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Lighting - Types of light source
Written by richart khalil   

Because light quality affects the color of wall finishes, curtains and upholstery, we find different types of light source to create varying qualities in light to suit the particular tasks and functions in the home.

Nowadays, a wide selection of artificial lighting is available, giving you the illumination choice from subtle to bright, diffused to focus.

  1. Natural light: the most important light source that a designer should consider before planning a scheme for artificial light. Where does it enter your home, and how does it fall at different times of day? Windows, apertures, stores, curtains, blinds and shutters all offer possibilities for using daylight to create color, pattern and movement in a room.
  2. Tungsten: since its introduction, the tungsten-filament incandescent has established itself as the universal household light bulb. It has some relevant advantages: being familiar and widely available, casts an attractive warm light, cheaply made and sold, don’t need a transformer and the glass bulb contains non-toxic gases.
  3. Halogen: brighter and whiter than ordinary tungsten bulbs, it gives a fresh, clean light to complement the modern homes interior. It comes in two models: the mains-voltage halogen – which works well in track lights – and the low-voltage halogen – which are good for spots.
  4. Mini-fluorescents: found in variety of sizes and wattages, these bulbs saves energy while fitting a wide range of domestic lighting fittings. Fluorescents went major developments into the last year making them cheaper on the long term than tungsten, easy dimmed and available in warmer light.
  5. Fiber optics: currently expensive, fiber optics is most often used in galleries, clubs, hotels and museums for special effects. They have several advantages: they don’t generate heat except at the light source, suitable for water use; they can be bent and twisted; ideal for illuminating fragile object due to low temperature and low ultraviolet content.
  6. Candlelight and imitations: candlelight has maintained its appeal long after the advent of electricity, not for the quantity of light it gives but for its quality. Nowadays and where the fire hazard is a public safety issue, there are various forms of bulb and fitting that imitates candles.

Technology and design progress is more and more presenting eco-friendly, economical, efficient light sources. There is no more excuses for the designer.

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