Liquid crystal display device

A liquid crystal display device comprising:

• a liquid crystal display panel;
• and
• a backlight which illuminates the liquid crystal display panel, wherein
• the backlight includes a light guide plate, a plurality of light emitting diodes which are arranged on a side portion of the light guide plate, and an optical sheet member which is arranged between the light guide plate and the liquid crystal display panel and has a light diffusion property or a light condensing property, and
• a cutaway portion is formed on a side of the optical sheet member in the vicinity of the light emitting diodes and outside a display region.

A liquid crystal display device comprising:

• a liquid crystal display panel;
• and
• a backlight which illuminates the liquid crystal display panel, wherein
• the backlight includes a light guide plate, a plurality of light emitting diodes which are arranged on a side portion of the light guide plate, and an optical sheet member which is arranged between the light guide plate and the liquid crystal display panel and has a light diffusion property or a light condensing property, and
• a cutaway portion is formed on a side of the optical sheet member in the vicinity of the light emitting diodes and outside a display region where the optical sheet does not overlap with the liquid crystal display panel.