Abstract: A lamellar arrangement for shielding radiation acting on a fluid which flows through an interior of a device, comprises two or more lamellae aligned substantially parallel to one another and respectively defining an intermediate space between them, wherein at least one subset of the lamellae is respectively subdivided into at least three lamella sections comprising a first lamella section, a second lamella section next to the first lamella section and a third lamella section next to the second lamella section. The first lamella section and the second lamella section in this case enclose a first angle between them, and the second lamella section and the third lamella section enclose a second angle between them. The first angle has a magnitude in a range of from 20° to 45° and the second angle has a magnitude in a range of from 20° to 45°.

Abstract: In an embodiment an electronic load for installation in a power supply of a vehicle lamp includes a first connection node connected to two first connection sections adapted to be connected between respective corresponding connection sections of a first line carrying a voltage potential, a second connection node connected to two second connection sections adapted to be connected between respective corresponding connection sections of a second line carrying a reference potential, wherein a difference between the voltage potential and the reference potential comprises a supply voltage configured to be supplied to the vehicle lamp and a current sink circuit coupled between the first and second connection nodes, the current sink circuit configured to cause a substantially constant current flow independently of a time-varying supply voltage from at least one of the first connection sections to at least one of the second connection sections.

Abstract: In an embodiment a lamp includes a lamp body extending in a first direction along a longitudinal axis between a proximal base portion and a light-reflective distal front surface, the distal front surface extending transverse to the longitudinal axis and having an outer edge and a linear array of a plurality of solid-state light sources arranged distally of the distal front surface of the lamp body, the linear array of solid-state light sources extending in a second direction transverse to the longitudinal axis and having a length in the second direction longer than a width across the second direction, wherein the light-reflective distal front surface tapers from the outer edge towards the linear array of solid-state light sources and comprises two opposed surface portions each extending from the outer edge to a linear inner edge line.

Abstract: An optical arrangement for disinfection in apparatuses operating with air or a liquid comprises at least one radiation source or at least one group of radiation sources, which emits or jointly emit radiation in the ultraviolet wavelength range, at least one beam collecting optical unit, which collects the radiation emitted by the radiation source or the group of radiation sources, a number of beam delivering optical units, each configured to receive the radiation collected by the at least one beam collecting optical unit, and also a number of effect zones spatially separated from one another, into which the radiation delivered via the beam delivering optical units is emitted in order to bring about a disinfecting effect.

Abstract: Disclosed herein is a cooling device, comprising a cooling plate and a cooling cap, for cooling a heat source, mounted to an outer interface surface of the cooling plate, by means of a cooling fluid. Several spiral-shaped fins are integrated into the cooling plate to form a structure in the shape of a multi-spiral. The fins are arranged next to each other in a mutual distance to form spiral-shaped flow channels for a cooling fluid. An inlet for inflowing the cooling fluid at the center of the multi-spiral fins structure is integrated into the cooling cap. The cooling cap is configured and arranged on the cooling plate so that the inlet is positioned above the center of the multi-spiral fins structure.

Abstract: The invention relates to a device for irradiating a liquid with electromagnetic radiation, in particular for sterilizing an in particular flowing liquid by means of UV radiation (UV reactor), comprising a container having an inlet for receiving the liquid and having an outlet for releasing the liquid from the container, wherein within the container a variable or adjustable irradiation zone is provided for irradiating the liquid with electromagnetic radiation, in particular UV radiation, emitted by a radiation source. In the irradiation zone the liquid is configured in the form of a liquid layer having the layer thickness which extends between the underside of the container and a gas bubble expanding above the liquid layer.

Abstract: In an embodiment a lamp includes a light source having a light source circuit board and a light emitting element arranged on the light source circuit board, a driver configured to drive the light source and having a driving circuit board and a driving electronic element arranged on the driving circuit board, a connector connectable to a power source, wherein the driver is connected to the connector such as to be spatially separated from the light source and a heat sink inside which the light source and the connector are fixedly attached in such a manner that the light source and the driver are radially surrounded by the heat sink, wherein the connector includes a supporting column configured to support the driving circuit board and a retainer configured to hold the driving circuit board.

Abstract: In an embodiment an optical element for a lamp includes a line optic having a symmetrical groove structure formed from waves, wherein the groove structure varies continuously starting from a center of symmetry in at least one propagation direction of the groove structure.

Abstract: In an embodiment, an automotive solid-state lamp includes a lamp body extending along a longitudinal reference axis between a proximal base portion and a distal front portion, wherein the lamp body includes a support member having first and second opposed sides, and wherein each one of the opposed sides of the support member has arranged thereon a first array of solid-state light sources having a shield optically coupled therewith and configured to provide, when energized, an automotive low-beam, a second array of solid-state light sources located between the base portion and the first array of solid-state light sources, the second array of solid-state light sources spaced from the first array of solid-state light sources and configured to provide, when energized, an automotive high-beam, wherein the second array of solid-state light sources includes a first single row of solid-state light sources extending longitudinally of the lamp body and a second single row of solid-state light sources.

Abstract: In an embodiment a reflector optical system includes a reflector body having a rotational symmetry about a longitudinal axis and including a first reflector optic portion having a substantially concave shape and a second reflector optic portion extending along the longitudinal axis, the first reflector optic portion facing the second reflector optic portion, wherein the first reflector optic portion includes a plurality of first reflective surfaces and the second reflector optic portion includes a plurality of second reflective surfaces in spaced light-receiving relation to the plurality of first reflective surfaces.

Abstract: An automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member and a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized and reflector optics arranged at the front portion, wherein the solid-state light sources are configured to emit light towards the reflector optics, the reflector optics including a first reflector optic portion and a second reflector optic portion and wherein each of a plurality of first reflective surfaces disposed on the first reflector optic portion extend in an annular region around the longitudinal direction from the plurality of solid-state light sources towards the first reflector optic p

Abstract: A method for operating clocked and regulated electronic power converters may be contained in operating devices for light-emitting diodes. An associated regulating circuit may include at least one regulating amplifier having at least two regulating inputs, from the output of which a negative feedback network runs to one of its regulating inputs, a first input for the signal for a target value of the average of the output power to be regulated, and a second input which forwards a signal for the target value of a waveform or of a pulse pattern for the output power to be regulated to one of the regulating inputs via a DC current-blocking high-pass filter.

Abstract: A tracking system for tracking objects within a field of view is disclosed. The field of view may include a first zone and an adjacent zone of interest where at least two gates are associated with respective sides of the first zone within the field of view. The first camera is configured to detect when an object crosses one of the at least two gates and track the object throughout the first zone and the zone of interest. The tracking system is configured to generate a first event message in response to the object being tracked from one of the gates into the zone of interest and subsequently leaving the first zone through a dedicated gate of the at least two gates.

Abstract: An image displaying device includes a micro-LED-array having several LEDs, a controller electrically connected to the micro-LED-array for driving the LEDs such that they emit light, and a lens-array having several lenses. Each lens is assigned to one of the LEDs. Each lens is arranged in the light path of the light emitted by the corresponding LED such that the light emitted by the LEDs passes through the corresponding lens and is projected onto a screen. The lens-array is configured such that, when seen from the screen, a virtual image of the micro-LED-array is formed behind the micro-LED-array. The lens-array is a meta-lens-array and the lenses are meta-lenses.

Abstract: In an embodiment an automotive solid-state headlamp includes a lamp body extending in a longitudinal direction, the lamp body having a rear base portion and a front portion and including a support member disposed in a light-transmissive housing, a plurality of solid-state light sources arranged on the support member at the rear base portion of the lamp body, and a drive circuitry electrically coupled to the light sources and arranged at the rear base portion of the lamp body and configured to operate the plurality of light sources when energized, wherein the plurality of light sources, when energized, are configured to cause the solid-state lamp to emit, through the light-transmissive housing (a) a luminous flux of at least 1500 lumens +/?10% when energized with a 13.2 Volt test voltage, or of at least 1750 lumens +/?10% when energized with a 28 Volt test voltage, or (b) a luminous flux of at least 1350 lumens +/?10% when energized with a 13.

Abstract: A method for manufacturing a light-emitting device may include producing a support having at least one conductor track on a surface of the support. The method may further include producing a reflective coating directly on the at least one conductor track by means of a film transfer method such that the conductor track is substantially covered by the reflective coating and arranging a light-emitting component on or above the reflective coating. The light-emitting component may be electrically conductively connected to the conductor track(s).

Abstract: In an embodiment a LED chip insert for a printed circuit board includes a lead frame in which a number of electrically conductive strings with respective ends are formed by punching, the strings having support surfaces which are configured for mounting on the printed circuit board and which form a common plane, wherein the lead frame has a region formed as a recess with respect to the ends, an injection molded frame including an electrically insulating material and annularly surrounding a surface of the lead frame exposed within the region formed as the recess facing the ends of the strings, and thereby effecting an overall trough-like structure; and at least one LED chip which is placed in the region formed as the recess and has a first electrical contact terminal and a second electrical contact terminal, the first electrical contact terminal being electrically conductively connected to a first one of the strings and the second electrical contact terminal being electrically conductively connected to a second

Abstract: A method for assigning light sensors for regulating a lighting system includes switching the lighting of the lighting system into a first switching state such that a first lighting group emits light with a predetermined luminous flux, switching the lighting of the lighting system into a second switching state such that the first lighting group emits light with a reduced luminous flux by comparison with the predetermined luminous flux or emits no light, and measuring a luminance of the light reflected by a reference surface respectively assigned to the light sensors with the aid of the light sensors to determine a first measurement value in the first switching state and a second measurement value in the second switching state. The method may further include assigning a sensor to the first lighting group based on a comparison of difference values formed for each of the light sensors, and storing the assignment.

Abstract: A lighting fixture includes an optoelectronic light source, for example, designed to illuminate a room, and a modulatable supply circuit that is connected to the optoelectronic light source, wherein a current through or a voltage applied to the light source may be modulated by the modulatable supply circuit. A data stream generator is connected to a modulation input of the supply circuit. A trigger element that is connected to the data stream generator and configured to deliver a first signal to the data stream generator in response to a comparison of a counter value with a threshold value and an event signal. The data stream generator may be configured to deliver a modulation signal to the modulation input in response to an event signal and to the first signal, and the modulation signal encodes position information relative to a reference point.