Color-by-blue display using blue quantum dot light-emitting diodes and green/red color converting phosphors

作者: Ji Hye Oh , Ki-Heon Lee , Hee Chang Yoon , Heesun Yang , Young Rag Do

DOI: 10.1364/OE.22.00A511

关键词: Luminous efficacySubpixel renderingQuantum efficiencyLight-emitting diodeQuantum dotRed ColorMaterials scienceLiquid-crystal displayOptoelectronicsQuantum dot displayOptics

摘要: We report a novel full-color display based on the generation of by highly efficient blue QD-LED light approach, or so called color-by-blue display. This newly proposed combines CdZnS/ZnS subpixel and excitation source with front-emitting green/red phosphor subpixels. It is carefully estimated that detailed characteristics as well full color-conversion reasonable device efficiency blue, green, red satisfy minimum requirements for application. Also, we would like to emphasize shows maximum luminance 1570, 12920, 3120 cd/m², respectively, luminous 1.5, 12.1, 2.5 cd/A, external quantum 6.8, 2.8, 2.0%, respectively. expected color will lead further technological advancements in area facile applications.

参考文章(18)
Young Rag Do, Ki-Young Ko, Sang-Hee Na, Young-Duk Huh, Luminescence Properties of Potential Sr1 − x Ca x Ga2S4 : Eu Green- and Greenish-Yellow-Emitting Phosphors for White LED Journal of The Electrochemical Society. ,vol. 153, ,(2006) , 10.1149/1.2200299
Hiromu Watanabe, Hiroshi Wada, Keiichi Seki, Masumi Itou, Naoto Kijima, Synthetic Method and Luminescence Properties of Sr x Ca1 − x AlSiN3 : Eu2 + Mixed Nitride Phosphors Journal of The Electrochemical Society. ,vol. 155, ,(2008) , 10.1149/1.2829880
Xingwei Wu, Abdul M. Nakua, Color electroluminescent displays ,(2003)
S. J. Lee, J. E. Jang, Y. W. Jin, G. S. Park, S. H. Park, N. H. Kwon, Y. J. Park, J. E. Jung, N. S. Lee, Ji-Beom Yoo, J. H. You, J. M. Kim, Structure and Luminescence Properties of the ZnS:Cu, Al Phosphor for Low Voltage Excitation Journal of The Electrochemical Society. ,vol. 148, ,(2001) , 10.1149/1.1396654
Sang-Hwan Cho, Jeong Rok Oh, Hoo Keun Park, Hyoung Kun Kim, Yong-Hee Lee, Jae-Gab Lee, Young Rag Do, Highly efficient phosphor-converted white organic light-emitting diodes with moderate microcavity and light-recycling filters. Optics Express. ,vol. 18, pp. 1099- 1104 ,(2010) , 10.1364/OE.18.001099
Jeonghun Kwak, Wan Ki Bae, Donggu Lee, Insun Park, Jaehoon Lim, Myeongjin Park, Hyunduck Cho, Heeje Woo, Do Y. Yoon, Kookheon Char, Seonghoon Lee, Changhee Lee, Bright and Efficient Full-Color Colloidal Quantum Dot Light-Emitting Diodes Using an Inverted Device Structure Nano Letters. ,vol. 12, pp. 2362- 2366 ,(2012) , 10.1021/NL3003254
Kyung-Sang Cho, Eun Kyung Lee, Won-Jae Joo, Eunjoo Jang, Tae-Ho Kim, Sang Jin Lee, Soon-Jae Kwon, Jai Yong Han, Byung-Ki Kim, Byoung Lyong Choi, Jong Min Kim, High-performance crosslinked colloidal quantum-dot light-emitting diodes Nature Photonics. ,vol. 3, pp. 341- 345 ,(2009) , 10.1038/NPHOTON.2009.92
Ki-Heon Lee, Jeong-Hoon Lee, Woo-Seuk Song, Heejoo Ko, Changho Lee, Jong-Hyuk Lee, Heesun Yang, Highly Efficient, Color-Pure, Color-Stable Blue Quantum Dot Light-Emitting Devices ACS Nano. ,vol. 7, pp. 7295- 7302 ,(2013) , 10.1021/NN402870E
Jeong Rok Oh, Sang-Hwan Cho, Yong-Hee Lee, Young Rag Do, Enhanced forward efficiency of Y3Al5O12:Ce3+ phosphor from white light-emitting diodes using blue-pass yellow-reflection filter. Optics Express. ,vol. 17, pp. 7450- 7457 ,(2009) , 10.1364/OE.17.007450
Jeong Rok Oh, Hoo Keun Park, Ji Hye Oh, Taejoon Kouh, Young Rag Do, Highly efficient full-color display based on blue LED backlight and electrochromic light-valve coupled with front-emitting phosphors Optics Express. ,vol. 19, pp. 16022- 16031 ,(2011) , 10.1364/OE.19.016022