公开(公告)号：US10756290B2

公开(公告)日：2020-08-25

申请号：US16584502

申请日：2019-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Min Shin ,  Woong Sik Kim ,  Won Sang Park ,  Seung Bae Kang ,  Min Woo Kim ,  Jong Ho Hong

IPC: H01L51/52 ,  H01L27/32 ,  G09G3/3233

Abstract: An organic light-emitting display device is provided. The organic light-emitting display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an overcoat layer disposed on the TFT, a first electrode disposed on the overcoat layer and including a lower electrode layer, an intermediate electrode layer, which is disposed on the lower electrode layer, and an upper electrode layer, which is disposed on the intermediate electrode layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein the first electrode includes a first area in which the lower electrode layer, the intermediate electrode layer and the upper electrode layer are sequentially stacked and a second area in which the lower electrode layer and the upper electrode layer are sequentially stacked.

公开(公告)号：US11710762B2

公开(公告)日：2023-07-25

申请号：US17324618

申请日：2021-05-19

Applicant: Samsung Display Co., LTD.

Inventor： Woong Sik Kim ,  Ji Hyun Kim ,  Sang Hyun Lee ,  Sae Hee Han

IPC: H01L27/15 ,  H01L25/075 ,  H01L25/18 ,  H01L27/12 ,  H01L23/00

CPC classification number: H01L27/156 ,  H01L25/0753 ,  H01L25/18 ,  H01L27/124 ,  H01L24/24 ,  H01L24/32 ,  H01L24/73 ,  H01L24/92 ,  H01L2224/24226 ,  H01L2224/32225 ,  H01L2224/73217 ,  H01L2224/92144

Abstract: A display device includes a substrate including a display area and a non-display area, and a first surface and a second surface; pixels disposed on the first surface; a signal line disposed on the first surface, and electrically connected to each pixel; a cushion layer disposed on the pixels and the signal line, and including at least one contact hole that exposes a portion of the signal line; a connector disposed in the at least one contact hole and electrically connected to the signal line; and a driver disposed on the cushion layer and electrically connected to the pixels through the connector. Each pixel includes a display element layer disposed on the first surface and including at least one light emitting element, and a pixel circuit layer disposed on the display element layer and including at least one transistor electrically connected to the at least one light emitting element.