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Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm‐White Light‐Emitting Devices with High Color‐Rendering Index at High Luminance. Issue 28 (12th May 2016)
Record Type:
Journal Article
Title:
Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm‐White Light‐Emitting Devices with High Color‐Rendering Index at High Luminance. Issue 28 (12th May 2016)
Main Title:
Novel Emitting System Based on a Multifunctional Bipolar Phosphor: An Effective Approach for Highly Efficient Warm‐White Light‐Emitting Devices with High Color‐Rendering Index at High Luminance
Abstract : A three‐color warm‐white organic light‐emitting diode employing an efficient phosphor–phosphor type host–guest emitting system achieves efficiencies of 27.3% for external quantum efficiency and 74.5 lm W –1 for power efficiency at a luminance of 1000 cd m –2, which maintained the high levels of 24.3% and 45.8 lm W −1 at 10 000 cd m −2, with a stable color‐rendering index of 86–87.