what are the advantages of having this types of shades?
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what are the advantages of having this types of shades?
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Answer:
A common form of the lampshade on a floor lamp, for example, uses cloth or paper with a loose weave to block significant amounts of light in a horizontal direction. At the same time, the shade permits light to flow from the top and bottom. This allows light to be more focused below the shade – perhaps for the use of the person sitting in a nearby chair, to permit them to read more easily – and some light to flow to the ceiling, where it is reflected and becomes part of the ambient light in the room.
By blocking the light horizontally, those sitting or walking are unlikely to have the direct glare of the bulb hit them in the eye. Instead, they have the softer reflected light from the ceiling and the much-diffused light through the shade.
shade’s purpose is to protect the eye from the bulb's glare and to direct light from the bulb in the lamp into the room.