Youy know OLED's are transparent too right? I was taking a phone apart and accidentally peeled the back painted copper layer off my OLED screen, and got a phon

Youy know OLED's are transparent too right? I was taking a phone apart and accidentally peeled the back painted copper layer off my OLED screen, and got a phone where I could see the insides of the phone while using it, through the screen. Screen fully worked, touch and everything afterwards.