公开(公告)号：US20200041842A1

公开(公告)日：2020-02-06

申请号：US16425220

申请日：2019-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung Jun JEONG ,  Joo Won Lee ,  Min Woo KANG ,  Sei Young KANG ,  Dong Jun LEE ,  Jae Jeong LEE

IPC: G02F1/1335

Abstract: A display device includes a display panel for displaying an image, a light source module including a plurality of light sources, and an optical sheet provided between the display panel and the light source module for guiding light radiated by the light source module to the display panel. The optical sheet includes a first transparent layer including a plurality of grooves provided on a first surface of the optical sheet that is opposite to the display panel, and having a first refraction index, a second transparent layer provided in each of the plurality of grooves and having a second refraction index that is different from the first refraction index, and a reflective layer including a light reflective material provided in each of the plurality of grooves and covering the second transparent layer, and including a light-reflective material.