You have a glass screen or a glass backing for the LCD display. One of the things that happens with an OLED screen is that the pixels, the light portion of the screen that emits light or that ...
Hard Glass technology is ideal for monitor applications that mean that the screen is at high risk of damage from intense wear and tear as well as actual physical abuse. For example; prodding ...
thanks to the lip around the edges that helps protect the display. But still, that's impressive durability with no screen protector. However, the iPhone's Ceramic Shield glass isn't invincible.