BACKLIGHT UNIT USING ELECTRON EMISSION ELEMENTS AND A DISPLAY APPARATUS HAVING THE SAME

摘要

A backlight unit includes a first substrate including an anode electrode; and a second substrate including a cathode electrode and an electron emission element, wherein the cathode electrode includes a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip includes an electron emission portion on which the electron emission element is mounted and a junction portion which is disposed between the terminal portion and the electron emission portion, and wherein the closer the junction portion is to the terminal portion the greater the width of the junction portion is.