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公开(公告)号：US20230413654A1
公开(公告)日：2023-12-21
申请号：US18247407
申请日：2021-10-22
Inventor： Chinlung LIAO , Wenbin JIA , Hongli WANG
IPC: H10K71/13 , H10K59/12 , H10K59/122
CPC classification number: H10K71/13 , H10K59/1201 , H10K59/122 , H10K59/35
Abstract: A manufacturing method for a display substrate, a display substrate, and a display device. The uniformity of film thicknesses of light-emitting functional layers in sub-pixel regions of different colors can be achieved, the effective aperture ratio of the sub-pixel regions of different colors can be ensured, and the service life of the device can be prolonged. The manufacturing method includes: providing a base substrate, the base substrate including a plurality of sub-pixel regions of different colors; printing a solution of a light-emitting functional layer in each sub-pixel region, in which the volumes of the solution in the sub-pixel regions of different colors are positively correlated with the saturated vapor pressure of the solution; and performing vacuum drying on the solution to form light-emitting functional layers having uniform film thicknesses.
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公开(公告)号：US20240215403A1
公开(公告)日：2024-06-27
申请号：US17915742
申请日：2021-10-27
Inventor： Wenbin JIA , Feifei ZHU , Xiang WAN
CPC classification number: H10K59/876 , H10K59/35 , H10K59/873
Abstract: Provided are a top emitting display panel and a display device, the top emitting display panel includes a substrate, a light-emitting structure and a cover layer, wherein the light-emitting structure comprises a first light-emitting structure, a second light-emitting structure and a third light-emitting structure, and corresponding light-emitting wavelengths are a first wavelength, a second wavelength and a third wavelength respectively; the cover layer is located on a side of the light-emitting structure away from the substrate, and includes at least two of a first region located on the first light-emitting structure, a second region located on the second light-emitting structure, and a third region located on the third light-emitting structure, the first region has a thickness such that twice of the length of an equivalent optical path in the first region along a thickness direction is an integer multiple of the first wavelength; the second region has a thickness such that twice of the length of an equivalent optical path in the second region along the thickness direction is an integer multiple of the second wavelength; and the third region has a thickness such that twice of the length of an equivalent optical path in the third region along the thickness direction is an integer multiple of the third wavelength. According to embodiments of the present disclosure, light extraction efficiencies corresponding to the first wavelength, the second wavelength, and the third wavelength can be simultaneously increased, and the display panel have a reduced power consumption and an improved lifetime.
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公开(公告)号：US20220278277A1
公开(公告)日：2022-09-01
申请号：US17637965
申请日：2021-03-22
Inventor： Wenbin JIA , Kaihong MA , Zhijie YE
IPC: H01L51/00
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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14.发明申请公开(公告)号：US20210399067A1
公开(公告)日：2021-12-23
申请号：US17289242
申请日：2020-08-20
Inventor： Wenbin JIA
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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公开(公告)号：US20190157587A1
公开(公告)日：2019-05-23
申请号：US15991107
申请日：2018-05-29
Inventor： Wenbin JIA , Feifei ZHU
IPC: H01L51/00 , G02F1/1333 , H01L51/56 , H01L51/52
CPC classification number: H01L51/0097 , G02F1/133305 , H01L27/3241 , H01L51/003 , H01L51/5237 , H01L51/5253 , H01L51/56
Abstract: The present disclosure provides a flexible display substrate, a manufacturing method thereof, and a display panel, belonging to the field of display technology. The manufacturing method includes: forming a release layer structure containing a plurality of charged microspheres on a carrier substrate; forming a flexible substrate and a display device on the release layer structure; and peeling off the carrier substrate and the flexible substrate, to obtain a flexible display substrate.
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Patent Agency Ranking
公开(公告)号：US20190103452A1
公开(公告)日：2019-04-04
申请号：US16148799
申请日：2018-10-01
Inventor： Wenbin JIA , Huifeng WANG , Chinlung LIAO , Feifei ZHU , Xiang WAN
IPC: H01L27/32
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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17.发明申请公开(公告)号：US20210226158A1
公开(公告)日：2021-07-22
申请号：US16082402
申请日：2018-01-11
Inventor： Wenbin JIA , Yikun DOU , Huifeng WANG , Li SUN
Abstract: An OLED display panel, a manufacturing method thereof and a display device are provided. The OLED display panel includes an OLED display substrate and an encapsulation layer for encapsulating the OLED display substrate. The OLED display substrate includes a flexible base substrate, and a TFT layer, a planarization layer and an OLED element layer arranged sequentially on the flexible base substrate. At least one layer of the encapsulation layer, and at least one of the flexible base substrate or the planarization layer, are polymer material layers each doped with flexible nano-composite glass fibers.
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18.发明申请公开(公告)号：US20190296239A1
公开(公告)日：2019-09-26
申请号：US16129217
申请日：2018-09-12
Inventor： Wenbin JIA
Abstract: Disclosed are a method for manufacturing an OLED device and an OLED device obtained by the method, and a method for manufacturing a display panel and a display panel obtained by the method, which can solve the problem that the film thickness of an organic functional layer in the existing OLED device is uneven. The method for manufacturing the OLED device includes: forming a pixel defining layer on a substrate and forming accommodating portions in the pixel defining layer; adding ink to the accommodating portions to form an organic functional layer, wherein the ink includes a first organic solvent and a second organic solvent; and the first organic solvent and the second organic solvent have the same kind of lyophilic property or lyophobic property, and the first organic solvent and the second organic solvent have different boiling points and different degrees of lyophilic property or lyophobic property.
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19.发明申请公开(公告)号：US20170271417A1
公开(公告)日：2017-09-21
申请号：US15259545
申请日：2016-09-08
Inventor： Wenbin JIA , Rui PENG , Xinxin WANG , Zhijie YE , Lei HUANG
IPC: H01L27/32 , H01L51/56 , H01L51/52 , G02F1/167 , G02F1/1333
CPC classification number: H01L27/3232 , G02F1/167 , G02F1/1681 , G02F2201/44 , H01L2251/5323
Abstract: The present disclosure provides an OLED double-sided display panel, its manufacturing method and a display device. The OLED double-sided display panel includes a base substrate, a plurality of OLEDs formed on the base substrate, and a light control unit arranged at at least one side of the OLEDs. An orthogonal projection of the light control unit onto the base substrate covers an orthogonal projection of each OLED onto the base substrate, and the light control unit is capable of being switched between a transparent state and an opaque state.
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公开(公告)号：US20170067144A1
公开(公告)日：2017-03-09
申请号：US15098154
申请日：2016-04-13
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ronggang SHANGGUAN , Wenbin JIA , Xinxin WANG , Xinwei GAO
IPC: C23C14/24
CPC classification number: C23C14/243
Abstract: A vacuum evaporation source apparatus is provided. The vacuum evaporation system includes an evaporation crucible, a first cover plate and a second cover plate. The first cover plate and the second cover plate are disposed at an outlet of the evaporation crucible. A plurality of first holes are disposed in the first cover plate penetrating its thickness direction and are evenly distributed and second via holes corresponding to the first via holes one to one are disposed in the second cover plate. The second cover plate is overlapped on the first cover plate with its position adjustable relative to the first cover plate along an extension direction of the first cover plate, and the overlapping area of each corresponding first via hole and second via hole is the same as the overlapping area of each pair of corresponding first via hole and second via hole. The second cover plate moves relative to the first cover plate and adjustment of the overlapping area of each pair of corresponding first via hole and second via hole is realized.
Abstract translation: 提供真空蒸发源装置。 真空蒸发系统包括蒸发坩埚，第一盖板和第二盖板。 第一盖板和第二盖板设置在蒸发坩埚的出口处。 多个第一孔布置在贯穿其厚度方向的第一盖板中并且均匀分布，并且与第一通孔相对应的第二通孔一一布置在第二盖板中。 第二盖板重叠在第一盖板上，其位置可相对于第一盖板沿着第一盖板的延伸方向可调，并且每个对应的第一通孔和第二通孔的重叠区域与 每对相应的第一通孔和第二通孔的重叠区域。 第二盖板相对于第一盖板移动，并且实现了每对相应的第一通孔和第二通孔的重叠区域的调整。
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