The mystery of the monitor. Why can't we peel off the protective film?

Have you ever bought a new monitor, brought it home, and then had no idea how to peel off the protective film? It's frustrating, especially when you're eager to start using your new purchase In this blog post, we'll explore the mysteries of monitors and why we can't seem to peel off that pesky film. Stay tuned for more information!

I don't know if you have found that many digital products with screens are shipped with protective film on the surface of the screen to prevent scratches, such as cells phones, tablet computers, etc., which also gave birth to many "love to tear the film people". However, for products such as computer monitors, the surface of the screen may not be a "protective film", if you accidentally tear it off as a "protective film", the consequences may be very serious ......

So, what is the part that is mistakenly treated as a "protective film"? What does it do? What are the consequences of removing it? We will bring you the relevant content of the next explanation.

Most of the monitors on the market do not have a "protective film" when they leave the factory, if you mistakenly take it as a "protective film" to tear off will lead to the new monitor being bought on the spot! Field! Report! Scrap!

So, the surface of the monitor is similar to the layer of "protective film" part of what exactly?

The real identity of the display "protective film" that people mistakenly think is a polarized light sheet, generally can also be called a polarizing film, is a multi-layer polymer material composite with the function of generating polarized light optical film.

When natural light passes through the polarizer, the light whose vibration direction is perpendicular to the transmission axis of the polarizer will be absorbed, leaving only the polarized light whose vibration direction is parallel to the transmission axis of the polarizer.

The polarizing film is mainly made of PVA film, TAC film, protective film, release film, and pressure-sensitive adhesive lamination. In order to protect the physical properties of the polarizing film, a layer of TAC film with high light transmission rate, good water resistance, and certain mechanical strength is laminated on each side of PVA for protection, which forms the original polarizing film.

Why does a monitor use a polarizer and what does it do?

LCD imaging must rely on polarized light, all LCDs have two polarized light sheets before and after the direction of rotation of 90 degrees immediately before and after the liquid crystal glass, forming a total thickness of about 1mm liquid crystal sheet. If any of the polarizing sheets are missing, the liquid crystal sheet is unable to display the image. There are two polarizers in the liquid crystal display module, which are attached to both sides of the glass substrate. The lower polarizer is used to convert the light beam generated by the backlight into polarized light, and when the liquid crystal is not energized, the vibration direction of the light passing through the liquid crystal is not deflected, so it will be blocked by the upper polarizer, and the human eye cannot receive the light, and the pixels seen will appear black. When the liquid crystal is energized, the liquid crystal crystals twist to different degrees with the current size, and the vibration angle of the light passing through the lower deflector is twisted, so that different degrees of light pass through the upper deflector, displaying light and color. The upper polarizer is used to resolve the polarized light electrically modulated by the liquid crystal to produce a contrast between light and dark to produce the display screen.

So, the common understanding is that the polarizer is an indispensable and important part of the imaging process involved in the display.

What will happen if I accidentally remove the polarizer as a "protective film"?

If you search the Internet for information, you will find a lot of examples of monitors (TVs) that do not display properly after the polarizer is removed. When the polarizer is missing, the screen will become completely white and cannot display the content properly.

Can I buy a polarizer and stick it on myself?

Not recommended. If we accidentally tear off (damage) the polarizer of the monitor (TV), the correct way to deal with it is to contact the product after-sales service for repair treatment, do not personally carry out the repair, so as not to cause secondary damage.

Summary

Unlike cell phones, tablet PCs, and these products, the vast majority of monitors on the market do not have a "protective film" when they leave the factory, but the use of non-woven bags, plastic bags, and other materials to separate the screen for protection, we see the screen surface of the layer of frosted texture, "protective film "-like parts of the real name is the polarizer, it is an indispensable part of the display imaging process. Here to remind you, do not take it as a "protective film" tear off, otherwise it will lead to damage to the display.