公开(公告)号：US20150131028A1

公开(公告)日：2015-05-14

申请号：US14536466

申请日：2014-11-07

Applicant: LG Display Co., Ltd.

Inventor： Seok-Hwan Oh ,  Young-Min Kweon ,  Du-Ho Jo

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02B6/005 ,  G02B6/0055 ,  G02B6/0085 ,  G02F1/133615 ,  G02F2001/133614

Abstract: A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.

Abstract translation: 背光单元包括提供蓝光的光源; 在光源侧的玻璃导光板; 导光板上的光学片; 在导光板下的反射片; 以及包括黄色荧光材料的光学变化部分，其中通过光学变化部分将蓝色光变成白色光。

公开(公告)号：US09645302B2

公开(公告)日：2017-05-09

申请号：US14536466

申请日：2014-11-07

Applicant: LG Display Co., Ltd.

Inventor： Seok-Hwan Oh ,  Young-Min Kweon ,  Du-Ho Jo

IPC: G02F1/1333 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02B6/005 ,  G02B6/0055 ,  G02B6/0085 ,  G02F1/133615 ,  G02F2001/133614

Abstract: A backlight unit includes a light source providing a blue light; a light guide plate of glass at a side of the light source; an optical sheet on the light guide plate; a reflective sheet under the light guide plate; and an optic change part including a yellow fluorescent material, wherein the blue light is changed into a white light by the optical change part.