Munich, Germany
Munich, Germany

OSRAM Licht AG is a multinational lighting manufacturer headquartered in Munich, Germany. It is a world-leading lighting manufacturer.OSRAM was founded in 1919 by the merger of the lighting businesses of Auergesellschaft, Siemens & Halske and Allgemeine Elektrizitäts-Gesellschaft . On 5 July 2013, OSRAM was spun off from Siemens, the listing of the stocks began on 8 July 2013 on Frankfurt Stock Exchange. Wikipedia.

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Patent
Osram | Date: 2017-01-11

The semiconductor lamp (1) is equipped with a heat sink (2, 3) which has a first part (2) and a second part (3) connected to each other by way of a press fit and which together delimit a receptacle (10, 12) for a driver (5), the first part (2) having an insert region (8) for insertion into the second part (3), which insert region consists of spring elements (21) that can be pushed inwards. The invention is particularly useful for retrofit lamps, in particular incandescent or halogen retrofit lamps.


The invention relates to a circuit arrangement for operating a load, comprising an input for supplying an alternating system input voltage, a rectifier circuit, a converter circuit which converts the alternating system input voltage rectified by the rectifier circuit into an output voltage, a control circuit for controlling the converter circuit, and a linear regulating circuit which sets a predefined load current on the load, said load current being a direct current. The control circuit controls the converter circuit in such a way that the intensity of the load current is reduced when the output voltage is at a minimum.


Patent
Osram | Date: 2017-05-17

A semiconductor lamp (1) has at least one semiconductor light source (8) arranged on a front face (7) of a substrate (6) and a driver circuit (11) for activating the at least one semiconductor light source (8), at least part of the driver circuit (11) being secured on a rear face (10) of the substrate (6), facing away from the at least one semiconductor light source (8). The invention can be used, in particular, for retrofit lamps, in particular incandescent- or halogen retrofit lamps.


An organic light-emitting diode (10) is described, comprising a first light-emitting segment (1) and at least a second light-emitting segment (2), wherein the light-emitting segments (1, 2) are provided for emitting radiation with different brightnesses and have a common first electrode (11) and a common second electrode (12), wherein - the first electrode (11) has at least one separating line (8) which does not completely cut through the first electrode (11), - an electrical conductivity of the first electrode (11) is reduced in the region of the separating line (8), - the separating line (8) separates the first light-emitting segment (1) from the second light-emitting segment (2), and - the second light-emitting segment (2) has during operation a lesser brightness than the first light-emitting segment (1).


Patent
Osram | Date: 2016-12-28

The lighting apparatus (1) comprises at least one primary light source (2) for generating primary light (P), a reflector (7-9) having two spaced-apart focal spots (BF1, BF2), a guiding optical unit (3) disposed downstream of the at least one primary light source (2) and serving for guiding the primary light (P) to a first focal spot (BF1) of the reflector (7-9), and a conversion device (10-16) for at least partly converting the primary light (P) into secondary light (S) having a different wavelength which is situated at the second focal spot (BF2), wherein the reflector (7-9) has a first reflective partial region (8), to which the two focal spots (BF1, BF2) are assigned, and a second reflective partial region (9), which is a partial region retroreflective for the second focal spot (BF2), and wherein the primary light (P) emitted by the at least one primary light source (2) is incident on the first partial region (8). The invention is applicable in particular to the field of vehicle lighting systems, in particular exterior lighting, e.g. for generating an additional light, a daytime running light, etc.


A lighting device (10), e.g. for greenhouse lighting, includes a substrate (12) with an array (14) of electrically-powered light radiation sources, e.g. power LEDs. The sources of array (14) are arranged in a first set (140) and in a second set (142) to emit a blue radiation and a red radiation, respectively.


A substrate (10) for mounting electrically-powered light radiation sources, e.g. LED sources, includes a base layer (12) of electrically-insulating material, such as PET, and a contact layer (141, 142) of electrically conductive material, e.g. copper. The contact layer includes a mounting area for a light radiation source having opposed anode and cathode terminals, including two portions (141, 142) with a gap (143) therebetween. Therefore, the light radiation source may be mounted bridge-like across gap (143), with anode and cathode terminals soldered to respective soldering surfaces (S1, S2) provided in the one (141) and the other (142) of said two portions (141, 142) of the mounting area. The latter portions include respective solder flow blocking formations including fork-shaped apertures (161, 162) in contact layer (141, 142) leaving base layer (12) uncovered. The fork-shaped apertures (161, 162) have a web portion (1610, 1620) and prongs (1612, 1622) extending from web portion (1610, 1620) towards said soldering surfaces (S1, S2).


A lens for lighting devices includes a lens body (10) of light permeable material, e.g. glass or moulded plastics, with first (10a) and second (10b) mutually opposed surfaces. On the first surface (10a) of lens body (10) there are arranged two arrays of rib formations (220, 240) lying on opposed sides, e.g. mirror-symmetrically, with respect to a transversal line (16) of the lens body (10), which extend alongside of said transversal line (16) and have a first side facing towards transversal line (16) and a second side facing away from transversal line (16). Moreover, the rib formations (220, 240) have a concavity facing away from said transversal line (16), said concavity increasing from the rib formations nearest to transversal line to the rib formations farthest from transversal line (16).


Patent
Osram | Date: 2017-09-13

A lighting device (10) includes:- a channel-shaped housing (20), e.g. of an extruded plastic material, extending in a longitudinal direction and having a mouth portion (30) for emitting light radiation,- a light radiation source module (10) arranged in said housing (20), said light radiation source module (10) including a laminar support member bent to a channel shape and opening towards the mouth portion (30) of the housing (20). The laminar support member is bent at one or more bending lines extending in the longitudinal direction of housing (20), thus partitioning the laminar support member in a plurality of stripes, with the provision of at least one stripe with electrically-powered light radiation sources (L), e.g. LED sources, arranged therealong.


Method for controlling lighting sources (1, 2, ..., n), said lighting sources having at least one operating parameter, which is controllable in at least one lighting sequence as a function of a time code data set coupled with said sequence, the method including:- providing a data repository (SP) of operating data files for said sources coupled with said lighting sources with each data file including at least one time code data set for at least one lighting sequence for a respective one of said lighting sources,- retrieving in said data repository at least one operating data file coupled with a selected one of said lighting sources, and- operating the selected lighting source by controlling said at least one operating parameter as a function of the operating data included in the operating data file retrieved.

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