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本工作研究了一种基于光电泳现象的新型图象显示系统。显示盒由电极—光导层—悬浮体(微粒和悬浮流体)—背电极的夹层结构组成。可见图象通过三个阶段产生:(1)施加外部电压,(2)在加电压的同时曝光光图象,(3)短路显示盒。这种显示的重要特征是工作时曝光区微粒和电极之间不需作电荷交换。另外,该系统允许使用光灵敏度低的微粒。本文研究了光导层厚度、光强、外部电压和流体组分对光特性的影响,并讨论了工作时作用在微粒上的力。
This work has studied a new type of image display system based on photoelectrophoresis. The display box consists of a sandwich structure of electrode-photoconductive layer-suspension (particles and suspension fluid) -back electrode. The visible image is produced in three stages: (1) applying an external voltage, (2) exposing the light image while applying voltage, and (3) shorting the display box. An important feature of this display is that there is no need for charge exchange between the exposed particles and the electrode during operation. In addition, the system allows the use of light-sensitive particles. In this paper, the effects of light guide layer thickness, light intensity, external voltage and fluid composition on the optical properties were studied. The forces acting on the particles during working were also discussed.