公开(公告)号：US11997881B2

公开(公告)日：2024-05-28

申请号：US17496828

申请日：2021-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： Junhee Lee ,  Minyeul Ryu

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/122 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/1201

Abstract: Provided are a display apparatus including: a substrate; a pixel circuit disposed over the substrate and comprising a thin film transistor and a storage capacitor; an insulating layer covering the pixel circuit; a bridge electrode disposed over the insulating layer and electrically connected to the pixel circuit through a contact hole formed in the insulating layer; a pixel electrode disposed over the insulating layer and electrically connected to the bridge electrode; a pixel definition layer disposed over the pixel electrode and including an opening overlapping a portion of the pixel electrode; an opposite electrode over the pixel electrode; and an emission layer disposed between the pixel electrode and the opposite electrode, wherein the pixel electrode does not overlap the contact hole of the insulating layer in a plan view.

公开(公告)号：US12219814B2

公开(公告)日：2025-02-04

申请号：US18146335

申请日：2022-12-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nakcho Choi ,  Daegi Kweon ,  Minyeul Ryu

IPC: H01L29/08 ,  H10K59/121 ,  H10K59/65

Abstract: A display device includes two pixel circuits spaced apart from each other with a transmission area therebetween, a first insulating layer on the two pixel circuits, two pixel electrodes on the first insulating layer, and a second insulating layer including a first portion covering an edge of each of the two pixel electrodes and a second portion, wherein the first insulating layer includes a third portion overlapping the two pixel electrodes, and a fourth portion having a height greater than a height from the substrate to a top surface of the third portion, wherein the first portion of the second insulating layer overlaps the third portion, and the second portion of the second insulating layer overlaps the fourth portion, wherein a height from the substrate to a top surface of the second portion is greater than a height from the substrate to a top surface of the first portion.

公开(公告)号：US20240276770A1

公开(公告)日：2024-08-15

申请号：US18644098

申请日：2024-04-24

Applicant: Samsung Display Co., Ltd.

Inventor： Junhee Lee ,  Minyeul Ryu

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/1201

Abstract: Provided are a display apparatus including: a substrate; a pixel circuit disposed over the substrate and comprising a thin film transistor and a storage capacitor; an insulating layer covering the pixel circuit; a bridge electrode disposed over the insulating layer and electrically connected to the pixel circuit through a contact hole formed in the insulating layer; a pixel electrode disposed over the insulating layer and electrically connected to the bridge electrode; a pixel definition layer disposed over the pixel electrode and including an opening overlapping a portion of the pixel electrode; an opposite electrode over the pixel electrode; and an emission layer disposed between the pixel electrode and the opposite electrode, wherein the pixel electrode does not overlap the contact hole of the insulating layer in a plan view.

公开(公告)号：US12082453B2

公开(公告)日：2024-09-03

申请号：US17375397

申请日：2021-07-14

Applicant: Samsung Display Co., Ltd.

Inventor： Junhee Lee ,  Minyeul Ryu ,  Beohmrock Choi

IPC: H10K59/126 ,  H10K59/121 ,  H10K59/122 ,  H10K59/38 ,  G06F3/041 ,  G06F3/044

CPC classification number: H10K59/126 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/38 ,  G06F3/0412 ,  G06F3/044

Abstract: A display device may include a substrate including a display area, a thin film transistor disposed on the substrate, a via layer disposed on the thin film transistor, where a via hole is defined through the via layer to expose a part of the thin film transistor, a lower electrode disposed on the via layer, a pixel defining layer disposed on the via layer, where a step structure is defined in the pixel defining layer to overlap the via hole, and a transmission preventing pattern disposed on the pixel defining layer and overlapping the via hole.

公开(公告)号：US11538880B2

公开(公告)日：2022-12-27

申请号：US17001256

申请日：2020-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Nakcho Choi ,  Daegi Kweon ,  Minyeul Ryu

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device includes two pixel circuits spaced apart from each other with a transmission area therebetween, a first insulating layer on the two pixel circuits, two pixel electrodes on the first insulating layer, and a second insulating layer including a first portion covering an edge of each of the two pixel electrodes and a second portion, wherein the first insulating layer includes a third portion overlapping the two pixel electrodes, and a fourth portion having a height greater than a height from the substrate to a top surface of the third portion, wherein the first portion of the second insulating layer overlaps the third portion, and the second portion of the second insulating layer overlaps the fourth portion, wherein a height from the substrate to a top surface of the second portion is greater than a height from the substrate to a top surface of the first portion.

公开(公告)号：US20220336557A1

公开(公告)日：2022-10-20

申请号：US17496828

申请日：2021-10-08

Applicant: Samsung Display Co., Ltd.

Inventor： Junhee Lee ,  Minyeul Ryu

IPC: H01L27/32

Abstract: Provided are a display apparatus including: a substrate; a pixel circuit disposed over the substrate and comprising a thin film transistor and a storage capacitor; an insulating layer covering the pixel circuit; a bridge electrode disposed over the insulating layer and electrically connected to the pixel circuit through a contact hole formed in the insulating layer; a pixel electrode disposed over the insulating layer and electrically connected to the bridge electrode; a pixel definition layer disposed over the pixel electrode and including an opening overlapping a portion of the pixel electrode; an opposite electrode over the pixel electrode; and an emission layer disposed between the pixel electrode and the opposite electrode, wherein the pixel electrode does not overlap the contact hole of the insulating layer in a plan view.