Osram Gmbh

Osram Opto Semiconductors Gmbh

Osram Opto Semi-conductors Gmbh Co. Ohg

Patent-treuhand-gesellschaft Fuer Elektrische Gluehlampen Mbh

Other

Siemens Aktiengesellschaft

Osram Opto Semiconductor Gmbh Co. Ohg

Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Osram Gesellschaft MIT Beschrankter Haftung

Osram Opto Semiconductors Gesellschaft MIT Beschraenkter Haftung

Alexandra Debray

Peter Schlotter

Ralf Schmidt

Andries Ellens

Franz Zwaschka

Franz Kummer

Günter Waitl

Klaus Höhn

Jürgen Schneider

Klaus H&ouml;hn

J&uuml;rgen Schneider

Herbert Brunner

Guenther Waitl

Günther Waitl

Harald Jäger

Georg Bogner

Harald Jāger

Harald JÄGER

The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a body that emits ultraviolet, blue or green light. An inorganic luminous substance pigment powder with luminous substance pigments is dispersed in the transparent epoxy casting resin. The luminous substance is a powder of Ce-doped phosphors and the luminous substance pigments have particle sizes &#x2266;20 &#x3bc;m and a mean grain diameter d&#x2266;5 &#x3bc;m.

Wavelength-converting casting composition and light-emitting semiconductor component

The invention describes two methods of fabricating semiconductor components in which a luminescence conversion element is applied directly to the semiconductor body (). In the first method, a suspension () containing a bonding agent and at least one luminescent material () is applied to the semiconductor body () in layers. In the next step the solvent escapes, leaving only the luminescent material () with the bonding agent on the semiconductor body. In the second method, the semiconductor body () is provided with a layer () of bonding agent to which the luminescent material () is applied directly.

Methods for producing a light emitting semiconductor body with a luminescence converter element

A radiation-emitting semiconductor component, comprising a semiconductor body which emits a primary light, a luminescent conversion element which emits fluorescent light, in which the luminescent conversion element comprises a suspension of a luminous substance in a matrix material, wherein the luminescent conversion element is in direct contact with a part of the surface of said semiconductor body, and wherein the fluorescent light emitted from said luminescent conversion element is approximately half the total emission of the light of the radiation-emitting semiconductor component.

Radiation emitting semiconductor component with luminescent conversion element

Wavelength-converting casting composition and white light-emitting semiconductor component

The invention proposes an arrangement of luminescent materials for excitation by means of a radiation source and involving the use of a luminescent material having a Ce-activated garnet structure ABO, in which the first component A contains at least one element from the group consisting of Y, Lu, Sc, La, Gd, Sm and Tb and the second component B represents at least one of the elements Al, Ga and In, and a plurality of the luminescent materials are mixed together.

Arrangement of luminescent materials, wavelength-converting casting compound and light source

The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a body that emits ultraviolet, blue or green light. An inorganic luminous substance pigment powder with luminous substance pigments is dispersed in the transparent epoxy casting resin. The luminous substance is a phosphorous group of the general formula ABX:M, and the luminous substance pigments have particle sizes &#x2266;20 &#x3bc;m and a mean grain diameter d&#x2266;5 &#x3bc;m.

Method of producing a wavelength-converting casting composition

The invention proposes an arrangement of luminescent materials for excitation by means of a radiation source and involving the use of a luminescent material having a Ce-activated garnet structure ABO, in which the first component A contains at least one element from the group consisting of Y, Lu, Se, La, Gd, Sm and Tb and the second component B represents at least one of the elements Al, Ga and In, and a plurality of the luminescent materials are mixed together. An associated wavelength-converting casting compound and an associated light-source arrangement are further proposed.

Luminescent array, wavelength-converting sealing material and light source

A phosphor for light sources, the emission from which lies in the short-wave optical spectral region, as a garnet structure ABO. It is activated with Ce, the second component B representing at least one of the elements Al and Ga, and the first component A is terbium or terbium together with at least one of the elements Y, Gd, La and/or Lu. In a preferred embodiment, a phosphor having a garnet of structure (TbRECE)(Al,Ga)O, where 

Phosphor for light sources and associated light source

The invention describes a radiation-emmitting semiconductor component with luminescence conversion element (), in the case of which the semiconductor body () is arranged in a recess in the basic body (). Within the recess, there is shaped around the semiconductor body a bowl-like region which contains the luminescence conversion element () and envelopes the semiconductor body (). The bowl-like region is formed as a depression within the recess or as an annular enclosure () on the base of the recess.

A phosphor for light sources, the emission from which lies in the short-wave optical spectral region, as a garnet structure ABO. It is activated with Ce, the second component B representing at least one of the elements Al and Ga, and the first component A is terbium or terbium together with at least one of the elements Y, Gd, La and/or Lu. In a preferred embodiment, a phosphor having a garnet of structure (TbRECe)(Al,Ga)O, where 

The invention describes a radiation-emitting semiconductor component with a luminescent conversion element, at which the semiconductor body is placed in a recess of the base body. A cup-like area is molded inside of the recess around the semiconductor body, which contains the luminescent conversion element and coats the semiconductor body. The cup-like portion is formed as indentation inside of the recess or as annular border on the base of the recess.

Luminous substance for a light source and light source associates therewith

The wavelength-converting casting composition is based on a transparent epoxy casting resin with a luminous substance admixed. The composition is used in an electroluminescent component having a body that emits ultraviolet, blue or green light. An inorganic luminous substance pigment powder with luminous substance pigments is dispersed in the transparent epoxy casting resin. The luminous substance is a powder of garnets, thiogallates, aluminates, or orthosilicates doped with rare earths, and preferably Ce-doped phosphors. The luminous substance pigments have particle sizes &lE;20 &mgr;m and a mean grain diameter d &lE;5 &mgr;M.

Growing community of inventors

Nürnberg, Germany

Alexandra Debray