Luminous diode arrangement with reflector
First Claim
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1. A luminaire comprising:
- a concave dome-shaped reflector having a longitudinal axis and an opening having an area;
a light source, including a carrier located in the vicinity of said opening at said longitudinal axis, said light source further including a plurality of controllable luminous diode chips arranged on a surface of said carrier which faces said reflector, the areas of said carrier surface and of said opening having a ratio between 1;
3 and 1;
20; and
a cooling body arranged on a surface of the carrier surface which faces away from said reflector.
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Abstract
The invention relates to a luminaire having a light source (2) which has at least one light emitting semiconductor, and having a, as seen from the light source (2), concave reflector (1), the light source (2) being arranged in substance in the longitudinal axis of the reflector (1). In accordance with the invention, the light source (2) is of a plurality of luminous diodes (4) arranged on a carrier surface (3) and controllable, the ratio between the carrier surface (3) and the opening of the reflector (1) being between 1:3 and 1:20.
14 Citations
9 Claims
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1. A luminaire comprising:
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a concave dome-shaped reflector having a longitudinal axis and an opening having an area;
a light source, including a carrier located in the vicinity of said opening at said longitudinal axis, said light source further including a plurality of controllable luminous diode chips arranged on a surface of said carrier which faces said reflector, the areas of said carrier surface and of said opening having a ratio between 1;
3 and 1;
20; and
a cooling body arranged on a surface of the carrier surface which faces away from said reflector. - View Dependent Claims (2, 3, 8, 9)
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4. A luminaire comprising,
a concave dome-shaped reflector having a longitudinal axis and an opening having an area; -
a light source, including a carrier located in the vicinity of said opening at said longitudinal axis, said light source further including a plurality of controllable luminous diode chips arranged on a surface of said carrier which faces said reflector, the areas of said carrier surface and of said opening having a ratio between 1;
3 and 1;
20; and
a cooling body arranged on a surface of the carrier surface which faces away from said reflector wherein said light source is held by current or control lines. - View Dependent Claims (5, 6, 7)
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Specification