1. 毕业设计（论文）的内容和要求

继节能荧光灯和led之后，有机发光器件（oled）因具有超轻薄、全固态、自发光、颜色丰富、响应快、低功耗、可柔性化等诸多性能，备受科学界和产业界的重视。

虽然发展迅速，但是oled仍然需要进一步提高发光效率，才能够真正与led相媲美。

目前的oled由于器件中各层材料的折射率不能够很好匹配，特别在ito/玻璃界面处会发生严重的全反射，这样会让大部分的光被陷在薄膜结构和玻璃基板中，导致外部量子效率比内量子效率显著要低。

2. 参考文献

[1] Tang C W, Vanslyke S A. Organic electroluminescent diodes [J]. Applied Physics Letters, 1987, 51(12): 913-915. [2] Tang C W, Vanslyke S A and Chen C H. Electroluminescence of doped organic thin films. Journal of Applied Physics, 1989, 65(9):3610~3616. [3] Baldo M A, Brien D F O, You Y, et al. Highly efficient phosphorescent emission from organic electroluminescent devices [J].Nature, 1998, 395:151~154. [4] Sun Y U, Giebink N C, Kanno H, et al. Management of singlet and triplet excitons for efficient white organic light-emitting devices [J]. Nature, 2006, 440: 908~912. [5] Reineke S, Lindner F, Schwartz G, et al. White organic light-emitting diodes with fluorescent tube efficiency [J]. Nature, 2009, 459: 234~238. [6] Tyan Y S, Rao Y Q, Ren X F, et al. Tandem hybrid white OLED devices with improved light extraction [J]. SID Symposium Digest of Technical Papers, 2009, 40(1): 895~898. [7] Yang J P, Bao Q Y, Xu Z Q, et al. Light out-coupling enhancement of organic light-emitting devices with microlens array [J]. Applied Physics Letters, 2010, 97(22): 223303. [8] Shiang J J, Duggal A R. Application of radiative transport theory to light extraction from organic light emitting diodes [J]. Journal of Applied Physics, 2004, 95(5): 2880. [9] Sun Y R, Forrest S R. Enhanced light out-coupling of organic light-emitting devices using embedded low-index grids [J]. Nature Photonics, 2008(2): 483~487. [10] Takada N, Tsutsui T, Saito S. Control of emission characteristics in organic thin-film electroluminescent diodes using an optical-microcavity structure [J]. Applied Physics Letters, 1993, 63(15): 2032~2034. [11] Gu G, Garbuzov D Z, Burrows P E, et al. High-external-quantum-efficiency organic light-emitting devices [J]. Optics Letter, 1997, 22(6): 396~398. [12] Benisty H, Stanley R, Mayer M. Method of source terms for dipole emission modification in modes of arbitrary planar structures [J]. Journal of the Optical Society America A, 1998, 15(5), 1192~1201. [13] Wang Z B, Helander M G, Xu F X, et al. Optical design of organic light emitting diodes [J]. Journal of Applied Physics, 2011, 109(5): 053107 [14] Epstein A, Tessler N, and Einziger P D. The impact of spectral and spatial exciton distributions on optical emission from thin-film weak-microcavity organic light-emitting diodes [J]. IEEE Journal of Quantum Electron, 2010, 46(9): 1388-1395. [15] Ishihara, K., et al.Organic light-emitting diodes with photonic crystals on glass substrate fabricated by nanoimprint lithography. Applied Physics Letters, 2007, 90:111114. [16] Kazuyuki Yamae, Hiroya Tsuji, et al. High-Efficiency White OLEDs with Built-up Outcoupling Substrate,2012, SID 51.4 [17] Sei-Yong Kim, Jang-Joo Kim, Outcoupling efficiency of organiclight emitting diodes and the effect of ITO thickness[J],Organic Electronics,2010,11:1010 [18] Nowy, S, Krummacher B C, Frischeien J, et al. Light extraction and optical loss mechanisms in organic light-emitting diodes: Influence of the emitter quantum efficiency. Journal of Applied Physics, 2008 104(12):123109. [19] Meerheim, R., Furno M, Hofman S, et al. Quantification of energy loss mechanisms in organic light-emitting diodes. Applied Physics Letters, 2010, 97:253305.

3. 毕业设计（论文）进程安排

2016.12.12-2017.1.2, 文献调研，完成开题报告 1.3-1.13,完成英文翻译 3.14-4.21, 深刻理解OLED发光机理,建立光学模型，学习和掌握FDTD模拟软件 4.22-5.5, 进行FDTD模拟、初步分析结果和中期检查 5.6-5.26,进一步完善模拟结果,并分析全部数据 5.27-6.2,论文撰写 6.3-6.6,论文修改 6.7-6.14,准备PPT，答辩