OLED 조명을 위한 Yellow, Orange, Red 인광 재료

정효철; 박영일; 김범진; 박종욱; Hyocheol Jung; Young-Il Park; Beomjin Kim; Jongwook Park

Applied Chemistry for Engineering, Vol.26, No.3, 247-250, June, 2015

DOI10.14478/ace.2015.1061 Export Citation

OLED 조명을 위한 Yellow, Orange, Red 인광 재료

Yellow, Orange, and Red Phosphorescent Materials for OLED Lightings

정효철, 박영일¹, 김범진¹, 박종욱^†

가톨릭대학교 화학화
¹한국화학연구원 그린정밀화학연구센터

Hyocheol Jung, Young-Il Park¹, Beomjin Kim¹, and Jongwook Park^†

Department of Chemistry, Catholic University of Korea, 43 Jibongro, Wonmigu, Bucheonsi, Gyenggido 420-743, Republic of Korea
¹Research Center for Green Fine Chemicals, Korea Research Institute Technology, 45 Jonggaro, Junggu, Ulsan 681-802, Republic of Korea

E-mail:

초록

유기 발광 다이오드(OLED)는 학문 및 산업 분야에서 많은 관심을 받아왔다. OLED는 기존에 사용되고 있는 광원들과 는 달리 면 발광, 친환경적인 에너지 사용, 대면적, 초경량, 그리고 초박형 등의 차별화된 특징을 가지고 있기 때문에 최근 조명 시장에서 많은 관심을 받고 있다. 게다가, OLED 조명은 LED 형광등을 대체할 수 있는 차세대 조명으로써 주목되고 있다. 본 논문에서는 white OLED (WOLED)에 적용되고 있는 대표적인 인광 발광 재료들을 소개하며, 특히 yellow, orange, red 인광 물질들의 화학구조와 소자효율을 정리하였다. 이러한 선행연구의 물질들을 이해하고 인광물질들을 체계적으로 분류함으로써 새로운 발광 재료를 연구하고 개발함에 있어서 많은 도움이 되리라고 생각한다.

Organic light-emitting diode (OLED) research field has received great attention from academic and industrial circles. Recently, The technical feature of OLEDs is more and more attractive in the lighting market, including area emission characteristics different from other existing light sources. Features are environmentally friendly and efficient use of energy, large area, ultra-light weight, and ultrathin shape, etc. Furthermore, OLED light became the mainstream of next-generation lighting to replace the light emitting diode (LED) fluorescent light. This article summarizes phosphorescent emitting materials that have been applied to white OLEDs. In particular, the chemical structures and device performances of the important yellow, orange, and red phosphorescent emitting materials is discussed. Systematic classification and understanding of the phosphorescent materials can aid the development of new light-emitting materials.

Keywords:OLED lightings;phosphorescence;yellow;orange;red

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[2] Shen ZL, Burrows PE, Bulovic V, Forrest SR, Thompson ME, Science, 276(5321), 2009 (1997)

[3] Forrest SR, Org. Electron., 4, 45 (2003)

[4] Duggal AR, Shiang JJ, Heller CM, Foust DF, Appl. Phys. Lett., 80, 3470 (2002)

[5] D'Andrade BW, Forrest SR, Adv. Mater., 16(18), 1585 (2004)

[6] Wang CP, Wu MH, Lin HW, Pan HC, Liu BH, Jou JH, J. Mater. Chem., 20, 6626 (2010)

[7] Chang YL, Song Y, Wang Z, Helander MG, Qiu J, Chai L, Liu Z, Scholes GD, Lu Z, Adv. Funct. Mater., 23, 705 (2012)

[8] Reineke S, Lindner F, Schwartz G, Seidler N, Walzer K, Lussem B, Leo K, Nature, 459, 234 (2009)

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[10] Fan C, Zhu L, Jiang B, Li Y, Zhao F, Ma D, Qin J, Yang C, J. Phys. Chem. C, 117, 19134 (2013)

[11] Jou JH, Lin YX, Peng SH, Li CJ, Yang YM, Chin CL, Shyue JJ, Sun SS, Lee M, Chen CT, Liu MC, Chen CC, Chen GY, Wu JH, Li CH, Sung CF, Lee MJ, Hu JP, Adv. Funct. Mater., 24(4), 555 (2014)

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[14] Cao H, Shan G, Wen X, Sun H, Su Z, Zhong R, Xie W, Lia P, Zhua D, J. Mater. Chem. C, 1, 7371 (2013)

[15] Wang RJ, Liu D, Ren HC, Zhang T, Yin HM, Liu GY, Li JY, Adv. Mater., 23(25), 2823 (2011)

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[20] Fukagawa H, Shimizu T, Hanashima H, Osada Y, Suzuki M, Fujikake H, Adv. Mater., 24(37), 5099 (2012)