透明，它直接影响到触摸屏的视觉效果。透明有透明的程度问题，红外线技术触摸屏和表面声波触摸屏只隔了一层纯玻璃，透明可算，其它触摸屏这点就要好好推敲一番，“透明”，在触摸屏行业里，只是个非常泛泛的概念，很多触摸屏是多层的复合薄膜，仅用透明一点来概括它的视觉效果是不够的，它应该至少包括四个特性：透明度、色彩失真度、反光性和清晰度，还能再分，比如反光程度包括镜面反光程度和衍射反光程度，只不过触摸屏表面衍射反光还没到达CD 盘的程度，对用户而言，这四个度量已经基本够了。 由于透光性与波长曲线图的存在，通过触摸屏看到的图象不可避免的与原图象产生了色彩失真，静态的图象感觉还只是色彩的失真，动态的多媒体图象感觉就不是很舒服了，色彩失真度也就是图中的大色彩失真度自然是越小越好。平常所说的透明度也只能是图中的平均透明度，当然是越高越好。
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