公开(公告)号：US20210391394A1

公开(公告)日：2021-12-16

申请号：US17157962

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd

Inventor： Dongha Lee ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H01L27/32 ,  H01L51/56 ,  C09D11/30 ,  H01L51/00

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y>−3.518*ln(x)+45.59, wherein y is the concentration of the organic material, and x is the molecular weight of the organic material.

公开(公告)号：US11778864B2

公开(公告)日：2023-10-03

申请号：US17157962

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H10K71/00 ,  C09D11/30 ,  C09K11/06 ,  H10K59/122 ,  H10K85/10 ,  H10K59/12

CPC classification number: H10K59/122 ,  C09D11/30 ,  C09K11/06 ,  H10K71/00 ,  H10K85/141 ,  H10K59/1201

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy:

y>−3.518*1n(x)+45.59,

wherein y is the concentration of the organic material, and x is the molecular weight of the organic material.

公开(公告)号：US12167643B2

公开(公告)日：2024-12-10

申请号：US18233651

申请日：2023-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H10K71/00 ,  C09D11/30 ,  C09K11/06 ,  H10K59/122 ,  H10K85/10 ,  H10K59/12

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y

公开(公告)号：US11800778B2

公开(公告)日：2023-10-24

申请号：US17218951

申请日：2021-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Seoksoon Back

IPC: H10K71/13 ,  B05B1/14 ,  H10K71/00

CPC classification number: H10K71/135 ,  B05B1/14 ,  H10K71/00

Abstract: An inkjet spraying method includes preparing a spraying unit including nozzles for spraying an organic material on a target substrate including first pixels which display a same color, spraying the organic material to each of first pixels of a (1+a×n)th first-pixel row in the first pixels, and spraying the organic material to each of first pixels of a (2+a×n)th first-pixel row in the first pixels, where a first nozzle in the nozzles sprays the organic material to a first reference pixel in the first pixels of the (1+a×n)th first-pixel row, a second nozzle, which is different from the first nozzle, in the nozzles sprays the organic material to a second reference pixel in the first pixels of the (2+a×n)th first-pixel row, and the second reference pixel is disposed in parallel with the first reference pixel in a column direction.

公开(公告)号：US11744116B2

公开(公告)日：2023-08-29

申请号：US17322925

申请日：2021-05-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongha Lee ,  Seunguk Noh ,  Soohyun Park ,  Jongjang Park ,  Seoksoon Back ,  Seulgi Han

IPC: H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K71/13

CPC classification number: H10K59/122 ,  H10K59/124 ,  H10K71/00 ,  H10K71/135

Abstract: An organic light-emitting display device including a driving element including an active pattern and a gate electrode, an insulation layer covering the driving element, a first diode electrode disposed on the insulation layer and electrically connected to the driving element, a pixel-defining layer disposed on the insulation layer and including a side surface defining an opening overlapping at least a portion of the first diode electrode, an edge-compensation part including an organic material and disposed in a peripheral area of the opening, an organic light-emitting layer disposed on the first diode electrode and the edge-compensation part, and a second diode electrode disposed on the organic light-emitting layer, in which the edge-compensation part includes an inclined surface contacting the organic light-emitting layer, and a taper angle of the inclined surface of the edge-compensation part is less than a taper angle of the side surface of the pixel-defining layer.

公开(公告)号：US20250098436A1

公开(公告)日：2025-03-20

申请号：US18968531

申请日：2024-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H10K59/122 ,  C09D11/30 ,  C09K11/06 ,  H10K59/12 ,  H10K71/00 ,  H10K85/10

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y

公开(公告)号：US20230389366A1

公开(公告)日：2023-11-30

申请号：US18233651

申请日：2023-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha LEE ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H10K59/122 ,  C09D11/30 ,  H10K71/00 ,  H10K85/10 ,  C09K11/06

CPC classification number: H10K59/122 ,  C09D11/30 ,  H10K71/00 ,  H10K85/141 ,  C09K11/06 ,  H10K59/1201

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy:


y

公开(公告)号：US20220093707A1

公开(公告)日：2022-03-24

申请号：US17322925

申请日：2021-05-18

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Seunguk Noh ,  Soohyun Park ,  Jongjang Park ,  Seoksoon Back ,  Seulgi Han

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

Abstract: An organic light-emitting display device including a driving element including an active pattern and a gate electrode, an insulation layer covering the driving element, a first diode electrode disposed on the insulation layer and electrically connected to the driving element, a pixel-defining layer disposed on the insulation layer and including a side surface defining an opening overlapping at least a portion of the first diode electrode, an edge-compensation part including an organic material and disposed in a peripheral area of the opening, an organic light-emitting layer disposed on the first diode electrode and the edge-compensation part, and a second diode electrode disposed on the organic light-emitting layer, in which the edge-compensation part includes an inclined surface contacting the organic light-emitting layer, and a taper angle of the inclined surface of the edge-compensation part is less than a taper angle of the side surface of the pixel-defining layer.