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Ledvance Gmbh patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Ledvance Gmbh-related inventors


Commissioning, decommissioning and testing of a smart sensor-driven led lighting system without gateway

The lighting system enables the communication and thereby the creation and/or expansion of a network between a sensor and any number of light sources. The network preferably enables the monitoring and controlling of the light sources by the sensor via a wireless communication. ... Ledvance Gmbh

Method of control of power supply for solid-state lamp

A light emitting element control circuit and power supply for a solid state lamp includes an electrical control circuit controller which enables the operation of a solid state lamp in three distinct modes, which allows the user significant flexibility in operation of the lamp. It enables the user to operate the lamp with a fixed emission spectrum but with intensity control (mode i); or with discrete settings of blue only or red only or a fixed ratio of the two (mode ii); or an on-demand ratio of blue to red emission whereby the user can operate the lamp with any arbitrary ratio of blue to red for example to meet different spectral requirements of, for example, different phases of plant growth (mode iii).. ... Ledvance Gmbh

Solid-state horticultural lamp

A solid-state horticultural lamp is disclosed. The lamp emits a spectrum of light including a first local emission peak between 400-500 nm and a first spectral power distribution (spd) intensity and a second local emission peak between 500-600 nm and a second spd intensity, wherein the second spd intensity normalized to the first spd intensity is between 0.15-0.35. ... Ledvance Gmbh

Semiconductor tubular lamp, tube therefor, and production method

A tube for a semiconductor tubular lamp is disclosed, which tube has at least one holding projection for holding at least one printed circuit board on the inside of the tube, wherein the tube is a glass tube, and the at least one holding projection is an inwardly bulging, reshaped burling region of the tube. A semiconductor tubular lamp has a tube and at least one printed circuit board fitted with a semiconductor light source, which is accommodated in the tube and is held transversely to a longitudinal direction of the tube by means of at least one burling region in a form-fitted manner. ... Ledvance Gmbh

Apparatus and method of automated assembly of an led lamp

An apparatus for an led lamp includes an optic device. At least one light engine wire is connected to the optic device and mounted at least partially external to the optic device. ... Ledvance Gmbh

Lamp and method for assembling a lamp

A lamp is provided, the lamp comprising at least one led module and a first housing part, wherein the led module is sealed to the first housing part against environmental influences jointly by a first sealing member and a sealing compound.. . ... Ledvance Gmbh

Lighting device, led module for a lighting device, and method for assembling a lighting device

A lighting device (1) is provided, comprising at least one led module (11, 12), which is connected to a retainer (2), and a driver (3) that is electrically connected to the led module (11, 12), wherein the driver (3) is at least partially cast by a potting material (5) wherein the driver (3) is connected to the retainer (2) via an adaptor board (32) that is positioned in between the driver (3) and the retainer (2).. . ... Ledvance Gmbh

Retaining structure for a light engine

Various embodiments may relate to an led retrofit lamp, including a lamp tube, an led light engine disposed in the lamp tube, and end caps arranged at two open ends of the lamp tube, the led light engine including a circuit board and at least one light source disposed on the circuit board. The led retrofit lamp further includes one pair of retaining structures fixed at two opposite ends of the circuit board, respectively, and at least one pair of elastic tension structures connected to the retaining structures. ... Ledvance Gmbh

Solid-state circadian rhythm lamp and related control techniques

A solid-state circadian rhythm lamp and related control techniques are disclosed. The lamp may have a night/pre-sleep emissions mode in which it emits light having a correlated color temperature (cct) of about 1,800-2,300 k, the spectral power ratio of blue light (400-495 nm) being such that it constitutes about 10% or less of the total light emitted. ... Ledvance Gmbh

Light emitting diode driving circuit and light emitting diode lighting device

The led driving circuit includes: a detecting circuit that detects whether an input current of the driving circuit is low or high frequency; a first stage converter that converts the input of the driving circuit to provide a dc power suitable for the led; a first feedback loop that is activated by a low frequency current, to convert a current from a led load to a feedback voltage and feed it back to the first stage converter, wherein in the first feedback loop, the feedback voltage changes as a function of the current of the led load; and a second feedback loop that is activated by high frequency current, to convert the current from the led load to the feedback voltage and feed it back to the first stage converter, wherein in the second feedback loop, the feedback voltage changes as a function of the current of the led load.. . ... Ledvance Gmbh

Lighting system

A lighting system is provided. The lighting system includes at least one light-emitting diode and a monitoring output, and a fault signal is present at the monitoring output in the event of a defect of the light-emitting diode during operation of the lighting system. ... Ledvance Gmbh

Led filament for omnidirectional lamp

A led filament for an omnidirectional lamp comprises two longitudinal filament sections, and each filament section includes a plurality of leds. The two filament sections are electrically conductively connected by a flexible connecting section. ... Ledvance Gmbh

Luminous means having leds

The present invention relates to a luminous means (1) comprising an enveloping bulb (3), a base (4), a first led (21a) and a second led (21b), which are assembled on a planar printed circuit board (2), to be precise on the opposite sides (20) thereof in relation to a thickness direction, wherein a first diverging lens (5a) is mounted on the first side (20a) of the printed circuit board (2) in a manner assigned to the first led (21a) and a second diverging lens (5b) is mounted on the second side (20b) of the printed circuit board (2) in a manner assigned to the second led (21b) for the purposes of homogenizing the light distribution generated by the luminous means (1), and the light emitted by the respective led (21) has a widened luminous intensity distribution downstream of the respective diverging lens (5) in comparison with upstream of the respective diverging lens (5).. . ... Ledvance Gmbh

Lighting means comprising leds

The present invention relates to a lighting means (71) comprising at least two leds (3) mounted on apposite sides (21a, b) of a flat printed circuit board (1), said printed circuit board (1) being combined with a reflector (2) which is free of leds, a part of the light emitted by each led (3) being reflected by the reflector (2) to homogenize the light distribution generated by the lighting means (71), and specifically in each case with a directional component parallel to a surface direction (24) of the flat printed circuit board (1).. . ... Ledvance Gmbh

04/12/18 / #20180100624

Luminous means having leds

The present invention relates to a luminous means (1) having a cap (6) and an outer bulb (5) in which leds (3) are arranged on a flat multilayer substrate (2) which is constructed, at least in regions, from at least two substrate layers (81) between two outside surfaces (4) which are opposite one another, wherein the at least two substrate layers (81) are formed from a flat substrate sheet (21) which is laid back on itself, and wherein the leds (3) are mounted on a side surface (84) of the substrate sheet (21), which at least proportionally forms the two outside surfaces (4) of the multilayer substrate (2) in each case on account of the substrate sheet (21) being laid back, in such a manner that at least one of the leds (3) is mounted in each case on both of the two outside surfaces (4) of the multilayer substrate (2).. . ... Ledvance Gmbh

03/29/18 / #20180087724

Luminous means having leds

The present invention relates to a luminous means (1) having leds (23) on a substrate (2), an outer bulb (3) in which the substrate (2) having the leds (23) is arranged, and a cap (4), wherein at least two partial surfaces (2a) of the substrate (2) are folded out with respect to the remaining substrate (2b) around a bridge area (25) in each case, via which the particular partial surface (2a) is connected to the remaining substrate (2b), and are thus set obliquely with respect to the remaining substrate (2b) which is flat per se, wherein, for each side surface of the remaining substrate (2b), which side surfaces are opposite one another with respect to a thickness direction of the remaining substrate (2b), at least one partial surface (2a) is folded out in each case, and wherein at least one of the leds (23) is arranged on each of the partial surfaces (2a).. . ... Ledvance Gmbh

03/22/18 / #20180084633

Optoelectronic assembly, and method for producing an optoelectronic assembly

An optoelectronic assembly (10) is provided in different embodiments. The optoelectronic assembly (10) has the following; a printed circuit board (12); at least one optoelectronic first component (20) which is arranged on a first face (14) of the printed circuit board (12); a heat sink (24) which has a first surface (26) that is arranged on a second printed circuit board (12) face (16) facing away from the first component (20), wherein a boundary surface (34) extends between the second face (16) and the first surface (26); and at least one first welding connection (30), by means of which the heat sink (24) is directly connected to the printed circuit board (12) in a bonded manner and which together with the boundary surface (34) forms a first cut surface (36), the first component (20) at least partly overlapping the cut surface.. ... Ledvance Gmbh

03/22/18 / #20180080613

Lighting means comprising leds

The present invention relates to a lighting means (71) comprising at least two leds (3), mounted on opposite sides (21a, b) of a flat printed circuit board (1), said printed circuit board (1) being combined with a reflector (2) which is free of leds, a part of the light emitted by each led (3) being reflected by the reflector (2) to homogenize the light distribution generated by the lighting means (71), and specifically in each case with a directional component parallel to a surface direction (24) of the flat printed circuit board (1).. . ... Ledvance Gmbh

03/22/18 / #20180080612

Led lighting device having an improved led holder

A lighting device comprises a holder for led filaments. The holder has a first electrically conductive holding structure and a second electrically conductive holding structure. ... Ledvance Gmbh

03/22/18 / #20180080611

Lighting device with improved connection to the power supply

A lighting device includes a translucent bulb and a light engine arranged in said bulb. The bulb comprises a base with two connection wires for connecting the light engine. ... Ledvance Gmbh

02/22/18 / #20180051864

Led-based clean room lighting

A lighting device for room lighting in photolithography applications (in particular a retrofit lamp in sizes t5 and t8) comprises a light engine having a first light source which is configured to emit light in the wavelength range above approximately 500 nm and a second light source which is configured to emit light in a different wavelength range from the first light source. The first light source produces light in a spectral range within which photoresists used in photolithography are not sensitive. ... Ledvance Gmbh

02/08/18 / #20180038557

Lighting device with lens

A lighting device (in particular an mr-16 or a par-16 lamp) comprises a housing and a lens. A light module having a light source and a driver is attached to the lens. ... Ledvance Gmbh

02/01/18 / #20180031222

End cap for illuminating device and illuminating device comprising the same

The present invention relates to an end cap (100) for an illuminating device and an illuminating device comprising the same, wherein the end cap comprises a housing (1) and a drive structure (2) partially arranged within the housing, wherein the drive structure is configured to drive an electric switch (3) arranged within the housing, wherein the drive structure (2) comprises a first drive part (21) exposed from a first surface of the housing and a second drive part (22) exposed from a second surface of the housing, wherein when the first drive part is located in a first position, the first drive part locks the second drive part, and when the first drive part is moved to a second position in a first direction, the first drive part unlocks the second drive part such that the second drive part can switch-on the electric switch upon the second drive part is moved in a second direction.. . ... Ledvance Gmbh

01/18/18 / #20180020521

Systems and methods to control light color temperature during dimming

Systems to control light color temperature during dimming are disclosed. A power supply drives a load include a first light source (e.g., to emit a first color of light) and a second light source (e.g., to emit a second color of light). ... Ledvance Gmbh

01/04/18 / #20180007752

Drive device for illuminating device, illumination device, lighting system and method for controlling the lighting system

The present invention relates to a drive device for an illuminating load, an illumination device, a lighting system and a method for controlling the lighting system, wherein the drive device is connected between the illuminating load and a power adapter device for power supply, wherein the drive device comprises a control unit, wherein the control unit is configured to adjust the impedance of the drive device according to an electric output signal measured from the illuminating load so as to accordingly adjust the output voltage of the power adapter device and thereby to adjust the electric output signal for the illuminating load.. . ... Ledvance Gmbh

12/21/17 / #20170365967

Electric connector and illuminating device comprising the electric connector

The present invention relates to an electric connector and an illuminating device comprising this electric connector, wherein the electric connector comprises a housing and an end cap connected to the housing, wherein an conductor which can be connected to a power supply is arranged in the end cap, wherein the conductor comprises a stationary part and a movable part, wherein the conductor is rotatable relative to the housing along with the end cap from a first position to a second position, wherein the movable parts at least partially retract into the stationary part in the first position, and at least one movable part extends out of the stationary part in the second position so as to be in electric connection with a power consumption component arranged in the housing.. . ... Ledvance Gmbh

11/30/17 / #20170343164

Light emitting diode (led) lamp with top-emitting leds mounted on a plannar pc board

Led lamp 10 includes a housing, a mounting base, a light engine (le) 16, light-transmissive cover 20 circumscribing the le, and reflector 18. The le comprises a plurality of top-emitting led packages (te-led packages) mounted on planar upper surface 32 of pc board 26, each configured to emit light having an angular distribution centered around a principal light-emitting direction (pled) normal to an emission face 45. ... Ledvance Gmbh

01/26/17 / #20170023224

End cap and lighting device having same

An end cap for a solid-state lighting device is described that provides an electrical connection(s) between an external power source and at least one solid-state emitter disposed in a hollow member of the lighting device. An outer wall extends a first distance and an inner wall extends a second distance from an inward-facing side of the end cap base. ... Ledvance Gmbh








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