Abstract: Various embodiments may relate to a lighting system including a Power Supply Unit and at least one Light Engine Module, with an interface between the Light Engine Modules and the Power Supply Unit. The Light Engine Modules send pulses representing their current demand to the Power Supply Unit adjusting the output current accordingly. The Light Engine Modules are connected in parallel, and the pulse sequences are sent at the same time. Measures are taken to cope with interfered pulses.

Abstract: An LED lighting device, in particular an LED retrofit lamp, comprising a light-emitting means (2) having at least one LED (16) and a lampholder (1) for accommodating the light-emitting means (2), and at least one elastic element (12), which braces the light-emitting means (2) in the lampholder.

Abstract: A light module (1; 14), comprising a carrier (8, 10) for mounting at least one semiconductor source (5), in particular a light emitting diode, wherein: the carrier (8, 10) has a flexible printed circuit board (10), the flexible printed circuit board (10) is bonded face-to face to at least one base plate, (8) and the carrier (8, 10) can be bent along at least one predetermined bending line (3; 3a-3e), the base plate (8) can be bent along the at least one bending line, (3; 3a-3e), the base plate (8) has at least one cutout (9) along the bending line (3; 3a-3e) and the flexible printed circuit board (10) has at least one strip (11; 15) which crosses at least one of the cutouts (9).

Abstract: A luminous means (1) comprising a multiplicity of light emitting diodes (10) arranged in a manner distributed three-dimensionally and a screen (11) formed from a radiation-opaque or translucent material, wherein the screen (11) encloses the light emitting diodes at least in places, wherein the screen (11) has a multiplicity of perforations disposed downstream of the light emitting diodes (10) in the emission direction, and wherein light emitted by the light emitting diodes (10) during operation of the luminous means passes through the perforations (12).

Abstract: An optoelectronic module (1) having a reflector (4), which comprises an aperture (40) and a structured reflector surface (41), and having at least two connection carriers (3), on each of which there is arranged at least one component (2) provided for producing radiation. The connection carriers are arranged in the interior of the reflector. At least two components of the module exhibit different emission characteristics when the module is in operation, a main emission direction being assigned to each of the two components. The radiation emitted by the components in their respective main emission directions is deflected at least in part in the direction of the aperture by means of the structured reflector surface.

Abstract: A method for operating a high-pressure discharge lamp with a variable power is disclosed. Said method utilizing at least the following steps: (a) providing high-pressure discharge lamp, which has a nominal operating power; (b) operating the lamp with an instantaneous power, where the instantaneous power lies within relative lower and upper power limits, respectively, and said limits may depend on an average power, and said instantaneous power may lie within a predetermined absolute lower and upper power limit; (c) determining the average power from a one-sided moving average value of the instantaneous power or the exponential smoothing of the instantaneous power of a time segment of predefined length.

Abstract: A method for producing a phosphor layer or a phosphor body, comprising: applying a suspension comprising at least one solid phosphor and at least one alkali silicate to a substrate surface or into a mold to create a phosphor layer or a phosphor body; and curing the phosphor layer or the phosphor body.

Abstract: Various embodiments relate to a method for projecting a 3D image onto a projection surface, which includes a first and a second partial images for a right and left eyes of a first viewer, respectively. A first illumination beam, which has electromagnetic radiation of a predetermined first property, is produced depending on first image data. A second illumination beam, which has electromagnetic radiation of a predetermined second property different from the first property, is produced depending on second image data. The first and the second illumination beam are deflected towards the projection surface such that the first and the second illumination beams produce a first and a second beam spots thereon, respectively. The first and the second beam spots are moved across the projection surface such that the first and the second partial images are shown with the aid of the first and the second beam spot, respectively.

Abstract: An illumination device may include a heat sink, on which at least one light source is fastened at least indirectly, wherein the heat sink is held movably in a holder in such a way that the heat sink moves with greater difficulty in an energized state of the light source than in a de-energized state of the light source.

Abstract: Disclosed is an illuminating system of flexible shape and comprising at least one LED disposed on a flexible carrier material, an optic being provided that permits uniform, directed and/or glare-free light emission.

Abstract: The present invention relates to a control circuit for an illuminating device, characterized in that the control circuit comprises a detecting unit, a central control unit and an illumination mode control unit, the detecting unit detects ambient brightness and generates a detection signal, the central control unit controls the illumination mode control unit, according to the detection signal, to generate a plurality of first driving signal enabling the illuminating device to operate in a first illumination mode or a plurality of second driving signal enabling the illuminating device to operate in a second illumination mode. The control circuit can automatically adjust the illuminating device to be in different operation modes according to different ambient brightness.

Abstract: A lighting module may include a housing having an open rear side, a light source substrate with at least one light source arranged thereon, a driver circuit board accommodated in the housing, at least one electrical connection element for electrically connecting the driver circuit board to the light source substrate, and a closure element for closing the open rear side, wherein the closure element is designed for feeding through at least one electrical connection.

Abstract: A method for producing a lighting device may include: providing a first mount, fastening a second mount to the first mount, at least partially severing the second mount into at least two parts after fastening of the second mount to the first mount, and fastening at least two luminescence diode chips to that side of the second mount which is remote from the first mount.

Abstract: A dimmable LED driver adapted to be operated with a dimmer that is configured to generate a predetermined conductive angle, wherein the dimmable LED driver comprises: a rectifier configured to convert an alternating current output by the dimmer to a direct current, a buck PFC block configured to adjust an output voltage of the direct current so as to obtain a stable output voltage, a second buck DC/DC block configured to realize output of a constant current after the stable output voltage is realized, a dimming block configured to, after realizing output of the constant current, accomplish a dimming function jointly with the second buck DC/DC block, and an MCU configured to control the buck PFC block, the second buck DC/DC block and the dimming block.

Abstract: A linear lamp having a longitudinal bulb, in particular a glass bulb, wherein at least one socket is provided for electrical contacting and mounting of the linear lamp, and wherein at least one light-emitting diode is disposed in the bulb as a luminous element.

Abstract: A high-pressure discharge lamp comprising a lamp base (3), a discharge vessel, and components of an ignition device for igniting the gas discharge in the discharge vessel of the high-pressure discharge lamp (1), wherein the lamp base (3) comprises an interior in which the components of the ignition device are disposed, wherein at least the high-voltage components (500, 510, 520) of the ignition device form an assembly (5) disposed in the interior of the lamp base and having a dedicated housing (50).

Abstract: A light-emitting element may include at least one coding element. The coding element may have at least two switching states and an operating mode of the light-emitting element may be set on the basis of a switching state of the coding element.

Abstract: Various embodiments relate to a power factor controller based single-stage flyback driver and a light-emitting system. The driver includes a primary-side circuit, a secondary-side circuit, a power factor controller, a current feedback circuit, a voltage feedback circuit, and a feedback signal generation circuit, wherein, in the secondary-side circuit, the output voltage is divided using a first voltage division resistor and a second voltage division resistor so as to provide the sampling of the output voltage to the voltage feedback circuit, and the first voltage division resistor or the second voltage division resistor is connected in parallel with a compensation branch having a capacitive reactance.

Abstract: The invention relates to novel compounds as ligands for transition metal complexes and materials made thereof that can be used, for example, as emitters in organic light-emitting electrochemical cells (OLEECs). According to the invention, non-fluorinated electron-poor emitter materials are disclosed for the first time that can be used in organic light-emitting electrochemical cells.

Abstract: A semiconductor light-emitting module includes a housing, at least one cooling body accommodated in the housing wherein the cooling body is thermally connected to at least one semiconductor light source, an active cooling device accommodated in the housing, and at least one electronics unit accommodated in the housing, at least for actuating the at least one semiconductor light source, wherein the housing has a leadthrough opening, and the at least one semiconductor light source is arranged in the region of the leadthrough opening.