OLED vs. LED Both technologies are classified as solid-state lighting, a type of lighting system that relies on semiconductors that convert electricity into light rather than filaments or gases encased in glass bulbs. However, the similarities end there. Differences in the materials and manufacturing processes used to make the two light sources lead to differing characteristics in the finished products. “One of the main distinguishing characteristics of an LED is that it’s a point source, which makes it a good choice for directional applications. However, if you were to look directly at the diodes, they’re extremely bright – maybe up to 1 million candelas per square meter,” explains Jeannine Wang, director of business development for Acuity Brands’ OLED Business Group. “In order to be able to use the light in a useful fashion, glare control is a big consideration. You need optics to control the light from an LED source.” LED Lighting OLEDs, on the other hand, are
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