'World’s smallest LEDs' could lead to accurately lit screens with 127,000 pixels per inch and much more immersive VR

Sometimes small is actually big—at least when it comes to advancements in LED technology. For a bright, clear picture, OLED screens are where it's at; they easily outperform traditional LED displays and have breathtaking Micro-LED displays beat when it comes to price—though that's not hard to do when a reasonably sized Micro-LED screen can easily cost thousands of dollars still. We all love a screen that boasts accurate backlighting, but not that much.

Researchers at Zhejiang University...