公开(公告)号：US20220035092A1

公开(公告)日：2022-02-03

申请号：US17276219

申请日：2019-05-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Soon Jung KIM ,  Dae Young KIM ,  Gong Hee LEE

IPC: F21V8/00 ,  G02F1/13357

Abstract: An aspect of the present disclosure provides a backlight unit with improved wrinkled phenomenon of optical sheet due to external factors such as temperature or humidity, and a display apparatus including the same. The display apparatus according to an embodiment includes: a backlight unit comprising an optical sheet; and an image forming unit configured to generate an image by transmitting or blocking light emitted from the backlight unit, and the optical sheet includes a plurality of sheets, and comprises a shape memory material in at least one of the plurality of sheets.

公开(公告)号：US20210405456A1

公开(公告)日：2021-12-30

申请号：US17289088

申请日：2019-10-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Soon Jung KIM

IPC: G02F1/13357 ,  F21V8/00

Abstract: Provided is a display device having a thin thickness and capable of performing fine local dimming. The display device includes: a display panel; a bottom chassis positioned behind the display panel; a light source module rested on the bottom chassis and including a plurality of light sources and a plurality of printed circuit boards on which the plurality of light sources are arranged, each light source being a light emitting diode to which a reflective lens is applied; and a light guide plate rested on the bottom chassis, wherein, in the light guide plate, a plurality of accommodating holes accommodating the plurality of light sources are formed at locations corresponding to the plurality of light sources.