摘要:
The invention relates to an UV lamp (100) that may for example be used as a torch for crime inspection. The UV lamp (100) comprises a light source (50), e.g. an UV LED, and a reflector (30) which are designed such that a light spot comprising an inner region of a given minimal diameter D at an axial distance of about 8-D is produced which has an intensity variation of less than about 20%. The reflector (30) may preferably be a Compound Parabolic Concentrator (CPC) with a high aspect ratio. Moreover, the UV lamp (100) may comprise a luminescent indicator for making activity of the UV lamp visible to a user.
摘要:
The invention relates to a lamp and a method, preferably adapted for generating high power in laser applications. The lamp (1) comprises a source (3) adapted for emitting optical radiation along an optical path and a holder (5) comprising a fluorescent body (4), wherein the holder (5) is arranged in the optical path, a collecting unit (8) is provided which is adapted for transmitting at least a portion of optical radiation emitted by the fluorescent body (4) to an output of the lamp (1), and the fluorescent body (4) comprises a shape being elongated in a predetermined direction. In this way, a small spot and little divergence is provided in conjunction with good heat dissipation leading to a high optical performance.
摘要:
A lamp and a method for generating high power in laser applications includes a source for emitting optical radiation along an optical path and a holder configured in the optical path having a fluorescent body. The lamp and method further include a collecting unit configured to transmit at least a portion of the optical radiation emitted by the fluorescent body to an output of the lamp. The fluorescent body includes a shape that is elongated in a predetermined direction. Accordingly, providing a small spot and little divergence in conjunction with good heat dissipation leads to a high optical performance.
摘要:
A radiation device (30) for providing radiation to the skin is described. The radiation device comprises a radiation guide (31) for directing radiation whereby the radiation guide (31) is configured for receiving radiation from at least one radiation source (20) in a side-lit configuration. The radiation device (30) comprises moisture transfer channels (32) inside the radiation guide (31) for enabling moisture transfer from the skin through the radiation guide (31) to the environment. The shape of the walls of the moisture transfer channels (32) is adapted for redirecting radiation in the radiation guide (31) towards the skin.
摘要:
A flexible light therapy device, a bandage and a plaster for providing a therapeutic effect to a treatment target area (226) of a living being are provided. The flexible light therapy device comprises a light source (214) for emitting light (220), a light transmitting element (212) and a heat management means (210). The light transmitting element (212) is of a flexible light transmitting material and is optically coupled to the light source (214). The light transmitting element (212) comprises a light exit window (222) to emit the light (220) towards the treatment target area (226). The heat management means (210) is thermally coupled to the treatment target area (226) and distributes heat and controls the distribution of heat across the treatment target area (226). Part of the distributed heat may originate from the light source (214).
摘要:
A flexible light therapy device, a bandage and a plaster for providing a therapeutic effect to a treatment target area (226) of a living being are provided. The flexible light therapy device comprises a light source (214) for emitting light (220), a light transmitting element (212) and a heat management means (210). The light transmitting element (212) is of a flexible light transmitting material and is optically coupled to the light source (214). The light transmitting element (212) comprises a light exit window (222) to emit the light (220) towards the treatment target area (226). The heat management means (210) is thermally coupled to the treatment target area (226) and distributes heat and controls the distribution of heat across the treatment target area (226). Part of the distributed heat may originate from the light source (214).
摘要:
The invention relates to an illumination system (100), a projection device, and a color wheel (20, 22, 24). The illumination system comprises a light source comprising a first light-emitting unit (50) and a second light-emitting unit each emitting light towards a light output window (110). The illumination system comprises the color wheel including a spoke (40) between two adjacent color segments. The system is configured to prevent the spoke when transiting the optical path (80) between the light source and the light output window to simultaneously transit a first optical path between the first light-emitting unit and the light output window and a second optical path between the second light-emitting unit and the light output window. The illumination system further comprises a drive unit (92) which is configured for switching off the first light-emitting unit during a time interval (p1) when the spoke transits the first optical path.
摘要:
The invention relates to a lamp assembly for illuminating a surface comprising a cavity (5) having a substantially diffuse reflective surface (6), said cavity having an open aperture (7) facing said surface to be illuminated, and a plurality of light emitting diodes (9 A, 9B, 9C) capable of emitting visible light (LA, LB, LC). The light emitting diodes are arranged on or near said diffuse reflective surface of said cavity such that light emitted from said light emitting diodes is capable of reflecting from said diffuse reflective surface towards said surface to be illuminated.
摘要:
A method for the manufacture of a wavelength converted light emitting device is provided. A light curable coating material is arranged on the outer surface of a wavelength converted light emitting diode. The light curable coating material is cured, in positions where a high intensity of unconverted LED-light encounters the curable coating material. The method can be used to selectively stop unconverted light from exiting the device, leading to a wavelength converted LED essentially only emitting converted light.
摘要:
A collimating module is presented. The collimating module comprises a rounded light entry side and a rectangular light exit side. A collimating device is also presented, and a method for providing collimated light. The collimating device comprises a first collimator having a light entry side and a light exit side, a scattering component having a light entry surface arranged adjacent to said light exit side, and a light exit surface. The collimating device further comprises a collimating module having a light entry side arranged adjacent to said light exit surface.