公开(公告)号：US20250056974A1

公开(公告)日：2025-02-13

申请号：US18796593

申请日：2024-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Heewoon Im ,  Yoolguk Kim ,  Hyeonsik Kim ,  Jaehyun Park ,  Sangho Lee ,  Wonkyu Choe

IPC: H10K59/122 ,  H10K59/12 ,  H10K102/00

Abstract: A display apparatus includes a substrate, a pixel electrode over the substrate, a bank layer defining an opening exposing a central portion of the pixel electrode, and having a lateral surface facing the opening, a portion of the lateral surface of the bank layer defining a trench dug in a direction away from the opening at a lower portion of the bank layer to expose an upper surface of the pixel electrode, an intermediate layer in the opening to correspond to the pixel electrode, and an opposite electrode covering the bank layer and the intermediate layer.

公开(公告)号：US20210359048A1

公开(公告)日：2021-11-18

申请号：US17220855

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoon KIM ,  Yoolguk Kim ,  Youngmo Koo

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A display apparatus includes a substrate, a pixel circuit layer having at least one thin-film transistor on the substrate, a first layer disposed on the pixel circuit layer and having a first opening, and a display element disposed in the first opening and including a first electrode, an emission layer, and a second electrode, which are sequentially stacked. The first electrode extends from an inner surface of the first layer defining the first opening along an upper surface of the first layer, and the emission layer extends on the first electrode along the inner surface of the first layer.

公开(公告)号：US20250056971A1

公开(公告)日：2025-02-13

申请号：US18604494

申请日：2024-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Yoolguk Kim ,  Jiyoon Kim ,  Sangho Lee ,  Heewoon Im

IPC: H10K59/122 ,  H10K59/12

Abstract: A display device includes a pixel circuit layer disposed on a substrate and including a pixel circuit, a pixel-defining layer disposed on the pixel circuit layer and including an opening, a first electrode disposed on the pixel circuit layer, disposed in the opening of the pixel-defining layer, and having a portion disposed on a side wall of the pixel-defining layer, a first common layer on the first electrode, an emission layer on the first common layer, a second common layer on the emission layer, and a second electrode on the second common layer, wherein an upper surface of the first common layer is at a higher level than an upper surface of the first electrode.

公开(公告)号：US20230081716A1

公开(公告)日：2023-03-16

申请号：US17860032

申请日：2022-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yoolguk Kim ,  Jingoo Kang ,  Jiyoon Kim

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: Provided are a display apparatus and a method of manufacturing the same. The display apparatus includes a substrate, a plurality of light-emitting elements on the substrate, a passivation layer covering the light-emitting elements, and a plurality of pixel circuits on the passivation layer and connected to the light-emitting elements, respectively. The light-emitting elements each include a first electrode integrally provided with the light-emitting elements on the substrate, an emission layer in an opening of a pixel-defining layer on the first electrode, and a second electrode on the emission layer.