Patent ID: 7661865

Claim:
A liquid crystal, display backlight, comprising: an emission light guide plate for emitting illuminating light for a liquid crystal display panel from one face; one mixed-color light guide plate and other mixed-color light guide mounted respectively on a same plane of other face of the emission light guide plate via a spacer; a heat-dissipating spatial area provided between the one and the other mixed-color light guide plates; a plurality of light-emitting devices disposed within the heat-dissipating spatial area; and one reflecting means and other reflecting means for guiding output light from each of the light-emitting devices propagated inside the one and the other mixed-color light guide plates towards corresponding end faces of the emission light guide plate from outside end faces of each of the mixed-color light guide plates, wherein a holding plate for holding each of the plurality of light-emitting device as one body is provided, and the holding plate is disposed to face the one and the other mixed-color light guide plates with an airing gap provided therebetween.