Abstract: A lamp, comprising at least one light source (3), arranged in a housing (1) having at least one light exit opening, and at least one reflector (4), which is shaped in such a way that the light coming from the light source (3) is divided into at least two light beams, the light exit opening being at least partially covered by a cover panel (5), which has two surface portions (5a, 5b) on which the respectively corresponding light beams impinge, the surface portions (5a, 5b) being shaped in such a way that the predominant part of the light beams that is respectively directed onto a surface portion (5a, 5b) impinges on the surface portion (5a, 5b) at an angle of incidence which is less than 60°, in order to reduce the reflections from the cover panel (5).

Abstract: An optical system including at least one light source, such as a LED source (10), and an optics (30) subjected to aging as a result of exposure to the light source (10) is designed by: defining an aging model for the optics (30), defining a thermal model for the light source (10, 100) as a spatial function representative of the temperature generated by the light source (10, 100), and defining the distance of the optics (30) from the light source (10) as a function of the aging model and the thermal model. The optical overall system (single or multiple reflector and lens) is finally optimised starting from the results achieved in the previous steps.

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: A lighting module may include a light source; a lens arranged at a distance from the light source; and a reflector; wherein the lens is configured and arranged to have a wide-angle emission characteristic and to direct a proportion of the light incident from the light source onto the reflector, wherein the proportion is at least 30%.

Abstract: A luminaire housing (100, 200, 300, 400, 500) having an upper region and a lower region and a channel (110, 210, 310, 410, 415, 510), wherein the channel (110, 210, 310, 410, 415, 510) is connected to an air-exit opening (120, 220, 225, 320, 325, 420, 425) in the upper region and is connected to an air-entry opening (130, 230, 330, 430, 435, 530) in the lower region, and wherein the luminaire housing (100, 200, 300, 400, 500) also comprises an accommodating space for a lighting module (250, 550), which is arranged so that the lighting module (250, 550), in the installed state, is located on the channel (110, 210, 310, 410, 415, 510).

Abstract: A lamp, comprising at least one light source (3), arranged in a housing (1) having at least one light exit opening, and at least one reflector (4), which is shaped in such a way that the light coming from the light source (3) is divided into at least two light beams, the light exit opening being at least partially covered by a cover panel (5), which has two surface portions (5a, 5b) on which the respectively corresponding light beams impinge, the surface portions (5a, 5b) being shaped in such a way that the predominant part of the light beams that is respectively directed onto a surface portion (5a, 5b) impinges on the surface portion (5a, 5b) at an angle of incidence which is less than 60°, in order to reduce the reflections from the cover panel (5).

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: An optical system including at least one light source, such as a LED source (10), and an optics (30) subjected to aging as a result of exposure to the light source (10) is designed by: defining an aging model for the optics (30), defining a thermal model for the light source (10, 100) as a spatial function representative of the temperature generated by the light source (10, 100), and defining the distance of the optics (30) from the light source (10) as a function of the aging model and the thermal model. The optical overall system (single or multiple reflector and lens) is finally optimised starting from the results achieved in the previous steps.

Abstract: A lighting module may include a light source; a lens arranged at a distance from the light source; and a reflector; wherein the lens is configured and arranged to have a wide-angle emission characteristic and to direct a proportion of the light incident from the light source onto the reflector, wherein the proportion is at least 30%.

Abstract: An LED illumination system comprising an LED light source (3) which emits light (8) in a main direction (9) and a first optical element (1), a second optical element (2) is arranged downstream of the first optical element (1) in the main direction (9), and the second optical element (2) has on a light entrance surface (6) which faces the LED light source (3) a surface structure (4) that comprises a plurality of pillow-shaped prominences (5).

Abstract: A cooling apparatus with a cooling space which is especially suited for storing perishable foods is given. In the cooling apparatus there is a UV radiation source which is suited to emitting electromagnetic radiation from the ultraviolet region, and in its operation the cooling space is irradiated with this radiation. Via the electromagnetic radiation it is fundamentally possible to kill microorganisms such as bacteria and molds and thus to disinfect the refrigerator and the free surfaces contained in the cooling space as well as the air of the cooling space.

Abstract: An illumination arrangement comprising a plurality of light-emitting semiconductor components (1), arranged in a row, a diffuser (2), which is illuminated by the light-emitting semiconductor components during operation of the illumination arrangement, intermixes light emitted by the semiconductor components during operation and has a light coupling-out area (200) remote from the semiconductor components, and two mutually opposite, reflective longitudinal side faces (3), between which the row of light-emitting semiconductor components is arranged, which run perpendicular or obliquely with respect to the light coupling-out area, and which reflect at least part of the light emitted by the light-emitting semiconductor components during operation in the direction toward the light coupling-out area.

Abstract: An LED illumination system comprising an LED light source (3) which emits light (8) in a main direction (9) and a first optical element (1), a second optical element (2) is arranged downstream of the first optical element (1) in the main direction (9), and the second optical element (2) has on a light entrance surface (6) which faces the LED light source (3) a surface structure (4) that comprises a plurality of pillow-shaped prominences (5).

Abstract: A lighting device is described that comprises a plurality of light sources (1a, 1b, 1c, 1d, 1e, 1f), each of which generates a respective ray bundle (3a, 3b) and has a respective collimating optic (2a, 2b, 2c, 2d, 2e, 2f) associated with it, and a collecting optic (4) having an entrance side and an exit side, wherein each collimating optic (2a, 2b, 2c, 2d, 2e, 2f) directs the ray bundle of the respective associated light source (1a, 1b, 1c, 1d, 1e, 1f) to the entrance side of the collecting optic (4) and the ray bundles are collectively extracted through the exit side.

Abstract: A light module (1) comprising a plurality of radiation-emitting semiconductor components (2), each of which is assigned an emission angle (2?), comprising at least one component having an optical element (9) that enlarges the emission angle (2?), and comprising a common optical device for focusing the radiation. The radiation is intermixed by means of the optical element (9). Also disclosed is a light multiple module (16), which has at least two light modules (1).