| 摘要 |
According to an embodiment of the present invention, an optical sheet comprises a first prism sheet, a second prism sheet, a diffusion sheet, and a plurality of column units. The second prism sheet is attached to the first prism sheet. The diffusion sheet is attached to the second prism sheet. The second prism sheet and the diffusion sheet are integrated. The column units are spaced apart from each other, and is located between the second prism sheet and the diffusion sheet. Disclosed is the optical sheet for reducing thickness, and improving brightness and image grade. |
