Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer

Young Min Kim, Joo Won Lee, Jung Soo Park, Jai Kyeong Kim, Man Young Sung, Byeong Kwon Ju, Min Ho Lee, Seung Kill Yun

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Highly efficient and bright organic light-emitting diodes (OLEDs) have been realized using thin alkali compound films (TACFs) as the electron pump layer (EPL) in the tris-(8-hydroxyquinoline) aluminum (Alq 3) with conventional organic layers. By comparing the performance of the device as a function of position with the EPL, we propose the optimal position of the EPL in Alq 3. Experimental results show that the efficiency of device with EPL is four times higher than that without.

Original languageEnglish
Title of host publicationSID Conference Record of the International Display Research Conference
Pages404-407
Number of pages4
Volume2005
Publication statusPublished - 2005
Event25th Internatioanl Display Research Conference, EURODISPLAY 2005 - Edinburgh, SCO, United Kingdom
Duration: 2005 Sep 202005 Sep 22

Other

Other25th Internatioanl Display Research Conference, EURODISPLAY 2005
CountryUnited Kingdom
CityEdinburgh, SCO
Period05/9/2005/9/22

Fingerprint

Organic light emitting diodes (OLED)
Pumps
Electrons
Aluminum

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kim, Y. M., Lee, J. W., Park, J. S., Kim, J. K., Sung, M. Y., Ju, B. K., ... Yun, S. K. (2005). Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer In SID Conference Record of the International Display Research Conference (Vol. 2005, pp. 404-407)

Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer . / Kim, Young Min; Lee, Joo Won; Park, Jung Soo; Kim, Jai Kyeong; Sung, Man Young; Ju, Byeong Kwon; Lee, Min Ho; Yun, Seung Kill.

SID Conference Record of the International Display Research Conference. Vol. 2005 2005. p. 404-407.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kim, YM, Lee, JW, Park, JS, Kim, JK, Sung, MY, Ju, BK, Lee, MH & Yun, SK 2005, Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer in SID Conference Record of the International Display Research Conference. vol. 2005, pp. 404-407, 25th Internatioanl Display Research Conference, EURODISPLAY 2005, Edinburgh, SCO, United Kingdom, 05/9/20.
Kim YM, Lee JW, Park JS, Kim JK, Sung MY, Ju BK et al. Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer In SID Conference Record of the International Display Research Conference. Vol. 2005. 2005. p. 404-407
Kim, Young Min ; Lee, Joo Won ; Park, Jung Soo ; Kim, Jai Kyeong ; Sung, Man Young ; Ju, Byeong Kwon ; Lee, Min Ho ; Yun, Seung Kill. / Efficiency improvement of Alq 3-based OLEDs using thin alkali compound films as an electron pump layer SID Conference Record of the International Display Research Conference. Vol. 2005 2005. pp. 404-407
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AB - Highly efficient and bright organic light-emitting diodes (OLEDs) have been realized using thin alkali compound films (TACFs) as the electron pump layer (EPL) in the tris-(8-hydroxyquinoline) aluminum (Alq 3) with conventional organic layers. By comparing the performance of the device as a function of position with the EPL, we propose the optimal position of the EPL in Alq 3. Experimental results show that the efficiency of device with EPL is four times higher than that without.

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