Abstract: A light source may include an LED chip having a light-emitting surface, on which a luminophore layer is arranged. The luminophore layer may include adjacently arranged regions having different luminophores. A lighting device may include at least one light source.

Abstract: A light fixture comprises two cooling elements and a plurality of semiconductor lighting elements, wherein each cooling element has a central portion and a wall portion which extends away from the central portion and at least partially surrounds an interior of a cooling element. The two cooling elements are arranged opposite one another. An annular opening for exchange of air with the environment is present between the two cooling elements. The semiconductor lighting elements are arranged on the outside of the wall portion of the cooling elements. A corresponding cooling element has two or more vanes, wherein all vanes are connected to one another by means of a central connecting element. Each vane extends in an axial direction and in a circumferential direction and has a curvature in the axial direction and preferably a curvature in the circumferential direction.

Abstract: The present invention relates to a lighting means comprising at least two LEDs mounted on opposite sides of a flat printed circuit board, said printed circuit board being combined with a reflector which is free of LEDs, a part of the light emitted by each LED being reflected by the reflector to homogenize the light distribution generated by the lighting means, and specifically in each case with a directional component parallel to a surface direction of the flat printed circuit board.

Abstract: A light emitting device is disclosed. In an embodiment a light-emitting device includes a plurality of light-emitting diode chips arranged on a mounting surface of a carrier, a first translucent element and a second translucent element, wherein the first translucent element is arranged over the plurality of light-emitting diode chips as viewed from the mounting surface and the second translucent element is disposed on a side of the plurality of light-emitting diode chips opposite the first translucent element such that the light-emitting diode chips are arranged between the first and second translucent elements, wherein the first and second translucent elements are configured to emit light generated by the light-emitting diode chips during operation outwardly, and wherein the first and second translucent elements appear white or grey in daylight.

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: 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: A radiation-emitting optoelectronic device, a method for using a radiation-emitting optoelectronic device and a method for making a radiation-emitting optoelectronic device are disclosed. In an embodiment, the device includes a semiconductor chip configured to emit a primary radiation and a conversion element including a conversion material which comprises Cr and/or Ni ions and a host material and which, during operation of the device, converts the primary radiation emitted by the semiconductor chip into a secondary radiation of a wavelength between 700 nm and 2000 nm, wherein the host material comprises EAGa12O19, AyGa5O(15+y)/2, AE3Ga2O14, Ln3Ga5GeO14, Ga2O3, Ln3Ga5.5D0.5O14 or Mg4D2O9, wherein EA=Mg, Ca, Sr and/or Ba, A=Li, Na, K and/or Rb, AE=Mg, Ca, Sr and/or Ba, Ln=La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and/or Lu and D=Nb and/or Ta, and wherein y=0.9-1.9.

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: 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: 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: A radiation-emitting component comprising a ceramic material, comprising a garnet having the composition represented by the formula A3-xB5O12:Dx and a barium-containing oxide. In the garnet A3-xB5O12:Dx, A is selected from lutetium, yttrium, gadolinium, terbium, scandium, another rare earth metal or mixtures thereof. B is selected from aluminum, scandium, gallium, indium, boron or mixtures thereof. D is at least one dopant selected from chromium, manganese and rare earth metals, particularly cerium, praseodymium or gadolinium. The dopant is present with x is 0?x?2.

Abstract: A radiation-emitting optoelectronic device, a method for using a radiation-emitting optoelectronic device and a method for making a radiation-emitting optoelectronic device are disclosed. In an embodiment, the device includes a semiconductor chip configured to emit a primary radiation and a conversion element including a conversion material which comprises Cr and/or Ni ions and a host material and which, during operation of the device, converts the primary radiation emitted by the semiconductor chip into a secondary radiation of a wavelength between 700 nm and 2000 nm, wherein the host material comprises EAGa12O19, AyGa5O(15+y)/2, AE3Ga2O14, Ln3Ga5GeO14, Ga2O3, Ln3Ga5.5D0.5O14 or Mg4D2O9, wherein EA=Mg, Ca, Sr and/or Ba, A=Li, Na, K and/or Rb, AE=Mg, Ca, Sr and/or Ba, Ln=La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and/or Lu and D=Nb and/or Ta, and wherein y=0.9-1.9.

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: A light fixture comprises two cooling elements and a plurality of semiconductor lighting elements, wherein each cooling element has a central portion and a wall portion which extends away from the central portion and at least partially surrounds an interior of a cooling element. The two cooling elements are arranged opposite one another. An annular opening for exchange of air with the environment is present between the two cooling elements. The semiconductor lighting elements are arranged on the outside of the wall portion of the cooling elements. A corresponding cooling element has two or more vanes, wherein all vanes are connected to one another by means of a central connecting element. Each vane extends in an axial direction and in a circumferential direction and has a curvature in the axial direction and preferably a curvature in the circumferential direction.

Abstract: The present invention relates to a luminous means (1) comprising an enveloping bulb (3), a base (4), a first LED (21a) and a second LED (21b), which are assembled on a planar printed circuit board (2), to be precise on the opposite sides (20) thereof in relation to a thickness direction, wherein a first diverging lens (5a) is mounted on the first side (20a) of the printed circuit board (2) in a manner assigned to the first LED (21a) and a second diverging lens (5b) is mounted on the second side (20b) of the printed circuit board (2) in a manner assigned to the second LED (21b) for the purposes of homogenizing the light distribution generated by the luminous means (1), and the light emitted by the respective LED (21) has a widened luminous intensity distribution downstream of the respective diverging lens (5) in comparison with upstream of the respective diverging lens (5).

Abstract: The present invention relates to a lighting means (71) comprising at least two LEDs (3) mounted on apposite sides (21a, b) of a flat printed circuit board (1), said printed circuit board (1) being combined with a reflector (2) which is free of LEDs, a part of the light emitted by each LED (3) being reflected by the reflector (2) to homogenize the light distribution generated by the lighting means (71), and specifically in each case with a directional component parallel to a surface direction (24) of the flat printed circuit board (1).

Abstract: The present invention relates to a luminous means (1) having a cap (6) and an outer bulb (5) in which LEDs (3) are arranged on a flat multilayer substrate (2) which is constructed, at least in regions, from at least two substrate layers (81) between two outside surfaces (4) which are opposite one another, wherein the at least two substrate layers (81) are formed from a flat substrate sheet (21) which is laid back on itself, and wherein the LEDs (3) are mounted on a side surface (84) of the substrate sheet (21), which at least proportionally forms the two outside surfaces (4) of the multilayer substrate (2) in each case on account of the substrate sheet (21) being laid back, in such a manner that at least one of the LEDs (3) is mounted in each case on both of the two outside surfaces (4) of the multilayer substrate (2).

Abstract: The present invention relates to a luminous means (1) having LEDs (23) on a substrate (2), an outer bulb (3) in which the substrate (2) having the LEDs (23) is arranged, and a cap (4), wherein at least two partial surfaces (2a) of the substrate (2) are folded out with respect to the remaining substrate (2b) around a bridge area (25) in each case, via which the particular partial surface (2a) is connected to the remaining substrate (2b), and are thus set obliquely with respect to the remaining substrate (2b) which is flat per se, wherein, for each side surface of the remaining substrate (2b), which side surfaces are opposite one another with respect to a thickness direction of the remaining substrate (2b), at least one partial surface (2a) is folded out in each case, and wherein at least one of the LEDs (23) is arranged on each of the partial surfaces (2a).

Abstract: The present invention relates to a lighting means (71) comprising at least two LEDs (3), mounted on opposite sides (21a, b) of a flat printed circuit board (1), said printed circuit board (1) being combined with a reflector (2) which is free of LEDs, a part of the light emitted by each LED (3) being reflected by the reflector (2) to homogenize the light distribution generated by the lighting means (71), and specifically in each case with a directional component parallel to a surface direction (24) of the flat printed circuit board (1).

Abstract: A radiation-emitting semiconductor component includes a semiconductor body having an active layer which emits electromagnetic radiation of a first wavelength ?1 in a main radiation direction, and having a luminescence conversion layer, which converts at least part of the emitted radiation into radiation of a second wavelength ?2, which is greater than the first wavelength ?1.