Customized Backlight Solutions & Optical Sheets Supplier – Rnoda Tech
Why Laptop Screen Need Polarizer Film
The imaging function of an LCD display relies on three main parts: the backlight, liquid crystal, and polarizer film. The polarizer sheet filters light by polarization, while the liquid crystal controls the light’s polarization direction using electricity. When powered on, the backlight emits light. If the liquid crystal is off, light with the wrong polarization is blocked by the polarizer film. If it’s on, the light passes through.
Without a Laptop Screen Polarizer Film, the screen looks fully white when turned on.
With a Laptop Screen Polarizer Film,, unwanted light from the off-state liquid crystal is blocked, so the correct image becomes visible to the human eye.
LCD Screen Structure Analysis
The imaging of LCD displays must rely on polarizer films.
All LCDs have two polarizer sheets tightly laminated on the front and back of the liquid crystal glass.
- Outer Polarizer Film
- Liquid Crystal Glass
- Inner Polarizer Film
Product Specification
| Product name | P14″ 15.6″ Laptop Screen Polarizer Film |
| Application | Polarizer film replacement for all kinds of size LED LCD Screens |
| Size | Can be customized |
| Material | IPS |
| Degree | 0 / 90 /45 /135 degree |
| Surface | Matte / Glossy |
Product images
Polarizer sheet Application
Factory workshop
How to Use the Laptop Screen Polarizer
- Handle with Care
Always handle the polarizer film gently. Avoid scratching the surface with hard objects. - Do Not Fold
The polarizer film should never be folded during storage or installation. - Sort Before Use
Grade A and edge-cut pieces should be visually sorted before production. - Ensure Clean Surface
Before applying the polarizer film, make sure all cleaning liquid on the LCD surface has completely evaporated. - Proper Cutting Direction
When cutting ultra-wide temperature polarizer films, make sure the adhesive side is facing down.
