Patent ID: 9588278
Date: 2017-03-07
CPC Classifications: G02B,G02F

Claim:
1. A liquid crystal display apparatus comprising: a liquid crystal display panel including pixels defined by a plurality of lines crossing each other; and a light collecting layer configured to collect light from a backlight in a direction toward the liquid crystal display panel and including a prism mountain aligned in a grid array, wherein an angle between an extension direction of the prism mountain aligned in a grid array and an extension direction of each of the plurality of lines is determined to be an angle at which a moire phenomenon caused by a repeated pattern of the pixels is not recognized, and wherein the light collecting layer includes a plurality of light collecting sheets, and an extension direction of a prism mountain of one of the plurality of light collecting sheets is perpendicular to an extension direction of a prism mountain of another one of the plurality of light collecting sheets.