Patents Assigned to Osram Opto Semiconductors
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Patent number: 9059353Abstract: An optoelectronic device having an active layer that includes a multiplicity of structural elements spaced apart from one another laterally, wherein the structural elements each have a quantum well structure including at least one barrier layer composed of Inx1Aly1Ga1-x1-y1N, wherein 0?x1?1, 0?y1?1 and x1+y1?1, and at least one quantum well layer composed of Inx2Aly2Ga1-x2-y2N, wherein 0?x2?1, 0?y2?1 and x2+y2?1.Type: GrantFiled: August 30, 2012Date of Patent: June 16, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Simeon Katz, Bastian Galler, Martin Strassburg, Matthias Sabathil, Philipp Drechsel, Werner Bergbauer, Martin Mandl
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Patent number: 9059423Abstract: An electronic component (100), which comprises a substrate (1), at least one first electrode (3) arranged on the substrate (3) and a growth layer (7) on the side of the electrode (3) remote from the substrate (7), wherein the electrode (7) arranged on the growth layer (3) comprises a metal layer (9) with a thickness of less than or equal to 30 nm and the growth layer (7) has a thickness which is less than or equal to 10 nm. An electrical contact is also disclosed.Type: GrantFiled: July 15, 2010Date of Patent: June 16, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Dirk Becker, Thomas Dobbertin, Thilo Reusch, Erwin Lang
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Patent number: 9055655Abstract: A method of producing an optoelectronic semiconductor chip includes providing a semiconductor layer sequence with at least one active layer, providing a one-piece conversion medium body, wherein a matrix material is incompletely crosslinked and/or cured, and wherein the conversion medium body exhibits at room temperature a hardness of Shore A 0 to Shore A 35 and/or a viscosity of 10 Pa·s to 150 Pa·s, placing the conversion medium body onto the semiconductor layer sequence such that they are in direct contact with one another, and curing the conversion medium body wherein after curing the hardness of the conversion medium body is Shore A 30 to Shore D 80.Type: GrantFiled: August 10, 2010Date of Patent: June 9, 2015Assignee: OSRAM Opto Semiconductors GmbHInventor: Bert Braune
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Patent number: 9054487Abstract: A semiconductor stripe laser has a first semiconductor region having a first conductivity type and a second semiconductor region having a different, second conductivity type. An active zone for generating laser radiation is located between the semiconductor regions. A stripe waveguide is formed in the second semiconductor region and is arranged to guide waves in a one-dimensional manner and is arranged for a current density of at least 0.5 kA/cm2. A second electrical contact is located on the second semiconductor region and on an electrical contact structure for external electrical contacting. An electrical passivation layer is provided in certain places on the stripe waveguide. A thermal insulation apparatus is located between the second electrical contact and the active zone and/or on the stripe waveguide.Type: GrantFiled: November 27, 2013Date of Patent: June 9, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Adrian Stefan Avramescu, Clemens Vierheilig, Christoph Eichler, Alfred Lell, Jens Mueller
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Patent number: 9054016Abstract: A radiation-emitting semiconductor chip includes a carrier and a semiconductor body having a semiconductor layer sequence, wherein an emission region and a protective diode region are formed in the semiconductor body having the semiconductor layer sequence; the semiconductor layer sequence includes an active region that generates radiation, the active region being arranged between a first semiconductor layer and a second semiconductor layer; the first semiconductor layer is arranged on a side of the active region which faces away from the carrier; the emission region has a recess extending through the active region; the first semiconductor layer in the emission region is electrically conductively connected to a first connection layer, wherein the first connection layer extends in the recess from the first semiconductor layer toward the carrier; and the first connection layer in the protective diode region is electrically conductively connected to the second semiconductor layer.Type: GrantFiled: October 29, 2009Date of Patent: June 9, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Jürgen Moosburger, Norwin von Malm, Patrick Rode, Lutz Höppel, Karl Engl
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Patent number: 9052094Abstract: In at least one embodiment of the semiconductor light source (1), the latter comprises at least two planar elements (2). The planar elements (2) each contain a semiconductor material for producing ultraviolet or visible radiation (R) when the semiconductor light source (1) is in operation. The radiation (R) is in this case emitted at precisely one major face (3) of the planar elements (2). The reflectivity of the planar elements (2) for visible radiation, when the semiconductor light source (1) is not in operation, amounts to at least 80%. The planar elements (2) furthermore exhibit an average diameter (L) of at least 10 mm. Furthermore the major faces (3) of the planar elements (2) are arranged at an angle (?) to one another and facing one another. The angle (?) between the major faces (3) amounts in this case to between 30° and 120° inclusive.Type: GrantFiled: June 30, 2010Date of Patent: June 9, 2015Assignee: OSRAM Opto Semiconductors GmbHInventor: Benjamin Claus Krummacher
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Patent number: 9054279Abstract: A plastic housing is arranged on a carrier element and is provided with a recess in which an optoelectronic component is arranged. On the side facing away from the carrier element, the recess has an opening to the outside which can be provided with a transparent cover. One or more structures can be provided on the plastic housing in order to orient the cover and/or optical components relative to the optoelectronic component.Type: GrantFiled: January 9, 2008Date of Patent: June 9, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Georg Bogner, Stefan Gruber, Thomas Zeiler, Markus Kirsch
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Patent number: 9048631Abstract: A laser light source having a ridge waveguide structure includes a semi-conductor layer sequence having a number of functional layers and an active region that is suitable for generating laser light during operation. At least one of the functional layers is designed as a ridge of the ridge waveguide structure. The semiconductor layer sequence has a mode filter structure that is formed as part of the ridge and/or along a main extension plane of the functional layers next to the ridge and/or perpendicular to the main extension plane of the functional layers below the ridge.Type: GrantFiled: April 18, 2012Date of Patent: June 2, 2015Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Christoph Eichler, Dimitri Dini, Alfred Lell
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Patent number: 9048630Abstract: A semiconductor laser diode includes a substrate. A semiconductor layer sequence on the substrate has at least one active layer designed for generating laser light that is emitted along an emission direction during operation. At least one filter layer has a main extension plane that is parallel to a main extension plane of the active layer and that is designed to scatter and/or absorb light that propagates in the semiconductor layer sequence and/or the substrate in addition to the laser light.Type: GrantFiled: September 19, 2013Date of Patent: June 2, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Bernhard Stojetz, Alfred Lell, Christoph Eichler
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Patent number: 9046258Abstract: In at least one embodiment, an optoelectronic lighting module includes a circuit board, which an opening passes right through. The circuit board includes fastening devices for mechanically fastening the lighting module to an external heat sink. A carrier of the lighting module is mounted in the opening. At least one optoelectronic semiconductor chip is located on a carrier top and is connected electrically to the circuit board via the carrier. The circuit board is moreover connected firmly mechanically with the carrier. The circuit board is additionally designed to exert a mechanical force on the carrier and to press the carrier against the external heat sink. The carrier is designed to rest with a carrier bottom flat against the external heat sink.Type: GrantFiled: June 24, 2011Date of Patent: June 2, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Frank Singer, Thomas Haug, Alexander Sauerer
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Patent number: 9046673Abstract: An optoelectronic apparatus includes an optical device with an optical structure including a plurality of optical elements and a concentrator which is a hollow body having a reflective inner area, and a radiation-emitting or radiation-receiving semiconductor chip with a contact structure including a plurality of contact elements that make electrical contact with the semiconductor chip and are spaced apart vertically from the optical structure, wherein the contact elements are arranged in interspaces between the optical elements upon projection of the contact structure into a plane of the optical structure, wherein the concentrator has an aperture on a side facing the semiconductor chip that is smaller than a side facing away from the semiconductor chip, and the optical structure is arranged on a side of the concentrator facing the semiconductor chip.Type: GrantFiled: February 11, 2014Date of Patent: June 2, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Peter Brick, Julius Muschaweck, Joachim Frank
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Patent number: 9048383Abstract: The invention relates to a light-emitting diode chip, comprising an n-type semiconductor layer (3), a p-type semiconductor layer (4), an active region (2) between the n-type semiconductor layer (3) and the p-type semiconductor layer (4), a lateral surface (14), which limits the n-type semiconductor layer (3), the p-type semiconductor layer (4) and the active region (2) in a lateral direction, and a doped region (1), in which a dopant is introduced into a semiconductor material of the light-emitting diode chip, and/or comprising a neutralized region (1), wherein the doped region (1) and/or the neutralized region (1) are formed at the lateral surface (14) at least in the region of the active region, and the light-emitting diode chip is intended to emit incoherent electromagnetic radiation during operation.Type: GrantFiled: June 17, 2011Date of Patent: June 2, 2015Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Bernd Mayer, Wolfgang Schmid
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Patent number: 9048393Abstract: An optoelectronic component including a connection carrier including an electrically insulating film at a top side of the connection carrier, an optoelectronic semiconductor chip at the top side of the connection carrier, a cutout in the electrically insulating film which encloses the optoelectronic semiconductor chip, and a potting body surrounding the optoelectronic semiconductor chip, wherein a bottom area of the cutout is formed at least regionally by the electrically insulating film, the potting body extends at least regionally as far as an outer edge of the cutout facing the optoelectronic semiconductor chip, and the cutout is at least regionally free of the potting body.Type: GrantFiled: May 28, 2010Date of Patent: June 2, 2015Assignees: OSRAM Opto Semiconductor GmbH, Heraeus Materials Technology GmbH & Co. KGInventors: Michael Zitzlsperger, Eckhard Ditzel, Jörg Erich Sorg
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Patent number: 9041020Abstract: The invention relates to an optoelectronic semiconductor component, comprising a substrate-free optoelectronic semiconductor chip (1), which has a first main surface (1a) on an upper face and a second main surface (1b) on a lower face, and a metal carrier (2), which is arranged on the lower face of the optoelectronic semiconductor chip (1), wherein the metal carrier (2) protrudes over the optoelectronic semiconductor chip (1) in at least one lateral direction (1) and the metal carrier (2) is deposited on the second main surface (1b) of the optoelectronic semiconductor chip (1) using a galvanic or electroless plating method.Type: GrantFiled: July 27, 2011Date of Patent: May 26, 2015Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Siegfried Herrmann, Helmut Fischer
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Patent number: 9041014Abstract: A method of producing an optoelectronic component includes providing a semiconductor chip having an active layer that generates radiation and is arranged on a carrier, applying a dispersed material including a matrix material and particles embedded therein to the semiconductor chip and/or the carrier at least in regions, wherein before the dispersed material is applied, at least one chip edge of the semiconductor chip facing away from the carrier is modified such that the dispersed material at least partly separates into its constituents during application at the chip edge.Type: GrantFiled: March 15, 2012Date of Patent: May 26, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Markus Maute, Jürgen Moosburger, Simon Jerebic
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Patent number: 9040112Abstract: A solution-processed organic electronic structural element has an improved electrode layer. Located between the active organic layer and the electrode layer there is either an interface or an interlayer containing a cesium salt.Type: GrantFiled: May 9, 2012Date of Patent: May 26, 2015Assignee: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Andreas Kanitz, Ralph Pätzold, Wiebke Sarfert, Riikka Suhonen
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Publication number: 20150129901Abstract: An optoelectronic semiconductor chip and a method for producing an optoelectronic semiconductor chip are disclosed. In an embodiment an optoelectronic semiconductor chip includes a support having a support top side, a semiconductor layer sequence having an active layer for generating electromagnetic radiation, wherein the active layer is located between an n-type n-layer and a p-type p-layer of the semiconductor layer sequence, wherein the semiconductor layer sequence, as seen in a plan view of the support top side, is patterned into emitter regions arranged next to one another and electrical conductor tracks located on a side of the semiconductor layer sequence facing away from the support, where the electrical conductor tracks include contact surfaces. The chip further includes an n-contact point and a p-contact point for electrically contacting the semiconductor chip, wherein the emitter regions are electrically connected in series via the at least two conductor tracks.Type: ApplicationFiled: June 27, 2013Publication date: May 14, 2015Applicant: OSRAM OPTO SEMICONDUCTORS GMBHInventors: Lutz Höppel, Norwin von Malm
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Patent number: 9029878Abstract: A lighting device with front carrier, rear carrier and plurality of light-emitting diode chips, which when in operation emits light and releases waste heat, wherein rear carrier is covered at least in selected locations by front carrier, light-emitting diode chips are arranged between rear carrier and front carrier to form array, light-emitting diodes are contacted electrically by rear and/or front carrier and immobilized mechanically by rear carrier and front carrier, front carrier is coupled thermally conductively to light-emitting diode chips and includes light outcoupling face remote from light-emitting diode chips, which light outcoupling face releases some of waste heat released by light-emitting diode chips into surrounding environment, each light-emitting diode chip is actuated with electrical nominal power of 100 mW or less when lighting device is in operation and has light yield of 100 lm/W or more.Type: GrantFiled: January 17, 2011Date of Patent: May 12, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Matthias Sabathil, Norwin von Malm, Lutz Hoeppel, Stefan Illek, Bernd Barchmann, Patrick Rode
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Patent number: 9029177Abstract: An optoelectronic semiconductor chip has a first semiconductor layer sequence which comprises a multiplicity of microdiodes, and a second semiconductor layer sequence which comprises an active region The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.Type: GrantFiled: December 23, 2010Date of Patent: May 12, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Rainer Butendeich, Alexander Walter, Matthias Peter, Tobias Meyer, Tetsuya Taki, Hubert Maiwald
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Patent number: 9029902Abstract: A semiconductor device includes a radiation-emitting semiconductor chip, a carrier substrate and a film. The carrier substrate has electrically conductive contact tracks on a top side. The film is arranged on a radiation exit side of the chip, the radiation exit side being remote from the carrier substrate, and on the top side of the carrier substrate and has electrically conductive first conductor tracks. The film has perforations arranged such that the semiconductor chip can be electrically contact-connected to the first contact track of the carrier substrate via the first conductor track of the film.Type: GrantFiled: September 27, 2011Date of Patent: May 12, 2015Assignee: OSRAM Opto Semiconductors GmbHInventors: Magnus Ahlstedt, Johann Ramchen