公开(公告)号：US20230029289A1

公开(公告)日：2023-01-26

申请号：US17937720

申请日：2022-10-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeik KIM ,  Jaesik KIM ,  Yeonhwa LEE ,  Joongu LEE

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

Abstract: A display apparatus having improved reliability and preventing or reducing damage to an organic light-emitting diode (OLED), and a method of manufacturing the display apparatus by arranging a protective layer on an opposite electrode during a photo-patterning process, are provided. The display apparatus includes: a substrate; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening that exposes a center of the pixel electrode; an auxiliary electrode on the pixel defining layer; an intermediate layer on the pixel electrode; an opposite electrode facing the pixel electrode with the intermediate layer therebetween; a first protective layer on the opposite electrode; and a contact electrode on the first protective layer, the contact electrode electrically contacting the auxiliary electrode and the opposite electrode.

公开(公告)号：US20220209164A1

公开(公告)日：2022-06-30

申请号：US17700026

申请日：2022-03-21

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：US20210376300A1

公开(公告)日：2021-12-02

申请号：US17147955

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Chanho MOON ,  Jaesik KIM ,  Jaeik KIM ,  Yeonhwa LEE ,  Joongu LEE

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

Abstract: A display device may include a pixel area and a transmission area adjacent to the pixel area, a circuit element disposed in the pixel area and including a transistor and a capacitor, a pixel electrode layer disposed in the pixel area and electrically connected to the circuit element, an emission layer disposed on the pixel electrode layer, an opposite electrode layer disposed on the emission layer, and a surface energy control layer disposed between the emission layer and the opposite electrode layer and including a perfluorinated material. The surface energy control layer may have a portion extending into the transmission area.

公开(公告)号：US20210202874A1

公开(公告)日：2021-07-01

申请号：US17197367

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joongu LEE ,  Jaesik KIM ,  Jaeik KIM ,  Yeonhwa LEE ,  Sehoon JEONG

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

Abstract: An organic light-emitting display device includes: a substrate; a pixel electrode on the substrate; an auxiliary electrode spaced apart from the pixel electrode; a first insulating film between the pixel electrode and the auxiliary electrode and covering an end of the pixel electrode and an end of the auxiliary electrode; an intermediate layer on the pixel electrode and including an emission layer; an opposite electrode covering the intermediate layer and contacting the auxiliary electrode; and a passivation layer covering the opposite electrode.

公开(公告)号：US20200328378A1

公开(公告)日：2020-10-15

申请号：US16847349

申请日：2020-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jaesik KIM ,  Jaeik KIM ,  Yeonhwa LEE ,  Joongu LEE ,  Sehoon JEONG

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

Abstract: An organic light-emitting display apparatus includes: a substrate; first and second pixel electrodes on the substrate and spaced from each other; an insulating layer between the first and second pixel electrodes, the insulating layer covering ends of the first and second pixel electrodes, and having a step height difference; an auxiliary electrode on the insulating layer; first and second intermediate layers on the first and second pixel electrodes, the first and second intermediate layers being spaced from each other, and including first and second light-emitting layers, respectively; first and second opposite electrodes on the first and second intermediate layers, the first and second opposite electrodes being spaced from each other, and in contact with the auxiliary electrode; and first and second passivation layers on the first and second opposite electrodes, the first and second passivation layers being spaced from each other, and covering the first and second opposite electrodes, respectively.