公开(公告)号：US11974455B2

公开(公告)日：2024-04-30

申请号：US17446909

申请日：2021-09-03

申请人： Samsung Display Co., Ltd.

发明人： Myung Chul Yeo ,  Yong Tack Kim ,  Eung Seok Park ,  Hee Wook Yoon ,  Yoon Hyeung Cho

IPC分类号： H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H10K50/844 ,  H10K50/85 ,  H10K50/858 ,  H10K59/121 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K71/13 ,  H10K59/12

CPC分类号： H10K50/844 ,  H10K50/8445 ,  H10K50/85 ,  H10K50/858 ,  H10K59/121 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K71/135 ,  H10K59/1201

摘要： A display device includes a substrate; a light-emitting element layer on the substrate; a first thin-film encapsulation layer that is on the light-emitting element layer, has an upper surface conforming an upper surface of the light-emitting element layer, and includes a recessed portion; a bank layer on the first thin-film encapsulation layer and having an opening overlapping the recessed portion; a wavelength conversion layer in the opening on the first thin-film encapsulation layer and at least partially in the recessed portion; a first inorganic layer on the bank layer and the wavelength conversion layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer.