Patent ID: 9529225
Filing Date: 2016-12-27
CPC Classification: G02B,G02F

Claim Text:
1. A liquid crystal display device, comprising: a liquid crystal display panel having a first substrate and a second substrate with a display area and a non-display area; a backlight that irradiates the liquid crystal display panel with light; an adhesive layer that adheres the liquid crystal display panel to the backlight; a first polarizing plate stuck onto the first substrate; and a second polarizing plate stuck onto the second substrate, wherein an outer edge of the second polarizing plate is located outside an outer edge of the second substrate, the second polarizing plate has a protruding portion extending from the outer edge of the second substrate to the outer edge of the second polarizing plate, the protruding portion of the second polarizing plate being fixed to the backlight with the adhesive layer, a light impermeable film and an alignment mark part are formed in the non-display area of the first substrate and are covered with the first polarizing plate, and the light impermeable film and the alignment mark part are different in infrared transmittance or infrared reflectance.