Abstract: In various embodiments, a lighting system may comprise at least one connection element and at least one luminous band having at least one band-shaped unit circuit board, whereby the unit circuit board is equipped with at least two semiconductor light sources, and has at least one contact area arranged between at least two semiconductor light sources, whereby the contact area is configured so it can be severed and the contact area and the connection element are configured such that after severing of the contact area the connection element can be applied onto the contact area and at least one circuit can be closed on the unit circuit board by applying the connection element onto the contact area.

Abstract: A converter, for feeding a load via an inductor with a current having a controlled intensity between a maximum and a minimum level, includes a switch to permit or prevent, respectively, current towards said inductor, a first current sensor sensitive to the current flowing through switch when the switch is on, a second current sensor sensitive to the current flowing through said inductor when the switch is off, drive circuitry to turn the switch off and on upon receiving a first and a second logic signal, respectively, and comparison circuitry coupled to the first and the second current sensors to generate first and the second logic signals when, respectively: the current intensity detected by the first current sensor is offset a given amount with respect to the maximum level, and the current intensity detected by the second current sensor is offset a given amount with respect to the minimum level.

Abstract: A signaling device may include a first signaling illuminant; a second signaling illuminant; and a control device having at least one information input for coupling to an information source, wherein the control device is configured to drive the first signaling illuminant and the second signaling illuminant in a manner dependent on the signal at the information input in order to set one of four states, wherein only the first signaling illuminant is switched on in the first state, only the second signaling illuminant is switched on in the second state, the first signaling illuminant and the second signaling illuminant are switched on in the third state, wherein the first signaling illuminant and the second signaling illuminant are switched off in the fourth state, wherein the control device is configured to operate the first signaling illuminant and the second signaling illuminant in a series circuit in the third state.

Abstract: A lighting device comprising a pump light source and two or more phosphor wheels arranged one directly behind another. As a result, firstly, the heat loss can be dissipated via the two phosphor wheels. Secondly, only a single common collecting optical unit is required for collecting the conversion light emitted by the first phosphor wheel and the second phosphor wheel.

Abstract: An electric lamp having a longitudinal axis is provided. The electric lamp may include a base; and a built-in lamp, which has a pinch seal. Two power supply lines protrude out of the pinch seal. Two pins for connection to the power supply lines are provided on the base side. In each case one pin and one power supply line are connected by means of a mounting clip. A mounting clip is a punched sheet-metal part having a bottom which is configured so as to be substantially rectangular with a width B and a length L. Two spring arms are attached to the bottom, which spring arms surround the pinch seal of the built-in lamp. In each case one means for fastening a pin and one means for fastening a power supply line are provided on the mounting clip.

Abstract: A ceramic discharge vessel for discharge lamps is provided, with a central main part which extends between the tips of two electrodes and which is essentially tubular and with two ends for fixing and sealing an electrode system, wherein the ceramic discharge vessel has a longitudinal axis and wherein the main part consists of two halves which are connected in the middle of the main part wherein the two halves are frustoconically shaped with a draft angle p of 0.5°?p?7.0°.

Abstract: A lens for a linear light source may include a top and a bottom, the bottom including an incident surface, and a first supporting surface and a second supporting surface respectively at each side of the incident surface, and the top including an emergent surface, wherein the top further comprises a total internally reflective surface, and wherein in a cross section, the emergent surface is joined with the first supporting surface, the total internally reflective surface is joined with the second supporting surface, one part of light from the linear light source incidents into the incident surface and emerges after refracted by the emergent surface, and the other part of light incidents into the incident surface and reflected by the total internally reflective surface and then emerges after refracted by the emergent surface.

Abstract: A circuit for actuating a plurality of light-emitting means which are connected in series, comprising a plurality of electronic switches, which can be actuated depending on a rectified system voltage. The plurality of electronic switches are arranged in parallel with at least some of the light-emitting means, wherein each of the plurality of electronic switches short-circuits on activation of at least one of the light-emitting means connected in series. At least one energy store is connected in parallel with a first group of light-emitting means during a charge phase by virtue of the electronic switches, and it is connected in parallel with a second group of light-emitting means during a discharge phase by virtue of the electronic switches.

Abstract: A light-emitting diode module includes: at least one first light-emitting diode chip which is based on the material system AlInGaN and which emits a first radiation in the blue spectral range, at least one second light-emitting diode chip which is based on the material system InGaAlP and which emits a second radiation in the red spectral range, and a conversion element, which is disposed downstream of at least the first light-emitting diode chip and is designed for converting part of the first radiation into a third radiation in the green to green-yellow spectral range, wherein the conversion element comprises a first phosphor and a second phosphor, the first phosphor emits at a shorter wavelength than the second phosphor, the first phosphor has an absorption that decreases toward relatively long wavelengths in the long-wave blue spectral range, and the second phosphor has an absorption maximum in the middle blue spectral range.

Abstract: A driving device for an illuminating device may include a plurality of sub illuminating units. The driving device may include a plurality of sub driving modules in series connected to an input voltage source to distributively store energy from the input voltage source. Each of the sub driving modules is allocated with and electrically connected with one sub illuminating unit so as to release the stored energy to the sub illuminating unit allocated thereto.

Abstract: A multilayered LED printed circuit board with electrically insulating layers includes at least one electrically insulating material and electrically conductive layers consisting of an electrically conductive material, wherein at least one of the electrically conductive layers is structured with a conductor track structure, wherein the at least one structured electrically conductive layer is arranged on an upper side of the LED printed circuit board, and wherein a plurality of LEDs is arranged on the at least one structured electrically conductive layer on the upper side. The LED printed circuit board further includes: a thermally conducting element, and thermal paths comprising an electrically conductive material, which are arranged, in each case in contact-making fashion, between the LEDs and the thermally conducting element.

Abstract: A method for operating a high-pressure discharge lamp outside the nominal power range thereof is provided. The method may include: providing the high-pressure discharge lamp; and varying relative to operation at nominal power, one of at a lamp power of less than 85% of the nominal power and at a lamp power of greater than 110% of the nominal power at least one or more of the following parameters: lamp frequency, lamp current in a commutation pulse, length of the commutation pulse, and the commutation pattern.

Abstract: A headlight device is disclosed. In an embodiment a headlight device includes a laser light source configured to emit collimated primary radiation, a conversion element comprising conversion regions configured to at least partly convert the collimated primary radiation into secondary radiation and to form luminous regions during operation, and separating webs which separate the conversion regions from one another, wherein the separating webs are nontransmissive to the collimated primary radiation and secondary radiation and a deflection unit configured to direct the collimated primary radiation onto the conversion element and to guide the collimated primary radiation as a scanning beam over partial regions of the conversion element.

Abstract: The light-radiating semiconductor component has a radiation-emitting semiconductor body and a luminescence conversion element. The semiconductor body emits radiation in the ultraviolet, blue and/or green spectral region and the luminescence conversion element converts a portion of the radiation into radiation of a longer wavelength. This makes it possible to produce light-emitting diodes which radiate polychromatic light, in particular white light, with only a single light-emitting semiconductor body. A particularly preferred luminescence conversion dye is YAG:Ce.

Abstract: An illuminating device includes a housing, a light-emitting assembly and a driver, wherein the housing includes a first and second cavity and a partition plate, wherein an open end in the first and second cavity may accommodate the light-emitting assembly and the driver, respectively. A lens and a driver housing further respectively mounted thereon wherein the lens and driver housing includes a first supporting leg and a second supporting leg, respectively. The second supporting leg is engaged with a first stop portion formed on an inner wall of the housing, wherein the first supporting leg extends in a through hole in the partition plate to move between a first and a second position deviating circumferentially from the first position, the first supporting leg is locked at the first position between the partition plate and a second stop portion formed in an inner wall of the housing.

Abstract: A load drive circuit may include a DC power source configured to provide a DC output voltage for at least one load based on an output voltage of an AC/DC converter, the DC output voltage having a ripple, a variable resistance module connected to the load, a ripple reduction module that generates, based on a reference voltage and a feedback signal from the load, a variable resistance adjusting signal for adjusting the resistance of the variable resistance module so as to reduce a ripple of the load current, wherein the reference voltage is generated based on the DC output voltage, and a reference voltage adjusting module that adjusts the average value of the reference voltage based on the variable resistance adjusting signal, so as to make the average value of the reference voltage approach the average value of the feedback signal as much as possible.

Abstract: A lighting device may include: a plurality of light sources; and a plurality of waveguides; wherein the waveguides each have a light coupling-in surface and a light coupling-out surface; wherein the light coupling-in surfaces are respectively assigned a light-emitting surface of a light source, such that light emitted by the light-emitting surface of the light source impinges on the light coupling-in surface of the waveguide assigned thereto; wherein the light coupling-out surfaces of the waveguides are arranged in a matrix-like manner; wherein the light coupling-in surface of the respective waveguide is smaller than the light-emitting surface of the light source assigned to said waveguide, and a grating-like optical diaphragm having grating cells is provided, which is arranged in the region of the light coupling-in surfaces of the waveguides, such that light coupling-in surfaces belonging to different waveguides are arranged in different grating cells of the grating-like optical diaphragm.

Abstract: A phosphor device (1) comprising a carrier member (2) having upper and lower faces; a phosphor layer (3) being arranged at the upper face of the carrier member (2), wherein the phosphor layer (3) comprises at least two tiled phosphor zones (R, G, B); an optical transmitting member (4) having a first end face (7) and a second end face (9), the optical transmitting member (4) being arranged at the top portion of the phosphor layer (3), whereby the first end face (7) of the optical transmitting member (4) covers at least a subarea (8) of each of the at least two phosphor zones (R, G, B).