High color purity as emitting position in blue organic light emitting diodes with DBVBi emitting layer

Chan Jae Lee, Jeong No Lee, Duck Kyun Choi, Jeong In Han

Research output: Contribution to conferencePaper

Abstract

In this paper, we studied color purity of blue organic light emitting diodes (OLEDs) with bottom emission structure by the thickness of organic layers. Although device has same thickness, color index is different by optical length as each layer thickness. Especially, thickness of ETL (Electron transport layer) between emissive layer and mirror is an important factor to realize good color purity. As ETL thickness of blue devices is increased, EL spectrum is broadened and red-shifted.

Original languageEnglish
StatePublished - 2009 Dec 1
Event2009 International Display Manufacturing Conference, 3D Systems and Applications, and Asia Display, IDMC/3DSA/Asia Display 2009 - Taipei, Taiwan, Province of China
Duration: 2009 Apr 272009 Apr 30

Other

Other2009 International Display Manufacturing Conference, 3D Systems and Applications, and Asia Display, IDMC/3DSA/Asia Display 2009
CountryTaiwan, Province of China
CityTaipei
Period09/04/2709/04/30

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    Lee, C. J., Lee, J. N., Choi, D. K., & Han, J. I. (2009). High color purity as emitting position in blue organic light emitting diodes with DBVBi emitting layer. Paper presented at 2009 International Display Manufacturing Conference, 3D Systems and Applications, and Asia Display, IDMC/3DSA/Asia Display 2009, Taipei, Taiwan, Province of China.