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Osram Sylvania Inc
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Osram Sylvania Inc patents


Recent patent applications related to Osram Sylvania Inc. Osram Sylvania Inc is listed as an Agent/Assignee. Note: Osram Sylvania Inc may have other listings under different names/spellings. We're not affiliated with Osram Sylvania Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Osram Sylvania Inc-related inventors


Organic lighting device and lighting equipment

A luminous means comprising a substrate having a first main surface, to which a first electrode is applied, a second electrode, an organic layer stack within an active region of the substrate between the first and the second electrode, wherein the organic layer stack comprises at least one organic layer... Osram Sylvania Inc

Active damping circuit

An active damping circuit and system including the same are disclosed. The active damping circuit includes a first resistor, a second resistor, a third resistor, a first transistor, a second transistor, a capacitor, and a microcontroller. The first resistor is connected to a base of the first transistor, and to... Osram Sylvania Inc

Led light source with diffuser

There is herein described a light source that homogenizes the light produced by a large area array of forward directed LEDs mounted on highly reflective substrate, while achieving a low-profile form factor and maintaining high efficacy. The LED light source employs a diffuser comprised of two diffusing layers: a low... Osram Sylvania Inc

Solid state light source driver establishing buck or boost operation

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.... Osram Sylvania Inc

Edge assembly for attaching to flexible substrates

There is described an edge assembly for attaching to flexible substrates. An example assembly may comprise at least a first edge component and a compression retainer component. The first edge component may include at least one conductor to mate with one or more conductors on a surface of a flexible... Osram Sylvania Inc

Formable three-dimensional lighting devices

A formed lighting device having a shape that extends in three dimensions is provided. The formed lighting device includes a formed flexible substrate having a shape, and a stretchable conductive trace located on the formable flexible substrate. A plurality of solid state light sources are attached to the stretchable conductive... Osram Sylvania Inc

Multi-standard lighting control interface circuit

Lighting control interface techniques and corresponding circuitry are provided. The techniques include receiving a first signal potentially representative of a first lighting control signal, and receiving a second signal potentially representative of a second lighting control signal, and determining if either of the first and second signals complies with a... Osram Sylvania Inc

Reconstructing light-based communication signals captured with a rolling shutter image capture device

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... Osram Sylvania Inc

Output current configuration based on load connection

A driver port that provides selectable output currents based on connections thereto, and a driver including the same, is provided. A plurality of shunt resistors are connected in series between a negative output of a driver and a ground. A driver port having a plurality of connection points is provided,... Osram Sylvania Inc

Flexible interconnection between substrates and a multi-dimensional light engine using the same

Flexible interconnection between substrates, where the substrates include one or more solid state light sources, mounted at varying angles are provided. A multi-dimensional lighting device is formed using such substrates. The multi-dimensional lighting device includes external mounting surfaces, each configured to provide mounting positions for one or more substrates. A... Osram Sylvania Inc

Enclosure with grommetless strain relief

Enclosures with grommetless strain relief are provided, each including a base and a cover. The base has a bottom and four sidewalls arranged to provide an open box-like structure. A first of the sidewalls of the base is configured with a wire routing slot at its perimeter. The cover has... Osram Sylvania Inc

Techniques for gesture-based control of color-tunable lighting

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... Osram Sylvania Inc

Energy delivery on paths used for communnication

Systems and methods for delivering energy on a bus used for communication between devices are provided. Systems and methods dynamically provide a predetermined recovery time between communication messages calculated from forward and response message types and/or length, and a model of the energy reserve in the network devices to allow... Osram Sylvania Inc

Commissioning a luminaire with location information

Techniques are disclosed for programming a luminaire with location information, referred to herein as commissioning. Location information may include relative location information (e.g., the position of the luminaire relative to a reference point) and/or absolute location information (e.g., global coordinates for the luminaire). A commissioned luminaire can be configured to... Osram Sylvania Inc

Conductor pad for flexible circuits and flexible circuit incorporating the same

A conductor pad and a flexible circuit including a conductor pad are provided. The conductor pad includes a first contact region, a second contact region, and a body portion configured to establish a conductive path between the first contact region and the second contact region. The body portion includes a... Osram Sylvania Inc

Techniques for indoor navigation with hazard avoidance via light-based communication

Techniques are disclosed for enhancing indoor navigation using light-based communication (LCom). In some embodiments, an LCom-enabled luminaire configured as described herein may include or have access to a sensor configured to detect a hazardous condition. In response to detection of a hazard, the LCom-enabled luminaire may adjust its light output,... Osram Sylvania Inc

Techniques for indoor navigation with emergency assistance via light-based communication

Techniques are disclosed for enhancing indoor navigation using light-based communication (LCom). In some embodiments, an LCom-enabled luminaire configured as described herein may include access to a sensor configured to detect a given hazardous condition. In response to detection of a hazard, the LCom-enabled luminaire may adjust its light output, transmit... Osram Sylvania Inc

Techniques for raster line alignment in light-based communication

Techniques are disclosed for providing proper raster line alignment of a camera or other light-sensing device of a receiver device relative to a transmitting light-based communication (LCom)-enabled luminaire to establish reliable LCom there between. In accordance with some embodiments, proper alignment can be provided automatically (e.g., by the receiver device... Osram Sylvania Inc

Heat-based human presence detection and tracking

Techniques are disclosed for detecting human presence using IR sensor data. In some embodiments, any activity in a space monitored (imaged) by an IR sensor can be determined by calculating the delta between average image frames acquired by the imaging sensor. A finite value of delta implies activity/presence. In some... Osram Sylvania Inc

Method of making a ceramic wavelength converter assembly

There is herein described a method for forming a ceramic wavelength converter assembly which achieves a direct bonding of an alumina-based ceramic wavelength converter to an alumina-based ceramic substrate such as polycrystalline or sapphire. The method comprises applying a silica-containing layer between the converter and the substrate and then applying... Osram Sylvania Inc

Vehicle headlamp and light-injecting accent lamp combination and method

An accent lamp (10) having a solid state light source (4), such as LEDs, is attachable to a rear surface of an automotive headlamp (40) opposite the light-generating capsule (44). Accent lamp (10) has first retaining member (20), such as a clamp, formed above printed circuit board (8) on which... Osram Sylvania Inc

Attachable vehicle accent lamp

An accent lamp (10) having a solid state light source (4), such as LEDs, is attachable to a rear surface of an automotive headlamp (40) opposite the light-generating capsule (44). Accent lamp (10) has first retaining member (20), such as a clamp, formed above printed circuit board (8) on which... Osram Sylvania Inc

Vehicle headlamp with light passage

An accent lamp (10) having a solid state light source (4), such as LEDs, is attachable to a rear surface of an automotive headlamp (40) opposite the light-generating capsule (44). Accent lamp (10) has first retaining member (20), such as a clamp, formed above printed circuit board (8) on which... Osram Sylvania Inc

Integrated light engines including flexible optics and flexible light sources

An integrated light engine including flexible optics and a flexible light source, and lighting devices including the same, are provided. The integrated light engine includes a flexible light source configured to emit light, and flexible optics coupled to the flexible light source. The flexible optics beam shapes light emitted by... Osram Sylvania Inc

Hybrid optical systems including flexible optical systems and light control films

A hybrid optical system, and lighting devices including the same, are provided. The hybrid optical system includes a cellular optical element a light control film. The cellular optical element includes a first opening, a second opening, and a space defined therebetween. The light control film includes a single layer of... Osram Sylvania Inc

Circuits for phase-cut analog dimming of solid state light sources

Circuits to provide phase-cut analog dimming of solid state light sources are presented. Each circuit comprises an anchoring circuit to communicate with a dimming controller circuit, the anchoring circuit having a proportional direct current (DC) voltage input, a biasing voltage input, a connection to a ground reference, and an output... Osram Sylvania Inc

Techniques for position-based actions using light-based communication

Techniques are disclosed for position-based actions using light-based communication (LCom). LCom signals can be used to encode or otherwise provide data which in turn can be used to help determine the position of a device receiving those LCom signals. Therefore, LCom can be used to facilitate various actions based on,... Osram Sylvania Inc

Light-based communication (lcom) visual hotspots

Techniques are disclosed for projecting visible cues to assist with light-based communication (LCom), the visible cues referred to herein as visual hotspots. The visual hotspots can be projected, for example, using a luminaire that may be LCom-enabled. The visual hotspots may be projected onto the floor of an area including... Osram Sylvania Inc

Light control films and lighting devices including same

Light control films, and lighting devices including the same, are disclosed. The light control films include a single layer of light transmitting material having a first side and a second side. A plurality of first microstructures are formed in the first side. The first microstructures are configured to receive incident... Osram Sylvania Inc

Techniques for augmenting gps-based navigation via light-based communication

Techniques are disclosed for augmenting global positioning system (GPS)-based navigation via light-based communication (LCom). In accordance with some embodiments, a light-sensing device, such as a camera or an ambient light sensor configured as described herein, may be used to detect an LCom signal transmitted by a local LCom-enabled solid-state luminaire.... Osram Sylvania Inc

Techniques for indoor navigation with occupancy tracking and location tracking via light-based communication

Techniques are disclosed for enhancing indoor navigation using light-based communication (LCom). In some cases, an LCom-enabled luminaire configured as described herein may acquire user data from a local computing device and relay it to a server that tracks and analyzes the data to assess statistics for the luminaire's local spatial... Osram Sylvania Inc

Identifying and controlling light-based communication (lcom)-enabled luminaires

Techniques are disclosed for identifying and controlling light-based communication (LCom)-enabled luminaires. In some cases, the techniques include a luminaire communicating its ID to a computing device via one or more LCom signals. In some cases, a user may be able to aim a rear-facing camera of a smartphone at the... Osram Sylvania Inc

Lamp optic for use in led-based lamp

A lamp optic (100) for a lamp includes a proximal end (104), a distal end (106) and a longitudinal axis (L). The proximal end (104) has a proximal inner side wall (112) linearly extending toward the distal end (106) and intersecting a proximal flat portion (114). The distal end (106)... Osram Sylvania Inc

Dynamic control of switching frequency in a switch mode power converter

A controller dynamically identifies a switching frequency based power converter output load condition, input voltage, and/or temperature. The controller updates the operating switching frequency to the identified target switching frequency when the identified switching frequency is sufficiently different than a current operating switching frequency of the power converter. In this... Osram Sylvania Inc

Digitally compensated hysteretic power supply with enhanced resolution

A digitally compensated hysteretic power supply with enhanced resolution is provided. Such a power supply includes a comparator that is used to compare a load current sense signal with an internal signal generated from a digital-to-analog converter (DAC). A compensation circuit at a DAC input operates to improve current accuracy... Osram Sylvania Inc

03/30/17 / #20170093489

Reconstructing light-based communication signals captured with a rolling shutter image capture device

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... Osram Sylvania Inc

03/30/17 / #20170093490

Sub-sampling raster lines in rolling shutter mode for light-based communication

Light-based communication (LCom) techniques are disclosed for decoding LCom signals using a sub-raster line sampling process. In accordance with an embodiment, a system is provided that is configured to sub-sample each raster line to capture data at a much faster sampling rate, which in turn allows for longer LCom messages... Osram Sylvania Inc

03/30/17 / #20170093491

Adaptive baud rate in light-based communication

Light-based communication (LCom) techniques are disclosed for adaptively adjusting the baud rate of a luminaire to optimize the LCom signal transmitted for an intended receiver device. The adaptive baud rate can be adjusted by a process that includes, for example: determining decoding parameters of the receiver device, the device including... Osram Sylvania Inc

03/30/17 / #20170093663

Wireless mesh network health determination

Methods and system to determine the health of wireless mesh networks are provided. Each radio node of a wireless mesh network transmits Link Quantification Messages (LQMs) interPAN at maximum power to enable adjacent nodes to determine the Received Signal Strength Indication (RSSI) on the wireless link to that radio node.... Osram Sylvania Inc

03/30/17 / #20170093716

Route optimization using star-mesh hybrid topology in localized dense ad-hoc networks

Optimized routing in localized dense networks is provided. A packet is received at a first network device in a network. An optimal route for the packet to a neighbor network device in the network is determined using a Source Routing Table (SRT), wherein the SRT includes an optimized routing table... Osram Sylvania Inc

03/30/17 / #20170094494

Active proximity based wireless network commissioning

Active proximity based wireless network commissioning is provided. Routers and end devices are placed in a default mode before commissioning such that the devices are communicative but do not transmit join requests. A commissioning device is positioned at a selected location and transmits a wireless beacon request that is received... Osram Sylvania Inc

03/30/17 / #20170094738

Controller for a phase cut dimmable led driver

A control scheme for a dimmable lighting driver is provided. The control scheme may operate with a phase cut type dimmer (leading or trailing edge). In an embodiment, the control scheme is programmed or otherwise configured into a controller as a control algorithm. The control algorithm is configured to measure... Osram Sylvania Inc

03/30/17 / #20170094750

Lighting system that self detects the relative physical arrangement of its sources

Systems and methods are disclosed that allow a lighting system to self-determine the relative positions of its different light sources. Direct light source to light source distances are measured and trilateration is used to locate each light source in three dimensional space. The relative position of each light source is... Osram Sylvania Inc

03/23/17 / #20170082263

Collimating metalenses and technologies incorporating the same

Metalenses and technologies incorporating the same are disclosed. In some embodiments, the metalenses are in the form of a hybrid multiregion collimating metalens that includes a first region and a second region, wherein the hybrid multiregion collimating metalens is configured to collimate (e.g., visible) light incident thereon. In some instances... Osram Sylvania Inc

03/16/17 / #20170079096

Driving a multi-color luminaire

Embodiments are disclosed for driving a multi-color solid state light source luminaire so as to maintain a color point as temperature varies within a given range. An array of solid state light sources includes two or more strings and is driven by a single constant current source. The array is... Osram Sylvania Inc

03/09/17 / #20170067612

High efficency vehicle light featuring concave reflector and sub-reflector for generating low-beam output

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... Osram Sylvania Inc

03/02/17 / #20170059107

Thin wall internal reflection light optic

An example lamp optic comprises a light guide (100) to receive light from a light source (108) and generate a light beam via internal reflection. The light guide includes a proximal end (104) to receive the light and a distal end (106) to emit the light beam. An optical axis... Osram Sylvania Inc

03/02/17 / #20170059115

Led array on partially reflective substrate within dam having reflective and non-reflective regions

A packaged light emitting device 100 that allows enhanced light cutoff in lighting applications to better control glare and optimize lumen output. Packaged device 100 includes both a reflective dam region 34 and a non-reflective dam region 36 to increase output of useful light while mitigating reflection of light that... Osram Sylvania Inc

03/02/17 / #20170059116

Led array within asymmetric cavity having reflective and non-reflective regions

A packaged light emitting device 100 that allows enhanced light cutoff in lighting applications to better control glare and optimize lumen output. Packaged device 100 includes an LED array 4 in cavity 32 whose inner wall includes both a reflective wall portion 34 and a non-reflective wall portion 36 to... Osram Sylvania Inc

03/02/17 / #20170063240

Dc-dc flyback converter with primary side auxiliary voltage output

A DC-DC flyback converter includes a transformer and a switching component connected between the transformer and a ground. The switching component controls current flow through the primary winding of the transformer. A snubber circuit is connected between ground and the connection between the transformer and the switching component. The snubber... Osram Sylvania Inc

03/02/17 / #20170064820

Shaped substrate with arrangement of solid state light sources

A substrate for a solid state lighting module has a plurality of serrated finger sections extending from an interconnecting base. The substrate may be formed from a single rectangular sheet by cutting away material between adjacent finger sections of a symmetrical second substrate to form the finger sections of the... Osram Sylvania Inc

02/02/17 / #20170031080

Edge-lit stepped light guide for downlight module

A light guide 2 for a ceiling downlight module 1 provides a batwing light distribution in a compact, flat form factor using edge-lit source light injection. A plurality of solid state light sources 16 inject light from peripheral side surface 12 inward into light guide 2 which has a disc-shaped... Osram Sylvania Inc

01/19/17 / #20170015901

Ceramic phosphor target

There is herein described a ceramic phosphor target which may be used in a laser-activated remote phosphor application. The target comprises a substantially flat ceramic phosphor converter comprised of a photoluminescent polycrystalline ceramic which is attached to a reflective metal substrate by a high thermal conductivity adhesive.... Osram Sylvania Inc

01/19/17 / #20170018689

Composite ceramic wavelength converter and light source having same

There is herein described a composite ceramic wavelength converter having a first phase of an α-SiAlON:Eu phosphor and a second phase of a β-SiAlON:Eu phosphor. The converter may be used in a phosphor-converted light emitting diode to form a light source having a correlated color temperature (CCT) from 2000K to... Osram Sylvania Inc








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