QLED Display Kya hai? QLED Aur OLED Me Kya Antar Hai

QLED Display Kya hai? Hindi Me! Hello, Aksar ap Sochte Honge ki Kash hum ek achi si LED TV le lee, Or  Phir Apka mood bante he ap TV Lene Nikal padte hai, Or Chahte hai ki paise lag jaaye to lag