Liquid crystal display device

A liquid crystal display device comprising:

• a liquid crystal panel including two transparent substrates and a liquid crystal layer enclosing liquid crystals between the two transparent substrates, the liquid crystal panel having an alignment control region in which alignment of the liquid crystals is controlled;
• a polarizing plate disposed opposite a back surface of the liquid crystal panel;
• a backlight disposed opposite a surface of the polarizing plate that is not opposite the liquid crystal panel and supplying light to the polarizing plate;
• and
• an optical film including a front surface section and an extended section, the front surface section being disposed on a front surface of the liquid crystal panel, and the extended section extending from one edge of the front surface section and attached to at least a part of a side surface of the backlight or at least a part of a back surface of the backlight, wherein
• the front surface section includes in a part thereof a polarizing section that polarizes transmission light and the polarizing section overlaps the alignment control region.