Osram Oled Gmbh

Osram Opto Semiconductors Gmbh

Roland Enzmann

Hubert Halbritter

Markus Horn

Christoph Walter

Markus Arzberger

Markus Graul

Jan Seidenfaden

Frank Singer

Matthias Sabathil

Martin Rudolf Behringer

Andreas Ploessl

Roland Schulz

Karsten Auen

Bernd Boehm

Georg Rossbach

Tomasz Swietlik

Stephan Haneder

Jan Marfeld

Adrian Stefan Avramescu

Lorenzo Zini

Harald König

Andreas Wojcik

Soenke Tautz

Mathias Kämpf

Markus Bröll

Thomas Veit

Georg Roßbach

Stefan Barthel

Juergen Dachs

Jürgen Dachs

Vanessa Eichinger

Andreas Rozynski

Stefan Listl

Hubert Schmid

Thomas Hager

Robin Fehse

An optoelectronic component includes an optoelectronic semiconductor chip configured to emit electromagnetic radiation; an optically effective element arranged such that electromagnetic radiation emitted by the optoelectronic semiconductor chip passes through the optically effective element; and a housing, wherein the optoelectronic semiconductor chip is arranged in a cavity of the housing, the optically effective element includes a carrier, a first optically effective structure arranged on a top side of the carrier, and a cover arranged above the first optically effective structure.

Optically effective element, method of producing an optically effective element, and optoelectronic component

A radiation source for emitting terahertz radiation () is specified, comprising at least two laser light sources emitting laser radiation () of different frequencies, and a photomixer () comprising a photoconductive semiconductor material () and an antenna structure (), the photomixer () being configured to emit the laser radiation () of the laser light sources () and emitting terahertz radiation () with at least one beat frequency of the laser light sources, and wherein the at least two laser light sources are surface-emitting semiconductor lasers () which are arranged in a one-dimensional or two-dimensional array on a common carrier ().

Radiation source for emitting terahertz radiation

An optoelectronic semiconductor chip may include a semiconductor body, a first and second contact element, a chip carrier, an electrically conductive contact layer, an electrically conductive supply layer, an insulating layer between the contact layer and the supply layer, and at least one electrically conductive feed-through element embedded in the insulating layer. The feed-through element(s) may electrically connect the supply layer to the contact layer. A quantity and/or size of the feed-through elements may be greater on a second side of the semiconductor body opposite to the first side than on the first side.

Optoelectronic semiconductor chip

In an embodiment a light-emitting component includes a housing and an edge emitting semiconductor laser arranged in the housing, wherein the semiconductor laser is configured to emit light at a side face in an angle range, wherein the housing includes an emission opening for emitting the light, wherein the semiconductor laser is arranged in a first layer having a first material, wherein a second layer is arranged on the first layer, the second layer having a second material, wherein the first layer and the second layer are transmissive to the light, wherein the second layer is arranged between the first layer and the emission opening, wherein the emission opening lies at least partly outside the angle range of the semiconductor laser, and wherein a part of the light is directed directly onto an interface between the first and second layers.

Light-emitting component

A method of producing laser bars or semiconductor lasers includes providing a carrier composite to form a plurality of carriers for the laser bars or for the semiconductor lasers, providing a semiconductor body composite including a common substrate and a common semiconductor layer sequence grown thereon, forming a plurality of separation trenches through the common semiconductor layer sequence such that the semiconductor body composite is divided into a plurality of semiconductor bodies, applying the semiconductor body composite to the carrier composite such that the separation trenches face the carrier composite, thinning or removing the common substrate, and singulating the carrier composite into a plurality of carriers, wherein a plurality of semiconductor bodies are arranged on one of the carriers, and the semiconductor bodies arranged on one common carrier are laterally spaced apart from one another by the separation trenches.

Laser bar and semiconductor laser and method of producing laser bars and semiconductor lasers

A method of transmitting optical data includes providing a plurality of light sources in a transmission system, transmitting a data signal with data to be transmitted to the transmission system, decomposing the data signal in the transmission system into N different sub-signals, wherein N is a natural number with N&#x2265;2, and controlling the light sources based on the sub-signals such that each of the light sources emits light according to one of the sub-signals and the light emitted overall by the light sources transmits the data.

Method of transmitting data and transmission system

A diffractive optical element includes a carrier and a plurality of nano- or micro-scale rods arranged above a top side of the carrier, wherein the rods are arranged parallel to one another in a regular grid arrangement. A method of producing a diffractive optical element includes providing a carrier and epitaxially growing a plurality of mutually parallel nano- or micro-scale rods in a regular gird arrangement above a top side of the carrier.

Diffractive optical element, method of producing a diffractive optical element and laser component

An optically effective element includes a carrier, a first optically effective structure arranged on a top side of the carrier, and a cover arranged above the first optically effective structure. A method of producing an optically effective element includes providing a carrier, forming a first optically effective structure on a top side of the carrier, and arranging a cover above the top side of the carrier and the first optically effective structure.

A carrier for an optoelectronic component includes a main body, wherein the main body includes a first electrically conductive heating layer arrangement, a first solder layer for soldering an optoelectronic component to the main body is arranged on a first side of the main body, the first electrically conductive heating layer arrangement is electrically insulated from the first solder layer and thermally connected to the first solder layer, and the first heating layer arrangement has an exposed portion on which molten solder of the first solder layer can flow to reduce an electrical resistance of the first heating layer arrangement.

Carrier for an optoelectronic component, method of producing a carrier for an optoelectronic component, wafer and soldering method

An arrangement includes a conversion element, an optoelectronic semiconductor component and a first carrier including a carrier plane, wherein the conversion element is arranged on the carrier plane, the optoelectronic semiconductor component emits a first electromagnetic radiation including a first beam direction and a first wavelength from a first spectral range during operation, the first electromagnetic radiation is directed onto the conversion element, the conversion element at least partly converts the first electromagnetic radiation into a second electromagnetic radiation including a second wavelength from a second spectral range, the first beam direction of the optoelectronic semiconductor component is oriented at an inclination with respect to the carrier plane, a housing including a housing cap is provided, the housing cap is configured in a hollow-body-like fashion, the housing cap and the carrier define an interior, the conversion element and the semi-conductor component are arranged in the interior, and the housing cap includes a coupling-out window that couples out the second electromagnetic radiation.

Optoelectronic arrangement

A method of producing an optoelectronic component includes providing a carrier including a top side; creating at the top side of the carrier a region that is recessed with respect to a mounting region of the top side to form a step between the mounting region and the recessed region; arranging at the top side of the carrier a metallization extending over the mounting region and the recessed region; creating a separating track in the metallization, wherein the metallization is completely severed at least in sections in the mounting region and is at least not completely severed in the recessed region; and arranging an optoelectronic semiconductor chip above the mounting region of the top side, wherein the optoelectronic semiconductor chip is aligned at the separating track.

Method of producing an optoelectronic component

A laser component includes a housing, a laser chip arranged in the housing, and a conversion element for radiation conversion arranged in the housing wherein the conversion element is irradiatable with laser radiation of the laser chip. A method of producing such a laser component includes providing component parts of the laser component including a laser chip, a conversion element for radiation conversion and housing parts, and assembling the component parts of the laser component such that a housing is provided within which the laser chip and the conversion element are arranged, wherein the conversion element is irradiatable with laser radiation of the laser chip.

Laser component

A semiconductor laser, a laser assembly and a method of making a semiconductor laser are disclosed. In an embodiment the surface-emitting semiconductor laser includes a carrier having a carrier main side mechanically carrying a semiconductor laser; a first Bragg mirror and a second Bragg mirror so that the second Bragg mirror is further away from the carrier than the first Bragg mirror; a semiconductor layer sequence between the first and the second Bragg mirrors having at least one active zone for generating laser radiation; a metal mirror arranged directly on a side of the first Bragg mirror facing the carrier for reflecting laser radiation generated during operation of the semiconductor laser; a bonding agent layer located between the carrier and the semiconductor layer sequence; a resonator oriented perpendicular to the carrier main side; and an electrically insulating passivation layer located in the metal mirror.

Semiconductor laser, laser assembly and method of making a semiconductor laser

In a method for producing a laser diode, a number of laser diodes are produced on a wafer. The wafer is broken down into wafer pieces, each wafer piece having a plurality of laser diodes being arranged side by side. One wafer piece is inserted into a first mount that includes a first covering element overlapping a front face of the wafer piece and shadowing a bottom area of the front face of the wafer piece. A minor layer is deposited on an unshadowed upper area of the wafer piece's front face. The wafer piece is inserted into a second mount, which includes a second covering element that shadows the minor layer of the upper area of the front face. An electrically conductive contact layer is deposited on an unshadowed bottom area of the wafer piece's front face. The wafer piece is subsequently broken down into individual laser diodes.

Method for producing a laser diode, mount and laser diode

Method for producing semiconductor laser elements () comprises A) providing a carrier composite () having a plurality of carriers () for the semiconductor laser elements (), B) providing a laser bar () having a plurality of semiconductor laser diodes () which comprise a common growth substrate () and a semiconductor layer sequence () grown thereon, C) generating predetermined breaking points () on a substrate underside () of the growth substrate (), said substrate underside facing away from the semiconductor layer sequence (), D) attaching the laser bar () to a carrier upper side () of the carrier composite (), wherein the attachment is performed at an elevated temperature and is followed by cooling, and E) singulating into the semiconductor laser elements (), wherein steps B) to E) are performed in the indicated sequence.

Growing community of inventors

Wuppertal, Germany

Roland Enzmann