Abstract: A lighting may include at least one semiconductor light source which emits primary light, at least one phosphor region spaced apart from the at least one semiconductor light source and serving for at least partly converting the primary light into secondary light, and at least one filter disposed downstream of the at least one phosphor region, wherein the at least one filter is partly reflective at least to the primary light.

Abstract: An LED illumination device includes a wavelength converting element having a matrix material, at least one phosphor, and a thermochromic dye component or a phase change medium component.

Abstract: A lighting device may include at least one phosphor region which can be irradiated by a primary light source, and at least one optical filter region which can be disposed downstream of the at least one phosphor region, wherein the at least one phosphor region and the at least one filter region are arranged at a different level on a common support wheel.

Abstract: This invention relates to a phosphor assembly with a phosphor element for converting pump light into converted light, and an optical system for transmitting converted light and/or pump light. Therein, a liquid immersion material is provided in a gap between the phosphor element and the optical system, wherein an excess of immersion material enables a continuous exchange of the material in the gap and thus provides a cooling.

Abstract: A light system based on at least two chips, in particular LEDs containing chips may include at least one first chip capable of emitting a primary radiation, a layer containing a phosphor mounted in front of the first chip, for converting the primary radiation of the first chip into secondary radiation, at least one second chip capable of emitting a second primary radiation with a greater wavelength than the primary radiation, wherein the layer is arranged spaced apart from the first chip, wherein the second chip is arranged in such a way that its radiation is substantially not absorbed by the phosphor.

Abstract: A method for manufacturing a phosphor device may include: providing an optical transmitting member having a first end face and a second end face, whereby the optical transmitting member is designed for guiding exciting light entering through the first end face onto a phosphor layer arranged on the second end face, whereby at least a part of the exciting light is being wavelength-converted by the phosphor layer, and whereby the optical transmitting member is further designed for at least partially collecting and guiding the light converted by the phosphor layer; attaching an optically transparent electrode on the second end face of the optical transmitting member; providing a phosphor and a counter-electrode designed for electrophoretic deposition of the phosphor; and depositing a phosphor layer on the optically transparent electrode by means of electrophoretic deposition, thereby using the optically transparent electrode as a coating electrode.

Abstract: A light source unit may include a cooling device; a luminescent substance; an excitation radiation source having a laser source; and an optical element arranged between the radiation source and the substance; wherein the cooling device constitutes a heat sink, wherein the substance is linked thermally to the heat sink; and wherein the optical element is designed as an integrating optical element and is coupled between the radiation source and the substance in such a manner that a part of the radiation emitted by the radiation source, entering in an acceptance angle range of the integrating optical element, is subjected to an internal reflection in the optical element before it exits the optical element and strikes the substance, and that a part of the radiation emitted by the substance enters the optical element and exits the optical element as effective radiation.

Abstract: An optoelectronic component comprises an organic layer sequence (1), which emits an electromagnetic radiation (15) having a first wavelength spectrum during operation, and also a dielectric layer sequence (2) and a wavelength conversion region (3) in the beam path of the electromagnetic radiation (15) emitted by the organic layer sequence (1). The wavelength conversion region (3) is configured to convert at least partially electromagnetic radiation having the first wavelength spectrum into an electromagnetic radiation (16) having a second wavelength spectrum. The dielectric layer sequence (2) is arranged in the beam path of the electromagnetic radiation (15) emitted by the organic layer sequence between the organic layer sequence (1) and the wavelength conversion region (3) and is at least partially opaque to an electromagnetic radiation having a third wavelength spectrum, which corresponds to at least one part of the second wavelength spectrum.

Abstract: A lighting may include at least one semiconductor light source which emits primary light, at least one phosphor region spaced apart from the at least one semiconductor light source and serving for at least partly converting the primary light into secondary light, and at least one filter disposed downstream of the at least one phosphor region, wherein the at least one filter is partly reflective at least to the primary light.

Abstract: A converter arrangement may include a converter element, including crystal or ceramic, having at least one luminescent substance, and a cooling element for dissipating heat from the converter element, wherein the converter element and the cooling element are connected in direct physical contact with one another. A method for producing a converter arrangement is also disclosed. A converter element including crystal or ceramic, having at least one luminescent substance, for dissipating heat from the converter element, is connected to a cooling element such that the converter element and the cooling element are physically in direct contact with one another.

Abstract: The invention relates to a phosphor wheel comprising a carrier (16) and a plurality of pre-manufactured, individual, jointed segments (20) that are mounted on the carrier (16). At least a few of the segments (20) comprise a luminescent substance.

Abstract: A converting element for converting emitted light from one or more light-emitting diodes is disclosed. The converting element may include a matrix material, and at least one phosphor, wherein the converting element further comprises a component, which is either a thermochromic dye or a phase change medium.

Abstract: A wavelength conversion body (1; 11) for generating wavelength-converted light (S) from primary light (P) shone into the wavelength conversion body (1; 11), comprising: a light guide body (2; 12) which is optically transmissive for the primary light (P) and the wavelength-converted light; (S), and at least one phosphor body (6; 16) having a phosphor, wherein the light guide body (2; 12) is monolithically connected to the at least one phosphor body (6; 16).

Abstract: A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted.

Abstract: A method for manufacturing a phosphor device may include: providing an optical transmitting member having a first end face and a second end face, whereby the optical transmitting member is designed for guiding exciting light entering through the first end face onto a phosphor layer arranged on the second end face, whereby at least a part of the exciting light is being wavelength-converted by the phosphor layer, and whereby the optical transmitting member is further designed for at least partially collecting and guiding the light converted by the phosphor layer; attaching an optically transparent electrode on the second end face of the optical transmitting member; providing a phosphor and a counter-electrode designed for electrophoretic deposition of the phosphor; and depositing a phosphor layer on the optically transparent electrode by means of electrophoretic deposition, thereby using the optically transparent electrode as a coating electrode.

Abstract: A lighting device may include at least one phosphor region which can be irradiated by a primary light source, and at least one optical filter region which can be disposed downstream of the at least one phosphor region, wherein the at least one phosphor region and the at least one filter region are arranged at a different level on a common support wheel.

Abstract: An optoelectronic component with a semiconductor body that comprises an active semiconductor layer sequence is disclosed, which is suitable for generating electromagnetic radiation of a first wavelength that is emitted from a front face of the semiconductor body. The component also comprises a first wavelength conversion substance following the semiconductor body in its direction of emission, which converts radiation of the first wavelength into radiation of a second wavelength different from the first wavelength, and a first selectively reflecting layer between the active semiconductor layer sequence and the first wavelength conversion substance that selectively reflects radiation of the second wavelength and is transparent to radiation of the first wavelength.

Abstract: This invention relates to a phosphor assembly with a phosphor element for converting pump light into converted light, and an optical system for transmitting converted light and/or pump light. Therein, a liquid immersion material is provided in a gap between the phosphor element and the optical system, wherein an excess of immersion material enables a continuous exchange of the material in the gap and thus provides a cooling.

Abstract: A luminescent device is disclosed comprising a luminescent substance for the conversion of pump light, wherein a scattering body which scatters the pump light is provided. The pump light input into the scattering body may first be scattered at inert scatterers provided in the scattering body and subsequently converted. Light scattered at luminescent particles may also be simultaneously converted.

Abstract: A light system based on at least two chips, in particular LEDs containing chips, wherein a means for at least partially converting the radiation of a first chip is provided, wherein a layer containing a phosphor as conversion means is mounted in front of a first chip intended for the conversion, which phosphor-containing layer convers at least some of the primary radiation of the first chip into secondary radiation, wherein the second chip emits radiation with a greater wavelength than the first chip, wherein the layer is arranged spaced apart from the first chip, wherein the second chip is arranged in such a way that its radiation is substantially not absorbed by the phosphor.