The 5 most common lighting technologies
We show the differences and advantages of the most common lighting technologies.

Everyone knows the first light bulb was invented by Thomas Edison in 1879. Since its EU-wide banning in 2012 the successor lighting technologies have gained more importance. Especially the always evolving LED technology offers more and more new applications in architecture projects and at home through its compact design and ability to be dimmed.


Comparison of the efficiency of lighting techniques in lumens / watt

In this overview, we explain the differences and benefits of the 5 most common lighting technologies, such as energy saving technology and LED. Older lighting technologies can be used for reference.

LED technology

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Definition

LEDs – the abbreviation stands for “Light Emitting Diode” or “Light Emitting Diode”. These electronic semiconductor devices convert significantly more energy into light than heat. Compared to traditional light bulbs they are enormously economical and environmentally friendly.

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Lifespan

• 20.000 – 100.000 hours
• after that the bulb doesn’t turn off but significantly decreases its brightness after time


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Available sockets

• E14 & E27
• G4, G9, GU4, GU5.3, GY6.35, GU10
• R7s halogen rods
• PAR30 & PAR38
• AR111 & G53
• T8 tubes and other versions

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Advantages

• light source with no UV and infrared components
• extremely small size and thus applicable in many fields
• the light can be scattered with lenses and diffusers
• high light output with low power consumption (lm / W)

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Available light colors

• all colors possible from cold white 6000K warm white 2500K to extra
• neutral warm light can be reached at 3000K

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Dimmable

the light bulb must be designed for dimming

Energy saving tech

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Definition

Also referred to as “compact fluorescent lamp”. An energy-saving lamp defines as any energy-saving bulb with a better energy efficiency than conventional bulbs. They have an integrated electronic control gear (ECG).

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Lifespan

up to 10.000 hours

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Available sockets

• E14 & E27
• G9, GU10
• R7s halogen rods
• PAR30 & PAR38
• T8 tubes and other versions

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Advantages

• efficiency of fluorescent lamps installed in more compact forms such as E27, E14, etc.
• thermal output is 5 times as efficient as an old light bulb with the same light output (lumens)

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Available light colors

all colors possible from cold white 6000K warm white 2500K to extra

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Dimmable

the light bulb must be designed for dimming

Low-voltage halogen

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Definition

Bulbs that are working on a low voltage basis operate with a 12V transformer. Their architecture is similar to the old light bulb technology but a with halogen-gas. The advantage of the low voltage protection is obvious. It is basically allowing humans and animals to touch it and can therefore be used where standard 230V voltages are problematic, e. g. in bathrooms.

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Lifespan

up to 3.000 hours

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Available sockets

• GU5,3 & GU4
• G4 & GY6,35 (the numbers stand for the base spacing of the individual socket contacts in mm)

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Advantages

• 2-5 times longer lifespan than old light bulbs
• dimmable (reverse phase control dimmer)
• compact design enable sophisticated lighting solutions
• use in damp rooms without problems (when used correctly)
• different beam angles available (spot effect)

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Available light colors

most common colors: 2500-3000K

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Dimmable

the bulb is dimmable as standard

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Attention

banned since September 2016 in accordance with EU regulation which means only the stock models with an energy efficiency class of A-B are still available

High-voltage halogen

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Definition

High-voltage halogen bulbs are thermal light spots which can be directly connected to 230-240V, similar to convential bulbs.

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Lifespan

up to 2.000 hours

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Available sockets

• E14 & E27
• G9, GU10/GZ10
• R7s
• B15d

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Advantages

• no transformer required
• dimmable (phase control dimmer)
• approximately twice as long lifespan as a conventional bulb

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Available light colors

most common colors: 2800-3000K

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Dimmable

the bulb is dimmable as standard

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Attention

banned since September 2016 in accordance with EU regulation which means only the stock models with an energy efficiency class of A-B are still available

Incandescent light bulb

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Definition

It’s a light bulb which produces light with a wire filament heated to a high temperature of 2.500°C by an electric current passing through it, until it glows. The lamp interior is filled with gas which prevents a burning of the filament.

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Lifespan

up to 1.000 hours

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Available sockets

E14 & E27

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Advantages

• No transformer required
• dimmable (phase control dimmer)

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Available light colors

most common colors: 2400-2900K


tonality

Dimmable

the bulb is dimmable as standard

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Attention

banned since September 2016 in accordance with EU regulation which means only the stock models with an energy efficiency class of A-B are still available


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