What is the difference and led oled

OLED display technology with traditional LCD display in different ways, no backlight, with a very thin coating of organic materials and glass substrates, when a current is passed, these organic materials will be light, and the OLED display can be made lighter and more thin, larger viewing angle, and can significantly save power. However, although the technology of the future better OLED will replace the TFT LCD Module, organic light-emitting display technology, but there are still short life, the screen is difficult large-scale defects.