Reducing lighting energy use in retail display windows

Jean Paul Freyssinier; Daniel Frering; Jennifer Taylor; Nadarajah Narendran; Patricia Rizzo

doi:10.1117/12.681412

12 September 2006 Reducing lighting energy use in retail display windows

Jean Paul Freyssinier, Daniel Frering, Jennifer Taylor, Nadarajah Narendran, Patricia Rizzo

Proceedings Volume 6337, Sixth International Conference on Solid State Lighting; 63371L (2006) https://doi.org/10.1117/12.681412
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

A field study was conducted at three clothing stores to validate previous laboratory findings indicating that colored LEDs used as background display lighting could: 1) lower the power demand of accent lighting by up to 50 percent; and 2) provide greater attention capture and visual appeal than current lighting practice. Blue LEDs provided a colored background for window mannequins by illuminating white backdrops. Eliminating fluorescent general lighting and reducing the number and wattage of halogen accent lamps in the display windows reduced the lighting power demand by up to 50 percent. During an eight-week period, more than 700 shoppers rated the attractiveness, eye-catching ability, comfort, and visibility of four different lighting conditions. The results of this field study showed that by introducing color contrast between the displayed objects and the background, the power demand of the accent lighting could be reduced by up to 50 percent without sacrificing visual appeal, visibility, ability to capture the attention of shoppers, and the ability to see the colors of the objects on display. Furthermore, the sales of the products on display were not affected by the 50 percent reduction in lighting.

Citation Download Citation

Jean Paul Freyssinier, Daniel Frering, Jennifer Taylor, Nadarajah Narendran, and Patricia Rizzo "Reducing lighting energy use in retail display windows", Proc. SPIE 6337, Sixth International Conference on Solid State Lighting, 63371L (12 September 2006); https://doi.org/10.1117/12.681412

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