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71.
公开(公告)号:US20230041170A1
公开(公告)日:2023-02-09
申请号:US17758549
申请日:2020-12-16
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Ann Russell , Hubert Halbritter , Christoph Goeltner
IPC: G01N21/65
Abstract: In an embodiment an apparatus includes at least one optoelectronic laser configured to provide excitation radiation to a sample, the excitation radiation being generated by an electric current flowing through the at least one optoelectronic laser, a transistor configured to modulate the electric current flowing through the at least one optoelectronic laser in order to switch on and off generation of the excitation radiation and a spectrometer configured to analyze Raman light scattered from the sample in response to exposing the sample to the excitation radiation, wherein the Raman light includes one or more spectral components, wherein the spectrometer includes a diffraction element configured to split the Raman light into the spectral components, and wherein the diffraction element includes at least a photonic crystal or a plasmonic Fabry Perot filter.
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公开(公告)号:US11480723B2
公开(公告)日:2022-10-25
申请号:US17475030
申请日:2021-09-14
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Peter Brick , Jean-Jacques Drolet , Hubert Halbritter , Laura Kreiner , Thomas Schwarz , Tilman Ruegheimer , Frank Singer
IPC: F21V8/00 , G02B27/01 , H01L25/075
Abstract: The invention relates to various aspects of a μ-LED or a μ-LED array for augmented reality or lighting applications, in particular in the automotive field. The μ-LED is characterized by particularly small dimensions in the range of a few μm.
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公开(公告)号:US20220254304A1
公开(公告)日:2022-08-11
申请号:US17677870
申请日:2022-02-22
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Thorsten Baumheinrich , Peter Brick , Jean-Jacques Drolet , Hubert Halbritter , Laura Kreiner , Jens Richter , Thomas Schwarz , Paul Ta , Kilian Regau , Christopher Soell , Hoa Vu , Christopher Wiesmann , Patrick Hoerner , Jong Park , Kanishk Chand
Abstract: The invention relates to various aspects of a μ-LED or a μ-LED array for augmented reality or lighting applications, in particular in the automotive field. The μ-LED is characterized by particularly small dimensions in the range of a few μm.
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公开(公告)号:US11233373B2
公开(公告)日:2022-01-25
申请号:US16480071
申请日:2018-01-18
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Peter Brick , Hubert Halbritter
Abstract: A radiation-emitting semiconductor arrangement includes at least one semiconductor body having an active region that generates a primary radiation, and includes a radiation conversion element, wherein the radiation conversion element converts the primary radiation at least partially into a secondary radiation during operation of the semiconductor arrangement, the radiation conversion element emits the secondary radiation at a narrow angle, the radiation conversion element emits the secondary radiation into a projected spatial angle of not more than π/5, and the semiconductor arrangement includes an optical deflector movable during operation of the semiconductor arrangement.
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公开(公告)号:US11156759B2
公开(公告)日:2021-10-26
申请号:US17039422
申请日:2020-09-30
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Peter Brick , Jean-Jacques Drolet , Hubert Halbritter , Laura Kreiner , Thomas Schwarz , Tilman Ruegheimer , Frank Singer
IPC: F21V8/00 , G02B27/01 , H01L25/075
Abstract: The invention relates to various aspects of a μ-LED or a μ-LED array for augmented reality or lighting applications, in particular in the automotive field. The μ-LED is characterized by particularly small dimensions in the range of a few μm.
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公开(公告)号:US11121291B2
公开(公告)日:2021-09-14
申请号:US16495241
申请日:2018-03-19
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Peter Brick , Hubert Halbritter , Mikko Perälä
IPC: H01L33/50 , H01L33/58 , H01L25/075 , H01L25/16 , G09F9/33
Abstract: A display device is disclosed. In an embodiment a device includes at least one optoelectronic semiconductor component configured to generate primary radiation, a plurality of pixels, wherein each pixel includes at least a first subpixel configured to generate radiation in a first spectral range and a second subpixel configured to generate radiation in a second spectral range different from the first spectral range, wherein the first and second subpixels are each assigned an active region of the semiconductor component; and a radiation conversion element arranged downstream of at least some of the active regions, wherein the radiation conversion element configured to at least partially convert the primary radiation into a secondary radiation and to radiate the secondary radiation at a narrow angle.
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77.
公开(公告)号:US20200067270A1
公开(公告)日:2020-02-27
申请号:US16461337
申请日:2017-12-18
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Martin Müller , Hubert Halbritter
Abstract: A surface-mountable semiconductor laser and an arrangement with such a semiconductor laser are disclosed. In one embodiment, the semiconductor laser is includes a semiconductor layer sequence having at least one generation region between a p-side and an n-side, at least two contact surfaces for external electrical contacting of the p-side and the n-side, wherein the contact surfaces are located on the same side of the semiconductor layer sequence in a common plane so that the semiconductor laser are contactable without bonding wires, at least one of a plurality of conductor rails extending from a side with the contact surfaces across the semiconductor layer sequence and a plurality of through-connections running at least through the generation region, wherein the generation region is configured to be pulse operated with time-wise current densities of at least 30 A/mm2.
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公开(公告)号:US20190312407A1
公开(公告)日:2019-10-10
申请号:US16302569
申请日:2017-05-16
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Hubert Halbritter , Andreas Wojcik
Abstract: The invention relates to an assembly comprising an electric component. The component has an electric part, a control circuit, and a capacitor. At least two lead frames are provided which are embedded into a housing. The part, the control circuit, and the capacitor are arranged on the lead frames, and the control circuit is designed to charge the capacitor and to supply the part with current from the capacitor in a clocked manner. The component has two contacts, and the component is arranged on a support. The support has an electrically conductive layer and the two contacts are connected to the layer in an electrically conductive manner. At least one first part of one lead frame is arranged at a greater distance from the electrically conductive layer than the second lead frame.
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公开(公告)号:US20190302469A1
公开(公告)日:2019-10-03
申请号:US16366558
申请日:2019-03-27
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Peter Brick , Hubert Halbritter , Mikko Perälä
IPC: G02B27/22 , H04N13/305
Abstract: A radiation-emitting device including a radiation source, an emission surface through which radiation from the radiation source passes during operation, wherein the emission surface includes a plurality of pixels, each pixel includes a plurality of subpixels, in plan view of the emission surface, each pixel forms a partial area of the emission surface and each subpixel forms a portion of such partial area, for each pixel, at least first subpixels are operable individually and independently of one another, and all subpixels of a pixel together make up at most 50% of the area of the pixel so that in simultaneous operation of all subpixels radiation is emitted via at most 50% of the area of the pixel.
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公开(公告)号:US20190215921A1
公开(公告)日:2019-07-11
申请号:US16328794
申请日:2017-08-30
Applicant: OSRAM Opto Semiconductors GmbH
Inventor: Andreas Wojcik , Hubert Halbritter , Josip Maric
Abstract: A driver circuit for at least one light-emitting optoelectronic component includes a control circuit having a capacitor and a control switch, wherein the control switch electrically connects to the component such that the component is supplied with current by the capacitor as a function of a switching state of the control switch, and a charging circuit having at least a first charging switch, a bias resistor and a buffer capacitor, wherein the charging circuit electrically connects to the capacitor and is configured to charge the capacitor through the bias resistor, and the buffer capacitor is linked to a connecting line between the bias resistor and the capacitor.
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