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公开(公告)号：US20220223665A1
公开(公告)日：2022-07-14
申请号：US17477465
申请日：2021-09-16
Applicant: Samsung Display Co., Ltd.
Inventor： Dongha Lee , Jongjang Park , Seulgi Han
Abstract: A method of manufacturing a display device includes forming a first electrode on a substrate, forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode, forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency, forming a first layer on the first electrode, and forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency, wherein the fourth bank layer is thinner than the second bank layer.
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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
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.
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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
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
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公开(公告)号：US20230389354A1
公开(公告)日：2023-11-30
申请号：US18121070
申请日：2023-03-14
Applicant: Samsung Display Co., Ltd.
Inventor： Dongha Lee
IPC: H10K59/12 , H10K71/13 , H10K59/122 , H10K59/35 , H10K71/40
CPC classification number: H10K59/1201 , H10K71/135 , H10K59/122 , H10K59/352 , H10K71/40
Abstract: A method of manufacturing a display device, includes preparing a substrate, forming a plurality of pixel electrodes on the substrate, forming a pixel-defining layer covering edge portions of the plurality of pixel electrodes and defining a plurality of exposed upper surfaces of the plurality of pixel electrodes, and forming an emission layer on the plurality of exposed upper surfaces of the plurality of pixel electrodes. The forming of the emission layer includes forming an emission layer by ejecting ink onto the plurality of exposed upper surfaces in an order from an exposed upper surface having a largest area to an exposed upper surface having a smallest area.
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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
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.
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Patent Agency Ranking
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
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
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公开(公告)号：US11903263B2
公开(公告)日：2024-02-13
申请号：US17477465
申请日：2021-09-16
Applicant: Samsung Display Co., Ltd.
Inventor： Dongha Lee , Jongjang Park , Seulgi Han
IPC: H10K59/122 , H10K71/00 , H10K59/12
CPC classification number: H10K59/122 , H10K71/00 , H10K59/1201
Abstract: A method of manufacturing a display device includes forming a first electrode on a substrate, forming a bank layer on the first electrode, wherein the bank layer includes an opening portion exposing at least a portion of the first electrode, forming a first bank layer and a second bank layer by baking the bank layer, wherein the second bank layer is on the first bank layer and has liquid repellency, forming a first layer on the first electrode, and forming a third bank layer and a fourth bank layer by baking the first bank layer and the second bank layer, wherein the fourth bank layer is on the third bank layer and has liquid repellency, wherein the fourth bank layer is thinner than the second bank layer.
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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
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.
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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.
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公开(公告)号：US20250040420A1
公开(公告)日：2025-01-30
申请号：US18409680
申请日：2024-01-10
Applicant: Samsung Display Co., Ltd.
Inventor： Dongha Lee
IPC: H10K71/00
Abstract: An apparatus for manufacturing a display device includes: droplet ejection units for ejecting droplets; a detection unit arranged on a fall path of the droplets and configured to detect low-resolution data of droplets; and a control unit configured to determine a volume of each of the droplets based on the detected low-resolution data. The control unit includes: a machine learning unit configured to perform machine learning to determine a correlation between sample low-resolution data and sample high-resolution data of droplets; and a volume extraction unit configured to determine a volume of the falling droplets by upscaling the detected low-resolution data into upscaled high-resolution data based a result of learning by the machine learning unit. The sample high-resolution data has a magnification greater than a magnification of the sample low-resolution data.
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