PRISM SHEET, SURFACE LIGHT SOURCE DEVICE, AND METHOD OF PRODUCING PRISM SHEET

摘要

A prism sheet having optical characteristics not obtainable by conventional prism sheets, and a method of producing the prism sheet. The prism sheet (1) has a flat sheet body (2), prism sections (4) arranged on substantially the entire part of one side of the sheet body, and a lens section (6) placed at a part of the other side of the sheet body. ® KIPO & WIPO 2009