Effects of triplet energies and transporting properties of carrier transporting materials on blue phosphorescent organic light emitting devices J Lee, N Chopra, SH Eom, Y Zheng, J Xue, F So, J Shi Applied Physics Letters 93 (12), 2008 | 271 | 2008 |
High efficiency blue phosphorescent organic light-emitting device N Chopra, J Lee, Y Zheng, SH Eom, J Xue, F So Applied Physics Letters 93 (14), 2008 | 242 | 2008 |
Efficient deep-blue phosphorescent organic light-emitting device with improved electron and exciton confinement Y Zheng, SH Eom, N Chopra, J Lee, F So, J Xue Applied Physics Letters 92 (22), 2008 | 164 | 2008 |
High efficiency and low roll-off blue phosphorescent organic light-emitting devices using mixed host architecture N Chopra, JS Swensen, E Polikarpov, L Cosimbescu, F So, ... Applied Physics Letters 97 (3), 2010 | 141 | 2010 |
Effect of the charge balance on high-efficiency blue-phosphorescent organic light-emitting diodes N Chopra, J Lee, Y Zheng, SH Eom, J Xue, F So ACS applied materials & interfaces 1 (6), 1169-1172, 2009 | 124 | 2009 |
White phosphorescent organic light-emitting devices with dual triple-doped emissive layers SH Eom, Y Zheng, E Wrzesniewski, J Lee, N Chopra, F So, J Xue Applied physics letters 94 (15), 2009 | 123 | 2009 |
Organic infrared upconversion device DY Kim, DW Song, N Chopra, P De Somer, F So Advanced Materials 22 (20), 2260-2263, 2010 | 120 | 2010 |
Cavity effects on light extraction in organic light emitting devices J Lee, N Chopra, F So Applied Physics Letters 92 (3), 2008 | 92 | 2008 |
Effect of electron injection and transport materials on efficiency of deep-blue phosphorescent organic light-emitting devices SH Eom, Y Zheng, E Wrzesniewski, J Lee, N Chopra, F So, J Xue Organic Electronics 10 (4), 686-691, 2009 | 83 | 2009 |
Low voltage and very high efficiency deep-blue phosphorescent organic light-emitting devices SH Eom, Y Zheng, N Chopra, J Lee, F So, J Xue Applied Physics Letters 93 (13), 2008 | 69 | 2008 |
An ambipolar phosphine oxide-based host for high power efficiency blue phosphorescent organic light emitting devices E Polikarpov, JS Swensen, N Chopra, F So, AB Padmaperuma Applied Physics Letters 94 (22), 2009 | 67 | 2009 |
Down‐conversion white organic light‐emitting diodes using microcavity structure J Lee, N Chopra, D Bera, S Maslov, SH Eom, Y Zheng, P Holloway, J Xue, ... Advanced Energy Materials 1 (2), 174-178, 2011 | 54 | 2011 |
Highly efficient hole injection using polymeric anode materials for small‐molecule organic light‐emitting diodes KR Choudhury, J Lee, N Chopra, A Gupta, X Jiang, F Amy, F So Advanced Functional Materials 19 (3), 491-496, 2009 | 51 | 2009 |
High-efficiency blue emitting phosphorescent OLEDs N Chopra, J Lee, J Xue, F So IEEE transactions on electron devices 57 (1), 101-107, 2009 | 39 | 2009 |
Stable solution processed hole injection material for organic light-emitting diodes S Ho, C Xiang, R Liu, N Chopra, M Mathai, F So Organic Electronics 15 (10), 2513-2517, 2014 | 25 | 2014 |
Phosphorescent organic light emitting diodes with a cross-linkable hole transporting material C Xiang, N Chopra, J Wang, C Brown, S Ho, M Mathai, F So Organic Electronics 15 (7), 1702-1706, 2014 | 25 | 2014 |
Hole transport compositions and related devices and methods (I) CT Brown, N Chopra, CR Knittel, M Mathai, V Seshadri, J Wang, ... US Patent 9,577,194, 2017 | 24 | 2017 |
Doping methods for hole injection and transport layers V Seshadri, N Chopra US Patent 9,978,473, 2018 | 18 | 2018 |
Hole transport compositions and related devices and methods (II) CT Brown, N Chopra, CR Knittel, M Mathai, V Seshadri, J Wang, ... US Patent 8,535,974, 2013 | 11 | 2013 |
Vertically phase-separating semiconducting organic material layers CT Brown, N Chopra, V Seshadri, J Wang US Patent 9,397,294, 2016 | 10 | 2016 |