公开(公告)号：US20220246878A1

公开(公告)日：2022-08-04

申请号：US17521291

申请日：2021-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Woo Yong Sung ,  Jeongseok Lee ,  Sehoon Jeong

IPC: H01L51/52

Abstract: A display device includes a front area, a side area, a display panel, and a protective element. The side area peripheral to sides of the front area. The display panel includes a flat surface in the front area and a curved surface in the side area. The protective element is disposed on a lower surface of the display panel. The protective element has different thicknesses in the front area and the side area.

公开(公告)号：US11283041B2

公开(公告)日：2022-03-22

申请号：US16696258

申请日：2019-11-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yeonhwa Lee ,  Jaesik Kim ,  Jaeik Kim ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes: a circuit element layer comprising a transistor; a display element layer comprising a first electrode connected to the transistor, a second electrode facing the first electrode, an organic pattern between the first electrode and the second electrode, a pixel defining layer having an opening exposing the first electrode, an auxiliary electrode spaced apart from the opening to cover a portion of the pixel defining layer and connected to the second electrode, a first protection pattern covering the second electrode, and a second protection pattern covering the first protection pattern; and an encapsulation layer covering the display element layer, wherein the first protection pattern and the second protection pattern have stress in directions different from each other.

公开(公告)号：US20200212143A1

公开(公告)日：2020-07-02

申请号：US16585240

申请日：2019-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sehoon Jeong ,  Hyeyong Chu ,  Jaesik Kim ,  Yeonhwa Lee

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light-emitting display apparatus including: a substrate; a pixel electrode located on the substrate; a pixel-defining film coveting an end portion of the pixel electrode; an intermediate layer located on the pixel electrode and including an emission layer; a counter electrode located on the intermediate layer; a passivation layer located on the counter electrode and including a cover portion covering a top surface of the counter electrode and a protrusion extending from an end portion of the cover portion away from the substrate; and an encapsulation member covering the passivation layer.

公开(公告)号：US10347859B2

公开(公告)日：2019-07-09

申请号：US15606350

申请日：2017-05-26

Applicant: SAMSUNG DISPLAY CO., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： Yeonhwa Lee ,  Sangsoo Kim ,  Duckjung Lee ,  Joongu Lee ,  Sehoon Jeong ,  Jiyoung Choung

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  C09K11/06 ,  H01L51/00 ,  C07C211/54 ,  C07C211/61 ,  C07D209/86 ,  C07D209/88 ,  C07D307/91 ,  C07D401/12 ,  C07D405/12 ,  C07D409/12

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes a first layer that includes a metal oxide and a metal halide, and wherein the first layer is not in direct contact with the emission layer.