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Monochrome LCD Display Hierarchical Structure

LCD technology is the liquid crystal poured into two rows of slots with a fine groove between. The grooves on the two planes are perpendicular to each other (intersecting 90 degrees). Monochrome LCD Display That is, if a plane is arranged in the north-south direction, the molecules on the other plane are arranged in the east-west direction, and the molecules between the two planes are forced into a 90 degree twist state. Monochrome LCD Display As the light travels along the direction of the molecule, the light is twisted by 90 degrees when it passes through the liquid crystal. However, when a voltage is applied to the liquid crystal, the molecules are rearranged so that the light can go straight without any twisting.

The LCD is dependent on the polarized filter (slice) and the light itself. Natural light is randomly divergent in all directions. Polarization filters are actually a series of increasingly fine parallel lines. These lines form a net that blocks all rays that are not parallel to these lines. Monochrome LCD Display Polarization of the filter line is just perpendicular to the first, Monochrome LCD Display so it can completely block those already polarized light. Only two lines of the filter are completely parallel, or the light itself has been twisted to match the second polarized filter, and the light is able to penetrate.

The LCD is made up of two mutually perpendicular polarized filters, so it is normal to block all the rays that are trying to penetrate. However, since the two filters are filled with twisted liquid crystals, the light is pierced by the first filter, the liquid crystal molecules will be reversed 90 degrees, Monochrome LCD Display and finally from the second filter piercing. On the other hand, if a voltage is added to the liquid crystal, the molecules will be rearranged and completely parallel, so that the light is no longer twisted, Monochrome LCD Display so just by the second filter to block. In short, the power will be blocked light, no power is the light emitted.

From the point of view of the liquid crystal display, whether it is a laptop or desktop system, the use of LCD display is composed of different parts of the layered structure. Monochrome LCD Display The LCD is made of two glass plates and is about 1mm apart, separated by a 5um even interval containing liquid crystal (LC) material. Since the liquid crystal material itself does not emit light, so on both sides of the display are provided as a light source of the lamp, and in the back of the LCD screen has a backlight (or light plate) and reflective film, the backlight is composed of fluorescent substances Can emit light, its role is to provide a uniform background light source. The light from the backlight plate enters the liquid crystal layer containing thousands of crystal droplets after passing through the first layer of the polarizing filter layer. Crystal droplets in the liquid crystal layer are contained in a small cell structure, Monochrome LCD Display and one or more cells constitute a pixel on the screen. Between the glass plate and the liquid crystal material is a transparent electrode, the electrode is divided into rows and columns, at the intersection of rows and columns, by changing the voltage to change the liquid crystal rotation state, the role of liquid crystal material similar to a small light valve.


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