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 embodiment may relate to a lighting device, including a light mixing element having a light entry surface and a light exit surface, multiple light sources, the primary light of which can be is radiated onto the light entry surface, a wavelength conversion unit having a carrier, on which a luminescent volume is arranged, which luminescent volume can be is illuminated by means of the primary light emitted by the light exit surface, and at least one decoupling optical unit for forming useful light emitted by the wavelength conversion unit, which has at least one non-imaging safety region. The multiple light sources radiate the primary light thereof at an angle onto the light entry surface. The at least one safety region occupies a position on the decoupling optical unit which corresponds to a region of high intensity of the primary light in the case of remote luminescent volume.

Abstract: A light-emitting diode module for emitting white light includes a first light emitting diode chip for generating radiation in the blue spectral range having a first peak wavelength, a second light emitting diode chip for generating radiation in the blue spectral range having a second peak wavelength, a third light emitting diode chip for generating radiation in the red spectral range having a third peak wavelength, a first and a second phosphors disposed downstream of the first and the second light emitting diode chips, respectively. The first light emitting diode chip with the first phosphor generates a first mixed radiation and the second light emitting diode chip with the second phosphor generates a second mixed radiation. The first phosphor exhibits a first absorption maximum at a wavelength greater than the first peak wavelength. The second phosphor exhibits a second absorption maximum at a wavelength less than the second peak wavelength.

Abstract: A light source arrangement is provided. The light source arrangement may include a plurality of semiconductor laser light sources, each having an optical axis. The semiconductor laser light sources are arranged in such a way that their optical axes are oriented parallel to one another so that respective laser light emission sides of the semiconductor laser light sources point in the same spatial direction. The light source arrangement may further include a deflection unit configured to collect and influence beam paths of the laser light emitted by the semiconductor laser light sources in order to form a beam bundle. The semiconductor laser light sources are arranged on a surface of a carrier, distributed at least two-dimensionally over the surface.

Abstract: An LED module includes a first and a second partial chain of LEDs, wherein the LED module has a first input terminal and a second input terminal, via which said LED module is connectable to a light emitting diode module connected upstream or to a voltage source, and wherein the LED module has a first output terminal and a second output terminal, via which the LED module is connectable to a LED module connected downstream, a parallel-connecting terminal, which is connectable to the first input terminal for the purpose of connecting the two partial chains in parallel, wherein a first intermediate terminal connected to an output of the first partial chain and a second intermediate terminal connected to an input of the second partial chain are provided, which are connectable to one another for the purpose of connecting the two partial chains in series.

Abstract: In various embodiments, a lighting apparatus is provided. The lighting apparatus includes at least one light generating device configured to generate at least one polarized primary light beam; and at least one luminescent body, separated from the at least one light generating device, which can be illuminated by the polarized primary light beam. The at least one polarized primary light beam strikes a surface of the luminescent body at a Brewster angle, and is p-polarized in relation to this surface.

Abstract: An LED module includes a carrier plate having an arrangement face and a wall on the upper side of the plate, the wall running peripherally around the arrangement face and being raised upwards with respect to said arrangement face; an LED arranged on the face; a contact element, to which the LED is connected; and an at least partially transparent potted body covering the arrangement face and the LED towards the top and laterally adjoins an inner face of the wall. The wall is formed monolithically with the remaining carrier plate and is interrupted over its periphery, and the potted body does not adjoin the inner wall face of the wall. The contact element extends away from the arrangement face along the upper side of the carrier plate in the interruption region so that electrical contact can be made with the LED via the contact element from outside the body.

Abstract: The present invention relates to a connector device for an illumination apparatus and an illumination apparatus comprising this connector device. The connector device comprises a stationary element for connecting to the illumination apparatus, a first movable element for connecting to a power supply, a second movable element rotatably connected to the stationary element, and a locking element arranged between the stationary element and the second movable element, wherein rotation of the second movable element in a first direction drives the locking element to release locking of the second movable element, and when the second movable element continues to be rotated in the first direction and drives the first movable element to rotate together, rotation of the first movable element enables the locking element to release locking of the first movable element.

Abstract: A boost power factor correction circuit, a driving circuit for light-emitting diodes and a lighting device are provided. The boost power factor correction circuit includes: a PFC controller; a PFC switch controlled by an output of the PFC controller; and an equivalent variable resistor connected between the PFC switch and the ground. A feedback current input of the PFC controller is connected to a node between the PFC switch and the equivalent variable resistor. The resistance of the equivalent variable resistor is controlled by the output voltage of the PFC circuit. In case that the PFC circuit operates under an mains AC or CCG input, the resistance keeps constantly minimum, and in case that the PFC circuit operates under an ECG input, the resistance increases as the output voltage of the PFC circuit decreases.

Abstract: Various embodiments may relate to a Light Engine Module including a plurality of series connected LEDs, a positive power supply line, a common ground line, a communication line, a current set resistor) coupled to the communication line, with its value of conductance being indicative for the current demand of the Light Engine Module, and a variable current generator connected to the communication line. The variable current generator is responsive to at least one measurement signal provided by at least one sensor. Various embodiments may further relate to a Power Supply Unit, and a lighting system including the Power Supply Unit with at least one Light Engine Module.

Abstract: Various embodiments may relate to an LED lighting device, including at least one mint-colored light-emitting diode, at least one amber-colored light-emitting diode and at least one yellow light-emitting diode and/or blue light-emitting diode.

Abstract: In different embodiments, a low-pressure discharge lamp (1) is provided. The low-pressure discharge lamp has a discharge vessel (2) and a coating structure (7). The coating structure is formed on an inner face of the discharge vessel (2). The coating structure (7) has first fluorescent particles (34) which have at least one fluorescent substance that emits red light and the average particle size of which ranges from 0.5 ?m to 1.9 ?m, second fluorescent particles (36) which have at least one fluorescent substance that emits green light and the average particle size of which ranges from 0.6 ?m to 2.8 ?m or from 1 ?m to 4 ?m, and third fluorescent particles (38) which have at least one fluorescent substance that emits blue light and the average particle size of which ranges from 1 ?m to 4 ?m.

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 illumination device includes a wavelength converting element having a matrix material, at least one phosphor, and a thermochromic dye component or a phase change medium component.

Abstract: A zoom unit (1) of a light engine (5), comprising at least one lens (2), at least one first reflector (3) and at least one second reflector (4), other at least one lens (2) receives a collimated beam (LI) from a light source unit (6) of the light engine (5), the collimated beam (LI) being incident on the first reflector (3) after being converged by the lens (2), and being incident on the second reflector (4) after being reflected by the first reflector (3), to produce an output beam (L4) with its beam angle changed.

Abstract: An illuminant with at least two LEDs mounted on mutually opposite sides of a support plate and a reflection surface formed as a concave mirror, in which concave mirror the LEDs are arranged, wherein a housing part of the illuminant made of a transparent housing material is provided, which housing part at the same time forms an in relation to the main propagation direction lateral external surface of the illuminant and supports a reflecting layer forming the reflection surface at an internal surface opposite to the external surface.

Abstract: A lighting apparatus has a light source emitting primary light; a reflector device with first and second focal points; a rotatable light wheel with two functional regions; a primary light device irradiated by the light source and having functionally assigned to it one of the functional regions as a primary light functional region, the first focal point being located at the primary light device; a utility light device to which is functionally assigned another of the functional regions as a utility light functional region, the second focal point being located at the utility light device; a primary light functional region having in a first rotational position of the light wheel at least one phosphor sensitive to the primary light; and a utility light functional region being transmissive to the light whose wavelength is converted by the primary light functional region.

Abstract: The invention relates to a tube (42) for a semiconductor tubular lamp (41), which tube has at least one holding projection for holding at least one printed circuit board (5) on the inside of the tube, wherein the tube (42) is a glass tube, and the at least one holding projection is an inwardly bulging, reshaped burling region (43-46) of the tube (42). A semiconductor tubular lamp (41) has a tube (42) and at least one printed circuit board (5) fitted with a semiconductor light source (6), which is accommodated in the tube (42) and is held transversely to a longitudinal direction (L) of the tube (42) by means of at least one burling region (43-46) in a form-fitted manner. A method serves to produce a tube (42), wherein the tube (42) is provided, locally heated, and pressed inwardly at the at least one locally heated point for generating the at least one burling area (43-46).

Abstract: Various embodiments may relate to a lighting module, including a first printed circuit board, on which at least one light source is arranged, a covering element, which at least partially covers the first printed circuit board, and at least one electronic component, which is integrated in the covering element and is electrically connected to the first printed circuit board.