direct-indirect lighting

direct-indirect lighting

Lighting in which the luminaires are in the general diffuse category but emit little or no light at angles near a horizontal plane drawn through them.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
(There were also three variations in the operation of the workstation-specific, direct-indirect luminaires, which resulted in different proportions of indirect illumination, but these were small in comparison to the difference between workstation-specific, direct-indirect lighting and recessed parabolic louvered luminaires.) All the measured locations met or exceeded IES recommendations for work-plane illuminance.