Abstract: Various embodiments may relate to A light-emitting diode, including an LED chip having at least one emitter surface for emitting primary light, and a plurality of luminescent regions, which are connected optically downstream from the at least one emitter surface. At least one harder one of the luminescent regions is embedded in another, softer one of the luminescent regions.

Abstract: Various embodiments may relate to a light-emitting device. The light-emitting device includes an encapsulation housing and a light engine arranged in the encapsulation housing. The light engine is arranged in the encapsulation housing in such a manner that a cavity is formed between the light engine and the encapsulation housing. At least the exit surface of a light source arranged on one side of the light engine is located in the cavity.

Abstract: An electronic converter, including a measurement circuit for determining a first signal indicative of the voltage or current supplied by the electronic converter, a regulation circuit for generating a regulation signal as a function of the first signal and one or more reference signals, and a driver circuit for driving the switching stage of the electronic converter as a function of the regulation signal. The electronic converter includes an optical, inductive or capacitive coupler and a transmission circuit configured to generate a pulse width modulated signal applied to the input of the optical, inductive or capacitive coupler, wherein the transmission circuit varies the duty cycle and the frequency of the pulse width modulated signal as a function of the first and second signal. The electronic converter includes a receiver circuit configured to monitor the received signal at the output of the optical, inductive or capacitive coupler.

Abstract: A lighting apparatus includes at least one primary light source for emitting primary light, at least one phosphor body arranged at a distance from the primary light source, for converting the wavelength of primary light into secondary light, and at least one at least partly dichroic mirror, which at least partly deflects primary light radiated thereon onto at least one phosphor body and which passes secondary light radiated by the phosphor body. Used light radiated by the lighting apparatus contains the secondary light and primary light radiated by at least one primary light source, and the dichroic mirror includes at least one first and second mirror regions, in such a way that the first mirror region deflects primary light onto at least one phosphor body and passes secondary light incident from the phosphor body, and that the second mirror region deflects primary light in a manner circumventing the phosphor body.

Abstract: An optical converter is to be simply and reliably monitored. Thereto, a circuit device including a measurement bridge with a measurement branch, a first comparison branch and a second comparison branch is provided. A conductor path loop of the converter can be integrated in the measurement branch. The first comparison branch has a first series resistance variable via a first active element. Similarly, the second comparison branch has a second series resistance variable via a second active element. The first and the second active elements are respectively controllable by the same control signal. The circuit device further has an evaluation circuit with a first comparator and a second comparator, the outputs of which form the control signal and at the same time an output signal of the circuit device in AND-gated manner. Each comparator compares a tap of its respective comparison branch to a tap of the measurement branch.

Abstract: Accroding to the present disclosure, a heat sink, which may be used e.g. for LED lamps or bulbs for motor vehicle lights, includes: a plate-like portion extending along an axis with opposed mounting surfaces for at least one heat source, such as e.g. a LED lighting source, and a finned portion thermally coupled with the plate-like portion and including a plurality of annular fins extending around said axis.

Abstract: A light generating device, comprising: at least one light emitting diode having a semiconductor layer that emits a first primary light, and having a phosphor layer arranged on the semiconductor layer, and at least one laser for generating at least one laser beam composed of a second primary light, by means of which the phosphor layer is irradiatable, wherein the phosphor layer is configured for at least partly converting the first primary light into at least one first secondary light and for at least partly converting the second primary light into at least one second secondary light. The light generating device is configured to dynamically illuminate the phosphor layer by means of the second primary light.

Abstract: An electronic assembly for lighting applications. The assembly includes a printed circuit board (PCB) having a first PCB surface, which is designed for populating with electronic components, and a second PCB surface opposite the first PCB surface. The PCB has a continuous cutout from the first PCB surface to the second PCB surface. The electronic assembly further includes a heat distributor having at least one first contact surface and at least one second contact surface opposite the first contact surface. The first contact surface is connected in a material-bonded manner to the PCB arranged in parallel therewith at the second printed circuit board surface. The electronic assembly further includes at least one first light emitting diode element, which is arranged on a section of the first contact surface, which section is exposed within the cutout, and is connected in a material-bonded manner to the first contact surface.

Abstract: In various embodiments, a phosphor element is provided. The phosphor element includes a monocrystal composed of a phosphor element material for at least partly converting a pump radiation into a conversion radiation. The monocrystal is formed with a multiplicity of scattering centers incorporated into the monocrystal—Apart from that, however, the phosphor element material in the monocrystal is present in a monocrystalline fashion. The scattering centers for scattering the conversion radiation are incorporated into the monocrystal.

Abstract: An electronic component may include e.g. a solid-state light radiation source, preferably a LED light radiation source, is provided with electrical contact pads for soldering onto a mounting board. The electrical contact pads are arranged over a soldering area having a central portion and a peripheral portion surrounding said central portion. The electrical contact pads include at least one first electrical contact pad arranged at central portion of the soldering area, and at least one second electrical contact pad arranged at peripheral portion of the soldering area.

Abstract: A lighting device, such as a LED module, comprising an elongated support structure having a longitudinal direction and electrically-powered light radiation sources distributed along the support structure, the support structure including at least one light-permeable layer, one or more optical signal sources coupled with the light-permeable layer, for injecting therein an optical signal propagating in the longitudinal direction, and one or more optical signal detectors coupled with the light-permeable layer, for detecting the optical signal injected by the optical signal source(s).

Abstract: The present disclosure is directed to light converter assemblies with enhanced heat dissipation. A light converter assembly may comprise a confinement material applied to at least a first substrate and a phosphor material also deposited on the first substrate so as to be surrounded by the confinement material. The first substrate may be hermetically sealed to a second substrate using the confinement material so that the phosphor material is confined between the substrates and protected from atmospheric contamination. The substrates may comprise, for example, sapphire to allow for light beam transmission and heat conductance. Confinement materials that may be employed to seal the first substrate to the second substrate may include, for example, silicon or a metal (e.g., silver, copper, aluminum, etc.) The phosphor material may comprise, for example, at least one quantum dot material.

Abstract: A light guide arrangement for a mobile communications device for optical data transmission by an optoelectronic interface component of the communications device is provided. The light guide arrangement includes a light guide body with a greatest extent in the principal light guiding direction, a first optical coupling member for coupling the optoelectronic interface component to the light guide body, a second optical coupling member with a first lens element that has a first optical axis transverse to the principal light guiding direction and with a first optical deflection element arranged along the first optical axis, and a third optical coupling member with a second lens element that has a second optical axis transverse to the principal light guiding direction and with a second optical deflection element arranged along the second optical axis. The second optical axis differs from the first optical axis.

Abstract: A laser-activated remote phosphor (LARP) target with a first layer having a first index of refraction and a phosphor dispersed within the first layer. A second layer which has a second index of refraction different from the first index of refraction and adjoins the first layer at an interface. The first index of refraction is higher than the second index of refraction such that the interface is configured to at least partially reflect light emitted from the phosphor.

Abstract: The preferred embodiments are directed to discloses a metal halide high-pressure discharge lamp comprising a burner which is enclosed by an outer bulb. In the outer bulb samarium is provided.

Abstract: Herein is disclosed an electronic converter, including a measurement circuit for determining a first signal indicative of the voltage or current supplied by the electronic converter, a regulation circuit for generating a regulation signal as a function of the first signal and one or more reference signals, and a driver circuit for driving the switching stage of the electronic converter as a function of the regulation signal.

Abstract: A phosphor arrangement for at least partly converting an excitation radiation is provided. The phosphor arrangement includes a phosphor and a fracture detector used for monitoring the phosphor. The fracture detector includes at least one line track which is operatively connected to the phosphor. The line track extends around the phosphor at least in sections with at least one loop.

Abstract: A projection apparatus includes a discharge lamp; a control apparatus for controlling a discharge current through the lamp. The apparatus is designed in a first drive mode, to control the discharge current having an amplitude profile; in a second drive mode, to control the discharge current in accordance with the amplitude profile; and to change between the first mode and the second mode. The time difference between two changes is given by a first time interval, and the time difference between the change from the first mode to the second mode and a next instance of leaving the second mode is given by a second time interval. The apparatus further includes a control device to determine a first manipulated variable depending on a control deviation determined by the difference between a target voltage value and a measured voltage value, and to determine the first and/or the second time interval therefrom.

Abstract: According to the present disclosure, a lighting device provides: an elongate support element, a plurality of lighting units distributed along the length of said support element, each of said units including: a set of electrically powered light radiation sources, a driver supplying said set of light radiation sources with a supply current having an intensity which is a function of an impedance value sensed at a current control input of driver. At least one of said lighting units includes a mounting seat for a lighting adjustment impedance, said seat having an electrical connection to the current control input of at least one driver, so that the intensity of the current supplied by driver to a respective set of light radiation sources is a function of the impedance value of a lighting adjustment impedance arranged at said seat.

Abstract: In various embodiments, a vehicle lamp is provided. The vehicle lamp includes at least one semiconductor light source, at least one light emission body, and a concentrator arranged between the at least one semiconductor light source and the respective light emission body. A larger light entrance area of the concentrator is separated from the at least one semiconductor light source by a gap. The concentrator at its smaller light exit area transitions into the light emission body. The light emission body has at least one region covered with a partly transmissive layer.