Abstract: Various embodiments may relate to a synchronous rectifier including at least one rectifier cell, to which power is supplied via a secondary winding of a transformer arranged between the input connections of the synchronous rectifier. The rectifier cell comprises a bipolar main switch operated in the inverse mode, wherein an energy store is provided in the base line of the bipolar main switch, which energy store, in conjunction with an auxiliary switch which is concomitantly controlled by the relevant secondary winding for the bipolar main switch, ensures that the main switch is switched off prior to the end of the inverse phase.

Abstract: Various embodiments may relate to a load driving circuit and an illumination apparatus including the same. The load driving circuit includes a Single-Ended Primary Inductor Converter (SEPIC) converter adapted to convert an input system voltage into a DC output voltage, and a BUCK converter 200 adapted to regulate a current and provide the regulated current to a load. The load driving circuit further includes a first diode and a second diode which are connected so that the SEPIC converter and the BUCK converter share one switch. According to various embodiments, it is possible to obtain constant current output characteristics and high power factor with a simple circuit structure and a low cost.

Abstract: In various embodiments, a lamp is provided. The lamp may include a mounting board; at least one semiconductor light source arrangement arranged on the mounting board and comprising a base, which is provided with base contacts for supplying energy to the at least one semiconductor light source arrangement and which is compatible with a standardized incandescent lamp base; and at least one insulation displacement contact to make electrical contact with the at least one semiconductor light source arrangement.

Abstract: Various embodiments may relate to a drive circuit for an illuminating device and an illuminating device including the drive circuit. The drive circuit includes a main control unit, configured to control power supply to a light-emitting unit, an output unit, connected with the main control unit and comprising a first output terminal and a second output terminal which supply power to the light-emitting unit, and a detecting unit, connected with the output unit for detecting a hot-plug state to obtain a detecting state, wherein the main control unit controls the power supply to the light-emitting unit according to the detecting state.

Abstract: A laser component includes a housing in which a first carrier block is arranged. A first laser chip having an emission direction is arranged on a longitudinal side of the first carrier block. The first laser chip electrically conductively connects to a first contact region arranged on the first carrier block and a second contact region arranged on the first carrier block. There is a respective electrically conductive connection between the first contact region and a first contact pin of the housing and between the second contact region and a second contact pin of the housing.

Abstract: An electronic half-bridge ZETA converter may include a transformer, wherein a half-bridge is connected to the primary winding of transformer, and wherein a respective capacitance and a respective diode are associated with the half-bridge switches. Moreover, the converter includes a ZETA converter which is connected to secondary winding of transformer, so that the ZETA converter includes a first inductance, which includes the magnetization inductance of transformer, and a second inductance. Finally, the converter includes a control unit which drives the half-bridge switches with four time intervals that are repeated periodically. Specifically, during the fourth time interval the first and the second switch are opened, so that the capacitance associated with said second switch is charged and the capacitance associated with said first switch is discharged, enabling a zero voltage switching.

Abstract: A lighting device comprising light radiation sources (12a, 12b, 12c, 12d) arranged in a plurality of cells (CI, C2, C3, C4) wherein each cell comprises at least one light radiation source, an output screen (16) for receiving light radiation from said light radiation sources (12a, 12b, 12c, 12d), and optical elements (18, 20) arranged between said cells (CI, C2, C3, C4) and said screen (16) so as to convey onto said screen (16) with a uniformly distributed intensity the light radiation produced by said light radiation sources (12a, 12b, 12c, 12d), the illumination of said screen (16) resulting from the superimposition of light radiation individually produced by the cells of said plurality (CI, C2, C3, C4).

Abstract: A light module may include a conversion means, which is designed to absorb excitation radiation having a first wavelength of an absorption spectrum and to convert it into light having a second wavelength of an emission spectrum. The light module includes an excitation radiation source designed to emit excitation radiation. The excitation radiation source is arranged in such a way that emitted excitation radiation can be radiated at least indirectly onto the conversion means. The light module includes a spectral filter having a long-pass filter characteristic and having a limiting wavelength. The spectral filter is designed and arranged to reduce the emission spectrum having the second dominant wavelength to the output spectrum having the first dominant wavelength. The conversion means has an emission spectrum having a red spectral component and having a second dominant wavelength and having a full width at half maximum of at least 120 nm.

Abstract: A light source arrangement is provided. The light source arrangement may include a plurality of semiconductor laser light sources arranged in such a way that the laser light emitted by the semiconductor laser light sources is aligned in parallel, and a deflection unit configured to collect and influence all beam paths of the laser light emitted by the semiconductor laser light sources so as to form a beam. The deflection unit has a first mirror element with a concavely curved surface, which is embodied to capture and reflect the laser light emitted by the semiconductor laser light sources by the surface. The light source arrangement may further include a second mirror element with a convexly curved surface, which is embodied to capture and focus the laser light reflected by the first mirror element.

Abstract: Various embodiments may relate to a drive circuit of an illumination device. The drive circuit has an output terminal connected to a load of the illumination device. The drive circuit includes a power supply, a boost control unit connected to an output terminal of the power supply, a main control unit connected to the boost control unit, and a load current control unit connected between the main control unit and the load, and including a switch unit. The switch unit includes a first sub switch unit, which is configured to switch according to a dimming control signal from the main control unit, and further includes a second sub switch unit connected to the first sub switch unit. The second sub switch unit is configured to be turned on in a situation where the first sub switch unit is turned on so as to turn off the first sub switch unit.

Abstract: In various embodiments, a connector for lighting devices including an elongate planar support member having a front surface with electrically conductive lines and at least one electrically-powered light radiation source thereon, is provided. The connector includes a C-shaped body having a web portion and two side portions, said C-shaped body locatable astride said planar support member with said web portion facing said front surface, and electrical contact means extending from said web portion between said side portions configured to contact electrically conductive lines on said front surface of said planar support member.

Abstract: A lighting device is provided with a pump radiation source for emitting pump radiation, a first phosphor element for converting the radiation into a first conversion light, a second phosphor element for generating a second conversion light, and a coupling-out mirror arranged downstream of the first element in a beam path with at least part of the first light. The first light is a broadband conversion light having components in first and second spectral ranges, and the coupling-out mirror is transmissive only in one of the two ranges such that, lights having first and second spectral components in the first and second spectral ranges are separated. The second element is arranged in a beam path with the light having the second component and, in response to this excitation, emits the second light, which can be used jointly with the light having the first component in order to increase the efficiency.

Abstract: A lighting device for a headlight for generating a light emission pattern in a far field is provided. The lighting device includes at least two phosphor surfaces arranged rotationally movably between different positions, and at least one light source spaced apart from the phosphor surfaces and serving for emitting primary light for illuminating a portion of the phosphor surfaces. An associated predetermined light emission pattern is generatable in respectively exactly one predetermined position of the phosphor surfaces.

Abstract: In various embodiments, a lighting device is provided. The lighting device includes at least one light source for emitting primary light, at least one phosphor body which is illuminatable by the primary light and is spaced apart from the at least one light source, and at least one light scattering body which is situated optically downstream of the phosphor body in a light propagation direction of the primary light that is uninfluenced by the phosphor body. The lighting device is designed in the case of an intact phosphor body to generate an illumination pattern by light generated by the phosphor body, and otherwise to generate a light emission pattern by light generated by the at least one light scattering body. The light emission pattern differs from the illumination pattern.

Abstract: In various embodiments, a street lighting device with a first light source for illuminating the street plane from above is provided. The device may include a second light source located at a closer position to the street plane than said first light source; a sensor sensitive to the occurrence of conditions of reduced ambient visibility; and a controller connected to said sensor and capable of activating said second light source in the presence of said conditions of reduced ambient visibility.

Abstract: A projection device for projecting at least one image onto a projection surface is provided. According to the present disclosure, a control device of the projection device is designed, on the basis of an evaluation of at least one measured value of a measuring device of the projection device determined during a drive of a discharge lamp of the projection device with a current waveform to be checked, to check the current waveform in respect of its suitability for minimizing an electrode burn-back of a first electrode and a second electrode, and in the case of a positive check result, to retain the checked current waveform, and in the case of a negative check result, depending on a checked commutation vector characterizing the checked current waveform, to create, by means of a specifiable algorithm, a modified commutation vector that characterizes a modified current waveform.

Abstract: Various embodiments may relate to a lens for an illumination device. The lens includes a bottom wall, a top wall, and a circumferential wall. The circumferential wall connects the bottom wall and the top wall. A plurality of regions of the bottom wall respectively arch towards the top wall to define at least one first accommodation cavity having an inner wall as a first incident surface, and at least one second accommodation cavity having an inner wall as a second incident surface. The first and second incident surfaces are designed as different curved surfaces for receiving first incident light and second incident light, respectively. Various embodiments further relate to an illumination device including the lens.