Provided is a liquid crystal display device including a viewer-side polarizing plate 1, a liquid crystal cell 11, a backlight-side polarizing plate 21, and a backlight unit 31; in which a three-wavelength (RGB) backlight light source having a narrow half bandwidth of the light emission intensity spectrum is used, and the viewer-side polarizing plate includes, for example, a first absorption material which has a maximum value of absorbance in a wavelength range of 470 nm to 510 nm and has a peak of the absorbance full width at half maximum of which is 50 nm or lower.