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公开(公告)号：US11233101B2
公开(公告)日：2022-01-25
申请号：US16334644
申请日：2018-05-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Yang Yang , Xiaojie Pan
Abstract: The present disclosure provides a display substrate, a display device, and a method manufacturing of a display substrate, pertaining to the field of display devices. The display substrate includes a base substrate and a pixel defining layer. The pixel defining layer divides the base substrate into a plurality of sub-pixel regions. An orthographic projection of the at least one sub-pixel region on the base substrate is substantially quadrangular. The first side and the third side of the quadrilateral are inwardly recessed toward each other.
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公开(公告)号：US11031444B2
公开(公告)日：2021-06-08
申请号：US15761383
申请日：2017-09-22
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao
Abstract: The present application discloses a display panel including a base substrate and a pixel-defining layer on a surface on the base substrate to define multiple subpixel regions arranged in multiple rows with each subpixel region surrounded by part of the pixel-defining layer. The pixel-defining layer includes one or more grooves. Each groove includes a container portion partially surrounded by an edge portion. The container portion is at a first height above the surface and the edge portion is at a second height greater than the first height relative to the surface. The edge portion of each groove includes one or more gaps to allow the container portion to connect to one or more subpixel regions respectively in one or two rows at one or both sides of the groove.
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公开(公告)号：US10883167B2
公开(公告)日：2021-01-05
申请号：US15983071
申请日：2018-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Guangcai Yuan
Abstract: A crucible, an evaporation source and an evaporation device are disclosed. The crucible includes a crucible body. The crucible body includes: an inner heating layer with a first heater assembly and an outer heating layer with a second heater assembly. The outer heating layer is at a periphery of the inner heating layer, and surrounds the inner heating layer, and a space between the outer heating layer and the inner heating layer defines an accommodation space for a to-be-evaporated material.
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公开(公告)号：US10580843B2
公开(公告)日：2020-03-03
申请号：US16136784
申请日：2018-09-20
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Guangcai Yuan , Liwen Dong
Abstract: Embodiments of the present invention provide a substrate and a fabrication method thereof, and a display device. The substrate includes a base and a pixel defining layer in which a plurality of openings are formed, the pixel defining layer includes a first defining layer, a second defining layer and a third defining layer sequentially stacked on the base, wherein, the second defining layer is configured as a conductive layer, and an orthogonal projection of the second defining layer on the base is at least partially located outside an orthogonal projection of a side of the third defining layer close to the base on the base.
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公开(公告)号：US10576738B2
公开(公告)日：2020-03-03
申请号：US15520564
申请日：2016-09-06
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Hao Wang
Abstract: The present disclosure provides a calibration method and a calibration device for a volume of an ink droplet and a printing apparatus including the calibration device. The calibration method for a volume of an ink droplet comprises: calculating a first volume of a single ink droplet based on a mass and a density of an ink droplet; calibrating a measurement parameter used in an optical measurement approach based on the first volume; and acquiring a second volume of a single ink droplet using the optical measurement approach based on the calibrated measurement parameter.
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Patent Agency Ranking
公开(公告)号：US10461137B2
公开(公告)日：2019-10-29
申请号：US15816264
申请日：2017-11-17
Applicant: BOE Technology Group Co., Ltd.
Inventor： Dejiang Zhao
Abstract: The disclosure provides an organic electroluminescent display panel, and a method for fabricating the same. The organic electroluminescent display panel includes a substrate, and a pixel defining layer and a light emitting layer arranged on the substrate, wherein the pixel defining layer includes a first pixel defining layer arranged on the substrate, and a second pixel defining layer arranged on the first pixel defining layer; the first pixel defining layer includes a plurality of first opening areas, each first opening area defines a sub-pixel light emitting area, and the light emitting layer is arranged in the first opening areas; and the second pixel defining layer includes a plurality of second opening areas, each second opening area defines a virtual pixel area, and each virtual pixel area includes at least two adjacent sub-pixel light emitting areas in the same color.
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公开(公告)号：US10304915B2
公开(公告)日：2019-05-28
申请号：US15564923
申请日：2017-04-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao
Abstract: The present application discloses a method of fabricating a display substrate. The method includes forming a sacrificial layer including a plurality of sacrificial blocks on a base substrate; forming a pixel definition material layer on the base substrate subsequent to forming the sacrificial layer; and removing the sacrificial layer thereby forming a pixel definition layer comprising a plurality of pixel definition blocks. Each of the plurality of sacrificial blocks is formed to have a first side surface distal to the base substrate, a second side surface facing the first side surface and proximal to the base substrate, and a third side surface connecting the first side surface and the second side surface. An average tangential inclination of the third side surface with respect to the second side surface is an acute angle.
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公开(公告)号：US20190003035A1
公开(公告)日：2019-01-03
申请号：US15983071
申请日：2018-05-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Guangcai Yuan
Abstract: A crucible, an evaporation source and an evaporation device are disclosed. The crucible includes a crucible body. The crucible body includes: an inner heating layer with a first heater assembly and an outer heating layer with a second heater assembly. The outer heating layer is at a periphery of the inner heating layer, and surrounds the inner heating layer, and a space between the outer heating layer and the inner heating layer defines an accommodation space for a to-be-evaporated material.
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49.发明申请公开(公告)号：US20180254430A1
公开(公告)日：2018-09-06
申请号：US15560762
申请日：2016-10-09
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao
CPC classification number: H01L51/5221 , H01L27/32 , H01L27/3211 , H01L51/0005 , H01L51/5206 , H01L51/5228
Abstract: The present application discloses an organic light emitting diode display panel, a display apparatus having the same, and a fabricating method thereof. The organic light emitting diode display panel has a plurality of pixels, each of which includes a subpixel region and an inter-subpixel region. The organic light emitting diode display panel includes a base substrate; a first electrode layer on the base substrate; a light emitting layer in the subpixel region on a side of the first electrode layer distal to the base substrate; a second electrode layer on a side of the light emitting layer distal to the first electrode layer; and an auxiliary electrode layer in the inter-subpixel region in a same layer as the second electrode layer, the auxiliary electrode layer and the second electrode layer being in contact with each other; the auxiliary electrode layer has a thickness larger than that of the second electrode layer.
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50.发明授权公开(公告)号：US09969180B2
公开(公告)日：2018-05-15
申请号：US14770003
申请日：2015-01-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Dejiang Zhao , Jie Yin
CPC classification number: B41J11/0015 , B41J2/11 , H01L27/322 , H01L27/3241 , H01L27/3244 , H01L51/0005 , H01L51/0007 , H01L51/56 , H01L2227/323
Abstract: The present disclosure provides an inkjet printing device includes a first sprayer and a second sprayer; a first alignment unit configured to align the first sprayer to be above a display region of a display substrate; a second alignment unit configured to align the second sprayer to be above a peripheral region of the display substrate, the peripheral region surrounding the display region; a control unit configured to control the first sprayer to spray a solution toward the display region of the display substrate and control the second sprayer to spray a second solvent toward the peripheral region of the display substrate, the solution being obtained by dissolving a film-forming material in a first solvent; and an evaporation unit configured to evaporate the first solvent and the second solvent so as to form a film at the display region of the display substrate.
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