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Die Funktion von LCD-Polarisationsfolien in Flüssigkristallanzeigen: Verbesserung der Anzeigeleistung und -funktionalität

LCD polarizer film is a key component in the functionality of a liquid crystal display (LCD) screen. It plays an important role in enhancing the performance and visual quality of your monitor. RNODA TECH specializing in customized LED backlights and LCD repair spare parts such as polarizer sheet;light guide plate;diffuser plate and etc. located in Shenzhen, China, with 8 years of experience, we understand the importance of polarizer sheet in LCD technology.

The full name of the polarizer is polarized light sheet, liquid crystal scintillation imaging is necessary to rely on polarized light, all liquid crystals have before and after the two polarized light sheet, constituting a total thickness of 1mm liquid crystal sheet is mainly. Assuming the lack of any piece of polarizer, liquid crystal can not flash imaging.

  • Why do home displays use polarizers?

LCD is the use of liquid crystal rotational properties, the thickness of the liquid crystal molecules can make the direction of polarization of light rotated 90 ° or 270 ° (add voltage when the liquid crystal molecules due to the electric field effect set up, does not change the direction of light polarization), plus two polarizers can make the whole liquid crystal box into a light open light. One of them is a polarizer (downward bias, close to the light source), and one is a bias detector (close to the eye).

Without the polarizers, the incoming light is circularly polarized and the outgoing light is also circularly polarized, and there is no image whatsoever. It’s just a white piece. As for the LCD, there is already an RGB filter inside, but to display red you need green, blue fully off, red on, to look red, if RGB is fully on due to polarizer failure, then it may go up to complex color lightwhite light.You can actually see the RGB condition when you zoom in 10-20 times using a magnifying glass.

  • What role does LCD polarizer play in liquid crystal display?

LCD liquid crystal screen polarizer, play the role of light filtering. LCD screen if there is no polarizer, there will not be any display, because the LCD screen in the work, the main filter X direction or Y direction of light, this time only parallel light, if there is no polarizer, the naked eye can not see. Polarizer is very thin, if there are scratches, punctures, abrasions, it can not be used in the production, so be careful when using it.

The role of polarizer is to play the role of developing with liquid crystal. In the production process, generally first of all, the two ordinary tempered glass, printing on the line, coated with adhesive frames around and then folded and pressed together, and then injected into the middle of the glass on both sides of the liquid crystal, sealing in the glass above and below each pasted on the polarizer.

Upper glass and lower glass should be affixed to the polarizer, but pay attention to the direction of the lower polarizer if the X direction of light filtering, that the upper layer can only be filtered Y direction of light, if the upper and lower in the same direction, the user can not see anything, although the LCD monitor in the normal operation of the naked eye, but there is no way to see the polarized light. Now the color screen of the liquid crystal are generally only the upper piece, there is no lower piece, the product of technological innovation.

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