公开(公告)号：US20220416194A1

公开(公告)日：2022-12-29

申请号：US17718790

申请日：2022-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： BYUNG-GON KUM ,  GYUSU LEE ,  JAE-HWAN JEON ,  DA WUN KIM ,  HYUNSU PARK ,  JI SANG SEO

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50

Abstract: A display device includes a display panel and a heat radiation sheet disposed under the display panel, where a first region and a second region disposed outside the first region when viewed in a thickness direction thereof are defined in the heat radiation sheet. The heat radiation sheet includes a heat radiation layer disposed in the first region, a lower protective layer disposed under the heat radiation layer, where a plurality of openings is defined in the lower protective layer, and an upper protective layer disposed above the heat radiation layer and coupled to the lower protective layer in the second region.