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Contact: A'ndrea Elyse Messer
aem1@psu.edu
814-865-9481
Penn State

White Cards

Caption: This shows the same set of white cards as seen under a violet-pumped light emitting diode (LED) top, and under a blue-pumped LED below.

Credit: Patrick Mansell, Penn State

Usage Restrictions: non commercial use only

Related news release: Under some LED bulbs whites aren't 'whiter than white'


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