Thermoresponsive scattering coating for smart white LEDs

Jurica Bauer; Paul P C Verbunt; Wan Yu Lin; Yang Han; My Phung Van; Hugo J. Cornelissen; Joan J.H. Yu; Cees W.M. Bastiaansen; Dirk J. Broer

doi:10.1364/OE.22.0A1868

Thermoresponsive scattering coating for smart white LEDs

Jurica Bauer
, Paul P C Verbunt
, Wan Yu Lin
, Yang Han
, My Phung Van
, Hugo J. Cornelissen
, Joan J.H. Yu
, Cees W.M. Bastiaansen
, Dirk J. Broer

Research output: Contribution to journal › Article › Academic › peer-review

3 Citations (Scopus)

251 Downloads (Pure)

Abstract

White light emitting diode (LED) systems, capable of lowering the color temperature of emitted light on dimming, have been reported in the literature. These systems all use multiple color LEDs and complex control circuitry. Here we present a novel responsive lighting system based on a single white light emitting LED and a thermoresponsive scattering coating. The coated LED automatically emits light of lower correlated color temperature (CCT) when the power is reduced. We also present results on the use of multiple phosphors in the white light LED allowing for the emission of warm white light in the range between 2900 K and 4150 K, and with a chromaticity complying with the ANSI standards (C78.377). This responsive warm white light LED-system with close-to-ideal emission characteristics is highly interesting for the lighting industry.

Original language	English
Pages (from-to)	A1868-A1879
Number of pages	12
Journal	Optics Express
Volume	22
Issue number	25
DOIs	https://doi.org/10.1364/OE.22.0A1868
Publication status	Published - 1 Jan 2014

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title = "Thermoresponsive scattering coating for smart white LEDs",

abstract = "White light emitting diode (LED) systems, capable of lowering the color temperature of emitted light on dimming, have been reported in the literature. These systems all use multiple color LEDs and complex control circuitry. Here we present a novel responsive lighting system based on a single white light emitting LED and a thermoresponsive scattering coating. The coated LED automatically emits light of lower correlated color temperature (CCT) when the power is reduced. We also present results on the use of multiple phosphors in the white light LED allowing for the emission of warm white light in the range between 2900 K and 4150 K, and with a chromaticity complying with the ANSI standards (C78.377). This responsive warm white light LED-system with close-to-ideal emission characteristics is highly interesting for the lighting industry.",

author = "Jurica Bauer and Verbunt, \{Paul P C\} and Lin, \{Wan Yu\} and Yang Han and Van, \{My Phung\} and Cornelissen, \{Hugo J.\} and Yu, \{Joan J.H.\} and Bastiaansen, \{Cees W.M.\} and Broer, \{Dirk J.\}",

year = "2014",

month = jan,

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doi = "10.1364/OE.22.0A1868",

language = "English",

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TY - JOUR

T1 - Thermoresponsive scattering coating for smart white LEDs

AU - Bauer, Jurica

AU - Verbunt, Paul P C

AU - Lin, Wan Yu

AU - Han, Yang

AU - Van, My Phung

AU - Cornelissen, Hugo J.

AU - Yu, Joan J.H.

AU - Bastiaansen, Cees W.M.

AU - Broer, Dirk J.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - White light emitting diode (LED) systems, capable of lowering the color temperature of emitted light on dimming, have been reported in the literature. These systems all use multiple color LEDs and complex control circuitry. Here we present a novel responsive lighting system based on a single white light emitting LED and a thermoresponsive scattering coating. The coated LED automatically emits light of lower correlated color temperature (CCT) when the power is reduced. We also present results on the use of multiple phosphors in the white light LED allowing for the emission of warm white light in the range between 2900 K and 4150 K, and with a chromaticity complying with the ANSI standards (C78.377). This responsive warm white light LED-system with close-to-ideal emission characteristics is highly interesting for the lighting industry.

AB - White light emitting diode (LED) systems, capable of lowering the color temperature of emitted light on dimming, have been reported in the literature. These systems all use multiple color LEDs and complex control circuitry. Here we present a novel responsive lighting system based on a single white light emitting LED and a thermoresponsive scattering coating. The coated LED automatically emits light of lower correlated color temperature (CCT) when the power is reduced. We also present results on the use of multiple phosphors in the white light LED allowing for the emission of warm white light in the range between 2900 K and 4150 K, and with a chromaticity complying with the ANSI standards (C78.377). This responsive warm white light LED-system with close-to-ideal emission characteristics is highly interesting for the lighting industry.

UR - https://www.scopus.com/pages/publications/84919663869

U2 - 10.1364/OE.22.0A1868

DO - 10.1364/OE.22.0A1868

M3 - Article

AN - SCOPUS:84919663869

SN - 1094-4087

VL - 22

SP - A1868-A1879

JO - Optics Express

JF - Optics Express

IS - 25

ER -

Thermoresponsive scattering coating for smart white LEDs

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