To provide a reflector for a direct backlight of a liquid crystal display which is easily upsized and is excellent in reflecting performance with few occurrences of partial inconsistencies in brightness due to deformations even when the reflector is upsized.
A reflector for a direct backlight 1 which is arranged in the rear of a plurality of straight tube type light sources 1 for illuminating a liquid crystal display panel and reflects lights from the light sources 1 toward on a side of the display panel, forms a plurality of hill parts 11 at same pitches in parallel and forms bottom portions 12 between the hill parts 11 by matched-die molding a polycarbonate resin sheet with thickness of 0.6-1.5 mm and arranges the light sources 2 at positions central and just above of the bottom portions 12.
HANDA KATSUMI
YAMAMOTO SEIJI
Mitsuo Chonan
Ishiwatari Eibo