Patents Assigned to OSRAM OLED GmbH
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Patent number: 11222992Abstract: An optoelectronic component, comprising: a structured semiconductor layer, a metallic mirror layer arranged on the semiconductor layer, a diffusion barrier layer arranged on the metallic mirror layer, a passivation layer arranged on the diffusion barrier layer, wherein the semiconductor layer comprises a mesa structure with mesa trenches. The mesa trenches taper from the surface of the semiconductor layer towards the mirror layer.Type: GrantFiled: July 20, 2018Date of Patent: January 11, 2022Assignee: OSRAM OLED GmbHInventors: Stephan Kaiser, Andreas Ploessl
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Patent number: 11213859Abstract: The invention relates to a method for classifying a light-emitting semiconductor component (301) for an image sensor application, wherein the semiconductor component (301) is designed as a light source for an image sensor (302), comprising the following steps: providing the light-emitting semiconductor component (301); determining at least one of the following parameters of the light emitted with an emission spectrum by the light-emitting semiconductor component (301) during operation: R=?qR(?)·S(?)d?·texp, G=?qG(?)·S(?)d?·texp, B=?qB(?)·S(?)d?·texp, wherein qR(?), qG(?), and qB(?) are spectral sensitivities of a red, green, and blue color channel of the image sensor (302), S(?) is the emission spectrum of the light-emitting semiconductor component (301), texp is an exposure time, and ? designates a wavelength; classifying the light-emitting semiconductor component (301) into a class from a group of classes, which are characterized by different value ranges of at least one parameter that depends on at least oType: GrantFiled: March 19, 2015Date of Patent: January 4, 2022Assignee: OSRAM OLED GmbHInventors: Felix Kimme, Peter Brick
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Patent number: 11211533Abstract: An optoelectronic component, having an optoelectronic semiconductor chip, includes a substrate, wherein at least two light-emitting sections are arranged laterally next to one another over an upper side of the substrate, the light-emitting sections are separately controllable, the light-emitting sections generate electromagnetic radiation from different spectral ranges, the light-emitting sections are formed by a layer sequence, an active region is formed inside the layer sequence, trenches are formed between the light-emitting sections, and the trenches fully divide the active region so that the light-emitting sections are separated from one another.Type: GrantFiled: November 27, 2018Date of Patent: December 28, 2021Assignee: OSRAM OLED GmbHInventors: Siegfried Herrmann, Michael Völkl
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Patent number: 11211524Abstract: A method of manufacturing an optoelectronic component includes providing a carrier with an upper side; arranging an optoelectronic semiconductor chip above the upper side of the carrier; arranging a casting material above the upper side of the carrier, wherein the optoelectronic semiconductor chip is embedded in the casting material, and the casting material forms a cast surface; simultaneously spraying particles and a further material onto the cast surface, wherein a mixture of the further material and the particles includes a proportion of the particles of 20 percent by weight to 60 percent by weight, a portion of the particles remains at the cast surface, and a topography is created at the cast surface.Type: GrantFiled: July 31, 2018Date of Patent: December 28, 2021Assignee: OSRAM OLED GmbHInventors: Daniel Leisen, Herbert Brunner, Emilia Dinu, Jens Eberhard, Christina Keith, Markus Pindl, Thomas Reeswinkel, Daniel Richter
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Patent number: 11205641Abstract: An optoelectronic component may include four semiconductor chips arranged on a substrate. A first semiconductor chip may be configured to emit electromagnetic radiation with a dominant wavelength ranging from about 610 to about 650 nm during operation. A second semiconductor chip may be configured to emit electromagnetic radiation with a dominant wavelength ranging from about 450 to about 475 nm during operation. A third semiconductor chip may be configured to emit electromagnetic radiation with color space coordinates of 0.3231±0.005 and 0.5408±0.005 in the CIE color space during operation. A fourth semiconductor chip may emit electromagnetic radiation having color space coordinates of 0.5638±0.005 and 0.4113±0.005 in the CIE color space during operation. The third and fourth semiconductor chips may have a conversion layer configured to convert a wavelength of the electromagnetic radiation emitted by the active region.Type: GrantFiled: September 20, 2018Date of Patent: December 21, 2021Assignee: OSRAM OLED GMBHInventors: Stefan Morgott, Wolfgang Schnabel
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Patent number: 11205885Abstract: A method of producing laser bars or semiconductor lasers includes providing a carrier composite to form a plurality of carriers for the laser bars or for the semiconductor lasers, providing a semiconductor body composite including a common substrate and a common semiconductor layer sequence grown thereon, forming a plurality of separation trenches through the common semiconductor layer sequence such that the semiconductor body composite is divided into a plurality of semiconductor bodies, applying the semiconductor body composite to the carrier composite such that the separation trenches face the carrier composite, thinning or removing the common substrate, and singulating the carrier composite into a plurality of carriers, wherein a plurality of semiconductor bodies are arranged on one of the carriers, and the semiconductor bodies arranged on one common carrier are laterally spaced apart from one another by the separation trenches.Type: GrantFiled: April 16, 2018Date of Patent: December 21, 2021Assignee: OSRAM OLED GmbHInventors: Roland Heinrich Enzmann, Hubert Halbritter, Markus Bröll
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Patent number: 11205643Abstract: An optoelectronic circuit assembly has a first optoelectronic component and a second optoelectronic component, wherein the optoelectronic components each comprise a housing body with an upper face and a lower face, wherein in the housing body of each optoelectronic component, a first optoelectronic semiconductor chip and a second optoelectronic semiconductor chip are embedded, wherein the optoelectronic components are mounted on a circuit board, wherein the first optoelectronic semiconductor chip of the first optoelectronic component and the first optoelectronic semiconductor chip of the second optoelectronic component are connected to a first conductor track in an electrically conductive manner, wherein the second optoelectronic semiconductor chip of the first optoelectronic component and the second optoelectronic semiconductor chip of the second optoelectronic component are connected to a second conductor track in an electrically conductive manner, wherein the first optoelectronic semiconductor chip or theType: GrantFiled: January 29, 2019Date of Patent: December 21, 2021Assignee: OSRAM OLED GMBHInventor: Martin Behringer
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Patent number: 11201454Abstract: The invention relates to a semiconductor laser comprising a layer structure comprising an active zone, wherein the active zone is configured to generate an electromagnetic radiation, wherein the layer structure comprises a sequence of layers, wherein two opposite end faces are provided in a Z-direction, wherein at least one end face is configured to at least partly couple out the electromagnetic radiation, and wherein the second end face is configured to at least partly reflect the electromagnetic radiation, wherein guide means are provided for forming an optical mode in a mode space between the end faces, wherein means are provided which hinder a formation of an optical mode outside the mode space, in particular modes comprising a propagation direction which do not extend perpendicularly to the end faces.Type: GrantFiled: April 7, 2017Date of Patent: December 14, 2021Assignee: OSRAM OLED GMBHInventors: Clemens Vierheilig, Alfred Lell, Sven Gerhard, Andreas Loeffler
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Patent number: 11202058Abstract: A 3D display element (2) comprising a plurality of emission regions (20) adapted to emit electromagnetic radiation (L), wherein at least some emission regions (20) are associated with a first group and at least some emission regions (20) are associated with a second group (21, 22), wherein by means of the emission regions (20) of the first group (21) respectively a pixel (100) of a first perspective (11) of an image (B) can be represented, and by means of the emission regions (20) of the second group (22) respectively a pixel (100) of a second perspective (12) of the image (B) can be represented the sum of all emission regions (20) is greater than the sum of all pixels (100) of all perspectives (11, 12).Type: GrantFiled: August 31, 2018Date of Patent: December 14, 2021Assignee: OSRAM OLED GMBHInventors: Peter Brick, Hubert Halbritter, Mikko Peraelae, Frank Singer
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Patent number: 11199756Abstract: A lighting device and a method for operating a lighting device are disclosed. In an embodiment, a lighting device includes at least one semiconductor component comprising a plurality of pixels and configured to generate light illuminating a field of view and a drive circuit, wherein the field of view is divided into a plurality of regions, wherein each pixel is configured to illuminate a region of the field of view, wherein each pixel comprises at least a first type subpixel and a second type subpixel, and wherein the first type subpixel is configured to emit light of a white color location and the second type subpixel is configured to emit light of a non-white color location.Type: GrantFiled: February 22, 2018Date of Patent: December 14, 2021Assignee: OSRAM OLED GMBHInventors: Désirée Queren, Mikko Perälä, Marco Antretter
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Patent number: 11201141Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a plurality of light-emitting diode chips arranged on a mounting surface of a carrier, a first translucent element and a second translucent element, wherein the first translucent element is arranged over the plurality of light-emitting diode chips as viewed from the mounting surface and the second translucent element is disposed on a side of the plurality of light-emitting diode chips opposite the first translucent element such that the light-emitting diode chips are arranged between the first and second translucent elements, wherein the first and second translucent elements are configured to emit light generated by the light-emitting diode chips during operation outwardly, and wherein the first and second translucent elements appear white or grey in daylight.Type: GrantFiled: September 19, 2017Date of Patent: December 14, 2021Assignee: OSRAM OLED GMBHInventors: Sergey Kudaev, Krister Bergenek
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Patent number: 11195981Abstract: A method of manufacturing semiconductor device includes providing a radiation emitting semiconductor chip having a first main surface, applying a metallic seed layer to a second main surface opposite the first main surface, galvanically depositing first and second metallic volume regions on the seed layer, depositing an adhesion promoting layer on the volume regions, and applying a casting compound at least between contact points, wherein before the metallic volume regions are galvanically deposited, a dielectric layer is first applied to the seed layer over its entire surface and openings are produced in the dielectric layer by etching, and a material of the metallic volume regions is deposited through the openings of the dielectric layer, wherein the dielectric layer is underetched at boundaries to the openings and the underetches are filled with material of the metallic volume regions during the galvanical depositing of the metallic volume regions.Type: GrantFiled: May 8, 2018Date of Patent: December 7, 2021Assignee: OSRAM OLED GmbHInventors: Isabel Otto, Anna Kasprzak-Zablocka, Christian Leirer
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Patent number: 11195978Abstract: A method for producing a plurality of radiation-emitting semiconductor components and a radiation-emitting semiconductor component are disclosed. In an embodiment a method includes providing an auxiliary carrier, applying a first structured wavelength converting layer to the auxiliary carrier comprising a plurality of structural elements, filling regions between the structural elements with a first reflective casting compound and applying a radiation-emitting semiconductor chip with its front side to one structural element of the first structured wavelength converting layer in each case.Type: GrantFiled: March 21, 2018Date of Patent: December 7, 2021Assignee: OSRAM OLED GMBHInventors: Ivar Tangring, Thomas Schlereth
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Patent number: 11195976Abstract: An optoelectronic component may have a semiconductor chip designed to emit electromagnetic radiation. The semiconductor chip may have a radiation exit surface, and a protective layer arranged over the radiation exit surface. The protective layer may include at least one first layer comprising an aluminum oxide and at least one second layer comprising a silicon oxide a silicon oxide, and at least one third layer comprising a titanium oxide. A current spreading layer may include one or more transparent conductive oxides arranged between the radiation exit surface and the protective layer.Type: GrantFiled: March 29, 2018Date of Patent: December 7, 2021Assignee: OSRAM OLED GMBHInventors: Jia Ping Jackson Kua, Tilman Eckert, Alexander Linkov
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Patent number: 11195974Abstract: A semiconductor chip may include a substrate and a semiconductor body positioned thereon. The semiconductor body has a first semiconductor layer and a second semiconductor layer with an active zone sandwiched therebetween. At least one current spreading layer is designed to electrically contact the first semiconductor layer positioned between the substrate and the semiconductor body. A metal layer is designed to electrically contact the second semiconductor layer positioned between the substrate and the current spreading layer where the metal layer fully covers the current spreading layer. An insulating layer may be positioned between the current spreading layer and the metal layer in the vertical direction to where the metal layer is electrically insulated from the current spreading layer.Type: GrantFiled: September 25, 2018Date of Patent: December 7, 2021Assignee: OSRAM OLED GMBHInventors: Roland Heinrich Enzmann, Lorenzo Zini, Vanessa Eichinger, Jochen Brendt
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Patent number: 11196231Abstract: A semiconductor laser diode and a method for manufacturing a semiconductor laser diode are disclosed. In an embodiment a semiconductor laser diode includes an epitaxially produced semiconductor layer sequence comprising at least one active layer and a gallium-containing passivation layer on at least one surface region of the semiconductor layer sequence.Type: GrantFiled: April 18, 2018Date of Patent: December 7, 2021Assignee: OSRAM OLED GMBHInventors: Alfred Lell, Sebastian Taeger
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Patent number: 11185243Abstract: A sensor device includes a first light emitter that emits light with a wavelength from a first spectral range, a second light emitter that emits light with a wavelength from a second spectral range, a first light detector configured to detect light with a wavelength from the first spectral range, but not to respond to light with a wavelength from the second spectral range, and a second light detector configured to detect light with a wavelength from the first spectral range and light with a wavelength from the second spectral range, wherein a distance between the first light emitter and the first light detector is smaller than a distance between the second light emitter and the second light detector.Type: GrantFiled: May 23, 2017Date of Patent: November 30, 2021Assignee: OSRAM OLED GmbHInventors: Tim Böscke, Stephan Haslbeck
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Patent number: 11187392Abstract: A headlamp includes a first semiconductor chip and a second semiconductor chip for generating light. The first and second semiconductor chips each include several pixels. A first optics is arranged to direct light from the first semiconductor chip with a first magnification into a base region. Via a second optics, light of the second semiconductor chip is directed into a bright region with a second magnification. The second magnification is between 0.3 times and 0.7 times the first magnification inclusive, so that the bright region is smaller than the base region. The bright region is within the base region.Type: GrantFiled: November 16, 2018Date of Patent: November 30, 2021Assignee: OSRAM OLED GmbHInventors: Stefan Grötsch, Joachim Reill
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Patent number: 11189990Abstract: A semiconductor laser component including a semiconductor chip arranged to emit laser radiation, a cladding that is electrically insulating and covers the semiconductor chip in places, and a bonding layer that electrically conductively connects the semiconductor chip to a first connection point, wherein the semiconductor chip includes a cover surface, a bottom surface, a first front surface, a second front surface, a first side surface and a second side surface, the first front surface is arranged to decouple the laser beam, the cladding covers the semiconductor chip at least in places on the cover surface, the second front surface, the first side surface and the second side surface, and the bonding layer on the cladding extends from the cover surface to the first connection point.Type: GrantFiled: May 18, 2018Date of Patent: November 30, 2021Assignee: OSRAM OLED GmbHInventors: Andreas Wojcik, Hubert Halbritter, Thomas Schwarz
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Patent number: 11183621Abstract: A component may include a semiconductor chip, a buffer layer, a connecting layer, and a metal carrier. The semiconductor chip may include a substrate and a semiconductor body arranged thereon. The metal carrier may have a thermal expansion coefficient at least 1.5 times as great as a thermal expansion coefficient of the substrate or of the semiconductor chip. The chip may be fastened on the metal carrier by the connecting layer, and the buffer layer may have a yield stress ranging from 10 MPa. The buffer layer may have a thickness ranging from 2 um to 10 um and adjoin the chip. The substrate and the metal carrier may have a higher yield strength than the buffer layer.Type: GrantFiled: July 19, 2018Date of Patent: November 23, 2021Assignee: OSRAM OLED GMBHInventors: Paola Altieri-Weimar, Ingo Neudecker, Andreas Ploessl, Marcus Zenger