Influence of TFT-LCD pixel structure on holographic representation

Hongjun Wang, Zhao Wang, A. Tian, Bingcai Liu
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Abstract

As a new holographic display device, TFT-LCD (Thin Film Transistor Liquid Crystal Displays) is key technical component of holographic representation for easy controlled by computer. With the development of exquisite processing technology, that it instead of the traditional holographic plate become historical necessity and would be the development direction of holographic optics. Based on principles of holography and display character of LCD, the property which the LCD was used as a holographic plate was analyzed. The emphasis on discuss influence of LCD black matrix on holographic representation. First, analyzed on LCD pixel structure, the LCD pixel structure mathematical model was established. LCD was character representation by pixel structure parameters. Then, the influence of LCD pixels structure on holographic representation was analyzed by computer simulation. Meanwhile, the SONY LCX023 was chosen for holographic plate, the He-Ne laser which the wavelength is 0.6328um was holographic representation light source. The holographic representation system was established for test influence of LCD on holographic representation. Final, compared between computer simulations and optical experimental results, the mathematical model of LCD was proved to be true. When aperture ratio is 0.625, the holographic representation wouldn't be distinguished between representation images. At the same time, some useful results was acquired for improve application effects of LCD in holographic representation.
TFT-LCD像素结构对全息表示的影响
薄膜晶体管液晶显示器(TFT-LCD)作为一种新型全息显示器件,具有易于计算机控制的特点,是全息显示的关键技术部件。随着精密加工技术的发展,使其代替传统的全息制版成为历史的必然,将是全息光学的发展方向。根据全息原理和液晶屏的显示特性,分析了液晶屏作为全息板的特性。重点讨论了LCD黑色矩阵对全息表示的影响。首先对LCD像素结构进行了分析,建立了LCD像素结构的数学模型。LCD采用像素结构参数进行字符表示。然后,通过计算机仿真分析了LCD像素结构对全息表示的影响。同时,全息板选用SONY LCX023,波长为0.6328um的He-Ne激光器作为全息表示光源。建立了全息显示系统,测试LCD对全息显示的影响。最后,将计算机模拟结果与光学实验结果进行了比较,验证了该数学模型的正确性。孔径比为0.625时,表示图像之间不区分全息表示。同时,对提高LCD在全息表示中的应用效果也取得了一些有益的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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