What Are the Different Types of Light Bulbs?

When the energy of the Sun is not enough, the bulbs take over. However, all the lights do not in the same way, or with the same efficiency. Discover the different types of light bulbs.

In France, the consumption ofenergy dedicated to lighting account for 12% of total consumption of electricity of the country (numbers Ademe 2013-2014). Every household would have some 25 points of light. The market, several types of bulbs are competing.

Incandescent Bulbs

There are a wide variety of incandescent bulbs : pear, spherical, shaped in different colors clear or frosted glass, screw or bayonet, etc. However, we should rather say that there ‘was’ a variety of incandescent bulbs. Indeed, since the 1St of January 2013, they are banned from sale, especially because of their low efficiency.

Indeed, the incandescent bulbs turn that 5 to 8 percent of their electric consumption light ; the remainder is converted into heat. The light output of these filament bulbs varies so between 12 and 20 lumens by Watt (lm/W).

Halogen Bulbs

Renowned for their power, halogen bulbs are a little better than the bulbs incandescent, with 18 to 25 lm/W. Their high power yet requires us to use indirect lighting, illuminating a Wall or the ceiling, which reduces their performance without lowering their consumption.

Always in order toenergy efficiencythe European Commission has decided to ban the marketing of light bulbs Halogen as of September 2018.

Cfls (For Saving Energy Or Low Energy)

CFLs are derived from the technology of the fluorescent tubes or neon tubes. They are also called “energy saving bulbs” or «» lamps low consumption “and light more efficiently: 60 to 100 lm/W. Thus, a CFL can consume up to five times less electricity than an incandescent bulb.

Their development has considerably reduced their biggest flaws concerning usability: the delay in the ignition and appearance.

Light-Emitting Diodes, Or LED

The first bulbs LED (for Light-emitting diode, in English) are not new, but it took a few technological developments (better brightness, best color renderingetc.) and a decline in prices for these gradually take a place on the lighting market. Today, their efficiency (more than 100 lm/W), their life, their resistance to shocks and their ease of integration are essential.

However, some warnings related to the large proportion of blue light emitted by the LED bulbs were launched (see our article Are the LEDs dangerous eye?). Thus, it is recommended to stand at a distance (at least 20 centimeters) such light sources.

Use of Types of Bulbs

Judicious use of these different types of bulbs according to their characteristics and practices is the key to efficient and economical lighting at home.

So, places informed for hours, as the parts of life, will enjoy the CFL bulbs. Their fade is also interesting for the lighting of the rooms, especially at the time of the alarm.

Them LED can be used for decoration or to create atmospheres. The multiplication of the light sources used in lighting and Lampshade should provide enough light to dispense with the halogens.

Note We should rather talk of several “types of lamps. Indeed, if one speaks in real life, although “bulb” to designate the object meant to produce light from electricity, the appropriate technical term is “lamp”. The bulb is reducing, from this point of view, the glass bulb which is a part of the lamp.

This bulb in graphene is the thinnest in the world! More than 100 years ago, the filament of the first bulb was already in carbon. Recently, scientists we used the same material to make a bulb in graphene, the thinnest in the world. Here is an explanation of how it works video.

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