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If you want to understand the mobile phone screen, you can start with the composition and structure of the mobile phone screen. The more colors and more complex pictures the mobile phone screen can display, the richer the layers of the picture will be. The screen of a mobile phone is mainly a touch screen, and its components include a cover glass, a touch module, and a display module.

Cover glass:

The outermost part of the mobile phone screen, which protects the internal structure of the mobile phone. In order to prevent scratches on the screen, mobile phone manufacturers usually paste a protective film on this layer of screen.

Touch module:

It can realize touch sensing, which is the key to improving the human-computer interaction experience. Mobile phone screens are basically capacitive touch screens. Below the touch-sensitive layer is the front panel, which is mainly used to install optical filters and generate images; the next layer is the backplane, which is used to process thin-film transistors.

Display module:

mainly LCD and OLED, which are the two most mainstream types of mobile phone screens. LCD screen display module is composed of polarizer, color filter, TFT, liquid crystal, back plate, etc. The image has good color rendering, soft picture and does not hurt the eyes. It is currently the most widely used mobile phone display screen; OLED screen display module Composed of polarizers, organic light-emitting layers, glass, TFT and other materials, the screen can emit light by itself, and has the advantages of thinness, flexibility, and low energy consumption. It is an emerging screen display technology at present.