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日本NHK广播技术研究所成功研制了光利用效率高,响应速度快适应于大画面投射型显示的聚合物液晶显示用的空间光调制元件。它具有对比度高及信号放大能力大幅度提高的优点,能用彩色图像显示的反射型空间光调制元件克服了过去由于读出光的菲涅耳反射以及光导电层产生漏光存在显示图像对比度降低的问题,新开发高性能的减反膜以及光吸收层a—SiGeC∶H膜也都是过去难以解决的问题。该研究所,又利用该元件制成绿色光图像投影系统,用高的消光比
NHK Broadcasting Technology Research Institute of Japan successfully developed a space light modulation device for polymer liquid crystal display with high light utilization efficiency and fast response suitable for large-screen projection display. The utility model has the advantages of high contrast ratio and greatly improved signal amplification capability. The reflective spatial light modulation device capable of displaying the color image overcomes the decrease of the contrast of the image caused by the Fresnel reflection of the readout light and the light leakage generated by the photoconductive layer in the past Problems, newly developed high-performance anti-reflection film and light absorption layer a-SiGeC: H film are also difficult to solve in the past. The Institute, also using the components made of green light image projection system, with high extinction ratio