LCD screens struggle with contrast because their crystals have to selectively block out a backlight. DIY Perks wanted to see if layering a second LCD panel could improve contrast. He combined parts from two identical displays, depolarized their screens, and upgraded their backlight. It’s a cool hack, but an OLED is still better.
LCDs and LEDs are everywhere, from smartphones to watches to TVs, to headlights. Musician and tech enthusiast Posy dives deep into one specific use of these technologies – displays which use segments to create numbers and letters. After a little history, he shows off some concepts for his own segmented designs.