公开(公告)号：US10916723B2

公开(公告)日：2021-02-09

申请号：US16591142

申请日：2019-10-02

Applicant: Samsung Display Co., LTD.

Inventor： Junhee Lee ,  Sungmin Kim ,  Min Yeul Ryu ,  Woosik Jeon ,  Da-young Jung

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L51/00

Abstract: An organic light emitting display device may include a base substrate including an emission area at which light is emitted and a peripheral area which is adjacent to the emission area; an encapsulation substrate disposed on the base substrate; a common layer between the base substrate and the encapsulation substrate, the common layer disposed in both the emission area and the peripheral area; between the base substrate and the common layer, each of: a planarization layer; a pixel electrode in the emission area; and a pixel defining layer; and a discharging hole disposed corresponding to the pixel defining layer, the discharging hole extending through the common layer.

公开(公告)号：US11800763B2

公开(公告)日：2023-10-24

申请号：US17994957

申请日：2022-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hyun Son ,  Seung Hwan Cho ,  Dong Won Kim ,  Min Yeul Ryu ,  Ki Ho Bang ,  Nak Cho Choi

IPC: H10K59/131 ,  H10K59/88 ,  G09G3/3233 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/88 ,  G09G3/3233 ,  H10K59/1201

Abstract: A display device includes a substrate comprising an active area and a non-active area a first data conductive layer disposed on the substrate and including signal wires connected to pixels, a first insulating layer disposed on the first data conductive layer, a second data conductive layer disposed on the first insulating layer and including a connection wire connected to some of the signal wires and dummy wiring patterns disconnected the signal wires, a second insulating layer disposed on the second data conductive layer and a pixel electrode disposed on the second insulating layer. The dummy wiring patterns are separated from one another at a disconnection, the second insulating layer includes a second portion disposed on the disconnection and a third portion disposed on at least a portion of the connection wire, and thicknesses thereof are different from each other.

公开(公告)号：US11515383B2

公开(公告)日：2022-11-29

申请号：US17109000

申请日：2020-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Hyun Son ,  Seung Hwan Cho ,  Dong Won Kim ,  Min Yeul Ryu ,  Ki Ho Bang ,  Nak Cho Choi

IPC: H01L27/32 ,  G09G3/3233

Abstract: A display device includes a substrate comprising an active area and a non-active area a first data conductive layer disposed on the substrate and including signal wires connected to pixels, a first insulating layer disposed on the first data conductive layer, a second data conductive layer disposed on the first insulating layer and including a connection wire connected to some of the signal wires and dummy wiring patterns disconnected the signal wires, a second insulating layer disposed on the second data conductive layer and a pixel electrode disposed on the second insulating layer. The dummy wiring patterns are separated from one another at a disconnection, the second insulating layer includes a second portion disposed on the disconnection and a third portion disposed on at least a portion of the connection wire, and thicknesses thereof are different from each other.

公开(公告)号：US11296159B2

公开(公告)日：2022-04-05

申请号：US16734980

申请日：2020-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Nak Cho Choi ,  Dae-Gi Kweon ,  Ji hee Kim ,  Kie Hyun Nam ,  Min Yeul Ryu ,  Sang Hee Yu ,  Jun Hee Lee ,  Da-young Jung

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

Abstract: An embodiment of the present disclosure provides a display device including a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a light emitting layer and a second electrode overlapping the first electrode, a first partition wall between the first electrode and the second electrode, and a second partition wall overlapping the first partition wall, wherein the first partition wall includes at least one of a black pigment and a black dye, wherein the second partition wall includes an organic insulating material, and wherein a portion of the second partition wall overlaps the first electrode.

公开(公告)号：US12295220B2

公开(公告)日：2025-05-06

申请号：US17154922

申请日：2021-01-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hee Lee ,  Nak Cho Choi ,  Min Yeul Ryu ,  Dong Ki Lee ,  Choong Youl Im ,  Beohm Rock Choi

IPC: H10K59/131 ,  H10K50/844 ,  H10K59/122 ,  H10K59/126 ,  H10K59/38

Abstract: A display device includes a substrate, a transistor, an interlayer insulating layer, a first conductive line, a pixel electrode, a passivation layer, a common electrode, and a light emitting element layer. The transistor overlaps the substrate. The interlayer insulating layer overlaps the transistor and includes a first groove. The first conductive line is electrically connected to the transistor and is at least partially disposed inside the first groove. The pixel electrode is electrically connected to the transistor and overlaps the first conductive line. The passivation layer is disposed between the pixel electrode and the first conductive line and directly contacts at least one of the pixel electrode and the first conductive line. The common electrode overlaps the pixel electrode. The light emitting element layer is disposed between the common electrode and the pixel electrode.

公开(公告)号：US12114527B2

公开(公告)日：2024-10-08

申请号：US17507757

申请日：2021-10-21

Applicant: Samsung Display Co., LTD.

Inventor： Min Yeul Ryu ,  Dong Ki Lee ,  Jun Hee Lee ,  Choong Youl Im ,  Beohm Rock Choi ,  Nak Cho Choi

IPC: H01L27/12 ,  H01L29/786 ,  H10K50/86 ,  H10K59/131 ,  H10K59/35 ,  H10K71/00

CPC classification number: H10K50/865 ,  H01L29/78651 ,  H01L29/7869 ,  H10K59/131 ,  H10K59/353 ,  H10K71/00

Abstract: A display device includes a substrate, a first insulating layer on the substrate and including a flat upper surface, a first conductive layer on the substrate, the first conductive layer including first to third light blocking patterns separated from one another, a second insulating layer on the first conductive layer, and pixel electrodes on the second insulating layer. The pixel electrodes includes a first pixel electrode in a first color pixel and in the first light blocking pattern in a first direction in a plan view, and a second pixel electrode in a second color pixel and covering the second and third light blocking patterns in the first direction, the second insulating layer includes first and second areas respectively overlapping the first and second pixel electrodes, and each of the upper surfaces of the first and second areas includes a curved surface with a concave central portion.

公开(公告)号：US11871621B2

公开(公告)日：2024-01-09

申请号：US17713034

申请日：2022-04-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Nak Cho Choi ,  Dae-Gi Kweon ,  Ji hee Kim ,  Kie Hyun Nam ,  Min Yeul Ryu ,  Sang Hee Yu ,  Jun Hee Lee ,  Da-young Jung

IPC: H10K59/122 ,  H10K50/115 ,  H10K50/818 ,  H10K50/844 ,  H10K50/86 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K50/115 ,  H10K50/818 ,  H10K50/844 ,  H10K50/865 ,  H10K2102/351

Abstract: An embodiment of the present disclosure provides a display device including a substrate, a thin film transistor on the substrate, a first electrode electrically connected to the thin film transistor, a light emitting layer and a second electrode overlapping the first electrode, a first partition wall between the first electrode and the second electrode, and a second partition wall overlapping the first partition wall, wherein the first partition wall includes at least one of a black pigment and a black dye, wherein the second partition wall includes an organic insulating material, and wherein a portion of the second partition wall overlaps the first electrode.