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很多笔记本电脑和台式PC机的监视器都采用薄膜晶 体管液晶显示器（TFT-LCD）。TFT-LCD的特点是已具 备相当高的分辨率和彩色活动图像显示能力,而且还有足 够的显示亮度。但因为TFT-LCD需要背照光源透射过LCD板,因而美中不足的是功耗可观,又占居一定空间。 TFT-LCD的厚度和重量制约了它的更广泛应用,例如,它 不符合便携式应用领域的要求。 自二十世纪九十年代开始,人们试图通过不用背照光 的方法,探讨实现薄型化、重量轻和低电力消耗的新型TFT-LCD。因为这种方法是利用周围的光线反射显示图 像,故称反射型（Reflective type）TFT-LCD。实际上, 真正实现明亮显示的反射型TFT-LCD,必须解决诸多的 研究课题。本文以NEC功能器件研究所现在已经开发出的
Many laptops and desktop PC monitors use thin film transistor liquid crystal displays (TFT-LCDs). TFT-LCD is characterized by already has a very high resolution and color active image display capabilities, but also enough display brightness. However, because the TFT-LCD needs a backlight source to transmit through the LCD panel, the fly in the air is the considerable power consumption and a certain amount of space. The thickness and weight of the TFT-LCD constrain its wider use, for example, it does not meet the requirements of portable applications. Since the 1990s, attempts have been made to explore a new type of TFT-LCD that achieves thinness, light weight and low power consumption by using a backlight-free method. Because this method is to use the surrounding light reflection display image, it is called Reflective type TFT-LCD. In fact, the true realization of bright reflective reflective TFT-LCD, must solve many research topics. This article has been developed by the NEC Functional Devices Institute