Novaled developed a 15 cm x15 cm white OLED device with a thickness of less than 2 mm. The Novaled OLED stack allows for a natural and warm white light performing a very high color rendering index (CRI) of 90. The perception of this light is similar to sunlight or what is delivered by incandescent bulbs. The achieved color coordinates of (0.44, 0.41) are inside the US Department of Energy (DoE) quadrangles at Illuminant A and even meet the more restrictive 7step MacAdams Ellispis around Illuminant A. By reaching 30 lm/W on a 15x15 cm area, the company asserts it achieved an intermediate step in line with the European project OLED100.
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Large-Area OLEDs Fulfill International Lighting Specs
Fri, 08/21/2009 - 7:42am