To truly try it out he put together a steering circuit for a seven segment display. For that he made a matrix of his diodes. The matrix has seven columns, one for each segment on the display.

What do you do with 144 7-segment displays? If you’re [Frugha] you put them all together to create an epic clock. Each display has 8 individual LEDs — 7 segments, and a decimal point. P… ...

Kopin's technology portfolio includes ultra-small Active Matrix Liquid Crystal displays (AMLCD), Liquid Crystal on Silicon (LCOS) displays and Organic Light Emitting Diode (OLED) displays, a ...