Engineers have created the first "active matrix" display using a new class of transparent transistors and circuits, a step toward realizing applications such as e-paper, flexible color monitors ...

To make the OLED panel transparent, however, Xiaomi had to leave gaps. GSMArena.com. Tip us 1.9m 150k RSS EV Merch Log in. Login. ... there are holes in the matrix. Post your comment; Comments (16) ...