LEDs

The development of LEDs has revolutionised the way we use light, and it is continuously enhanced. We follow this development closely and work thoroughly to seize new opportunities.

Colour rendering

MacAdam and CRI (Ra) are two key concepts in lighting that help us to define which colours are perceived as equivalent to the human eye and measure how well a light source renders colours compared to natural light. These concepts are important to understand to create the desired atmosphere and colour quality.

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Working life of LED luminaires

When we talk about “working life”, we are talking about the value at which the luminous efficacy of the luminaire decreases below a minimum threshold, not until it stops shining completely. According to international standards, the working life of LED luminaires must be stated with two declared values: the expected light depreciation for LEDs (L-value) and the theoretical lifetime of the driver. These values must be calculated to determine the working life of a luminaire.

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Light perception and chromaticity

How we perceive artificial light is determined by several factors, such as colour temperature, colour rendering, and colour quality. The light that the human eye perceives as white is a mixture of all colours. LEDs are technically different from incandescent bulbs, and their characteristics are therefore not directly comparable.

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Our LED types

LED stands for Light-emitting diode and it is a semiconductor that emits light when exposed to electricity.

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