Patents Assigned to OSRAM OLED GmbH
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Patent number: 11961820Abstract: A method for producing a connection between component parts and a component made of component parts are disclosed. In an embodiment, a includes providing a first component part having a first exposed insulation layer and a second component part having a second exposed insulation layer, wherein each of the insulation layers has at least one opening, joining together the first and second component parts such that the opening of the first insulation layer and the opening of the second insulation layer overlap in top view, wherein an Au layer and a Sn layer are arranged one above the other in at least one of the openings and melting the Au layer and the Sn layer to form an AuSn alloy, wherein the AuSn alloy forms a through-via after cooling electrically conductively connecting the first component part to the second component part.Type: GrantFiled: February 5, 2019Date of Patent: April 16, 2024Assignee: OSRAM OLED GmbHInventors: Simeon Katz, Mathias Wendt, Sophia Huppmann, Marcus Zenger, Jens Mueller
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Patent number: 11955767Abstract: In an embodiment a radiation-emitting component includes a first semiconductor chip configured to generate first primary electromagnetic radiation, a second semiconductor chip configured to generate second primary electromagnetic radiation, a first conversion element configured to partially convert the first and/or the second primary electromagnetic radiation into a first secondary radiation, wherein the first semiconductor chip is a first semiconductor laser diode, wherein the first primary electromagnetic radiation is blue primary radiation and wherein the first secondary radiation is green secondary radiation and a first optical element arranged between radiation emitting surfaces of the first semiconductor chip and the second semiconductor chip, wherein the first optical element is reflective for the first primary radiation and the second primary radiation.Type: GrantFiled: August 1, 2019Date of Patent: April 9, 2024Assignee: OSRAM OLED GmbHInventors: Jörg Erich Sorg, David Racz
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Patent number: 11949052Abstract: In an embodiment, the optoelectronic semiconductor component (1) comprises a semiconductor layer sequence (2) with an active zone (22) for generating a radiation. On an bottom side (20) of the semiconductor layer sequence (2) there is an electrically insulating separation layer (3) with several openings (32). An adhesion-promoting layer (4) is located next to the openings (32) on a side of the separation layer (3) facing away from the semiconductor layer sequence (2). A continuous metallization layer (5) is located on a side of the adhesion-promoting layer (4) facing away from the semiconductor layer sequence (2). The semiconductor layer sequence (2) is electrically contacted in the openings (32) directly by the metallization layer (5). The metallization layer (5) and the openings (32) are spaced from the active zone (22) in the direction perpendicular to the separation layer (3).Type: GrantFiled: February 7, 2019Date of Patent: April 2, 2024Assignee: OSRAM OLED GMBHInventors: Benjamin Reuters, Johannes Saric, Jens Müller
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Patent number: 11949054Abstract: An optoelectronic semiconductor component may include a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a first contact element for making contact with the first semiconductor layer, and a second contact element for making contact with the second semiconductor layer. The first semiconductor layer may be arranged on a side facing away from a first main surface of the second semiconductor layer. Electromagnetic radiation may be output via the first main surface of the second semiconductor layer. The first contact element and the second contact element may each be arranged on a side of a first main surface of the first semiconductor layer. The first contact element may have a first section extending in a first direction, and a second section connected to the first section and extending in a second direction different from the first direction.Type: GrantFiled: August 9, 2019Date of Patent: April 2, 2024Assignee: OSRAM OLED GMBHInventors: Wolfgang Schmid, Christoph Klemp, Isabel Otto
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Patent number: 11942763Abstract: In one embodiment, the semiconductor laser (1) comprises a semiconductor layer sequence (2) based on the material system AlInGaN with at least one active zone (22) for generating laser radiation. A heat sink (3) is thermally connected to the semiconductor layer sequence (2) and has a thermal resistance towards the semiconductor layer sequence (2). The semiconductor layer sequence (2) is divided into a plurality of emitter strips (4) and each emitter strip (4) has a width (b) of at most 0.3 mm in the direction perpendicular to a beam direction (R). The emitter strips (4) are arranged with a filling factor (FF) of less than or equal to 0.4. The filling factor (FF) is set such that laser radiation having a maximum optical output power (P) can be generated during operation.Type: GrantFiled: December 14, 2018Date of Patent: March 26, 2024Assignee: OSRAM OLED GMBHInventors: Harald König, Bernhard Stojetz, Alfred Lell, Muhammad Ali
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Patent number: 11942572Abstract: The invention relates to a method for producing a semiconductor component comprising a radiation-emitting optical semiconductor chip or a plurality of radiation-emitting optical semiconductor chips, said method comprising: applying the radiation-emitting optical semiconductor chip or the plurality of radiation-emitting optical semiconductor chips to a deformable flat support deforming the support; and permanently fixing the deformation.Type: GrantFiled: December 13, 2018Date of Patent: March 26, 2024Assignee: OSRAM OLED GMBHInventors: Siegfried Herrmann, Michael Völkl
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Patent number: 11935755Abstract: A semiconductor laser includes a substrate having a semiconductor layer sequence with an active layer that generates light during operation of the semiconductor laser, and a contact layer on a bottom side of the substrate opposite the semiconductor layer sequence, wherein the contact layer has at least one first partial region and at least one second partial region which are formed contiguously, the at least one first partial region is annealed, and the at least one second partial region is unannealed.Type: GrantFiled: December 18, 2020Date of Patent: March 19, 2024Assignee: OSRAM OLED GmbHInventors: Alfred Lell, Georg Brüderl, John Brückner, Sven Gerhard, Muhammad Ali, Thomas Adlhoch
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Publication number: 20240088622Abstract: In one embodiment the semiconductor laser comprises a carrier and an edge-emitting laser diode which is mounted on the carrier and which comprises an active zone for generating a laser radiation and a facet with a radiation exit region. The semiconductor laser further comprises a protective cover, preferably a lens for collimation of the laser radiation. The protective cover is fastened to the facet and to a side surface of the carrier by means of an adhesive. A mean distance between a light entrance side of the protective cover and the facet is at most 60 ?m. The semiconductor laser is configured to be operated in a normal atmosphere without additional gas-tight encapsulation.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: OSRAM OLED GmbHInventors: Jörg Erich SORG, Harald KÖNIG, Alfred LELL, Florian PESKOLLER, Karsten AUEN, Roland SCHULZ, Herbert BRUNNER, Frank SINGER, Roland HÜTTINGER
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Patent number: 11929455Abstract: An optoelectronic component may include a layer sequence having an active layer configured to emit an electromagnetic primary radiation and a conversion element arranged in the beam path of the primary radiation. The conversion element may include a conversion layer and a conversion potting arranged over the conversion layer. The conversion layer may include a first matrix material and a converter material, and the conversion potting may include a second matrix material and a converter material. There may be a jump in concentration of converter material between the conversion layer and the conversion potting.Type: GrantFiled: July 31, 2018Date of Patent: March 12, 2024Assignee: OSRAM OLED GmbHInventor: Norbert Harendt
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Patent number: 11923656Abstract: A laser device is provided which comprises a common waveguide layer and a plurality of laser bodies, wherein each of the laser bodies has an active region configured for generating coherent electromagnetic radiation. The laser bodies are arranged side by side on the common waveguide layer, wherein the laser bodies are directly adjacent to the common waveguide layer. In particular, the laser bodies are configured to be phase-coupled to each other via the waveguide layer during operation of the laser device. Furthermore, a method for producing such a phase-coupled laser device is provided.Type: GrantFiled: August 9, 2019Date of Patent: March 5, 2024Assignee: OSRAM OLED GmbHInventors: Bruno Jentzsch, Alexander Behres, Hans-Jürgen Lugauer
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Patent number: 11923660Abstract: An optoelectronic semiconductor component is provided that includes a primary light source and a secondary light source. The primary light source and the secondary light source are monolithically integrated in the semiconductor component so that only condensed matter is located between them. The primary light source includes a first resonator containing a semiconductor layer sequence which is electrically pumped during operation. A first resonator axis of the first resonator is oriented parallel to a growth direction (G) of the semiconductor layer sequence. The primary light source is configured to generate pump laser radiation (P). The secondary light source includes a pump medium for generating secondary radiation (S) and the pump medium is optically pumped by the pump laser radiation (P). The first resonator axis points past the pump medium.Type: GrantFiled: June 6, 2019Date of Patent: March 5, 2024Assignee: OSRAM OLED GMBHInventors: Bernhard Stojetz, Christoph Eichler, Alfred Lell, Sven Gerhard
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Patent number: 11923662Abstract: An edge emitting laser bar is disclosed. In an embodiment an edge-emitting laser bar includes an AlInGaN-based semiconductor layer sequence having a contact side and an active layer configured to generate laser radiation, a plurality of individual emitters arranged next to each other and spaced apart from one another in a lateral transverse direction, each emitter configured to emit laser radiation and a plurality of contact elements arranged next to each other and spaced apart from one another in the lateral transverse direction on the contact side for making electrical contact with the individual emitters, each contact element being assigned to an individual emitter, wherein each contact element is electrically conductively coupled to the semiconductor layer sequence via a contiguous contact region of the contact side so that a current flow between the semiconductor layer sequence and the contact element is possible via the contact region.Type: GrantFiled: June 16, 2022Date of Patent: March 5, 2024Assignee: OSRAM OLED GmbHInventors: Alfred Lell, Muhammad Ali, Bernhard Stojetz, Harald Koenig
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Patent number: 11916166Abstract: An optoelectronic device may include an optoelectronic semiconductor chip that is configured to emit electromagnetic radiation. The chip may include a first semiconductor layer, a second semiconductor layer, first and second current spreading structures, and a plurality of electrical contact elements. The first current spreading layer may be arranged on a side of the second semiconductor layer facing away from the first semiconductor layer. The plurality of electrical contact elements may electrically connect the first semiconductor layer to the first current spreading layer. The second current spreading layer may be electrically connected to the second semiconductor layer. The second current spreading layer may be arranged between the first current spreading layer and the second semiconductor layer where an insulating layer insulates a first electrical contact element and a second electrical contact element from the second current spreading layer.Type: GrantFiled: May 8, 2019Date of Patent: February 27, 2024Assignee: Osram OLED GmbHInventors: Roland Heinrich Enzmann, Christian Mueller, Stefan Barthel, Vanessa Eichinger, Marc Christian Nenstiel, Lorenzo Zini
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Patent number: 11894493Abstract: A radiation-emitting semiconductor chip may include a semiconductor body, a reflector, at least one cavity, and a seal. The semiconductor body may include an active region configured to generate electronic radiation. The reflector may be configured to reflect a portion of the electromagnetic radiation. The cavity may be filled with a material having a refractive index not exceeding 1.1. The seal may be impermeable to the material. The cavity may be arranged between the reflector and the semiconductor body, and the seal may cover the underside of the reflector.Type: GrantFiled: January 15, 2019Date of Patent: February 6, 2024Assignee: OSRAM OLED GMBHInventors: Korbinian Perzlmaier, Stefan Illek
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Patent number: 11892651Abstract: 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.Type: GrantFiled: April 1, 2021Date of Patent: February 6, 2024Assignee: OSRAM OLED GmbHInventors: Roland Enzmann, Hubert Halbritter, Markus Arzberger, Andreas Ploessl, Roland Schulz, Georg Rossbach, Bernd Boehm, Frank Singer, Matthias Sabathil
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Patent number: 11888097Abstract: An optoelectronic component (1) is specified, with at least one radiation-emitting semiconductor chip generating electromagnetic radiation during operation, a coating surrounding the at least one semiconductor chip in lateral directions, a magnetic structure covered by the coating, wherein the magnetic structure enables the component to be identified. Furthermore, a process for the manufacture of such an optoelectronic component is given.Type: GrantFiled: July 1, 2019Date of Patent: January 30, 2024Assignee: OSRAM OLED GmbHInventors: Konrad Wagner, Daniel Richter, Gunnar Petersen, Nicole Berner, Michael Förster
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Patent number: 11881544Abstract: The invention relates to a method for producing a plurality of optoelectronic semiconductor components, including the following steps: preparing a plurality of semiconductor chips spaced in a lateral direction to one another; forming a housing body assembly, at least one region of which is arranged between the semiconductor chips; forming a plurality of fillets, each adjoining a semiconductor chip and being bordered in a lateral direction by a side surface of each semiconductor chip and the housing body assembly; and separating the housing body assembly into a plurality of optoelectronic components, each component having at least one semiconductor chip and a portion of the housing body assembly as a housing body, and each semiconductor chip not being covered by material of the housing body on a radiation emission surface of the semiconductor component, which surface is located opposite a mounting surface. The invention also relates to a semiconductor component.Type: GrantFiled: October 5, 2022Date of Patent: January 23, 2024Assignee: OSRAM OLED GmbHInventors: Markus Pindl, Thomas Schwarz, Frank Singer, Sandra Sobczyk
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Patent number: 11867617Abstract: In an embodiment a beam-guiding cavity structure includes at least one first curved surface, one second curved surface and one third curved surface spanning a cavity, the first-third curved surfaces respectively having at least one first focal point and one second focal point, wherein the cavity is configured such that substantially no distance is laterally formed between the first focal point of the first curved surface and the second focal point of the second curved surface, wherein the cavity is further configured such that substantially no distance is laterally formed between the first focal point of the second curved surface and the second focal point of the third curved surface, wherein the first focal point of the second curved surface is arranged next to a connecting line of the first and second focal points of the first curved surface, wherein the first focal point of the third curved surface is arranged next to a connecting line of the first and second focal points of the second curved surface, andType: GrantFiled: September 2, 2019Date of Patent: January 9, 2024Assignee: OSRAM OLED GmbHInventor: Farhang Ghasemi Afshar
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Patent number: 11870214Abstract: In one embodiment the semiconductor laser comprises a carrier and an edge-emitting laser diode which is mounted on the carrier and which comprises an active zone for generating a laser radiation and a facet with a radiation exit region. The semiconductor laser further comprises a protective cover, preferably a lens for collimation of the laser radiation. The protective cover is fastened to the facet and to a side surface of the carrier by means of an adhesive. A mean distance between a light entrance side of the protective cover and the facet is at most 60 ?m. The semiconductor laser is configured to be operated in a normal atmosphere without additional gas-tight encapsulation.Type: GrantFiled: October 21, 2022Date of Patent: January 9, 2024Assignee: OSRAM OLED GMBHInventors: Jörg Erich Sorg, Harald König, Alfred Lell, Florian Peskoller, Karsten Auen, Roland Schulz, Herbert Brunner, Frank Singer, Roland Hüttinger
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Patent number: 11855245Abstract: An optoelectronic semiconductor element may include an optoelectronic semiconductor chip. The optoelectronic semiconductor chip may include a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a first contact element connected to the first semiconductor layer in an electrically conductive manner, and a second contact element connected to the second semiconductor layer in an electrically conductive manner. The first semiconductor layer and the second semiconductor layer are arranged one above the other to form a layer stack. The first semiconductor layer to where the second semiconductor layer is exposed. The first contact element is arranged over the first semiconductor layer, and the second contact element is arranged over the first semiconductor layer.Type: GrantFiled: September 12, 2019Date of Patent: December 26, 2023Assignee: Osram OLED GmbHInventors: Korbinian Perzlmaier, Alexander F. Pfeuffer, Kerstin Neveling