Osram Gmbh

Osram Gesellschaft MIT Beschraenkter Haftung

Osram Sylvania Inc.

Osram Ag

Osram Beteiligungsverwaltung Gmbh

Jan Oliver Drumm

Jens Richter

Alan Lenef

Robert Kraus

Henning Rehn

Joerg Sorg

Wolfgang Pabst

Michael Rosenauer

Andreas Breidenassel

Sergey Kudaev

Bakuri Lanchava

Christian Gammer

Peter Vogt

Benjamin Dollinger

Claus Seibert

Volker Gäbler

Frank Massmann

According to the present disclosure, a converter device is provided. The device includes a phosphor element for converting a pump radiation into a conversion radiation and an excitation coil for producing an alternating magnetic field in which the phosphor element is arranged. The phosphor element has a conductor loop forming a coupling coil that is inductively coupled to the excitation coil such that the coupling coil and hence the phosphor element can be monitored by way of the inductive coupling.

Converter device and irradiation device having such a converter device

A wavelength converter includes a converter layer for at least partly converting primary light of a first spectral composition into secondary light of a second spectral composition, an electrically insulating first insulation layer arranged below the converter layer, a mirror being arranged at the front side of said insulation layer facing the converter layer, at least one conductor track which is arranged at the first insulation layer and which extends laterally at a distance from the mirror, mutually spaced apart contacts extending through the first insulation layer, of which contacts in each case at least two contacts electrically connect a conductor track to a rear side of the first insulation layer, and mutually spaced apart electrically conductive solder connection volumes arranged below the first insulation layer, said solder connection volumes being electrically connected in each case to one of the contacts.

Conversion of primary light into secondary light by means of a wavelength converter

A reflective laser activated remote phosphor (LARP) package comprising: a phosphor platelet oriented in a first plane defined by an x-y plane; a laser diode (LD) positioned to be offset along the x-axis from the phosphor platelet and above the first plane along a z-axis perpendicular to the x-y plane, the LD comprising: an output facet configured for emitting a laser beam (LB), the LB comprising: a slow axis oriented in a first direction along which the LB diverges at a first angle; and a fast axis oriented in a second direction along which the LB diverges at a second angle greater than the first angle; wherein the LD is oriented such that: the LB is bisected by the phosphor platelet such that the slow axis of the LB lies in an x-z plane and the fast axis of the LB is perpendicular to an x-z plane.

Integrated planar reflective LARP package and method

A lighting apparatus including a light generating device and at least one light wavelength conversion element and also at least one light directing means is provided. The light generating device and the at least one light directing means are configured in such a way that linearly polarized light is generated and directed from different directions to the at least one light wavelength conversion element, such that the linearly polarized light impinges on a surface of the at least one light wavelength conversion element from different directions in each case at an angle of incidence which corresponds to a Brewster angle, wherein the polarization direction of the linearly polarized light is parallel to the plane of incidence thereof.

Lighting apparatus

A lighting apparatus includes a light source for emitting an illumination light, a micromirror array having a plurality of micromirror actuators, and an illumination optical unit and an optical sensor unit. The illumination light emitted by the light source is guided onto the micromirror actuators and reflected at the latter and, with the reflection integrated over time, an on beam is reflected to a lighting application by the micromirror actuators in a respective on tilt position via the illumination optical unit, and an off beam is reflected next to the illumination optical unit by the micromirror actuators in a respective off tilt position. Part of the illumination light contained in the off beam is guided, at least in part, onto the optical sensor unit.

Lighting apparatus having a light source for emitting illumination light

In various embodiments, a lighting device is provided. The lighting device includes a phosphor volume for at least partial wavelength conversion of primary light into secondary light, a primary light semiconductor light source for irradiating the phosphor volume with primary light, a measurement light generating arrangement for generating measurement light having a spectral composition outside the primary light and the secondary light, a measurement light detector sensitive to the measurement light, and a measurement light filter, which is fixedly connected to the phosphor volume and is optically arranged between the measurement light generating arrangement and the measurement light detector.

Lighting device

A method for producing a radiation arrangement includes providing a first substrate, arranging a first radiation source or generating first electromagnetic radiation thereon, arranging a first deflection element on the first substrate in a beam path of the first electromagnetic radiation such that the first electromagnetic radiation is deflected in a direction away from the first substrate, providing a second substrate, forming a first coupling-out region in the second substrate at a predefined position, determining an actual position of the first coupling-out region, detecting the deflected first electromagnetic radiation as a result of which a beam path of the deflected first electromagnetic radiation can be determined, aligning the first radiation source and the first deflection element on the first substrate depending on the determined actual position of the first coupling-out region.

Light emitter and method for manufacturing the same

A method for simultaneously projecting two images onto a projection surface may include generating a first and second illumination beam based on first and second image data, which are representative of a first and second image, wherein the first illumination beam has electromagnetic radiation having a first property, wherein the second illumination beam has electromagnetic radiation having a second property, which differs from the first property, and deflecting the first and second illumination beams toward the projection surface so that the first illumination and second beam generates a first and second beam spot on the projection surface, respectively, wherein the first and second beam spot is moved over the projection surface so that with the aid of the first and second beam spot, the first and second image are displayed for a first and second observer on the surface, respectively, and the second image is superimposed on the first image.

Method and projector for projecting an image onto a projection surface

A method for adjusting the color point of a lighting unit including semiconductor-based lasers for generating an RGB signal. The method may include supplying at least one component of the RGB signal to a sensor via a filter; and actuating at least one of the semiconductor-based lasers by means of a signal detected by the sensor.

Method and device for adjusting the color point of a lighting unit

In a method for projecting an image onto a projection area () by at least one first () and second () beam, in order to create an improved image on the projection area, the deviation of the projection of the first and second beam on the projection area is determined, and the intensity of the first and/or second beam is varied over time according to the previously determined deviations.

Projection apparatus having improved projection properties, and method and procedure, respectively, for projecting an image

A method for projecting at least one light beam may include lengthening at least in part a holding duration for at least one pixel with respect to at least one further pixel.

Method and device for projecting at least one light beam

In various embodiments, a method for projecting at least one light beam is provided. The method may include providing at least one light beam; and setting a time base of a processor configured to control the at least one light beam as a function of a deflection of the at least one light beam.

Image projection through grid scanning of a modulated light beam using mirrors

The projector with at least two light sources for emission of light beams and a projection unit for controllable deflection of the light beams onto a projection surface has a control device to control light output of the light sources and a deflection of the projection unit, and also at least one digital delay element and at least one analog delay element for combined time delay of at least one of the light beams and/or deflection of the projection unit.

Projector

The projector has an intensity-modulable light source to emit a light beam onto a projection surface, as well as an optical switch connected after the light source for intensity modulation of the light beam emitted by the light source, and a control unit to control intensity modulation of the light source and the optical switch.

Growing community of inventors

Wuppertal, Germany

Jan Oliver Drumm