公开(公告)号：US20130265512A1

公开(公告)日：2013-10-10

申请号：US13899765

申请日：2013-05-22

Applicant: Panasonic Liquid Crystal Display Co., Ltd. ,  Japan Display Inc.

Inventor： Tetsuya Oshima ,  Hirotaka Imayama ,  Yasuhisa Shiraishi ,  Yoshiharu Nagae

IPC: G02F1/1335

CPC classification number: G02F1/133606 ,  G02B6/0038 ,  G02B6/0053 ,  G02F1/133615

Abstract: A lighting device including a light source, a light guide plate, a first prism sheet which is arranged over the light guide plate, and a second prism sheet which is arranged between the first prism sheet and the light guide plate. The first prism sheet includes first prisms which are formed parallel to each other in the first direction on a first surface which is opposite to the second prism sheet, and the second prism sheet includes second prisms.

Abstract translation: 一种照明装置，包括光源，导光板，布置在导光板上的第一棱镜片和布置在第一棱镜片和导光板之间的第二棱镜片。 第一棱镜片包括在与第二棱镜片相对的第一表面上沿第一方向彼此平行地形成的第一棱镜，并且第二棱镜片包括第二棱镜。