OLED for human centric lighting

Yiren Xia, O. Yin Wan, Kok Wai CHEAH*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

We report the design and fabrication of a single-cell organic light-emitting diode (OLED) whose emission color shifts inline with the broad black-body radiation and the tunability is controlled by applied voltage. Correlated color temperature (CCT) shift from 2500K to 15000K was intrinsically aroused from carrier mobility change in organic layers. The multi-layer OLED design was optimized by calculation of carrier transport and recombination zone location. Emphasis was made on both color and efficiency. Devices reported here can reach consistently high color rendering index (CRI) 94-97 in broad color range from orange to blue, revealing potential in human centric lighting applications.

Original languageEnglish
Pages (from-to)1905-1913
Number of pages9
JournalOptical Materials Express
Volume6
Issue number6
DOIs
Publication statusPublished - 2016

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials

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