Abstract: An illuminating device includes a tubular light guide, a plurality of light-emitting devices, and a base. The tubular light guide has a light input edge and an inner space. The light-emitting devices are distributed at the light input edge to provide lights into the tubular light guide. The base supports the light-emitting devices and the tubular light guide. The base also has an electronic circuit to provide power to the light-emitting devices. The base has at least one air circulation hole for connecting an outer space with the inner space.

Abstract: An illuminating apparatus includes a plurality of light source units and a light guide plate. The light guide plate has a flat part and a protruding part, wherein the light source units provide a side light beam into the light guide plate at an edge surface, the side light beam is guided in the light guide plate and exits at the protruding part.

Abstract: A light module includes a light guide plate, a light bar, and a first reflector. The light guide plate has a first edge surface, a second edge surface, and a top surface serving as a light-outgoing surface. The light bar is disposed on the first edge surface for providing an edge light source into the light guide plate. The light bar has a plurality of light-emitting devices. The first reflector is disposed on the second edge surface to reflect light back to a region above the light bar.

Abstract: A lighting device includes a light guide body and at least one light-emitting unit. The light guide body has a light guide channel and a local roughened surface on the light guide channel as a scattering region. The at least one light-emitting unit is capable of emitting a light into the light guide channel, wherein at least one portion of the light is guided to the scattering region, and the scattering region scatters the light as a local light source region.

Abstract: A light source of LED includes at least one first LED and at least one second LED. The first LED has a first optical illuminant characteristic varying with a variable operation voltage from a first level to a second level, wherein the first level is larger than the second level. The second LED has a second optical illuminant characteristic varying with the variable operation voltage from a third level to a fourth level, wherein the third level is smaller than the fourth level. The first LED and the second LED are simultaneously controlled by the same variable operation voltage to produce a light.

Abstract: An illumination apparatus includes a light guide plate and at least one light emitting element. The light guide plate includes a light transmissive substrate, a plurality of first diffusion net points, and a plurality of second diffusion net points. The light transmissive substrate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The first diffusion net points and the second diffusion net points are disposed on the second surface. A portion of the first diffusion net points at least partially overlaps the second diffusion net points. The size of the first diffusion net points is smaller than the size of the second diffusion net points. The light emitting element is disposed beside the light incident surface and capable of emitting a light beam. A light guide plate is also provided.

Abstract: A light guide plate (LGP) includes a first surface, a second surface, and a plurality of light incident surfaces. The first surface is a light-emitting surface. The light incident surfaces connect the first surface and the second surface. The second surface has a plurality of ring-shaped grooves. Depths of the ring-shaped grooves are gradually decreased from a place close to a center of the LGP towards places close to the light incident surfaces. Each of the ring-shaped grooves has a first ring-shaped side wall surface and a second ring-shaped side wall surface. The second ring-shaped side wall surface is opposite to the first ring-shaped side wall surface and located between a geometry center of the ring-shaped groove and the first ring-shaped side wall surface. The first ring-shaped side wall surface is a tilted surface. In addition, a light source apparatus is also provided.

Abstract: A luminous means having a first, light-transmissive carrier (1), a second carrier (3), and an organic layer stack (4), which is arranged between the first carrier (1) and the second carrier (3), at least one electrical connection region (5) being provided on the rear side (4), which faces away from the first carrier (1), of the second carrier (3), which connection region is provided for connecting the luminous means (20) to a further, identical luminous means. In addition, the invention specifies a lighting device with such a luminous means.

Abstract: The invention relates to a lamp with a first light source generating white light, comprising at least one fluorescent lamp (2) or an incandescent lamp, as well as a second light source comprising at least one set of light-emitting diodes (4, 5; 300), and comprising a reflector (1) for the light emitted by the light sources, wherein a cooling device (6, 7) for the at least one set of light-emitting diodes (4, 5) is attached to the reflector (1) and is thermally linked to the at least one set of light-emitting diodes (4, 5), and wherein the lamp comprises a translucent and light-dispersing medium (3) in the optical path of the light emitted by the lamp.

Abstract: A lamp arrangement is disclosed, with at least one low-pressure discharge lamp, in particular, a compact fluorescent lamp to generate a main illumination with at least one discharge bulb, fitted in a socket and at least one alternative light source, in particular, a light diode arrangement with at least one light diode (LED) for generation of an alternative illumination. According to the invention, the light diode arrangement is at least partly arranged in the vicinity of cold spots on the low pressure discharge lamp.

Abstract: An illuminated bottle closure with a dispenser function for a hollow body is provided. The illuminated bottle closure may include at least one light source, wherein the at least one light source is configured to be switched on for a predetermined time when the dispenser is actuated and illuminates at least one of the liquid dispensed and the liquid contained in the dispenser.

Abstract: An organic luminous means and an illumination device comprising such a luminous means are described. An optical display apparatus, emergency lighting, motor vehicle interior lighting, an item of furniture, a construction material, a glazing and a display comprising such a luminous means and, respectively, comprising an illumination device having such a luminous means are also described.

Abstract: The invention relates to a lamp with a first light source generating white light, comprising at least one fluorescent lamp (2) or an incandescent lamp, as well as a second light source comprising at least one set of light-emitting diodes (4, 5; 300), and comprising a reflector (1) for the light emitted by the light sources, wherein a cooling device (6, 7) for the at least one set of light-emitting diodes (4, 5) is attached to the reflector (1) and is thermally linked to the at least one set of light-emitting diodes (4, 5), and wherein the lamp comprises a translucent and light-dispersing medium (3) in the optical path of the light emitted by the lamp.

Abstract: A lamp includes at least one luminous source (14, 6, 8), in particular a low-pressure discharge lamp, for producing main illumination and having at least one alternative luminous element (22), in particular a light-emitting diode arrangement having at least one LED, for producing alternative illumination, which are arranged on a cap (12) , and having electronics, wherein a switching arrangement, which can be actuated manually, for operating the lamp in the main illumination mode, the alternative illumination mode or in both illumination modes at the same time is provided in the cap.

Abstract: A lamp arrangement is disclosed, with at least one low-pressure discharge lamp, in particular, a compact fluorescent lamp to generate a main illumination with at least one discharge bulb, fitted in a socket and at least one alternative light source, in particular, a light diode arrangement with at least one light diode (LED) for generation of an alternative illumination. According to the invention, the light diode arrangement is at least partly arranged in the vicinity of cold spots on the low pressure discharge lamp.

Abstract: The invention relates to a light module comprising a backlit surface element, a light source flatly applied to said surface element or connected thereto and to a light system comprising a plurality of said light modules.

Abstract: A luminous means having a first, light-transmissive carrier (1), a second carrier (3), and an organic layer stack (4), which is arranged between the first carrier (1) and the second carrier (3), at least one electrical connection region (5) being provided on the rear side (4), which faces away from the first carrier (1), of the second carrier (3), which connection region is provided for connecting the luminous means (20) to a further, identical luminous means. In addition, the invention specifies a lighting device with such a luminous means.

Abstract: An energy transducer module (1) which has a turbine (2) for converting the flow energy of a fluid (4) to rotation energy, and has a generator (3) for converting the rotation energy to electrical energy, with the energy transducer module (1) being provided as an energy source for a unit which produces radiation. The energy transducer module (1) can alternatively be used as a flow sensor.

Abstract: The invention relates to a preferably large-format image display device that is constructed from a plurality of individual silent gas discharge lamps.

Abstract: The invention relates to a flat discharge lamp (1) comprising a base plate and a front plate which are connected to a vessel containing an ionizable charge. The exterior side of the front plate which is fitted as a visible surface is provided at least partially with a layer (8). The inventive discharge lamp (1) can be used as a lighting tile.