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公开(公告)号：US12225779B2
公开(公告)日：2025-02-11
申请号：US17765397
申请日：2021-04-15
Applicant: BOE Technology Group Co., Ltd.
Inventor： Linlin Wang , Ying Cui
IPC: H10K59/122 , H10K59/12
Abstract: A display substrate includes a base substrate, a thin film transistor array layer, a planarization layer, a first electrode and a pixel definition layer, the pixel definition layer defining a plurality of pixel openings, each pixel opening includes a first edge and a second edge adjacent to each other, the pixel definition layer includes a first pixel definition layer parallel to the first edge and a second pixel definition layer parallel to the second edge. A surface of the first pixel definition layer away from the base substrate is located at a level lower than a surface of the second pixel definition layer away from the base substrate, a groove parallel to the first edge is arranged in a surface of the planarization layer away from the base substrate, at least a part of the first pixel definition layer is arranged in the groove.
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公开(公告)号：US20250031523A1
公开(公告)日：2025-01-23
申请号：US18281817
申请日：2023-02-20
Applicant: BOE Technology Group Co., Ltd.
IPC: H10K59/122 , H10K59/12 , H10K59/35
Abstract: A display base plate includes sub-pixels, substrate, pixel defining layer disposed on side of substrate which includes first, second and third retaining wall; first and second retaining wall configured to form opening area of sub-pixel, first retaining wall is located between opening areas of adjacent sub-pixels having different colors, second retaining wall is located between opening areas of adjacent sub-pixels having same color; third retaining wall is disposed at side of first retaining wall facing away from substrate, and orthographic projection of third retaining wall on substrate is located within range of orthographic projection of first retaining wall on substrate; surface of side of first retaining wall away from substrate is higher than surface of side of second retaining wall away from substrate, and is lower than a surface of side third retaining wall away from substrate.
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公开(公告)号：US09738073B2
公开(公告)日：2017-08-22
申请号：US14913724
申请日：2015-08-19
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Qing Dai , Chunjing Hu , Ying Cui , Ze Liu , Shoulei Shi
IPC: B41J2/14
CPC classification number: B41J2/1433 , B41J2/14233
Abstract: The present invention provides a printing head comprising a plurality of sub-heads each comprising a base and a plurality of diversion trenches provided in the base, and one end of each of the diversion trenches is connected to one of nozzles of the sub-head. Projections of all the diversion trenches on a first plane in a first projection direction are arranged at an equal interval, the first plane is a plane defined by an arrangement direction and a length direction of the diversion trenches in the sub-head, and the first projection direction is a moving direction of the printing head with respect to a printing surface during printing. The spacing of the diversion trenches in each of the sub-heads is greater than that of the projections of all the diversion trenches in the first plane on the first projection direction.
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公开(公告)号：US20170194602A1
公开(公告)日：2017-07-06
申请号：US15321211
申请日：2016-04-12
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying Cui , Chunjing Hu
CPC classification number: H01L51/5271 , H01L27/3246 , H01L27/3283 , H01L51/56 , H01L2227/323
Abstract: Provided are a display substrate and a manufacturing method therefor, and a display device. The display substrate includes: a base substrate, a pixel defining layer (40, 40′) formed on the base substrate, and a light emitting layer located in a sub-pixel region (P) defined by the pixel defining layer (40, 40′), wherein, the pixel defining layer (40, 40′) includes: a reflecting layer (41, 41′), configured such that light emitted from the light emitting layer to the reflective layer (41, 41′), is reflected to a light outgoing side of the display substrate. The display device adopting the display substrate not only can effectively solve the problems of light leakage and light color interference, but also can effectively improve light out-coupling efficiency and color purity.
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公开(公告)号：US11315992B2
公开(公告)日：2022-04-26
申请号：US16957369
申请日：2019-12-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying Cui
Abstract: The present disclosure provides an array substrate, including: a base substrate; a planarization layer formed on the base substrate; a plurality of pixel electrodes formed on the planarization layer; and a pixel definition layer including a first pixel definition layer and a second pixel definition layer, the first pixel definition layer covering a periphery of each pixel electrode and exposing a central area of each pixel electrode, the second pixel definition layer being formed on the planarization layer between adjacent pixel electrodes and having a plurality of openings defining each sub-pixel unit; a bottom of a dam portion of the second pixel definition layer and a bottom of a dam portion of the first pixel definition layer adjacent thereto are separated by a predetermined distance, and a thickness of the second pixel definition layer is greater than a thickness of the first pixel definition layer.
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Patent Agency Ranking
公开(公告)号：US11038109B2
公开(公告)日：2021-06-15
申请号：US16490109
申请日：2018-11-14
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying Cui , Wenjun Hou
Abstract: The disclosure discloses an organic light-emitting display panel, a method for fabricating the same, and a display device, and the method for fabricating an organic light-emitting display panel includes: providing a substrate; and forming light-emitting layers sequentially in opening regions of sub-pixels in different colors, wherein at least one of sub-pixels other than a sub-pixel with a largest area is a first sub-pixel, and sub-pixels other than the first sub-pixel are second sub-pixels; and forming a light-emitting layer for the first sub-pixel includes: jetting a solvent for dissolving a light-emitting material in at least one of the second sub-pixels in which no light-emitting layer is formed, and jetting ink including the solvent, and a light-emitting material corresponding to the first sub-pixel in the first sub-pixel.
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公开(公告)号：US10461138B2
公开(公告)日：2019-10-29
申请号：US15987521
申请日：2018-05-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying Cui
Abstract: An organic light-emitting display device and a manufacturing method thereof are provided by the embodiments of the present disclosure, and the organic light-emitting display device includes: a substrate; a plurality of pixel definition strips disposed on the substrate, in which the plurality of pixel definition strips are spaced apart from and arranged in parallel with each other, and two adjacent pixel definition strips among the plurality of pixel definition strips and a portion of the substrate between the two adjacent pixel definition strips constitute a pixel definition groove; and an organic light-emitting functional layer disposed in the pixel definition groove, the organic light-emitting functional layer includes a plurality of sub organic light-emitting functional layers which are insulated with each other and arranged along an extension direction of the plurality of pixel definition strips.
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公开(公告)号：US10270031B2
公开(公告)日：2019-04-23
申请号：US15820695
申请日：2017-11-22
Applicant: BOE Technology Group Co., Ltd.
Inventor： Ying Cui
Abstract: The present disclosure provides an inkjet printing film-forming method. The method comprises following steps: forming liquid droplets of ink on a substrate by inkjet printing; and drying the liquid droplets of ink on the substrate while the substrate is spun, so that the liquid droplets of ink is allowed to form a film. The present disclosure further provides a production method of an organic light-emitting device, an organic light-emitting device, and a display apparatus.
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公开(公告)号：US10026792B2
公开(公告)日：2018-07-17
申请号：US15512274
申请日：2016-02-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Ying Cui , Chunjing Hu
Abstract: A pixel definition layer and an OLED device are provided. The pixel definition layer includes a plurality of openings, the openings each being provided with bottom surface opening, a top surface opening and a side wall. The openings at least include a first opening defining a first pixel unit and a second opening defining a second pixel unit. The first opening is filled with a first pixel luminescent material, and the second opening is filled with a second pixel luminescent material. A decay rate of the first pixel luminescent material is lower than that of the second pixel luminescent material. The area of the bottom surface opening of the first opening is smaller than that of the bottom surface opening of the second opening. The side wall of the opening is provided with a pre-set reference surface. The pixel definition layer can be used for preparing an OLED device.
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公开(公告)号：US12225777B2
公开(公告)日：2025-02-11
申请号：US17629026
申请日：2021-04-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Juanjuan You , Ying Cui , Yue Zhang
IPC: H10K59/122 , H01L23/538 , H10K59/40 , H10K71/00 , H10K71/13 , H10K71/20 , H10K59/12 , H10K102/00
Abstract: A display base plate includes: a substrate (101), a first electrode layer (102) formed on the substrate (101), and a first pixel definition layer (103) and a second pixel definition layer (104) formed on the first electrode layer (102); the first pixel definition layer (103) divides the substrate (101) into a plurality of pixel regions (105), each pixel region (105) includes a plurality of subpixel regions (1050) distributed along a first direction, and two adjacent subpixel regions (1050) are separated by the second pixel definition layer (104); in the first direction, surfaces of each pixel region (105) in contact with the first pixel definition layer (103) include a plurality of first curved surfaces (1061) and a plurality of second curved surfaces (1062), and the first curved surfaces (1061) and the second curved surfaces (1062) are protruded away from the pixel region (105) to which they belong.
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