Using Indirect Illumination in Commercial and Office Settings Light from a concealed source diffusely delivered into a defined space is called indirect lighting or indirect illumination. Ceilings often serve as a reflective surface for indirect lighting fixtures. Indirect illumination is used in many commercial applications but is prevalent in office or educational environments. If done…
LED Light Engines Enable the Versatility that Lighting Designers Require. Professional lighting designers bring expertise in both the creative and technical complexities of a lighting design opportunity. Understanding how the light needs to work within the space and what fixtures and controls are the best choice to attain those goals is both and art and…
Keep that line straight! How to maintain precision and consistency with linear lighting fixtures Linear lighting is a popular solution for open floor plans, like commercial offices. Installation of long linear runs requires special care. The fixture’s body needs to be straight and plum in every section. The joints at each fixture body should be…
LED Fixtures and the Color Rendering Index (CRI) The Color Rendering Index (CRI) is a numeric scale established by the International Commission on Illumination (CIE). The CIE has established procedures and standards to evaluate how well an artificial white light source produces quality light when it is illuminating an object compared to under natural sunlight.…
Ugly fixtures and ugly light. Why are you waiting to upgrade from fluorescent to linear LED? Nearly a century after fluorescent glass tubes became a practical lighting option, the end of the T5, T8, and T12 versions of fluorescent tubes appears to be one step closer. Governor Tim Waltz of Minnesota recently signed legislation to…
Defining and Understanding Direct and Indirect Light Let us first define these two types of luminaires by their distribution and then discuss each type’s pros and cons. Direct Lighting Direct lighting luminaires are the category of luminaires where the illumination distribution is in a specific direction. Direct lighting distribution provides higher illumination to task areas…
Wall Washer Lighting Removes Shadows and Provides Even Lighting for Enhanced Visibility Wall-washing is a lighting design application in which the lighting practitioner sets a lighting source either in or on the ceiling plain or on the floor at a greater distance from the wall the luminaire(s) is to illuminate. This location of the wall-wash…
Glamorous or Practical: The Design Flexibility of Linear Light Fixtures Linear lighting fixtures have come a long way in the last century. What was once a simple suspended fluorescent tube evolved into an alternative to rectangular recessed troffers and is now a favorite fixture style for lighting designers in architectural and commercial designs. Linear LED…
Optimize The Placement of Lighting Fixtures For Even Illumination The application of Lambertian properties is a component of light distribution applied to lighting design. Included in these properties are the recognized five types of light distribution, commonly referred to as Types I, II, III, IV and V. These distributions may also be referred to batwing,…