LED

The LED unit radiates more vertically downwards. Less light is lost inside the luminaire, more light passes in the direction of the merchandise. The radiation characteristics differ markedly from those of an HID lamp. In case of the LED, the direct share of the luminous flux which is not captured by the reflector is markedly higher than in the case of an HID lamp. The radiation characteristics of the LED unit as a result necessitate a new application of the reflector technology.

                    
General diffusion of LED unit                          LED unit + reflector

Active cooling

According to this principle, the LED unit is connected directly to a cooling case within the luminaire. By means of a vibration mechanism or fan the cooling air is led past the LED unit and the heat is discharged from the luminaire. The active cooling equipment is necessary for high lumen packages and makes smaller structural shapes possible. The active cooling as in the case of the Take TKL spotlight makes a high lumen package possible with 3,000 lm as well as a small, attractive luminaire design.

Passive cooling:

The principle of the passive cooling technology makes use of the luminaire body behind the reflector and the LED unit. The heat is distributed over a large area and led away from the LED. It is a safe kind of cooling which does not consume any additional energy. LEDs with a high electrical output require a large cooling area which adversely affects the luminaire design by means of the larger structural shape. The luminaire characteristics of the Brick BML demands passive cooling. Integration of an active cooling case is not possible without changing the nature of the luminaire. It provides a high-performance lumen package with 2,000 lm as well as an attractive design.