公开(公告)号：US09733399B2

公开(公告)日：2017-08-15

申请号：US14743002

申请日：2015-06-18

Applicant: Innolux Corporation

Inventor： Chi-Liang Chang ,  Cheng-Hsia Kuo

IPC: G09F13/04 ,  G02B5/02 ,  F21V8/00

CPC classification number: G02B5/0221 ,  G02B5/0247 ,  G02B5/0278 ,  G02B6/0016 ,  G02B6/0036 ,  G02B6/0038

Abstract: An optical film having a first surface and a second surface is provided. The second surface is adjacent to the first surface and has a first area connected to the first surface, a second area connected to the first area, and a third area connected to the second area. The optical film includes a first micro-structure disposed on the first surface and a second micro-structure disposed in the first area and the second area. The first micro-structure includes a plurality of bubble structures. The second micro-structure includes a plurality of protrusions and recesses.