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STN Display

STN uses the electric field to change the arrangement of the original twisted liquid crystal molecules above 180 degrees to change the optical rotation state, and the external electric field changes the electric field by scanning line by line. In the process of repeatedly changing the voltage of the electric field, the recovery process of each point is slow, thus resulting in afterglow. Its advantage is small power consumption, has the biggest advantage of power saving.
The display principle of color STN is to add a color filter to the traditional monochrome STN LCD display, and divide each pixel in the monochrome display matrix into three sub-pixels, respectively through the color filter to display the red, green and blue three primary colors of the color filter, can display the color picture. Unlike TFT, STN belongs to passive Passive-type LCD, which can generally display 65,536 colors. 

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