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1.发明授权公开(公告)号：US12156433B2
公开(公告)日：2024-11-26
申请号：US17289242
申请日：2020-08-20
Inventor： Wenbin Jia
IPC: H10K71/13 , H10K59/122 , H10K71/00
Abstract: A display substrate and a manufacturing method thereof, a display device, and an inkjet printing method. The display substrate comprises a base substrate. A pixel definition layer is provided at the base substrate. The pixel definition layer is provided with a pixel area for accommodating print drops. A stepped hole having a step shape is formed in the pixel area. The stepped hole comprises at least two steps. A barrier wall is provided inside the stepped hole to separate the adjacent steps.
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2.发明申请公开(公告)号：US20210257442A1
公开(公告)日：2021-08-19
申请号：US17251837
申请日：2020-05-13
Inventor： Wenbin Jia
Abstract: The present disclosure provides a defining solution for preparing a pixel defining layer configured to define individual pixels on a substrate, comprising: a lyophilic material, a lyophobic material and an initiator, wherein the lyophobic material comprises: a first lyophobic material and a second lyophobic material, and wherein a mass average molecular weight of the first lyophobic material is greater than a mass average molecular weight of the second lyophobic material, and a mass average molecular weight of the lyophilic material is greater than the mass average molecular weight of the first lyophobic material. The present disclosure further provides a display panel, a display apparatus and a method of preparing a pixel defining layer.
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公开(公告)号：US12213371B2
公开(公告)日：2025-01-28
申请号：US17637965
申请日：2021-03-22
Inventor： Wenbin Jia , Kaihong Ma , Zhijie Ye
IPC: H10K71/13 , H10K59/12 , H10K59/122 , H10K71/00
Abstract: A method of preparing organic functional layers of light-emitting device including: forming a plurality of holding portions in a pixel definition layer on a substrate; forming a plurality of ink droplets in the holding portions, the ink droplets including a first solvent, a second solvent and one or more solutes, a first saturated vapor pressure of the first solvent being higher than a second saturated vapor pressure of the second solvent, a solubility of the solutes in the first solvent being less than a solubility of the solutes in the second solvent, and a first affinity of lower parts of side walls of the holding portions for the first solvent is greater than a second affinity of the lower parts of the side walls of the holding portions for the second solvent; adjusting a vacuum degree of vacuum drying equipment to a first vacuum degree below the first saturated vapor pressure and above the second saturated vapor pressure to completely remove the first solvent; and adjusting the vacuum degree of the vacuum drying equipment to a second vacuum degree below the saturated vapor pressure of the second solvent to completely remove the second solvent.
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公开(公告)号：US12120921B2
公开(公告)日：2024-10-15
申请号：US16924194
申请日：2020-07-09
Inventor： Wenbin Jia
IPC: H01L27/32 , H10K59/122 , H10K71/13 , H10K71/15
CPC classification number: H10K59/122 , H10K71/135 , H10K71/15
Abstract: A display substrate includes a peripheral display region and a central display region. Multiple first pixel units are regularly arranged within the peripheral display region, and multiple second pixel units are regularly arranged within the central display region. Pixels Per Inch of the first pixel units within the peripheral display region is greater than Pixels Per Inch of the second pixel units within the central display region; or, Pixels Per Inch of the first pixel units within the peripheral display region is equal to Pixels Per Inch of the second pixel units within the central display region, and an area of the first pixel unit is larger than an area of the second pixel unit.
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公开(公告)号：US11575107B2
公开(公告)日：2023-02-07
申请号：US17256085
申请日：2020-04-17
Inventor： Wenbin Jia , Xinwei Gao , Peng Li
Abstract: A packaging structure, a packaging method, and a display apparatus are disclosed. The packaging structure includes: a first substrate and a second substrate opposite to each other; a plurality of first sealing frames located between the first substrate and the second substrate, wherein the first substrate, the second substrate and the plurality of first sealing frames enclose a plurality of sealed cavities not communicating with each other, and each of the sealed cavities is configured to package at least one to-be-packaged unit of a to-be-packaged device; and a first filler located in the sealed cavity.
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Patent Agency Ranking
公开(公告)号：US20210226150A1
公开(公告)日：2021-07-22
申请号：US17256085
申请日：2020-04-17
Inventor： Wenbin Jia , Xinwei Gao , Peng Li
Abstract: A packaging structure, a packaging method, and a display apparatus are disclosed. The packaging structure includes: a first substrate and a second substrate opposite to each other; a plurality of first sealing frames located between the first substrate and the second substrate, wherein the first substrate, the second substrate and the plurality of first sealing frames enclose a plurality of sealed cavities not communicating with each other, and each of the sealed cavities is configured to package at least one to-be-packaged unit of a to-be-packaged device; and a first filler located in the sealed cavity.
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公开(公告)号：US20240298473A1
公开(公告)日：2024-09-05
申请号：US18025538
申请日：2022-05-30
Inventor： Wenbin Jia
IPC: H10K59/122 , H10K59/12 , H10K59/35 , H10K71/13
CPC classification number: H10K59/122 , H10K59/1201 , H10K59/353 , H10K71/135
Abstract: A display panel and a method for manufacturing the same, and a displaying device, which relates to the technical field of displaying. The display panel includes a substrate base plate, and a pixel definition layer. The pixel definition layer is configured for defining a plurality of sub-pixel openings, and includes: primary pixel blocking walls and a plurality of sub-pixel blocking walls that intersect. The plurality of sub-pixel blocking walls include first sub-pixel blocking walls and second sub-pixel blocking walls, both of heights of the first sub-pixel blocking walls and heights of the second sub-pixel blocking walls are less than heights of the primary pixel blocking walls, and the first sub-pixel blocking walls and the second sub-pixel blocking walls have different heights and/or different materials.
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8.发明授权公开(公告)号：US11690267B2
公开(公告)日：2023-06-27
申请号：US17251837
申请日：2020-05-13
Inventor： Wenbin Jia
IPC: H01L27/32 , H10K59/173 , H10K59/122 , H10K71/00 , H10K59/12
CPC classification number: H10K59/173 , H10K59/122 , H10K71/00 , H10K59/1201
Abstract: The present disclosure provides a defining solution for preparing a pixel defining layer configured to define individual pixels on a substrate, comprising: a lyophilic material, a lyophobic material and an initiator, wherein the lyophobic material comprises: a first lyophobic material and a second lyophobic material, and wherein a mass average molecular weight of the first lyophobic material is greater than a mass average molecular weight of the second lyophobic material, and a mass average molecular weight of the lyophilic material is greater than the mass average molecular weight of the first lyophobic material. The present disclosure further provides a display panel, a display apparatus and a method of preparing a pixel defining layer.
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公开(公告)号：US10756151B2
公开(公告)日：2020-08-25
申请号：US16148799
申请日：2018-10-01
Inventor： Wenbin Jia , Huifeng Wang , Chinlung Liao , Feifei Zhu , Xiang Wan
Abstract: A method of fabricating a substrate includes forming a planarization layer, and forming the planarization layer includes: forming a first planarization sub-layer on a base substrate on which a patterned film layer has been formed. A surface of the first planarization sub-layer facing away from the base substrate has a plurality of depressed portions. Forming the planarization layer further includes: forming a second planarization sub-layer at multiple depressed portions of the plurality of the depressed portions to obtain the planarization layer including the first planarization sub-layer and the second planarization sub-layer. A flatness of a surface of the planarization layer is higher than a flatness of the surface of the first planarization sub-layer.
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10.发明授权公开(公告)号：US10553809B2
公开(公告)日：2020-02-04
申请号：US15971152
申请日：2018-05-04
Inventor： Zhijie Ye , Rui Peng , Xinxin Wang , Yikun Dou , Wenbin Jia , Yue Hu
Abstract: A laminated Organic Light Emitting Diode (OLED) display panel and a manufacturing method thereof and a display device are provided. The laminated OLED display panel includes: a pixel partition layer, which defines a plurality of openings; a first charge generate layer, which has a first doping type, being positioned on the pixel partition layer; and a second charge generate layer, which has a second doping type, being positioned on the first charge generate layer. The laminated OLED display panel further includes: a barrier layer, which is positioned between the first charge generation layer and the second charge generation layer and at least corresponds to a position of the pixel partition layer.
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