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Knowledge Science Of Mobile Phone Screen

Sep. 30, 2018

The iPad Pro screen is divided into several layers. The first layer, where the finger touches, is called the phone cover.

This layer of transparent material acts to resist external impact and directly contact the fingers. The gorillas, sapphire glass, etc. we often hear are the materials. There are also special processes on the phone cover, such as oleophobic coating, which is resistant to fingerprint contamination and makes the dirty cover easy to wipe. For example, the infrared ink hole, the infrared ink hole is connected to the light sensor and the distance sensor, and can block visible light and ultraviolet rays through infrared rays.

The second layer is a touch sensor, which is divided into a resistive screen and a capacitive screen. Today's smartphones basically use capacitive screens. This layer of action is in response to the touch of the finger.

The third layer is the iPad Pro 12.9 2nd Gen LCD Screen. From the traditional flat LCD to the current flexible screen, the most core display technology is concentrated on this level.

The lowermost layer is a backlight layer, which is responsible for emitting light to allow the image of the liquid crystal layer to be presented. The liquid crystal is a non-illuminating display device, and the backlight panel is required to achieve the display function. The backlight layer is further composed of a light-emitting LED, a light guide sheet, and a reflector.

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iPad Pro 12.9 2nd Gen LCD Screen