Change of the emission spectra in organic light-emitting diodes by layer thickness modification

C. H. Cheung, A. B. Djurišić*, C. Y. Kwong, Hoi Lam TAM, Kok Wai CHEAH, Z. T. Liu, W. K. Chan, P. C. Chui, J. Chan, A. D. Rakić

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The electroluminescence (EL) and photoluminescence properties of organic light-emitting diodes (LED) were analyzed using layer thickness modification. Investigations show that the EL spectra exhibited significant variation with the increase of the viewing angle. It was found that multiple peak emission could be achieved for a certain range of thickness values. It was concluded that near white emission with CIE coordinates (0.32, 0.43) could be obtained for optimized device thickness.

Original languageEnglish
Pages (from-to)2944-2946
Number of pages3
JournalApplied Physics Letters
Volume85
Issue number14
DOIs
Publication statusPublished - 4 Oct 2004

Scopus Subject Areas

  • Physics and Astronomy (miscellaneous)

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