting phosphor, the green-emitting phosphor used being a phosphor from the class of the oxynitridosilicates, having a cation M and the empirical formula MSiON:D, M comprising Sr as a constituent and D being doped with divalent europium, where M=Sr or M=SrBaCawith x+y&#x3c;0.5 is used, the oxynitridosilicate completely or predominantly comprising the high-temperature-stable modification HT.

High-efficiency led-based illumination system with improved color rendering

Growing community of inventors

Geltendorf, Germany

Martin Zachau