公开(公告)号：US20240128423A1

公开(公告)日：2024-04-18

申请号：US18394528

申请日：2023-12-22

Applicant: LG Display Co., Ltd.

Inventor： So-Young NOH ,  So-Yeon JE ,  Ki-Tae KIM ,  Kyeong-Ju MOON ,  Hyuk JI

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/44 ,  H01L33/54

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L33/44 ,  H01L33/54

Abstract: A display apparatus can include a flexible substrate including a penetrating hole, a first thin film transistor including a first semiconductor layer, a second thin film transistor including a second semiconductor layer, and a first planarization layer on the first and second thin film transistors. The display apparatus can include a connection electrode on the first planarization layer electrically connected to the first or second thin film transistor, a second planarization layer on the first planarization layer, a first electrode on the second planarization layer electrically connected to the connection electrode, and a bank layer on the second planarization layer exposing a portion of the first electrode. The display apparatus includes a light-emitting layer on the portion of the first electrode exposed by the bank layer, the light-emitting layer including an emission material layer between first and second organic layers, and a second electrode on the light-emitting layer.

公开(公告)号：US20210036197A1

公开(公告)日：2021-02-04

申请号：US16943889

申请日：2020-07-30

Applicant: LG Display Co., Ltd.

Inventor： So-Young NOH ,  So-Yeon JE ,  Ki-Tae KIM ,  Kyeong-Ju MOON ,  Hyuk JI

IPC: H01L33/62 ,  H01L33/54 ,  H01L33/38 ,  H01L33/44

Abstract: A display apparatus is provided. The display apparatus can include a substrate hole penetrating a device substrate, light-emitting devices spaced away from the substrate hole, and at least one separating device between the substrate hole and the light-emitting devices. Each of the light-emitting devices can include a light-emitting layer between a first electrode and a second electrode. The separating device can surround the substrate hole. The separating device can include at least one under-cut structure. The under-cut structure can include a depth and a length, which are larger than a thickness of the light-emitting layer. Thus, in the display apparatus, the damage of the light-emitting devices due to external moisture permeating through the substrate hole can be prevented.