[1] . W. Tang, S. A. VanSlyke. Organic electroluminescent- diodes[J]. Applied Physics Letters, 1987, 51: 913-915.

[2] . Berggren, M. Granstroim, O. Inganas, M. Andersson. Ultraviolet electroluminescence from an organic light emitting diode[J]. Advanced Materials, 1995, 7: 900-903.

[3] . Ichikawa, K. Kobayashi, T. Koyama, Y. Taniguchi. Intense and efficient ultraviolet electroluminescence from organic light-emitting devices with fluorinated copper phthalocyanine as hole injection layer[J]. Thin Solid Films, 2007, 515: 3932-3935.

[4] . M.-C. Ng, A. B. Djurisic, K.-H. Tam, K. W. Cheng, W.-K. Chan, H. L. Tam, K.-W. Cheah, A. W. Lu, J. Chan, A. D. Rakic. 3,4,9,10-Perylenetetracarboxylicdiimide as an interlayer for ultraviolet organic light emitting diodes[J]. Optics Communications, 2008, 281: 2498-2503.

[5] A. Mikami, Y. Mizuno, S. Takeda. 17.2: High Efficiency Ultraviolet Light Emitting Organic Devices and Its Application to White Light Source[C]. SID Symposium Digest of Technical Papers, 2008, 39: 215-218.

[6] . -H. Yuan, S. Hoshino, S. Toyoda, H. Suzuki, M. Fujiki, N. Matsumoto. Room-temperature near-ultraviolet electroluminescence from a linear silicon chain[J]. Applied Physics Letters, 1997, 71: 3326-3328.

[7] . Suzuki, S. Hoshino, C. H. Yuan, M. Fujiki, S. Toyoda, N. Matsumoto. Near-ultraviolet Light-emitting diodes based on σ-conjugated linear silicon-backbone polymers[J]. IEEE journal of selected topics in quantum electronics, 1998, 4: 129-136.

[8] . Sharma, M. Katiyar, Deepak, S. Seki, S. Tagawa. Room temperature ultraviolet emission at 357 nm from polysilane based organic light emitting diode[J]. Applied Physics Letters, 2006, 88: 143511-143513.

[9] . Sharma, M. Katiyar, Deepak, S. Seki, Polysilane based organic light emitting diodes: Simultaneous ultraviolet and visible emission[J]. Journal of Applied Physics, 2007, 102: 084506-084507.

[10] H. Zhang, B. Yang, Y. Zheng, G. Yang, L. Ye, Y. Ma, X. Chen, G. Cheng, S. Liu. New Biphenyl Derivative with Planar Phenyl-Phenyl Conformation in Crystal at Room Temperature Exhibits Highly Efficient UV Light-Emitting[J]. The Journal of Physical Chemistry, 2004, B108: 9571-9573.

[11] . E. Burrows, A. B. Padmaperuma, L. S. Sapochak, P. Djurovich, M. E. Thompson. Ultraviolet electroluminescence and blue-green phosphorescence using an organic diphosphine oxide charge transporting layer[J]. Applied Physics Letters, 2006, 88: 183503-183503.

[12] . F. Qiu, L. D. Wang, H. Y. Chen, M. Wong, H. S. Kwok. Room-temperature ultraviolet emission from an organic light-emitting diode[J]. Applied Physics Letters, 2001, 79: 2276-2278.

[13] . Okumoto, Y. Shirota. Development of high-performance blue--violet-emitting organic electroluminescent devices[J]. Applied Physics Letters, 2001, 79: 1231-1233.

[14] . Okumoto, Y. Shirota. New Class of Hole-Blocking Amorphous Molecular Materials and Their Application in Blue-Violet-Emitting Fluorescent and Green-Emitting Phosphorescent Organic Electroluminescent Devices[J]. Chemistry of Materials, 2003, 15: 699-707.

[15] . C. Chao, Y. T. Lin, C. Y. Yang, T. S. Hung, H. C. Chou, C. C. Wu, K. T. Wong. Highly Efficient UV Organic Light-Emitting Devices Based on Bi(9,9-diarylfluorene)s[J]. Advanced Materials, 2005, 17: 992-996.

[16] . Etori, X. L. Jin, T. Yasuda, S. Mataka, T. Tsutsui. Spirobifluorene derivatives for ultraviolet organic light-emitting diodes[J]. Synthetic Metals, 2006, 156: 1090-1096.

[17] . -H. Zhou, Y.-H. Niu, F. Huang, M. S. Liu, A. K. Y. Jen. Highly Efficient UV-Violet Light-Emitting Polymers Derived from Fluorene and Tetraphenylsilane Derivatives: Molecular Design toward Enhanced Electroluminescent Performance[J]. Macromolecules, 2007, 40: 3015-3020.

[18] . Zou, V. Savvate'ev, J. Booher, C. H. Kim, J. Shinar. Combinatorial fabrication and studies of intense efficient ultraviolet--violet organic light-emitting device arrays[J]. Applied Physics Letters, 2001, 79: 2282-2284.

[19] . F. Xiang, Z. X. Xu, V. A. L.Roy, C. M. Che, P. T. Lai, P. J. Zeng, F. F. Niu, Y. W. Liu, W. Q. Tang, C. J. He, H. B. Niu. Star-configured carbazole as an efficient near-ultraviolet emitter and hole-transporting material for organic light-emitting devices[J]. Applied Physics Letters, 2008, 92: 073305.

[20] J. Lian, F. F. Niu, Y. W. Liu, P. J. Zeng. Color-stable efficient ultraviolet organic light emitting devices based on a new carbazole derivative emitter[J] (be submitted).

[21] . Kinoshita, H. Kita, Y. Shirota. A Novel Family of Boron-Containing Hole-Blocking Amorphous Molecular Materials for Blue- and Blue-Violet-Emitting Organic Electroluminescent Devices[J]. Advanced Functional Materials, 2002, 12: 780-786.

[22] . Etori, T. Yasuda, X. L. Jin, K. Fujita, S. Mataka, T. Tsutsui. Design of Multilayer Structure for UV Organic Light-Emitting Diodes Based on 2-(2-Naphthyl)-9,9'-spirobifluorene[J]. Jpn. J. Appl. Phys., 2007, 46: 5071-5076.