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Infographic - Compare Light Sources

by Chris Johnson

You don’t have to be a lighting expert to know that an incandescent light bulb can’t hold a candle to the efficiency of an LED lamp. But it’s a little more difficult to distinguish between the life expectancy of a xenon light versus a halogen light, or to pinpoint which light source is right for your office. That’s where we come in.

Choosing a Light Source infographic

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Compare Light Sources, text version:

  Fluorescent Halogen Incandescent LED Xenon Candle
Operation When electricity passes through mercury vapor in a glass tube the invisible light given off interacts with the coating in the glass and produces visible light Similar to incandescent except that a small amount of a halogen gas has been added to the inside of the glass envelope When electricity passes through a metal filament to the point of “incandescence” the filament gives off light as well as plenty of heat When electricity passes through  certain diodes (electronic components) they give off light and become a Light Emitting Diodes Very similar to incandescent except a small amount of xenon gas has been added to the inside of the glass envelope Cloth wick surrounded by wax has a small burning flame that often “flickers”
  Fluorescent Halogen Incandescent LED Xenon Candle
of Light
All types of white light (e.g., warm white, cool white, daylight) with good to very good color rendition Crisp white light with very good color rendition Yellowish light with good color rendition Many colors are available including warm white and cool white Similar to incandescent light only slightly less yellow Very yellowish light
  Fluorescent Halogen Incandescent LED Xenon Candle
Strengths Gives off a lot of light and is very energy-efficient; newer, compact models can fit some residential fixtures Good for illuminating art and fitting into small areas; need to be changed less often than incandescent bulbs; can be dimmed; better beam control allows light to be carefully focused Emits a warm light that flatters pretty much all skin tones; inexpensive to purchase; easily dimmable Uses very little energy or space; is inexpensive to operate; gives off with very little heat; can last for years Lasts longer than standard incandescents; can be dimmed; unlike halogen light bulbs the glass can be touched without reducing the life of the light bulb Flame flicker makes everyone look their best and cannot be duplicated by electric light sources
  Fluorescent Halogen Incandescent LED Xenon Candle
Weaknesses Older versions of fluorescent light bulbs can make you look gray-green; many fluorescent fixtures cannot be dimmed The light can be too bright for living rooms or some decorative fixtures; light bulbs and fixtures can become very hot; touching glass will shorten the life of the light bulb Cheaper models burn out quickly; use a lot more energy than fluorescents or halogens; emit a lot of heat Are not yet widely available for home use and certain types of fixtures can be expensive to purchase; cannot be dimmed Not very energy-efficient; emit some heat but not as hot as halogen Fire hazard; candles need to be replaced often to avoid messy half-burned look
  Fluorescent Halogen Incandescent LED Xenon Candle
Comments New fluorescents with new coatings give fluorescent lights a MUCH more flattering glow Have become increasing popular because of their ability to light well The “daylight” varieties (with a bluish tint) are closer to outdoor light than typical incandescent light bulbs Quickly becoming a standard in car dashboards, traffic lights, and taillights; home LEDs often require extra parts to operate Becoming VERY popular for under cabinet lighting Almost everyone looks better in candlelight
  Fluorescent Halogen Incandescent LED Xenon Candle
Links Fluorescent Fixtures

Fluorescent Light Bulbs
Halogen Fixtures

Halogen Light Bulbs
  LED Fixtures Xenon Fixtures

Xenon Light Bulbs


Written by Chris Johnson

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