FOL’s OCEANCLEAR series high‐efficiency IES (internal extraction structure) substrates have actually been applied to Gen‐II line for mass production. White OLED panels made on basis of the IES substrates show a power efficacy of around 95lm/W at 1000cd/m2. A candlelight‐style desk lamp used IES panel shows a color temperature of around 1700k, a power efficacy of 60lm/W at 1000cd/m2. Mass production of IES substrates where achieved by two key technologies: one‐layer coating method and heat‐resisting carrier resin formation.
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