Patent ID: 8023070
Filing Date: 2011-09-20
Classification: G02F

Abstract:
1. An LED backlight device comprising: a first substrate having optical transparency, and having a first surface and a second surface opposite to each other; an LED thin-film fixed to said first surface of said first substrate, said LED thin-film being formed of epitaxially grown inorganic material layers as a P-N junction device; an anode electrode and a cathode electrode formed on said LED thin-film; an anode driver IC and a cathode driver IC for driving said LED thin-film to emit light; an anode wiring provided on said first surface of said first substrate to electrically connect said anode driver IC and said anode electrode of said LED thin-film, a cathode wiring provided on said first surface of said first substrate to electrically connect said cathode driver IC and said cathode electrode of said LED thin-film; a second substrate having optical transparency, and having a first surface and a second surface opposite to each other, said second surface of said second substrate facing said first surface of said first substrate; a reflection film provided on said first surface of said second substrate, and a light diffusion plate provided so as to face said second surface of said first substrate, and having a function to diffuse incident light.