公开(公告)号：US20210296416A1

公开(公告)日：2021-09-23

申请号：US17332870

申请日：2021-05-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Hyunsung BANG

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

Abstract: An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

公开(公告)号：US20230172007A1

公开(公告)日：2023-06-01

申请号：US18161840

申请日：2023-01-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Hyunsung BANG

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K50/824 ,  H10K59/1315 ,  H10K71/00 ,  H10K50/15

Abstract: An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

公开(公告)号：US20230078043A1

公开(公告)日：2023-03-16

申请号：US17737132

申请日：2022-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Heemin PARK ,  Yeonhwa LEE ,  Joongu LEE ,  Kyuhwan HWANG

IPC: H01L27/32

Abstract: A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.

公开(公告)号：US20190237527A1

公开(公告)日：2019-08-01

申请号：US16239085

申请日：2019-01-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Duckjung LEE ,  Hyejin GWARK ,  Arong KIM ,  Jungsun PARK ,  Hyunsung BANG

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

CPC classification number: H01L27/3246 ,  H01L27/3279 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5209 ,  H01L51/5225 ,  H01L51/5228 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light-emitting display apparatus, including a substrate including a plurality of pixel areas and non-pixel areas in a display area, a plurality of pixel electrodes respectively corresponding to the plurality of pixel areas, a pixel-defining layer including a cover portion and openings, wherein the cover portion covers an edge of each of the plurality of pixel electrodes, and each of the openings exposes a central portion of a pixel electrode among the plurality of pixel electrodes, an auxiliary electrode located such that the auxiliary electrode corresponds to at least a portion of a top surface of the cover portion, and an intermediate layer and a counter electrode, each located in the openings. The pixel-defining layer may have an under-cut structure in which the at least a portion of the top surface of the cover portion is recessed from the auxiliary electrode.

公开(公告)号：US20240224579A1

公开(公告)日：2024-07-04

申请号：US18441648

申请日：2024-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Jungsun PARK ,  Heemin PARK ,  Yongsub SHIM ,  Yeonhwa LEE ,  Joongu LEE ,  Jongbeom HONG

IPC: H10K50/844 ,  H10K50/16 ,  H10K50/17 ,  H10K71/00

CPC classification number: H10K50/844 ,  H10K50/16 ,  H10K50/171 ,  H10K71/00

Abstract: A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.

公开(公告)号：US20220013749A1

公开(公告)日：2022-01-13

申请号：US17337870

申请日：2021-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jaeik KIM ,  Hyejin GWARK ,  Jungsun PARK ,  Heemin PARK ,  Yongsub SHIM ,  Yeonhwa LEE ,  Joongu LEE ,  Jongbeom HONG

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

Abstract: A display apparatus includes a substrate including a display area including a transmission area and a pixel area, and a peripheral area adjacent to the display area; a display element disposed corresponding to the pixel area, the display element including a pixel electrode, an intermediate layer on the pixel electrode, and an opposite electrode on the intermediate layer; a hydrophobic layer disposed corresponding to the transmission area; and a plurality of fine particles disposed on the hydrophobic layer, the plurality of fine particles and the opposite electrode including a same material.