Direct lighting


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Direct lighting

Lighting provided from a source without reflection from other surfaces. In daylighting, this means that the light has traveled on a straight path from the sky (or the sun) to the point of interest. In electrical lighting, it usually describes an installation of ceiling-mounted or suspended luminaires with mostly downward light-distribution characteristics.

direct lighting

Lighting in which luminaires distribute 90% to 100% of the emitted light in the direction of the surface to be illuminated, usually in a downward direction.
References in periodicals archive ?
The line voltage occupancy sensor provides direct lighting control with 0-10v LED driver compatibility.
Turning down the direct lighting will enable the background--the FR-4 substrate--to become very dark so that the software can analyze the white ring registered by the vision system and find the center.
Warhol, an admirer of Edward Steichen's simplicity and hard, direct lighting, collected cameras by the bagful to take with him on his ritualized, nightly peregrinations through Manhattan, wandering from cocktail hour to dinner party to disco.
Charlie Egerton's Win The Toss looked likely to make a winning start over hurdles at Market Rasen until running wide turning for home, and he is given another chance in the Consumer Direct Lighting and GE Lighting Claiming Hurdle (2.
Direct lighting uses overhead luminaires that provide downward lighting.
Betts, with over 8 years of direct lighting sales experience, had worked previously with Super Vision Brazil and Super Vision Canada, independent companies that successfully sold Super Vision products in those countries.
7 supports full direct lighting effects, with shadow-casting, transparency, colored lighting effects with pixel-level interpolation, and anti-aliased rendering with unlimited resolution.
The flat panel displays customarily used by the portable computer technology manufacturer are often unable to handle direct lighting conditions and will almost entirely wash out in direct sunlight," said Ken Duckman, president and CEO of Enhanced Services Co.