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“光阀”这个名词通常用来表示一种含有“开关”或“调制”的光束。然而在显示技术中,术语“光阀”是指这样一类显示器件:它包括一个独立光源和一个可控介质层,是一种能将电荷像转换成等价光像的器件。其中,可控介质层作旋光元件。当外加电能时,介质的光学特性改变。这样,从光源来的光流通过介质层就有所变化,而且变化的大小是正比于外加的电能。通常由电子束来供应电能,因为调制和偏转电子束都很
The term “light valve” is usually used to indicate a light beam that contains “on-off” or “modulation.” In display technology, however, the term “light valve” refers to a display device that includes a separate light source and a controllable dielectric layer, a device that converts a charge image into an equivalent light image. Among them, the controllable dielectric layer for optical components. When external power is applied, the optical properties of the medium change. In this way, the optical flow from the light source through the dielectric layer will change, and the size of the change is proportional to the applied power. Electricity is usually supplied by an electron beam because both modulate and deflect the electron beam