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Electric field distribution in surface-conduction electron-emitter display

Wang Xiu-Feng Li Xin-Bei Zhang Fang-Hui

Electric field distribution in surface-conduction electron-emitter display

Wang Xiu-Feng, Li Xin-Bei, Zhang Fang-Hui
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  • Abstract views:  3532
  • PDF Downloads:  1339
  • Cited By: 0
Publishing process
  • Received Date:  29 October 2005
  • Accepted Date:  14 May 2006
  • Published Online:  20 November 2006

Electric field distribution in surface-conduction electron-emitter display

  • 1. (1)陕西科技大学 材料科学与工程学院,咸阳 712081; (2)陕西科技大学 电气与电子工程学院,咸阳 712081

Abstract: The surface-conduction electron-emitter display(SED) based on tunneling effect is a newly developed flat panel display. It has obvious technical advantages and excellent characteristics and is praised as one of the most advanced displays. Based on the theory of electromagnetism, an equivalent physical model of a single pixel of SED is established. In particular, it shows the exterior charge densities in different parts of the pixel. Furthermore, the electric potential and electric field intensity are studied in detail, and their distribution is simulated with the help of MATLAB 6.5 Software. Finally, a theoretical analysis of the simulated curved surface is given, and the electrical behavior as well as the emission mechanism is explained comprehensively. In order to further interpret the behavior of electrons in SED, we compare this model with the multi-scattering model and the inertial centrifugal force model respectively. It is found that within the limits of error our conclusion on electric field distribution is consistent with that of the inertial centrifugal force model.

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