Patents Assigned to Osram Opto Semiconductor GmbH
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Patent number: 11888078Abstract: A semiconductor photodiode (600) comprises a top side (602) with an active surface area (604) for light entry, a bottom side (606), a bulk structure (610) made of a single semiconductor material, the bulk structure comprising a p-type layer (612a) and an n-type layer (612b), which together form the p-n junction (612) of the photodiode, wherein one of the two layers of the p-n junction is an upper p-n junction layer (612a) and the other one is a lower p-n junction layer (612b), wherein the upper p-n junction layer (612a) is located proximate to the active surface area (604), and a semiconductor light absorption layer (614), wherein the light absorption layer (612a), (614) defines the active surface area (604) and is arranged on top of the bulk structure (610), above the upper p-n junction layer (612a), and the semiconductor material of the light absorption layer (614) is different from the semiconductor material of the bulk structure (610), the light absorption layer (614) and the upper p-n junction layer (612Type: GrantFiled: January 8, 2021Date of Patent: January 30, 2024Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Massimo Cataldo Mazzillo, Tim Boescke, Wolfgang Zinkl
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Patent number: 11881824Abstract: A transimpedance amplifier may include a voltage-controlled operational amplifier having a non-inverting input connected to ground, an inverting input receiving a current signal to be amplified, an output coupled to the inverting input via a coupling resistor, and a power-down input (PWDN input) activated upon receipt of at least one power-down signal (PWDN) such that at least one internal current source is thereupon deactivated.Type: GrantFiled: November 20, 2019Date of Patent: January 23, 2024Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Tim Boescke
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Patent number: 11863914Abstract: A projection apparatus includes a light source for emitting light with an initial spectral distribution, an optical element, and a projection surface. The optical element is arranged in a beam path of light emitted from the light source between the light source and the projection surface. The optical element includes a number of pixels. The pixels of the optical element are each configured to convert light with the initial spectral distribution into light with a predetermined final spectral distribution different from the initial spectral distribution.Type: GrantFiled: November 30, 2020Date of Patent: January 2, 2024Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Daniel Richter
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Patent number: 11842980Abstract: The method of producing an electronic component (100) comprises a step A) of providing a semiconductor chip (2) having an underside (20), having a plurality of contact pins (21), and having at least one positioning pin (25) protruding from the underside. The contact pins are adapted to electrically contact the semiconductor chip. The positioning pin narrows in the direction away from the underside and protrudes further from the underside than the contact pins. The semiconductor chip is placed on the connection carrier, with the contact pins each being inserted into a contact recess and the positioning pin being inserted into the positioning recess. The contact pins are immersed in the molten solder material.Type: GrantFiled: October 17, 2019Date of Patent: December 12, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Mathias Wendt, Simeon Katz, Pascal Porten
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Patent number: 11835384Abstract: In an embodiment, an optoelectronic measuring device includes a first detector configured to provide a first detector signal, a second detector configured to provide a second detector signal, wherein each of the first detector and the second detector is configured to detect electromagnetic radiation, a signal difference determiner configured to generate a difference signal by subtracting the second detector signal from the first detector signal and a spectral filter arranged in a beam path upstream of the second detector, wherein the spectral filter is configured to filter the electromagnetic radiation before detection by the second detector, wherein the optoelectronic measuring device is configured to measure an intensity of the electromagnetic radiation impinging on the optoelectronic measuring device.Type: GrantFiled: May 12, 2020Date of Patent: December 5, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Daniel Dietze, Wolfgang Zinkl
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Patent number: 11825244Abstract: A planar light circuit comprises a substrate and a first pixel. The first pixel comprises a first number N of laser diodes, a first waveguide located on the substrate, a first number N of inlets which couple the first number N of laser diodes to the first waveguide and a first outlet. The first waveguide couples the first number N of inlets to the first outlet. An arrangement comprises the planar light circuit. The arrangement is realized as data glasses.Type: GrantFiled: April 19, 2021Date of Patent: November 21, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Jörg Erich Sorg, Hubert Halbritter, Ann Russell
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Patent number: 11824143Abstract: In an embodiment an optoelectronic component includes a radiation emitting semiconductor chip configured to emit primary electromagnetic radiation from a radiation emission surface, a conversion element configured to convert the primary electromagnetic radiation into electromagnetic secondary radiation, a first potting covering at least one side surface of the semiconductor chip, a second potting arranged on the first potting and an adhesion promoter with which the conversion element is fixed on the radiation emission surface of the semiconductor chip, wherein the adhesion promoter is arranged on a top surface of the first potting, wherein the first potting includes first filler particles, wherein the second potting includes second filler particles, and wherein a mass fraction of the first filler particles is greater than a mass fraction of the second filler particles per volume element.Type: GrantFiled: October 14, 2019Date of Patent: November 21, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Günter Spath, Daniel Leisen, Simon Jerebic, Matthias Kiessling
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Patent number: 11796567Abstract: A method for electrically contacting components in a semiconductor wafer includes providing a flexible board comprising a first main surface on which a plurality of conductor tracks are arranged, positioning the board with respect to a semiconductor wafer such that the first main surface of the board faces the semiconductor wafer, the board is bent and pressed onto the semiconductor wafer in such a way that contact elements of a plurality of components arranged in a row in the semiconductor wafer come into contact with the conductor tracks, and electrical signals are applied to the components through the conductor tracks.Type: GrantFiled: March 9, 2020Date of Patent: October 24, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Michael Bergler, Roland Zeisel
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Patent number: 11799048Abstract: In an embodiment an optoelectronic sensor includes a radiation-emitting semiconductor region, a radiation-detecting semiconductor region, a first polarization filter arranged above the radiation-emitting semiconductor region and including a first polarization direction and a second polarization filter arranged above the radiation-detecting semiconductor region and including a second polarization direction, wherein the first polarization direction and the second polarization direction are perpendicular to each other, wherein a radiation-reflecting or radiation-absorbing layer is arranged on side flanks of the radiation-emitting semiconductor region and/or the radiation-detecting semiconductor region and/or the first polarization filter and/or the second polarization filter.Type: GrantFiled: October 8, 2019Date of Patent: October 24, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Daniel Richter, Luca Haiberger
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Patent number: 11795384Abstract: A nanoparticle is specified. The nanoparticle comprises a nanocrystal configured to convert electromagnetic radiation of a first wavelength range into electromagnetic radiation of a second wavelength range, a first encapsulation comprising pores which reach into or through the first encapsulation, and a second encapsulation which is different from the first encapsulation, wherein the second encapsulation abuts at least one of the pores. Furthermore, a structure comprising a plurality of nanoparticles and a method for producing nanoparticle is specified.Type: GrantFiled: December 2, 2021Date of Patent: October 24, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Erik Johansson, Robert Fitzmorris, Peter Chen
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Patent number: 11789347Abstract: The invention relates to a laser projection arrangement. The arrangement includes a sub-mount carrier with a main surface and at least one edge-emitting laser arranged on the sub-mount. The at least one edge-emitting laser is facing the sub-mount and includes at least one laser facet that is located at a predefined distance from the main surface of the sub-mount. A planar light circuit with at least one light guide has an inlet and is arranged on the sub-mount such that the at least one light guide and the inlet is located at the predefined distance from the main surface of the sub-mount facing the at least one laser facet.Type: GrantFiled: December 22, 2020Date of Patent: October 17, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Jörg Erich Sorg, Nicole Berner
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Patent number: 11783762Abstract: An arrangement for operating a diode array includes a plurality of LEDs. Each LED is assigned a respective sensor element which is configured to detect a characteristic value representative of a luminous flux of the respective LED. The arrangement also includes a respective supply input for providing a current for light-emitting operation of the respective LED. The arrangement further includes in each case a control unit which is coupled on the input side to the respective supply input and the respective sensor element and on the output side to the respective LED and is configured to control the current for light-emitting operation of the respective LED as a function of the corresponding characteristic value. The arrangement additionally includes a respective supply input for providing a current for light-emitting operation of the respective LED.Type: GrantFiled: September 17, 2020Date of Patent: October 10, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Jens Richter, Christopher Söll
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Patent number: 11776461Abstract: A circuit for generating a PWM signal includes a shift register having a plurality of clock-controlled register units. Each clock-controlled register unit has an input and an output. The circuit also includes a write unit configured to set the outputs of the register units each to a designated logical value. The circuit further includes a clock generator configured to drive the register units with a common clock signal. The register units are connected in series. The shift register is configured to output the PWM signal at an output contact. The PWM signal is a chronological sequence of the logical values set in the register units, the PWM signal assumes each of the logical values with the duration of one clock of the clock signal, the clock signal is cyclic, during one cycle the duration of successive clocks changes, and the clock signal is identical per cycle.Type: GrantFiled: April 27, 2020Date of Patent: October 3, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Christopher Soell, Markus Koesler, Jens Richter
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Patent number: 11776468Abstract: An optoelectronic light emitting device includes a plurality of programmable pixels arranged in a matrix of rows and columns, each pixel including at least one optoelectronic semiconductor component, and programming device configured to program the pixels in a plurality of successive time intervals. A row pattern including a subset of the rows of the matrix is given. The programming device is configured to program the pixels of those rows per time interval which are comprised by the row pattern. The row pattern is shifted by at least one row per time interval.Type: GrantFiled: May 19, 2020Date of Patent: October 3, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Thomas Schwarz
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Patent number: 11760929Abstract: The invention relates to a conversion element comprising a wavelength-converting conversion material, a matrix material in which the conversion material is inserted, and a substrate on which the matrix material and the conversion material are directly arranged, the matrix material comprising at least one condensed sol-gel material selected from the following group: water glass, metal phosphate, aluminium phosphate, monoaluminium phosphate, modified monoaluminium phosphate, alkoxytetramethoxysilane, tetraethyl orthosilicate, methyltrimethoxysilane, methyltriethoxysilane, titanium alkoxide, silica sol, metal alkoxide, metal oxane or metal alkoxane, the conversion element being arranged in the beam path of a laser source, the conversion element being mounted in a mechanically immobile manner in relation to the laser source, and the radiation of the laser source being dynamically arranged in relation to the conversion element.Type: GrantFiled: November 13, 2019Date of Patent: September 19, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Jörg Frischeisen, Nusret Sena Gueldal, Angela Eberhardt, Vesna Mueller, Florian Peskoller, Pascal Rabenbauer, Thomas Huckenbeck, Jürgen Bauer
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Patent number: 11764339Abstract: The invention relates to various aspects of a ?-LED or a ?-LED array for augmented reality or lighting applications, in particular in the automotive field. The ?-LED is characterized by particularly small dimensions in the range of a few ?m.Type: GrantFiled: December 22, 2021Date of Patent: September 19, 2023Assignee: OSRAM Opto Semiconductors GmbHInventors: Andreas Biebersdorf, Laura Kreiner, Stefan Illek, Ines Pietzonka, Petrus Sundgren, Christoph Klemp, Felix Feix, Christian Berger, Ana Kanevce
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Patent number: 11763731Abstract: A display apparatus includes a multiplicity of picture elements for emitting visible light in different colors in an adjustable manner by means of a plurality of semiconductor layer sequences. Each of the picture elements has a plurality of types of pixels and each type of pixels is configured for emitting light of a specific color. The pixels are each subdivided into a plurality of sub-pixel. All the sub-pixels are configured for emitting light of the same color out of the display apparatus without further color change. At least two sub-pixels within each pixel have emission areas of different sizes. An electrical control unit is assigned to each pixel. The control units are each configured to automatically control the sub-pixels of a relevant pixel depending on an energization intensity in such a way that a light-emitting area of the relevant pixel increases in stepped fashion with the energization intensity.Type: GrantFiled: April 27, 2020Date of Patent: September 19, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Brendan Holland, Gunnar Petersen, Daniel Richter
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Patent number: 11757254Abstract: An optoelectronic semiconductor device comprises a plurality of laser devices. Each of the laser devices is configured to emit electromagnetic radiation. The laser devices are horizontally arranged. A first laser device of the plurality of laser devices is configured to emit electromagnetic radiation having a first wavelength different from the wavelength of a further laser device of the plurality of laser devices. A difference between the first wavelength and the wavelength of the further laser device is less than 20 nm.Type: GrantFiled: August 10, 2020Date of Patent: September 12, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Peter Fuchs, Ann Russell, Thomas Falck, Hubert Halbritter, Bruno Jentzsch, Christian Lauer
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Patent number: 11756479Abstract: A display device includes pixels-arranged in an array with rows and columns, column lines, each connected to the pixels of one of the columns, row lines, each connected to the pixels of one of the rows, and a control unit connected to the column lines and the row lines. The control unit is configured to generate a column pulse for a selected one of the column lines and generate a data signal for a selected row line from the row lines. The data signal includes a set pulse which, when the pixel is set to a radiating state, is applied at least in part to the pixel connected to the selected column and row line when the column pulse is applied to the pixel, and drives the pixel such that a light emission of the pixel depends on the time offset between the column pulse and the set pulse.Type: GrantFiled: February 20, 2020Date of Patent: September 12, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Thorsten Frank Baumheinrich, Hubert Halbritter
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Patent number: 11757259Abstract: The invention relates to an edge-emitting semiconductor laser comprising —at least two laser diodes, each of which is designed to generate electromagnetic radiation, wherein —the laser diodes are arranged on top of one another in a vertical direction, —the laser diodes are monolithically connected to one another, and —at least one frequency-stabilizing element is arranged in an end region of the laser diodes. The invention also relates to a method for producing an edge-emitting semiconductor laser.Type: GrantFiled: August 18, 2020Date of Patent: September 12, 2023Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventor: Martin Mueller