What is a parabolic louver?
Parabolic Louvers are light diffusers designed to reduce the brightness or glare of fluorescent and other kinds of lighting. A parabolic louver evenly distributes lighting for a more comfortable environment in commercial or office settings.
What is Troffer lighting?
Troffer lighting (aka recessed troffer lighting) is a term that is often used to describe indoor lighting fixtures that are mounted within a ceiling or ceiling grid, hence the term “recessed.” Typical fixture sizes include 1×4 troffers, 2×2 troffers, and 2×4 troffers.
What is a parabolic light fixture?
A parabolic louver could be described as a eggcrate, or metal “ice cube tray”. The louvers are commonly placed in recessed fixtures, and are popular for their ability to reduced the brightness and glare of bare bulbs and evenly distribute the lighting.
What does a prismatic diffuser do?
Prismatic light cover example from Fluorolite Plastics The most commonplace that you find these prismatic light diffusers are usually in recessed light fixtures. If you are in the office look up most of the time you find these flat sheets. The diffuser spreads the light around evenly through space.
What is a light louver?
LOUVER:Grid type of optical assembly used to control light distribution from a fixture. Can range from small-cell plastic to the large-cell anodized aluminum louvers used in parabolic fluorescent fixtures.
What is a prismatic bulb?
Prismatic glass shades are made from cast glass characterised by small ridges on the outside surface. It is these ridges that allow the light to be evenly distributed around the fitting and obscure the light bulb.
Where does the word troffer come from?
The word ‘troffer’ is a portmanteau of ‘trough’ and ‘coffer’.
What are Luminaire diffusers?
Diffuser – This is a translucent or semi-transparent cover that spreads out or scatters light. Using a diffuser will control brightness and give off a soft light relative to the lamps being used. They are typically made of glass or plastic and are used on the bottom or sides of a light fixture.
Do LED lights need diffusers?
LEDs are an energy efficient and long lasting source of light. However, they create hot spots of focused light, which are very intense and bright. Hence, diffusers need to be used for an even distribution of light.