公开(公告)号：US20190019983A1

公开(公告)日：2019-01-17

申请号：US15866320

申请日：2018-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Cha-dong KIM ,  Bumsoo KAM ,  Hyunae KIM ,  Cheolho PARK

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device may include an organic light emitting device and an encapsulation structure provided on the organic light emitting device to seal the organic light emitting device. The encapsulation structure may include a first inorganic encapsulation layer provided on the organic light emitting device, an organic encapsulation layer provided on the first inorganic encapsulation layer, and a second inorganic encapsulation layer provided on the organic encapsulation layer. The first inorganic encapsulation layer may include a first inorganic layer provided on the organic light emitting device and a first plasma-treated layer provided on the first inorganic layer. The first plasma-treated layer may include an upper portion, in which a rugged structure is defined.