公开(公告)号：US09977177B2

公开(公告)日：2018-05-22

申请号：US15220520

申请日：2016-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： Munsik Ham ,  Kyoungduck Kim

IPC: F21V8/00

CPC classification number: G02B6/0088 ,  G02B6/0055 ,  G02B6/0065

Abstract: A backlight unit includes a bottom chassis including a bottom portion and a sidewall portion which extends from the bottom portion; a light source disposed in the bottom chassis and configured to generate and emit a light to a display panel which displays an image with the light; and a reflective plate disposed on the bottom portion of the bottom chassis and configured to reflect a portion of the light emitted by the light source toward the display panel The reflective plate includes a reflective layer configured to reflect the light incident thereto; and a magnetic layer disposed between the reflective layer and the bottom portion of the bottom chassis, and magnetically attached to the bottom portion of the bottom chassis.