Patents by Inventor Henning Rehn
Henning Rehn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11041603Abstract: An illumination device and a method for producing an illumination device are disclosed.Type: GrantFiled: April 26, 2018Date of Patent: June 22, 2021Assignee: OSRAM OLED GMBHInventors: Peter Brick, Henning Rehn
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Publication number: 20200158310Abstract: An illumination device and a method for producing an illumination device are disclosed.Type: ApplicationFiled: April 26, 2018Publication date: May 21, 2020Inventors: Peter Brick, Henning Rehn
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Patent number: 10400995Abstract: An illumination apparatus for providing light and for illuminating an illumination plane with a rectangular light distribution is provided. The illumination apparatus includes at least one light source configured to generate light, a collimation optical unit configured to collimate the light, a condenser optical unit configured to shape a rectangular angular distribution of the light coming from the collimation optical unit, and a freeform optical unit having at least one freeform area for modifying the angular distribution such that a rectangular light distribution is produced in an illumination plane that is optically connected downstream.Type: GrantFiled: March 31, 2017Date of Patent: September 3, 2019Assignee: OSRAM GMBHInventor: Henning Rehn
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Patent number: 10352522Abstract: An illumination device for variable illumination in different spatial directions is provided. The illumination device includes a pump radiation unit, which has a pump radiation source for emitting pump radiation, a luminescent element for at least partial conversion of the pump radiation into illumination light, which is emitted in response to excitation with the pump radiation on an illumination light emission surface of the luminescent element, and optics which are assigned to the luminescent element and respectively direct illumination light ray bundles, which come from different positions of the illumination light emission surface and strike the optics on a luminescent material side, into a different spatial direction of the propagation on an illumination side opposite to the luminescent material side, The pump radiation unit is configured to respectively emit a pump ray bundle adjustably in different spatial directions, which pump ray bundles are coupled in on the illumination side.Type: GrantFiled: August 26, 2015Date of Patent: July 16, 2019Assignee: OSRAM GMBHInventors: Henning Rehn, Sergey Khrushchev
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Patent number: 10132471Abstract: A lighting device includes a light source, a reflector having an ellipsoidal reflection surface, an aspherical lens, and an exit pupil. The source is arranged at a first focal point of the reflection surface and a part of the emitted light is reflected from the reflection surface in the direction of a second focal point. The pupil is arranged offset with respect to the second focal point. The lens is arranged between the reflection surface and the pupil in a beam path with the reflected light and is shaped such that a first part of the reflected light passes through the lens with an aperture angle altered by not more than 5° in a central region and passes through the pupil and a second part of the reflected light penetrates through the lens in an outer region and is deflected by the lens and is consequently guided through the pupil.Type: GrantFiled: January 26, 2016Date of Patent: November 20, 2018Assignee: OSRAM GmbHInventor: Henning Rehn
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Publication number: 20170284622Abstract: An illumination device for variable illumination in different spatial directions is provided. The illumination device includes a pump radiation unit, which has a pump radiation source for emitting pump radiation, a luminescent element for at least partial conversion of the pump radiation into illumination light, which is emitted in response to excitation with the pump radiation on an illumination light emission surface of the luminescent element, and optics which are assigned to the luminescent element and respectively direct illumination light ray bundles, which come from different positions of the illumination light emission surface and strike the optics on a luminescent material side, into a different spatial direction of the propagation on an illumination side opposite to the luminescent material side, The pump radiation unit is configured to respectively emit a pump ray bundle adjustably in different spatial directions, which pump ray bundles are coupled in on the illumination side.Type: ApplicationFiled: August 26, 2015Publication date: October 5, 2017Inventors: Henning Rehn, Sergey Khrushchev
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Publication number: 20170284637Abstract: An illumination apparatus for providing light and for illuminating an illumination plane with a rectangular light distribution is provided. The illumination apparatus includes at least one light source configured to generate light, a collimation optical unit configured to collimate the light, a condenser optical unit configured to shape a rectangular angular distribution of the light coming from the collimation optical unit, and a freeform optical unit having at least one freeform area for modifying the angular distribution such that a rectangular light distribution is produced in an illumination plane that is optically connected downstream.Type: ApplicationFiled: March 31, 2017Publication date: October 5, 2017Inventor: Henning Rehn
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Patent number: 9494850Abstract: A projection system for illuminating a projection surface may include at least one light source formed from a plurality of light-emitting elements and an optical integrator having an entrance opening and an exit opening, into the entrance opening of which the light of each light-emitting element is coupled such that the mixed light of all the light-emitting elements emerges from its exit opening, and an imaging optical unit, which projects the light emerging from the exit opening of each integrator onto the projection surface, wherein an optical element is in each case arranged between the exit opening of each integrator and the imaging optical unit, said optical element shifting the virtual image of the entrance opening along an optical axis of the projection system such that its image generated by the imaging optical unit is not visible on the projection surface.Type: GrantFiled: November 21, 2012Date of Patent: November 15, 2016Assignee: OSRAM GMBHInventors: Clemens Wesseling, Henning Rehn
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Publication number: 20160215959Abstract: A lighting device includes a light source, a reflector having an ellipsoidal reflection surface, an aspherical lens, and an exit pupil. The source is arranged at a first focal point of the reflection surface and a part of the emitted light is reflected from the reflection surface in the direction of a second focal point. The pupil is arranged offset with respect to the second focal point. The lens is arranged between the reflection surface and the pupil in a beam path with the reflected light and is shaped such that a first part of the reflected light passes through the lens with an aperture angle altered by not more than 5° in a central region and passes through the pupil and a second part of the reflected light penetrates through the lens in an outer region and is deflected by the lens and is consequently guided through the pupil.Type: ApplicationFiled: January 26, 2016Publication date: July 28, 2016Inventor: Henning Rehn
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Patent number: 9366413Abstract: In various embodiments, a lighting device is provided. The lighting device may include: a pump light source; a phosphor arrangement; and a light control element arranged between the pump light source and the phosphor arrangement; wherein the light control element is configured to split the pump light beam into a reflected part and a transmitted part and for controlling the ratio between reflected part and transmitted part; and wherein the phosphor arrangement includes at least one phosphor which can be irradiated with the reflected part and/or transmitted part of the pump light of the pump light source and emits said pump light again at least partly in a wavelength-converted fashion.Type: GrantFiled: October 16, 2013Date of Patent: June 14, 2016Assignee: OSRAM GmbHInventor: Henning Rehn
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Patent number: 9341343Abstract: A phosphor device (1) comprising a carrier member (2) having upper and lower faces; a phosphor layer (3) being arranged at the upper face of the carrier member (2), whereby the phosphor layer (3) comprises at least one phosphor zone (R; G; Y); a reflective zone (33) being arranged adjacent to the at least one phosphor zone (R; G; Y); an optical transmitting member (4) having a first end face (7) and a second end face (9), the optical transmitting member (4) being arranged at the top portion of the phosphor layer (3) and the reflective zone (33), whereby wherein the first end face (7) of the optical transmitting member (4) covers at least a subarea (8) of each of the at least one phosphor zone (R; G; Y) and the reflective zone (33).Type: GrantFiled: August 24, 2010Date of Patent: May 17, 2016Assignee: OSRAM GmbHInventors: Mathias Bruemmer, Ulrich Hartwig, Nico Morgenbrod, Matthias Morkel, Henning Rehn
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Patent number: 9285526Abstract: A light guiding structure comprising a light guiding element (2) optically connected to a light source (6) and an optical element (10) coupled thereto, wherein the surface of the optical element (10) remote from the light guiding element (2) has the shape of a section (11) of a rotational ellipsoid, wherein a geometric cutting plane of the section (11) extends approximately at right angles to the longitudinal axis of the rotational ellipsoid.Type: GrantFiled: October 6, 2010Date of Patent: March 15, 2016Assignee: OSRAM GmbHInventors: Ulrich Hartwig, Matthias Morkel, Henning Rehn
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Patent number: 9249951Abstract: A lens (12; 32; 42; 52) comprising a transparent main body (13; 43; 53), wherein a surface (14, 15; 14, 45; 54, 55) of the main body (13; 43; 53) is at least partly covered with an internally reflecting reflection layer (17), the lens (12; 32; 42; 52) has at least one first focal point (F1) and at least one second focal point (F2), at least the first focal point (F1) lies at least partly on a non-covered surface region of the main body (15; 45; 55), and at least one phosphor element (18) bears against the main body (13; 43; 53) at a contact region (19) having at least one first focal point (F1).Type: GrantFiled: April 29, 2013Date of Patent: February 2, 2016Assignee: OSRAM GmbHInventors: Stefan Hadrath, Ulrich Hartwig, Henning Rehn
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Patent number: 9188311Abstract: A phosphor device (1) comprising a carrier member (2) having upper and lower faces; a phosphor layer (3) being arranged at the upper face of the carrier member (2), wherein the phosphor layer (3) comprises at least two tiled phosphor zones (R, G, B); an optical transmitting member (4) having a first end face (7) and a second end face (9), the optical transmitting member (4) being arranged at the top portion of the phosphor layer (3), whereby the first end face (7) of the optical transmitting member (4) covers at least a subarea (8) of each of the at least two phosphor zones (R, G, B).Type: GrantFiled: August 24, 2010Date of Patent: November 17, 2015Assignee: OSRAM GmbHInventors: Mathias Bruemmer, Ulrich Hartwig, Nico Morgenbrod, Matthias Morkel, Henning Rehn
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Patent number: 9140966Abstract: A projection device (1; 24), comprising a base (2), a support (3) and a projection head (4; 27), the support (3) being rotatable relative to the base (2) and relative to the projection head (4; 27) wherein a light guide system (10-18) is accommodated in the support, (3) and at least one wavelength-converting luminophore (22) for converting at least part of a light beam (L) generated by the at least one light source (5) is accommodated in the projection head (4; 27).Type: GrantFiled: August 1, 2011Date of Patent: September 22, 2015Assignee: OSRAM GmbHInventors: Nico Morgenbrod, Henning Rehn
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Patent number: 9121578Abstract: A light source unit comprising: a pump light source (1) for an emission of pump light (2), a phosphor element (3) for a conversion of said pump light (2) into converted light (4), an optical system (6) for transmitting at least a part of said converted light (4) for further use, wherein at least a part of said pump light (2) is coupled into said optical system (6) and transmitted by said optical system (6) to said phosphor element (3) for said conversion.Type: GrantFiled: June 24, 2010Date of Patent: September 1, 2015Assignee: OSRAM GmbHInventors: Nico Morgenbrod, Matthias Morkel, Henning Rehn
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Patent number: 9115862Abstract: The invention concerns a light source unit of tunable spectral properties, having a pump light source and a phosphor element for a conversion of pump light into converted light intended for illuminating a target, wherein the phosphor element has at least two phosphor element sections interacting differently with pump light, and wherein the light source unit further comprises a deflecting unit, such as a zoom lens or a variable diffraction grating, for deflecting the pump light so as to vary a distribution of pump light incident onto the phosphor element with respect to the different phosphor element sections, in order to vary spectral properties of the combined converted light beam emanating from the light source unit.Type: GrantFiled: August 24, 2010Date of Patent: August 25, 2015Assignee: OSRAM GmbHInventors: Nico Morgenbrod, Henning Rehn
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Patent number: 9039198Abstract: In a method for projecting an image onto a projection area (10) by at least one first (110) and second (210) 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.Type: GrantFiled: November 8, 2007Date of Patent: May 26, 2015Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Jan Oliver Drumm, Henning Rehn, Bakuri Lanchava, Wolfgang Pabst, Robert Kraus
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Publication number: 20150124428Abstract: A lens (12; 32; 42; 52) comprising a transparent main body (13; 43; 53), wherein a surface (14, 15; 14, 45; 54, 55) of the main body (13; 43; 53) is at least partly covered with an internally reflecting reflection layer (17), the lens (12; 32; 42; 52) has at least one first focal point (F1) and at least one second focal point (F2), at least the first focal point (F1) lies at least partly on a non-covered surface region of the main body (15; 45; 55), and at least one phosphor element (18) bears against the main body (13; 43; 53) at a contact region (19) having at least one first focal point (F1).Type: ApplicationFiled: April 29, 2013Publication date: May 7, 2015Applicant: OSRAM GMBHInventors: Stefan Hadrath, Ulrich Hartwig, Henning Rehn
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Publication number: 20150043191Abstract: A lighting apparatus includes a reflector which has a truncated cone shape along a central axis of the lighting apparatus and a base which is coupled to a narrow end face of the reflector and is capable of moving toward a wide end face of the reflector along the central axis of the lighting apparatus. The lighting apparatus further includes a light source which is mounted centrally on an end face of the base.Type: ApplicationFiled: July 17, 2014Publication date: February 12, 2015Inventors: Hong Deng, Henning Rehn