Abstract: A method of producing a semiconductor layer sequence includes providing a growth substrate having a growth surface on a growth side, growing a first nitride semiconductor layer on the growth side, growing a second nitride semiconductor layer on the first nitride semiconductor layer, wherein the second nitride semiconductor layer includes at least one opening or at least one opening is produced in the second nitride semiconductor layer or at least one opening is created in the second nitride semiconductor layer during the growing process, removing at least one part of the first nitride semiconductor layer through the openings in the second nitride semiconductor layer, and growing a third nitride semiconductor layer on the second nitride semiconductor layer, wherein the third nitride semiconductor layer covers the openings at least in places.
Type:
Grant
Filed:
February 24, 2015
Date of Patent:
September 12, 2017
Assignee:
OSRAM Opto Semiconductors GmbH
Inventors:
Joachim Hertkorn, Werner Bergbauer, Philipp Drechsel
Abstract: A vehicle light (1, 11) produces low-beam output using generally spherical distribution light source (7) with increased efficiency. The vehicle light (1) includes transmissive lens (2) through which light exits vehicle light (1); concave reflector (3); light occluding member (100) defining first sub-reflector (6); cut-off edge (4); and second sub-reflector (5). Concave reflector (3) extends upward above light occluding member (100) and directs low-beam light toward transmissive lens (2). Light occluding member (100) is disposed horizontally proximate a longitudinal axis of the vehicle light and low-beam light is reflected between concave reflector (3) and light occluding member (100) toward transmissive lens (2).
Abstract: Techniques are disclosed for controlling a system including one or more light-based communication (LCom)-enabled luminaires. In some cases, the system may include: one or more LCom-enabled luminaires; a light sensor configured to detect LCom signals emitted from the luminaires; a computing device operatively coupled to the light sensor and configured to decode data from the LCom signals; and a controller configured to control the light output from at least one of the luminaires. The techniques may include calibrating, detecting, or otherwise setting up the system, such that the computing device knows at least one of the unique identification and position of each luminaire in the system. Once the initial set up is completed, the system can be controlled in a number of ways, such as manually or automatically controlling the light output from the luminaires for various applications, such as providing ambient light that complements video or audio content.
Type:
Grant
Filed:
March 25, 2015
Date of Patent:
September 5, 2017
Assignee:
OSRAM SYLVANIA Inc.
Inventors:
Christian Breuer, Anant Aggarwal, Barry Stout
Abstract: The invention relates to a method for producing a plurality of optoelectronic components, comprising the following steps: —providing an auxiliary support wafer (1) having contact structures (4), wherein the auxiliary support wafer comprises glass, sapphire, or a semiconductor material, —applying a plurality of radiation-emitting semiconductor bodies (5) to the contact structures (4), —encapsulating an least the contact structures (4) with a potting mass (10), and —removing the auxiliary support wafer (1). The invention further relates to an optoelectronic component.
Type:
Grant
Filed:
December 12, 2013
Date of Patent:
September 5, 2017
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH
Inventors:
Tony Albrecht, Thomas Schlereth, Albert Schneider
Abstract: Various embodiments may relate to a method for forming a conductor path structure on an electrode surface of an electronic component. The method includes introducing electrically conductive metal particles into an insulating carrier material, producing a mixed composition by mixing the carrier material with the metal particles, applying the mixed composition to the electrode surface, separating the metal particles from the carrier material, allowing the metal particles to become attached to the electrode surface, fixing the metal particles attached to the electrode surface, and curing the carrier material.
Abstract: An optoelectronic component is provided. The optoelectronic component includes an electromagnetic radiation source including an optically active region designed for emitting a first electromagnetic radiation, and a converter structure, which includes at least one converter material and is arranged in the beam path of the first electromagnetic radiation. The at least one converter material is designed to convert at least one portion of the first electromagnetic radiation into at least one second electromagnetic radiation. The at least one second electromagnetic radiation has at least one different wavelength than the at least one portion of the first electromagnetic radiation. The converter structure is formed in a structured fashion in such a way that the converter structure has a predefined region, such that the at least one second electromagnetic radiation is emittable only from the predefined region. The predefined region has a smaller area than the optically active region.
Type:
Grant
Filed:
May 15, 2015
Date of Patent:
September 5, 2017
Assignee:
OSRAM OLED GMBH
Inventors:
Nina Riegel, Carola Diez, Andreas Rausch, Dominik Pentlehner, Georg Dirscherl
Abstract: A laminate and method for producing the laminate are provided for contacting at least one electronic component. An insulating layer is laminated between first and second metal layers electrically contacted to each other in at least one contact region. At least one recess in the contact region is generated with at least one embossing and/or bulging in the first metal layer. The distance between the two metal layers is reduced, such that dimensions of the embossing/bulging are sufficient for taking up the electronic component, which is inserted and connected into the embossing/bulging in a conductive manner therein. The electronic component is taken up in the embossing/bulging entirely with respect to its circumference and at least partly with respect to the height (H) of the electronic component. The laminate may be used as a circuit board, sensor, LED lamp, mobile phone component, control, or regulator.
Type:
Grant
Filed:
October 21, 2011
Date of Patent:
September 5, 2017
Assignee:
OSRAM Opto Semiconductors GmbH
Inventors:
Andreas Steffen Klein, Eckhard Ditzel, Frank Krüger, Michael Schumann
Abstract: A method of producing an optoelectronic semiconductor component includes providing a semiconductor body; applying a photoconductive layer on a radiation exit surface of the semiconductor body, wherein the semiconductor body emits electromagnetic radiation during operation; exposing at least one sub-region of the photoconductive layer with electromagnetic radiation generated by the semiconductor body; and depositing a conversion layer on the sub-region of the photoconductive layer by an electrophoresis process.
Abstract: An arrangement (1) for generating white light (5), having at least two light-emitting diodes, wherein the first diode (2) is designed to generate blue light, wherein a conversion element (4) is associated with the first diode, wherein the conversion element is designed to convert a part of the blue light from the first diode into green light, and wherein the conversion element is designed to convert a part of the blue light from the first diode into red light, wherein the second diode (3) is provided to emit red light.
Abstract: A method of producing an optoelectronic component includes providing an optoelectronic semiconductor chip having a mask layer arranged on an upper side of the optoelectronic semiconductor chip; providing a carrier having walls arranged on a surface of the carrier, the walls laterally limiting a receiving region; arranging an optoelectronic semiconductor chip in the receiving region, wherein a bottom side of the optoelectronic semiconductor chip faces the surface of the carrier; filling a region of the receiving region surrounding the optoelectronic semiconductor chip with an optically reflective material up to a height that lies between the upper side of the optoelectronic semiconductor chip and an upper side of the mask layer; removing the mask layer to create a free space in the optically reflective material; and introducing a wavelength-converting material into the free space.
Abstract: An organic light-emitting device includes a substrate, on which a transparent electrode and a further electrode are applied. An organic light-emitting layer is arranged between the electrodes. At least one optical scattering layer is arranged on a side of the transparent electrode facing away from the organic light-emitting layer.
Type:
Grant
Filed:
April 12, 2016
Date of Patent:
August 29, 2017
Assignee:
OSRAM OLED GmbH
Inventors:
Daniel Steffen Setz, Thilo Reusch, Nina Riegel
Abstract: An optoelectronic component includes a substrate, a first electrode on the substrate, a radiation-emitting or radiation-absorbing layer sequence on the first electrode, a second electrode on the layer sequence, an encapsulation layer on the second electrode, and a covering layer on the encapsulation layer. The covering layer has a first main surface and second main surface. At least one intended rupture surface is provided between the first and the second main surface of the covering layer.
Abstract: A display device with a semiconductor layer sequence includes an active region provided for generating radiation and a plurality of pixels. The display device also includes a carrier. The active region is arranged between a first semiconductor layer and a second semiconductor layer. The semiconductor layer sequence includes at least one recess, which extends from a major face of the semiconductor layer sequence facing the carrier through the active region into the first semiconductor layer and is provided for electrical contacting of the first semiconductor layer. The carrier includes a number of switches, which are each provided for controlling at least one pixel.
Abstract: A radiation-emitting component includes a radiation source; a transparent material disposed in the beam path of the component and including a polymer material and filler particles, wherein the filler particles include an inorganic filler material and a phosphonic acid derivative or phosphoric acid derivative attached to a surface thereof and through which the filler particles are crosslinked with the polymer material.
Type:
Grant
Filed:
April 5, 2013
Date of Patent:
August 29, 2017
Assignee:
OSRAM Opto Semiconductors GmbH
Inventors:
Kathy Schmidtke, Michael Kruppa, Bert Braune
Abstract: A lamp includes a lamp housing which has a light exit opening. A light source of a first type is arranged in the lamp housing. A mounting is fastened to the lamp housing and at least one light source of a second type is fastened to the holder. The at least one light source of the second type includes an organic light-emitting diode and the at least one light source of the second type is arranged downstream of the light exit opening in an emission direction.
Abstract: A solid state light source driver circuit that operates in either a buck convertor or a boost convertor configuration is provided. The driver circuit includes a controller, a boost switch circuit and a buck switch circuit, each coupled to the controller, and a feedback circuit, coupled to the light source. The feedback circuit provides feedback to the controller, representing a DC output of the driver circuit. The controller controls the boost switch circuit and the buck switch circuit in response to the feedback signal, to regulate current to the light source. The controller places the driver circuit in its boost converter configuration when the DC output is less than a rectified AC voltage coupled to the driver circuit at an input node. The controller places the driver circuit in its buck converter configuration when the DC output is greater than the rectified AC voltage at the input node.
Abstract: Techniques are disclosed herein for a lighting interface system configured to adjust tunable lighting characteristics output by one or more lighting devices based on a plurality of simple, intuitive touch-gestures without necessarily providing visual indicators via a display screen or other feedback elements. The lighting interface system may be implemented as a relatively simple touchpad device that may be wall-mounted and/or portable depending on a desired configuration. The lighting interface system may be configured to capture user-gestures via the touchpad device and translate the same into target lighting characteristics and an adjustment value to adjust each of the target lighting characteristics thereby. User gestures may be adjustably mapped to lighting characteristics including, for example, intensity, color temperature, hue and color saturation.
Abstract: In one embodiment, the method is configured for producing optoelectronic semiconductor components (1) and includes the steps of: providing a leadframe assembly (20) with a multiplicity of leadframes (2), each having at least two leadframe parts (21, 22); forming at least a part of the leadframe assembly (20) with a housing material for housing bodies (4); dividing the leadframe assembly (20) between at least one part of the columns (C) and/or the rows (R), wherein the leadframes (2) remain arranged in a matrix-like manner; equipping the leadframes (2) with at least one optoelectronic semiconductor chip (3); testing at least one part of the leadframes (2) equipped with the semiconductor chips (3) and formed with the housing material after the step of dividing; and separating to form the semiconductor components (1) after the step of forming and after the step of testing.
Type:
Grant
Filed:
May 3, 2013
Date of Patent:
August 22, 2017
Assignee:
OSRAM OPTO SEMICONDUCTORS GMBH
Inventors:
Thomas Schlereth, Michael Bestele, Christian Gaertner, Tobias Gebuhr, Hans-Christoph Gallmeier, Peter Holzer, Karlheinz Arndt, Albert Schneider
Abstract: Methods and systems are described for sampling an LCOM message and accurately reconstructing the entire LCOM message using a light receiver (e.g., digital camera) of a typical mobile computing device, such as a smartphone, tablet, or other mobile computing device. These including receiving segments of an LCOM signal from at least two repetitions of the LCOM signal. The location of each segment within the LCOM signal is identified and each segment is stored in a corresponding location in a buffer configured to have a length equal to the LCOM signal. The buffer is a ring buffer, in some embodiments.
Type:
Grant
Filed:
September 30, 2015
Date of Patent:
August 22, 2017
Assignee:
OSRAM SYLVANIA Inc.
Inventors:
Christian Breuer, Anant Aggarwal, Barry Stout
Abstract: Various embodiments may relate to an optoelectronic component, including an optoelectronic structure, which is designed to provide a first electromagnetic radiation, and a measuring structure, which is designed to measure electromagnetic radiation, wherein the measuring structure has an optically active structure and at least one electro-optical structure. The optically active structure is optically coupled to the optoelectronic structure. The optically active structure is designed to absorb an electromagnetic radiation in such a way that the optically active structure produces a measured signal from the absorbed electromagnetic radiation. The absorbed electromagnetic radiation at least partially includes the first electromagnetic radiation and/or at least one second electromagnetic radiation of an external radiation source.