Patents Assigned to OSRAM Opto Semiconductors GmbH
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Patent number: 10475961Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment an optoelectronic semiconductor chip includes a semiconductor layer sequence composed of AlInGaN comprising an n-conducting n-region, a p-conducting p-region and an intermediate active zone having at least one quantum well for generating a radiation, wherein the p-region comprises an electron barrier layer, a contact layer and an intermediate decomposition stop layer, the contact layer being directly adjacent to a contact metallization, wherein the decomposition stop layer comprises an aluminum content of at least 5% and at most 30% in places, wherein an intermediate region arranged between the electron barrier layer and the decomposition stop layer has a thickness between 2 nm and 15 nm inclusive, the intermediate region being free of aluminum, and wherein the aluminum content in the decomposition stop layer varies and increases on average in a direction towards the contact layer.Type: GrantFiled: July 18, 2017Date of Patent: November 12, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Werner Bergbauer, Joachim Hertkorn
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Patent number: 10475965Abstract: An optoelectronic semiconductor chip and a method for manufacturing an optoelectronic semiconductor chip are disclosed. In an embodiment the semiconductor chip includes a semiconductor body having a main surface and at least one side surface arranged transversely to the main surface, a contact layer arranged on the main surface of the semiconductor body and containing an electrically conductive material, a filter layer arranged on the contact layer and containing a dielectric material and a conductive layer arranged on the filter layer and containing an electrically conductive material, wherein a thickness of the conductive layer is greater than a thickness of the contact layer, wherein the contact layer and the conductive layer comprise a transparent electrically conductive oxide, and wherein the filter layer is multi-layered and comprises at least two sublayers which differ in their refractive index.Type: GrantFiled: January 23, 2017Date of Patent: November 12, 2019Assignee: OSRAM Opto Semiconductors GmbHInventor: Franz Eberhard
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Patent number: 10465284Abstract: A method for producing an apparatus, an apparatus and an optoelectronic component are disclosed. In an embodiment the method includes providing a carrier, depositing an amorphous ALD layer on the carrier using an ALD method and recrystallizing the amorphous ALD layer into a crystalline layer.Type: GrantFiled: September 29, 2016Date of Patent: November 5, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Andreas Rückerl
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Patent number: 10468555Abstract: A method for producing a semiconductor body is disclosed. In an embodiment, the method includes providing a semiconductor body, applying a first mask layer and a second mask layer to the semiconductor body and forming at least one second mask opening in the second mask layer and at least one recess in the semiconductor body in a region of the at least one first mask opening in the first mask layer, wherein the recess comprises a side face and a bottom face and the recess forms an undercut with the second mask opening. The method further includes applying a passivation layer unpatterned to the second mask layer and to the side face and the bottom face of the at least one recess and removing the passivation layer so that the passivation layer remains at least in part on the side face of the at least one recess.Type: GrantFiled: February 10, 2016Date of Patent: November 5, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Franz Eberhard
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Patent number: 10468317Abstract: Electronic component with a support comprising a first inorganic insulating layer and a second inorganic insulating layer, between which a metal core is arranged, a first, a second and a third electrically conductive structure which are arranged on a top surface of the carrier, a first and a second electrical contact point and a thermal contact point, which are arranged on a bottom surface of the carrier, a component and an electrical protection element which are arranged on the side of the top surface of the carrier, in which the first electrically conductive structure is electrically conductively connected to the first electrical contact point, the second electrically conductive structure is electrically conductively connected to the second electrical contact point, the third electrically conductive structure is electrically conductively connected to the thermal contact point, the component is electrically conductively connected to the first and second electrically conductive structures, the electrical protType: GrantFiled: July 27, 2018Date of Patent: November 5, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Thomas Schwarz, Stefan Groetsch, Joerg Erich Sorg, Christoph Koller
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Patent number: 10468395Abstract: A device includes a plurality of optoelectronic semiconductor components and a connection carrier on which the optoelectronic semiconductor components are arranged, wherein the optoelectronic semiconductor components each have a semiconductor body including an active region configured to generate and/or receive radiation; the optoelectronic semiconductor components have a molded body through which a first electrical contact and a second electrical contact to electrically contact the semiconductor bodies are fed; the molded body has a side face delimiting the semiconductor components in a lateral direction; and the connection carrier and the side face of the molded body are covered at least in regions by a radiation-impermeable cover layer.Type: GrantFiled: November 22, 2016Date of Patent: November 5, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Christine Rafael, Korbinian Perzlmaier
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Patent number: 10468337Abstract: A package for an electronic component includes a housing and a leadframe embedded in the housing. The leadframe includes a first section, a second section and a third section which are electrically isolated from one another. The first section and the second section each include an L-shape.Type: GrantFiled: November 12, 2015Date of Patent: November 5, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Sok Gek Beh, Siew Lee Yeoh, Wing Yew Wong
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Patent number: 10468569Abstract: A method of producing at least one connection carrier includes: A) providing a carrier plate with a planar top face; B) applying at least one electrically insulating insulation strip to the top face and cohesively connecting the carrier plate and the insulation strip; and C) applying at least one electrically conductive conductor strip to an adhesive surface of the insulation strip and cohesively connecting the insulation strip and the conductor strip, wherein the conductor strip and the carrier plate are electrically insulated from one another by the insulation strip.Type: GrantFiled: April 19, 2016Date of Patent: November 5, 2019Assignees: OSRAM Opto Semiconductor GmbH, Heraeus Deutschland Gmbh & Co. KG, ALANOD GmbH & Co. KGInventors: Jörg Erich Sorg, Stefan Ziegler, Michael Austgen, Alexander Peetsch, Eckhard Ditzel, Michael Benedikt
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Patent number: 10461120Abstract: A display device with a semiconductor layer sequence includes an active region provided for generating radiation and a plurality of pixels. The display device also includes a carrier. The active region is arranged between a first semiconductor layer and a second semiconductor layer. The semiconductor layer sequence includes a recess, which extends from a major face of the semiconductor layer sequence facing the carrier through the active region into the first semiconductor layer and is provided for electrical contacting of the first semiconductor layer. The carrier includes a number of switches, which are each provided for controlling at least one pixel.Type: GrantFiled: July 31, 2017Date of Patent: October 29, 2019Assignee: OSRAM Opto Semiconductors GmbHInventor: Norwin von Malm
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Publication number: 20190326487Abstract: A platelet for an optoelectronic device, a method for producing an optoelectronic device and an optoelectronic device are disclosed. In an embodiment, a platelet includes silicone and chemical compounds located on at least one surface of the platelet, wherein each chemical compound comprises an anchor group and a head group, wherein the chemical compounds are bonded to the silicone by the anchor group, and wherein an adhesion on the at least one surface is reduced by the head groups of the chemical compounds.Type: ApplicationFiled: July 19, 2017Publication date: October 24, 2019Applicant: OSRAM Opto Semiconductors GmbHInventors: Thomas REESWINKEL, Patrick NINZ
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Patent number: 10454240Abstract: 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.Type: GrantFiled: September 15, 2016Date of Patent: October 22, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Christoph Walter, Roland Enzmann, Markus Horn, Jan Seidenfaden
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Patent number: 10453989Abstract: Disclosed is a method for producing a plurality of semiconductor chips (10). A composite (1), which comprises a carrier (4) and a semiconductor layer sequence (2, 3), is provided. Separating trenches (17) are formed in the semiconductor layer sequence (2, 3) along an isolation pattern (16). A filling layer (11) limiting the semiconductor layer sequence (2, 3) toward the separating trenches (17) is applied to a side of the semiconductor layer sequence (2, 3) facing away from the carrier (4). Furthermore, a metal layer (10) adjacent to the filling layer (11) is applied in the separating trenches (17). The semiconductor chips (20) are isolated by removing the metal layer (10) adjacent to the filling layer (11) in the separating trenches (17). Each isolated semiconductor chip (20) has one part of the semiconductor layer sequence (2, 3), and of the filling layer (11). Also disclosed is a semiconductor chip (10).Type: GrantFiled: February 15, 2016Date of Patent: October 22, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Lutz Hoeppel, Alexander F. Pfeuffer, Dominik Scholz, Isabel Otto, Norwin Von Malm, Stefan Illek
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Patent number: 10444437Abstract: A mounting structure for a light guide having a core and a longitudinal axis, wherein the mounting structure includes a holder into which the light guide is insertable obliquely or perpendicular to the longitudinal axis, and the mounting structure is configured to provide an optical coupling to the core of the light guide.Type: GrantFiled: August 28, 2018Date of Patent: October 15, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Stefan Lorenz, Elmar Baur
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Patent number: 10446717Abstract: An optoelectronic semiconductor chip is disclosed. In an embodiment the chip includes at least one n-doped semiconductor layer, at least one p-doped semiconductor layer and an active layer arranged between the at least one n-doped semiconductor layer and the at least one p-doped semiconductor layer, wherein the p-doped semiconductor layer is electrically contacted by a p-type connection contact, wherein a first trench extending at least partially into the p-doped semiconductor layer is arranged below the p-type connection contact, wherein an electrically insulating first blocking element arranged at least partially below the p-type connection contact and at least partially within the trench is arranged at least between the n-doped semiconductor layer and the p-type connection contact, and wherein the electrically insulating first blocking element is configured to prevent a direct current flow between the p-type connection contact and the p-doped and n-doped semiconductor layers and the active layer.Type: GrantFiled: May 9, 2016Date of Patent: October 15, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Fabian Kopp, Attila Molnar
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Patent number: 10446723Abstract: The invention relates to an optoelectronic element comprising a semiconductor chip (12) that emits a blue-green light (4) during operation and has at least one light passage surface (12a) through which the blue-green light (4) emitted during operation passes and comprising a conversion element (3) which comprises fluorescent particles (31), in particular fluorescent particles of only one type, and which is arranged on the light passage surface (12a) at least in some areas. The fluorescent particles (31) at least partly convert the blue-green light (4) into a red light (5), and the optoelectronic element emits a white mixed light (6) which contains non-converted components of the blue-green light (4) and components of the red light (5).Type: GrantFiled: December 2, 2015Date of Patent: October 15, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Rainer Butendeich, Ion Stoll, Martin Mandl, Martin Strassburg
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Publication number: 20190312406Abstract: A semiconductor laser diode includes a semiconductor body having an emitter region; and a first connection element that electrically contacts the semiconductor body in the emitter region, wherein the semiconductor body is in contact with the first connection element in the emitter region, and at least in places in the emitter region, the semiconductor body has a structuring that enlarges a contact area between the semiconductor body and the first connection element.Type: ApplicationFiled: May 31, 2017Publication date: October 10, 2019Applicant: OSRAM Opto Semiconductors GmbHInventor: Wolfgang Reill
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Patent number: 10439096Abstract: Disclosed is an optoelectronic semiconductor chip (10) comprising: —a succession of semiconductor layers (1) that has a main plane of extension, an active layer (12) and a bottom surface (1c); —a substrate (41) that is arranged on the bottom surface (1c) of the succession of semiconductor layers (1) and has a base surface (41c) facing away from the bottom surface (1c); and —a succession of joining layers (3) which is arranged in at least some locations between the succession of semiconductor layers (1) and the substrate (41) in a vertical direction; wherein —the substrate (41) laterally protrudes from the succession of semiconductor layers (1) by a maximum of 10 ?m.Type: GrantFiled: November 3, 2015Date of Patent: October 8, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Johannes Baur, Lutz Hoeppel
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Patent number: 10439104Abstract: The invention relates to an optoelectronic component (10), comprising a carrier (1) and a plurality of nanorods (2), which are arranged on the carrier (1), wherein the nanorods (2) each comprise an active zone (2d). Furthermore, the optoelectronic component (10) comprises a potting compound (3), which is arranged on the carrier (1) and at least partially embeds the nanorods (2), and a structured metallization (5), which laterally surrounds the nanorods (2), wherein the nanorods (2) extend in a longitudinal direction N, the structured metallization (5) extends in a longitudinal direction M, and the longitudinal direction M of the structured metallization (5) extends transversely to the longitudinal direction N of the nanorods (2).Type: GrantFiled: November 29, 2016Date of Patent: October 8, 2019Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Hubert Halbritter, Ines Pietzonka
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Patent number: 10431954Abstract: 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.Type: GrantFiled: July 19, 2017Date of Patent: October 1, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Jan Seidenfaden, Jan Marfeld, Hubert Schmid, Soenke Tautz, Roland Enzmann
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Patent number: 10431715Abstract: A device and a method for producing a device are disclosed. In an embodiment the device includes a first component; a second component; and a connecting element arranged between the first component and the second component, wherein the connecting element comprises at least a first phase and a second phase, wherein the first phase comprises a first metal having a first concentration, a second metal having a second concentration and a third metal having a third concentration, wherein the second phase comprises the first metal having a fourth concentration, the second metal and the third metal, wherein the first metal, the second metal and the third metal are different from one another and are suitable for reacting at a processing temperature of less than 200° C., and wherein the following applies: c11?c25 and c11?c13?c12.Type: GrantFiled: August 23, 2016Date of Patent: October 1, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Barbara Behr, Andreas Weimar, Mathias Wendt, Marcus Zenger