Abstract: In a method for projecting an image onto a projection area (10) by at least one first (110) and second (210) beam, in order to create an improved image on the projection area, the deviation of the projection of the first and second beam on the projection area is determined, and the intensity of the first and/or second beam is varied over time according to the previously determined deviations.

Abstract: A lighting module may include a lighting band with a band-shaped flexible substrate, wherein at least one semiconductor light source is applied to a top side of the substrate, wherein the lighting module is faced with a protective layer such that at least one emission area of the at least one semiconductor light source is exposed thereby.

Abstract: A light emitting diode arrangement, having at least one high power light emitting diode, the high power light emitting diode being mounted onto a flexible circuit board. A method is also disclosed for producing such a light emitting diode arrangement.

Abstract: A light-emitting module may include at least one receiver configured to wirelessly tap off energy from an alternating field, and at least one light source, which is connected to the receiver for tapping off electrical power, wherein the at least one light-emitting module is surrounded at least partially by a protective housing, wherein the light-emitting module is self-aligning.

Abstract: A circuit arrangement for operating a chain comprising at least one light emitting diode on an AC voltage, in particular mains voltage, comprising a rectifier with an input circuit for drawing the AC voltage and an output circuit, into which a rectified AC voltage is output. An energy store is provided in the output circuit, in particular a storage capacitor, to which the LED chain can be connected in a parallel circuit. A current controller interrupts, during operation, the charging of the storage capacitor each time the current in the output circuit has risen to a specific threshold current, and enables charging again when the voltage in the output circuit has then fallen to a specific threshold voltage.

Abstract: The invention relates to an unidirectionally-oriented film comprising a thermoplastic polyester and a polycarbonate. The unidirectionally-oriented film may further comprise an anti-blocking agent and/or a slip agent. Depending on its width, the films of the invention may be used for food packaging; it may be used for strapping cartons, boxes, pallets, textile bales; and it may be used for woven tape fabric. The fabric woven from films of the invention may be used for making sacks, flexible intermediate bulk containers, hot fill jumbo bags for materials such as bitumen, PVC coated fabrics for flex signage, carpet backing, geo textiles, geogrids, metallised fabrics, and self-reinforced composites.

Abstract: A lamp (1; 16; 20; 24; 30; 37; 39), at least comprising: a heat sink (2; 17; 21; 25), which bears at least one light source; (10) and an at least partially optically transmissive cover (11; 19; 23; 26) for the at least one light source (10), said cover being fastened to the heat sink (2; 17; 21; 25), the cover (11; 19; 23; 26; 31; 38; 40) having a wall thickness (d) which, at least sectionally, tapers as the distance from the heat sink (2; 17; 21; 25) increases.

Abstract: An illuminating device includes: at least one lighting module, and at least one lighting module support, wherein the lighting module support is provided in order to dissipate heat from the lighting module and at least one first fastening element for fastening the lighting module on the lighting module support is provided, wherein the first fastening element is designed in such a way that the lighting module is pressed with a defined pressing force onto the lighting module support in such a way that a defined transfer of heat between the lighting module and lighting module support is enabled, and, in the region of the first fastening element, a movement of the lighting module, in particular a thermal expansion, parallel to the main plane of the lighting module is enabled.

Abstract: An LED lamp may include at least one support equipped with at least one LED, a lamp base, at least one circuit component, interposed between the lamp base and the at least one LED, for operating the at least one LED, and a lamp body made of optically transmissive material with a recess for holding at least that part of the support which carries the at least one LED, the lamp body having surface structuring for cooling by thermal convection, wherein the surface structuring comprises a multiplicity of elevations, and wherein the elevations are respectively designed in the form of islands.

Abstract: An illumination device comprises at least one light module (1) wherein the light module (1) comprises a circuit board (2) to which a plurality of groups (30) of light sources (3a, 3b, 3c) are applied and a carrier (6) on which the light module (1) is fixed. A display apparatus comprising such an illumination device is also disclosed.

Abstract: A lamp may include at least one housing; a heat source connected thereto; and a base for connection to a lampholder, wherein the base has at least one heat dissipation surface, and wherein at least one heat source is thermally conductively connected to at least one heat dissipation surface.

Abstract: A light-emitting device may include at least one light source, which is configured for at least one of AC and PWM operation; and at least two optical buffers for absorbing light energy from the light source and for temporally delayed emission of the stored luminous energy, wherein the at least two optical buffers have different relaxation times and are sensitive to different wavelengths.

Abstract: The invention relates to a tape comprising from (i) about 75 wt % to about 99.9 wt % of a thermoplastic polyester, (ii) from about 0.1 wt % to about 25 wt % of a linear low-density polyethylene and (iii) from 0 wt % to about 5 wt % of other components, said tape having a thickness from 5 ?m to 300 ?m and a width from 0.5 mm to 7 mm. This tape shows no twinning and sticking to other tapes after slitting, has very good mechanical properties. When the tape is wound, bobbins having a regular shape can be obtained.

Abstract: A position measuring arrangement that includes a retroreflector, a light source generating a lightbeam and a scanning unit that generates a partially-divergent lightbeam. The scanning unit includes a scanning mirror mounted so it is deflected in a reproducible manner so that a grid-like scanning of a two-dimensional spatial area by the partially-divergent lightbeam takes place over a plurality of scanning tracks. The position measuring arrangement including an interferometric distance measuring unit that includes a beam splitter element that splits the lightbeam generated by the light source so that split lightbeams pass through a reference arm and a measuring arm at least once in each direction. The interferometric distance measuring unit includes an opto-electronic detector unit, through which a detection of distance-dependent signals from superimposed lightbeams from the reference arm and the measuring arm takes place.

Abstract: A light-emitting diode arrangement includes a piezoelectric transformer having at least one output connection position, and a high-voltage light-emitting diode including a high-voltage light-emitting diode chip including at least two active regions connected in series with one another, wherein the high-voltage light-emitting diode is electrically connected to the output connection position of the piezo transformer.

Abstract: Connecting element for mounting on a printed circuit board, which connecting element has at least two connecting lines which cross one another and are not electrically connected between respectively associated contacts.

Abstract: A light module has at least one light source mounted on a base, especially an LED, a housing to accommodate the base, an electrical connection element for power supply of at least one light source. An outer line of the connection element is formed by the housing, and an inner line, especially center line, of the connection element, which is at least partially enclosed by the outer line, contacts the base.

Abstract: An LED lamp is specified, comprising at least one LED and at least one radiation-emitting semiconductor component, it being the case that when the LED lamp is operating, the at least one LED emits visible light and the at least one radiation-emitting semiconductor component emits electromagnetic radiation having a peak intensity outside the visible region of the spectrum.

Abstract: A lighting module may include a printed-circuit board which via its rear side is positioned on a cooling body and on its front side is fitted with at least one light source, and at least one electronic component; a cover for at least a partial region of the printed-circuit board, with the cover being seated upon the printed-circuit board; wherein the lighting module has at least one elastic fastening element which is secured to the cooling body and positioned against the cover.

Abstract: An LED lamp may include at least one support equipped with at least one LED, a lamp base, at least one circuit component, interposed between the lamp base and the at least one LED, for operating the at least one LED, and a lamp body made of optically transmissive material with a recess for holding at least that part of the support which carries the at least one LED, the lamp body having surface structuring for cooling by thermal convection, wherein the surface structuring comprises a multiplicity of elevations, and wherein the elevations are respectively designed in the form of islands.