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New York State Energy and Research Development Authority

Measuring OLED Lumen Depreciation

There currently is no standard for measuring and reporting the lumen depreciation of organic light-emitting diodes (OLEDs). As an area source, OLEDs experience depreciation of not only light output but also uniformity. LRC researchers investigated a method for measuring OLED panels using an imaging photometer.

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LRC Solid-State Lighting Program

Rensselaer Polytechnic Institute
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