LIGHT DEVICE, LIGHT EMITTING DIODE PACKAGE USING THE SAME, AND BACKLIGHT DEVICE

摘要

An optical device and an LED package using the same, and a backlight apparatus are provided, the optical device including a substrate, a first transparent thin film layer formed at one surface of the substrate, a quantum dot layer formed at an upper surface of the first transparent thin film layer and consisting of quantum dot particles, a protective layer formed on at least one of an upper surface or a bottom surface of the quantum dot layer and formed with metallic oxide nano particles, and a barrier member formed on the upper surface of the first transparent thin film layer for establishing an area formed with the quantum dot layer and the protective layer.