uplight

n.

向上的照明器，向上照射的灯；

Uplight with suspended fixture
Luminaire with uplight
Angular distribution of uplight at 10,000 ft over Berlin
Twin-unit asymmetric distribution luminaire with uplight
Correlations of Roadway UUD Values to UPD, Uplight and Classifications
Two camera system for measurement of urban uplight angular distribution
Two camera system for measurement of urban uplight angular distribution
Roadway Lighting Design for Optimization of UPD, STV and Uplight
Adjustable luminaire for selectively controlling uplight/downlight ratio
Self leveling bracket/stabilizer for flourescent lighting fixtures with controlled uplight capability