Beam Lighting Engineering

How do LEDs work

LEDs are semiconductor devices which convert electricity into visible light.
When powered (direct polarization), the electrons move through the semiconductor, and some of them fall in a lower energy band. Throughout the process, the energy “saved” is emitted as light.

Technical specifications of LED lights

• Crystal layers treated by chemical vapour deposition (wafer)
• A number of layers are then selected based on their luminosity and colour temperature (chip)
• The chip is mounted on a support to dissipate heat and add current continuity to the system (package)
• Electrical connection
• Lens support
• Protection against external stress
• The rear side of the package emits heat, the front emits light
Technological research has allowed to achieve 161 lm/W for each high voltage LED.
Although not currently in production, this level shows that the development of LED lighting technologies has not yet reached its apex.

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