Abstract: 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.

Abstract: A luminous means is disclosed, the luminous means having LEDs on a substrate, an outer bulb in which the substrate having the LEDs is arranged, and a cap, wherein at least two partial surfaces of the substrate are folded out with respect to the remaining substrate around a bridge area in each case, via which the particular partial surface is connected to the remaining substrate, and are thus set obliquely with respect to the remaining substrate which is flat per se, wherein, for each side surface of the remaining substrate, which side surfaces are opposite one another with respect to a thickness direction of the remaining substrate, at least one partial surface is folded out in each case, and wherein at least one of the LEDs is arranged on each of the partial surfaces.

Abstract: In various embodiments, a lighting device is provided. The lighting device may include at least one first part and at least one second part, fastened to the first part, which first and second parts are interconnected by a potting compound, the parts being positively interconnected by the potting compound.

Abstract: The present invention relates to a luminous means comprising an enveloping bulb, a base, a first LED and a second LED, which are assembled on a planar printed circuit board, to be precise on the opposite side thereof in relation to a thickness direction, wherein a first diverging lens is mounted on the first side of the printed circuit board in a manner assigned to the first LED and a second diverging lens is mounted on the second side of the printed circuit board in a manner assigned to the second LED for the purposes of homogenizing the light distribution generated by the luminous means, and the light emitted by the respective LED has a widened luminous intensity distribution downstream of the respective diverging lens in comparison with upstream of the respective diverging lens.

Abstract: In various embodiments, a lighting device is provided. The lighting device includes an optical unit having at least one optical element, which optical unit is fastened to the lighting device by means of at least one fastening region; wherein the optical unit is fastened with a force fit in at least one direction; wherein the at least one fastening region is formed as a spring element; and wherein the optical unit can be moved through the at least one fastening region in the direction of the force-fit fastening.

Abstract: An electronic driver for transforming an input voltage provided by an electrical ballast into an operating voltage for an LED lighting module is provided, comprising an input for connecting the electrical ballast to the electronic driver, an output for connecting the LED lighting module to the electronic driver, and an bypass circuit, wherein the bypass circuit is adapted for being connected in parallel to the output if a low input voltage is provided at the input and for being disconnected from the output if a high input voltage is provided at the input.

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: 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. The elastic tension structure goes through the end cap from one side of the end cap and is locked at the other side of the end cap. In addition, various embodiments may also relate to a process for manufacturing the LED retrofit lamp.

Abstract: The invention relates to a base (3, 4, 22) for a lamp tube (1), comprising a securing part (3, 4) for stationarily securing to a front side of the lamp tube (1), and a connection part (22) having at least one electrical contact element (26) for electrically contacting a lamp holder, which connection part (22) can be twisted against the securing part (3, 4), wherein the securing part (3, 4) and the connection part (22) are electrically connected to one another by means of at least one sliding contact (4, 28). A tubular lamp (L) having a lamp tube (1) comprises a base (3, 4, 22) on at least one open end of the lamp tube (1). A method serves to assemble a base (3, 4) on a lamp, tube (1) of the tubular lamp (L). In particular, the invention is suitable for use on retrofit LED lamps as a substitute for fluorescent lamps, in particular T-type lamps, in particular T8-type lamps.

Abstract: Various embodiments may relate to a lighting device, which includes a lamp tube having two open ends, a light engine arranged in the lamp tube, a carrier supporting the light engine, and two end caps closing the open ends. The lighting device further includes a diffuser. The carrier supporting the light engine is held on the diffuser, and the diffuser is held on the inner wall of the lamp tube.

Abstract: A double-capped LED lamp operates on an electronic ballast for a low-pressure discharge lamp. The lamp has a first lamp cap having at least one first lamp connection, a second lamp cap having at least one second lamp connection, and an LED driver unit, which is electrically coupled between the first lamp connection and the second lamp connection, for activating a plurality of LEDs on the basis of a lamp voltage supplied by the electronic ballast between the first lamp connection and the second lamp connection in a first operating state. The lamp comprises a switching element for the galvanic separation of the first lamp connection from the LED driver unit in a second operating state, and an activation device for switching at least from the second operating state into the first operating state according to the lamp voltage.

Abstract: 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. The light source can be an LED lamp, an LED lamp tube, an LED retrofit lamp, preferably a retrofit T8 tube, a fluorescent lamp and/or a halogen lamp. The light source can be a ceiling lamp, a wall lamp, a bottom illumination, direct or indirect lighting, a signal lamp and/or a decorative lighting. The sensor is responsible for creating and/or expanding a wireless network between the sensor and the at least one light source.

Abstract: A lamp driver for an LED lamp is provided, comprising a voltage input port for connecting the lamp driver to a power source, a relay that is switchable between an energized state and a de-energized state according to a pick-up voltage, and a relay controller circuit that connects the relay to the voltage input port and that is switchable between a conducting state and an non-conducting state according to a threshold voltage, wherein the pick-up voltage is smaller than the threshold voltage.

Abstract: 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. The invention is in particular applicable to LED retrofit lamps for fluorescent lamps, in particular for replacing conventional tube lamps or flashlights of type T5 or T8.

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: A lighting device has a housing, a light engine located in the housing with a printed circuit board (PCB) and one or more light emitting diodes (LEDs) arranged on the PCB, and an electronic driver for controlling the LEDs. The electronic driver includes a first driver part located at a first position in the housing and a second driver part located at a second position in the housing, the first driver part is electrically connected to the second driver part via a pair of electrically conductive traces on the PCB. The lighting device includes one or more capacitive devices arranged along the pair of electrically conductive traces connecting the first driver part and the second driver part. Each capacitive device is connected with a first terminal to a first trace and a second terminal to a second trace.

Abstract: Various embodiments may relate to a semiconductor lamp having at least one semiconductor light source, including multiple separately produced components, wherein at least two of the components are connected to one another by means of joint extrusion coating. Various embodiments further relate to a method for producing a semiconductor lamp having at least one semiconductor light source. The method includes at least, inserting at least one open driver housing and a cover for the driver housing into an injection mold, and extrusion coating the components inserted into the mold using potting material so that these components are permanently connected to one another by the potting material.

Abstract: A light engine for a tube lamp has a substrate defining a longitudinal direction, having at least three conductive traces extending in the longitudinal direction. At least two of the conductive traces are divided into a plurality of trace sections. The light engine further includes a plurality of semiconductor light emitting elements, each light emitting element having two electric terminals and being arranged perpendicular to the longitudinal direction and electrically connected with a first electric terminal to one of the conductive traces and with a second electric terminal to another one of the conductive traces.

Abstract: A lighting device includes a heat sink, through which air can flow transversely to its longitudinal extension and a plurality of semiconductor light sources, in particular light-emitting diodes, arranged on the heat sink, wherein at least two of the semiconductor light sources are aligned in different directions.

Abstract: Driver for an LED lamp, including an LED driver for driving an LED, a voltage input port adapted to connect the driver to a multi switch as a power source, a voltage output port connecting the LED to the LED driver, and a bleeder circuit suppressing leakage current provided by the multi switch, wherein the bleeder circuit is connected in series between the voltage input port and the LED driver.