Patents by Inventor Alexander Linkov
Alexander Linkov 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: 10047915Abstract: An optical element is provided for beam shaping for radiation emitted by a radiation-emitting semiconductor chip. The optical element includes a radiation entrance face and a boundary surface different from the radiation entrance face with a first region and a second region. The first and second regions are arranged and embodied such that a first radiation portion of radiation entering the optical element through the radiation entrance face is reflected in the first region and after reflection in the first region is deflected in the second region towards a plane defined by the radiation entrance face.Type: GrantFiled: September 26, 2013Date of Patent: August 14, 2018Assignee: OSRAM GmbHInventors: Ales Markytan, Christian Gärtner, Horst Varga, Jan Marfeld, Janick Ihringer, Manfred Scheubeck, Roland Schulz, Alexander Linkov
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Patent number: 10050022Abstract: An optoelectronic component for mixing electromagnetic radiation having different wavelengths, for example, for the far field is disclosed. In an embodiment the optoelectronic component includes a carrier, at least one first semiconductor chip arranged on the carrier and having a first radiation exit surface for emitting electromagnetic radiation in a first spectral range and at least one second semiconductor chip arranged on the carrier and having a second radiation exit surface for emitting electromagnetic radiation in a second spectral range, wherein a diffusing layer is arranged on the first and second radiation exit surfaces of the semiconductor chips that face away from the carrier and wherein a reflecting layer is arranged between the first semiconductor chip and the second semiconductor chip, the first and second radiation exit surfaces being free from the reflecting layer at least in regions.Type: GrantFiled: November 3, 2016Date of Patent: August 14, 2018Assignee: OSRAM Opto Semiconductors GmbHInventors: Ralph Wirth, Alexander Linkov
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Publication number: 20180182926Abstract: A component includes a carrier and a semiconductor body arranged on the carrier, wherein the semiconductor body has an active layer arranged between the first and second semiconductor layers and is configured to generate, during operation of the component, an electromagnetic radiation that can be coupled out from the component through a first main surface, the first main surface of the component has an electrical contact layer configured to electrically contact a first semiconductor layer and in a plan view the carrier covers the first main surface in places, and in direct vicinity of the electrical contact layer the component includes a shielding structure configured to prevent electromagnetic radiation generated by the active layer from impinging onto the contact layer.Type: ApplicationFiled: July 12, 2016Publication date: June 28, 2018Inventors: Markus Maute, Lutz Höppel, Jürgen Moosburger, Thomas Schwarz, Matthias Sabathil, Ralph Wirth, Alexander Linkov, Johannes Baur
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Publication number: 20180175237Abstract: A component includes a light emitting semiconductor chip, wherein the semiconductor chip includes a layer arrangement including a plurality of layers, the p-conducting layer and the n-conducting layer adjoin one another in an active zone, a first electrical contact is configured on the p-conducting side of the layer arrangement at a first side of the semiconductor chip, a second electrical contact is configured on the n-conducting side of the layer arrangement at a second side of the semiconductor chip, the second side being situated opposite the first side of the semiconductor chip, the first side of the semiconductor chip transitions into the second side via an end side, the semiconductor chip is secured by the end side on a substrate, the substrate includes a first and second further electrical contact, and the further electrical contacts electrically conductively connect to the electrical contacts of the semiconductor chip.Type: ApplicationFiled: November 22, 2017Publication date: June 21, 2018Inventors: Alexander Linkov, Frank Singer, Matthias Bruckschloegl, Siegfried Herrmann, Jürgen Moosburger, Thomas Schwarz
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Publication number: 20180145211Abstract: An optoelectronic arrangement that produces a light pattern includes a light-emitting diode chip configured to emit electromagnetic radiation on its upper side and forming a first two-dimensional pattern on the upper side of the light-emitting diode chip, and an optically imaging element configured to project electromagnetic radiation emitted by the light-emitting diode chip into an environment of the optoelectronic arrangement.Type: ApplicationFiled: May 27, 2016Publication date: May 24, 2018Inventors: Hubert Halbritter, Markus Arzberger, Alexander Linkov
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Patent number: 9978734Abstract: A light-emitting arrangement includes a radiation-emitting semiconductor chip that, during operation, emits primary radiation at least from a main emission surface, a first conversion element that absorbs part of the primary radiation and emits secondary radiation, and a deflection element that causes a direction change for part of the primary radiation, wherein the first conversion element is arranged in a lateral direction next to the radiation-emitting semiconductor chip, the deflection element guides part of the primary radiation onto the first conversion element, and the light-emitting arrangement, in operation, emits mixed light including the primary radiation and the secondary radiation.Type: GrantFiled: January 26, 2015Date of Patent: May 22, 2018Assignee: OSRAM Opto Semiconductors GmbHInventors: Matthias Sabathil, Alexander Linkov, Britta Göötz, Georg Dirscherl
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Publication number: 20180097156Abstract: An optoelectronic lighting device and a method for manufacturing an optoelectronic lighting device are disclosed. In an embodiment the device includes a carrier and a light-emitting diode arranged on the carrier having a light-emitting surface. The device further includes a microlens structure including a plurality of microlenses, wherein the microlens structure is arranged on the light-emitting surface of the diode and a conversion layer arranged on the microlens structure, wherein the light-emitting surface is configured to emit light, wherein the microlens structure images, at least in part, the light, and wherein the conversion layer converts the light.Type: ApplicationFiled: March 18, 2016Publication date: April 5, 2018Applicant: OSRAM Opto Semiconductors GmbHInventors: Christian Leirer, Alexander Linkov, Matthias Sperl, Matthias Kiessling
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Publication number: 20180040781Abstract: An optoelectronic semiconductor component comprising a connection carrier with a mounting face and an electrically insulating base member. An optoelectronic semiconductor chip is arranged on the mounting face of the connection carrier. A radiation-transmissive body having four side faces is provided. The radiation-transmissive body surrounds the semiconductor chip in such a way that the radiation-transmissive body envelops outer faces of the optoelectronic semiconductor chip not facing the connection carrier in form-fitting manner. The radiation-transmissive body comprises at least one side face which extends at least in places at an angle of between 60° and 70° to the mounting face. The base member has a thickness which amounts to at most 250 ?m.Type: ApplicationFiled: October 19, 2017Publication date: February 8, 2018Inventors: Michael BINDER, Alexander LINKOV, Thomas ZEILER, Peter BRICK
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Publication number: 20180006196Abstract: An optoelectronic semiconductor component and a method for producing the same are disclosed. In an embodiment the semiconductor component includes a semiconductor chip, which emits electromagnetic radiation of a first wavelength range from a radiation emission surface. The semiconductor component further includes a first conversion layer located on a lateral flank of the semiconductor chip, wherein the first conversion layer is suitable for converting electromagnetic radiation of the first wavelength range into electromagnetic radiation of a second wavelength range, and a second conversion layer located on the radiation emission surface of the semiconductor chip, wherein the second conversion layer is suitable for converting electromagnetic radiation of the first wavelength range into electromagnetic radiation of the second or of a third wavelength range. The first conversion layer is different from the second conversion layer.Type: ApplicationFiled: December 16, 2015Publication date: January 4, 2018Inventors: Alexander Linkov, Siegfried Herrmann
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Patent number: 9853186Abstract: The invention relates to a light-emitting semiconductor component, comprising—a first semiconductor body (1), which comprises an active zone (11) in which during the operation of the light-emitting semiconductor component electromagnetic radiation is generated, at least some of which leaves the first semiconductor body (1) through a radiation exit surface (1a), and—a second semiconductor body (2), which is suitable for converting the electromagnetic radiation into converted electromagnetic radiation having a longer wavelength, wherein—the first semiconductor body (1) and the second semiconductor body (2) are produced separately from each other,—the second semiconductor body (2) is electrically inactive, and—the second semiconductor body (2) is in direct contact with the radiation exit surface (1a) and is attached there to the first semiconductor body (1) without connecting means.Type: GrantFiled: May 2, 2016Date of Patent: December 26, 2017Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Matthias Sabathil, Andreas Plöβl, Hans-Jürgen Lugauer, Alexander Linkov, Patrick Rode
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Patent number: 9837591Abstract: A radiation-emitting semiconductor device includes at least one semiconductor chip having a semiconductor layer sequence having an active region that produces radiation; a mounting surface on which at least one electrical contact for external contacting of the semiconductor chip is formed, wherein the mounting surface runs parallel to a main extension plane of the semiconductor layer sequence; a radiation exit surface running at an angle to or perpendicularly to the mounting surface; a radiation-guiding layer arranged in a beam path between the semiconductor chip and the radiation exit surface; and a reflector body adjacent to the radiation-guiding layer in regions and in a top view of the semiconductor device covers the semiconductor chip.Type: GrantFiled: May 5, 2014Date of Patent: December 5, 2017Assignee: OSRAM Opto Semiconductors GmbHInventors: Thomas Schwarz, Frank Singer, Alexander Linkov, Stefan Illek, Wolfgang Mönch
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Patent number: 9831394Abstract: An optoelectronic semiconductor component is provided, having a connection carrier (2), an optoelectronic semiconductor chip (1), which is arranged on a mounting face (22) of the connection carrier (2), and a radiation-transmissive body (3), which surrounds the semiconductor chip (1), wherein the radiation-transmissive body (3) contains a silicone, the radiation-transmissive body (3) has at least one side face (31) which extends at least in places at an angle ? of <90° to the mounting face (22) and the side face (3) is produced by a singulation process.Type: GrantFiled: July 7, 2015Date of Patent: November 28, 2017Assignee: OSRAM Opto Semiconductors GmbHInventors: Michael Binder, Alexander Linkov, Thomas Zeiler, Peter Brick
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Patent number: 9683888Abstract: The invention relates to a method for measuring a light radiation (300) emitted by a light-emitting diode (210). In the method, an end (121) of an optical fiber (120) which is connected to a measuring device (130) is irradiated with the light radiation (300), which is emitted by the light-emitting diode (210), through an optical device (140), so that a portion of the light radiation (300) is coupled into the optical fiber (120) and is guided to the measuring device (130). The optical device (140) causes the light radiation (300) passing through the optical device (140) to be emitted in diffuse form in the direction of the end (121) of the optical fiber (120). The invention also relates to an apparatus (100) for measuring a light radiation (300) emitted by a light-emitting diode (210).Type: GrantFiled: August 22, 2013Date of Patent: June 20, 2017Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Simeon Katz, Holger Specht, Alexander Linkov, Christopher Koelper
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Publication number: 20170077071Abstract: An optoelectronic component for mixing electromagnetic radiation having different wavelengths, for example, for the far field is disclosed. In an embodiment the optoelectronic component includes a carrier, at least one first semiconductor chip arranged on the carrier and having a first radiation exit surface for emitting electromagnetic radiation in a first spectral range and at least one second semiconductor chip arranged on the carrier and having a second radiation exit surface for emitting electromagnetic radiation in a second spectral range, wherein a diffusing layer is arranged on the first and second radiation exit surfaces of the semiconductor chips that face away from the carrier and wherein a reflecting layer is arranged between the first semiconductor chip and the second semiconductor chip, the first and second radiation exit surfaces being free from the reflecting layer at least in regions.Type: ApplicationFiled: November 3, 2016Publication date: March 16, 2017Inventors: Ralph Wirth, Alexander Linkov
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Publication number: 20160370513Abstract: The invention relates to an optoelectronic device (101), comprising: a semiconductor layer sequence (103) comprising an emitter layer (105) for emitting electromagnetic radiation, a converter (113) for converting electromagnetic radiation with a first wavelength into an electromagnetic radiation with a second wavelength which differs from the first wavelength, a scattering body (109) for scattering at least a part of the electromagnetic radiation emitted by the emitter layer (105) in the direction of the converter (113) in order to convert at least a part of the emitted electromagnetic radiation, wherein the scattering body (109) comprises a positive, temperature-dependent scattering cross-section and so, as the temperature increases, scattering of the electromagnetic radiation in the scattering body (109) in the direction of the converter can be increased. The invention also relates to a scattering body (109).Type: ApplicationFiled: September 1, 2016Publication date: December 22, 2016Inventors: Alexander LINKOV, Matthias SABATHIL
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Patent number: 9520442Abstract: An optoelectronic component can be used for mixing electromagnetic radiation having different wavelengths, in particular in the far field. The optoelectronic component includes a carrier. A first semiconductor chip has a first radiation exit surface for emitting electromagnetic radiation in a first spectral range is provided on the carrier and a second semiconductor chip as a second radiation exit surface for emitting electromagnetic radiation in a second spectral range is provided on the carrier. A diffusing layer is provided on the radiation exit surfaces of the semiconductor chips which face away from the carrier.Type: GrantFiled: December 18, 2014Date of Patent: December 13, 2016Assignee: OSRAM Opto Semiconductors GmbHInventors: Ralph Wirth, Alexander Linkov
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Publication number: 20160351550Abstract: A light-emitting arrangement includes a radiation-emitting semiconductor chip that, during operation, emits primary radiation at least from a main emission surface, a first conversion element that absorbs part of the primary radiation and emits secondary radiation, and a deflection element that causes a direction change for part of the primary radiation, wherein the first conversion element is arranged in a lateral direction next to the radiation-emitting semiconductor chip, the deflection element guides part of the primary radiation onto the first conversion element, and the light-emitting arrangement, in operation, emits mixed light including the primary radiation and the secondary radiation.Type: ApplicationFiled: January 26, 2015Publication date: December 1, 2016Inventors: Matthias Sabathil, Alexander Linkov, Britta Göötz, Georg Dirscherl
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Patent number: 9459383Abstract: The invention relates to an optoelectronic device (101), comprising: a semiconductor layer sequence (103) comprising an emitter layer (105) for emitting electromagnetic radiation, a converter (113) for converting electromagnetic radiation with a first wavelength into an electromagnetic radiation with a second wavelength which differs from the first wavelength, a scattering body (109) for scattering at least a part of the electromagnetic radiation emitted by the emitter layer (105) in the direction of the converter (113) in order to convert at least a part of the emitted electromagnetic radiation, wherein the scattering body (109) comprises a positive, temperature-dependent scattering cross-section and so, as the temperature increases, scattering of the electromagnetic radiation in the scattering body (109) in the direction of the converter can be increased. The invention also relates to a scattering body (109).Type: GrantFiled: September 13, 2013Date of Patent: October 4, 2016Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Alexander Linkov, Matthias Sabathil
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Patent number: 9461218Abstract: In at least one embodiment, a surface light source includes one or a more optoelectronic semiconductor chips having a radiation main side for generating a primary radiation. A scattering body is disposed downstream of the radiation main side along a main emission direction of the semiconductor chips. The scatting body is designed for scattering the primary radiation. A main emission direction of the scattering body is oriented obliquely with respect to the main emission direction of the semiconductor chip.Type: GrantFiled: February 20, 2013Date of Patent: October 4, 2016Assignee: OSRAM Opto Semiconductors GmbHInventors: Stefan Illek, Matthias Sabathil, Alexander Linkov, Thomas Bleicher, Norwin von Malm, Wolfgang Mönch
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Publication number: 20160276556Abstract: An optoelectronic component includes an optoelectronic semiconductor chip having a radiation-emitting face; and an optical element arranged over the radiation-emitting face, wherein the optical element includes a material in which light-scattering particles are embedded, and a concentration of the embedded light-scattering particles has a gradient forming an angle not equal to 90° with the radiation emission face.Type: ApplicationFiled: November 4, 2014Publication date: September 22, 2016Inventors: Thomas Schwarz, Frank Singer, Alexander Linkov, Stefan Illek, Wolfgang Moench