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June 17, 2021 | 0 Comment(s)

Display lighting - Creating the perfect scene

In Applications

Object Lighting or Display Lighting of objects may be categorized in two ways - by a Display Rating and a Drama Factor

Display Rating

This rating concerns the truth or representative nature of lighting - in other words the quality of lighitng intended to depict objects, such as artifacts in a museum or products in a shop, in their true shape and form. 

Drama Factor

This rating concerns the degree of impact or drama that the lighting offers - for example the lighting of objects in a gallery or shop window, so as to create points of exceptional interest or effect, which may or not necessarily be truthful to the object's original form or condition. Used as part of an overall lighting, a high drama factor can add the necessary delight associated with good lighting design.

 As rule of thumb, the higher Drama Factor you achieve, the less well lit will be the objects, in terms of revealing their entire form. However the reverse is not true: you can and should expect to achieve a high Drama Factor with excellent Display Rating.

Display Rating (DR)
Drama Factor (DF)

DR = 100 DF = 100

Display Rating - Poor; Drama Factor - Very High
Here a Pin Spot directed from above, right and forward of the object has immense impact. However, without spill light or background lighting, very little of the statuette is revealed.

DR = 30 DF = 80

Display Rating - Fair; Drama Factor - High
Here an Accent Spot also directed from above right and forward of the object, but with a wider beam and some spill light, reveals more of the statuette and its mounting surface. However, the presentation of this three-dimensional object is still not good.

DR = 100 DF = 50

Display Rating - Excellent; Drama Factor - Good
Here is the best example of display lighting. Three different sources are used: a Pin Spot from above right; an Accent Spot from above left and a Flair Spot from the left rear. The object outline is clear as are its lower contours. Additional luminaires may be necessary for objects viewed from more than one direction - and in such cases one must be careful of glare.

DR = 25 DF = 20

Display Rating - Poor; Drama Factor = Low
The object is lit with an overhead, linear fluorescent source in a louvre luminaire. It appears bland and, except for the top, is poorly defined. Some directionality in the lighting is badly needed.