A recently-published Apple patent filing indicates that Apple may be working on a “hybrid” display that mixes both OLED and quantum-dot LEDs. The U.S. filing, no. 20,190,131,356, describes a “tandem hybrid pixel” with an OLED subpixel and a quantum dot subpixel, plus various needed transport layers and cathodes. Quantum Dots are photoluminescence particles embedded in […]