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Proceedings Article

Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system

[+] Author Affiliations
Bo Mi Lee, Peter Mascher

McMaster Univ. (Canada)

Hyeong Hwa Yu, You Hyun Kim, Nam Ho Kim, Ju An Yoon, Woo Young Kim

Hoseo Univ. (Korea, Republic of)

Proc. SPIE 8412, Photonics North 2012, 841221 (October 23, 2012); doi:10.1117/12.2001394
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From Conference Volume 8412

  • Photonics North 2012
  • Jean-Claude Kieffer
  • Montreal, Canada | June 06, 2012

abstract

In this study, we fabricated highly efficient blue organic light-emitting diodes by designing different emitting layer structures with fluorescent host and dopant materials of 4,4-bis(2,2-diphenylyinyl)-1,10-biphenyl (DPVBi) and 9,10- bis(2-naphthyl) anthracene (ADN) as host materials and 4,4’-bis(9-ethyl-3-carbazovinylene)-1,1’biphenyl (BCzVBi) as a dopant material to demonstrate electrical and optical improvements. Best enhancement in luminance and luminous efficiency were achieved by a quantum well structure and energy transfer between host and dopant materials in device F as of 8668cd/m2 at 8V and 5.16 Cd/A at 103.20 mA/cm2 respectively. Among the blue OLED devices doped by BCzVBi, device B emits the deepest blue emission with Commission Internationale de l’E´ clairage (CIExy) coordinates of (0.157, 0.117) at 8V. © (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Bo Mi Lee ; Hyeong Hwa Yu ; You Hyun Kim ; Nam Ho Kim ; Ju An Yoon, et al.
" Highly efficient blue organic light-emitting diodes using dual emissive layers with host-dopant system ", Proc. SPIE 8412, Photonics North 2012, 841221 (October 23, 2012); doi:10.1117/12.2001394; http://dx.doi.org/10.1117/12.2001394


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