公开(公告)号：US20160252777A1

公开(公告)日：2016-09-01

申请号：US15032896

申请日：2014-10-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kazuhiko TOYOOKA

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133606 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/133603 ,  G02F1/133608 ,  G02F2201/54

Abstract: In a surface illuminant device provided with a light source for emitting light, a nonwoven fabric configured as a diffusion member for diffusing the light, and an optical sheet disposed on at least one of the back side and the front side of the nonwoven fabric, both the nonwoven fabric and the optical sheet are at least fixed with a fixing part in the area of one edge side of the nonwoven fabric in a first direction along the surface direction, and for one fixing part, a part of the area is fixed in a direction along at least one edge.

Abstract translation: 在设置有用于发光的光源的表面照明装置中，构成为扩散光的扩散部件的无纺布和配置在无纺布的背面侧和前侧的至少一方的光学片， 所述无纺布和所述光学片至少在所述无纺布的一个边缘侧的区域中沿着所述表面方向在第一方向上固定有固定部，并且对于一个固定部，所述区域的一部分被固定在 沿着至少一个边缘的方向。