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公开(公告)号：US20230403908A1
公开(公告)日：2023-12-14
申请号：US17915755
申请日：2021-11-11
Applicant: BOE Technology Group Co., Ltd.
Inventor： Hao GAO , Xin LI , Xing FAN , Cheng HAN , Yansong LI
CPC classification number: H10K59/873 , H10K59/879 , H10K59/1201 , H10K2102/351
Abstract: This invention provides an OLED display substrate, a method for manufacturing the same, and a display device, which belongs to the technical field of displays. The OLED display substrate includes: a drive substrate, the drive substrate being provided with a light-emitting unit; and an encapsulation structure covering the light-emitting unit. The encapsulation structure comprises a first inorganic structure, an organic layer and a second inorganic structure arranged in sequence along a direction away from the drive substrate. A refractive index of the first inorganic structure is higher than a refractive index of the organic layer, the first inorganic structure comprises at least one inorganic layer, and a thickness of one inorganic layer of the at least one inorganic layer is not larger than 500 nm. With the technical solution of this invention, the display effect of the OLED display substrate can be improved.
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公开(公告)号：US20230039218A1
公开(公告)日：2023-02-09
申请号：US17788567
申请日：2021-06-04
Applicant: BOE Technology Group Co., Ltd.
Abstract: The present application provides display panels, transparent display panels and manufacturing methods therefor. A transparent display panel includes a light transmitting substrate, pixel structures, second electrode connecting portions, and a nano-material layer. A display region of the light transmitting substrate includes alternately distributed pixel regions and non-pixel regions. The pixel structures are located in the pixel regions, each including: a first electrode close to the light transmitting substrate, a second electrode away from the light transmitting substrate, and a light emitting block between the first electrode and the second electrode. The second electrode connecting portions are located in the non-pixel regions, and connect adjacent second electrodes, and one or more materials for the second electrode connecting portions are the same as the one or more materials for the second electrodes, both including transflective materials. The nano-material layer includes a plurality of nano-island structures separated from each other, and is located at least on a side of the second electrode connecting portions away from the light transmitting substrate, and is configured to excite surface plasma polaritons corresponding to infrared light and scatter the infrared light.
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公开(公告)号：US20220310969A1
公开(公告)日：2022-09-29
申请号：US17483253
申请日：2021-09-23
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
IPC: H01L51/52
Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a substrate; and a light-emitting device and a packaging structure on the substrate, the packaging structure sealing the light-emitting device on the substrate. The light-emitting device includes a cathode, an anode, and a light-emitting layer between the cathode and the anode; the packaging structure includes a first inorganic packaging layer, and the first inorganic packaging layer includes a first inorganic packaging sublayer, a second inorganic packaging sublayer, and a third inorganic packaging sublayer that are sequentially stacked; and a refractive index of the second inorganic packaging sublayer is greater than a refractive index of the first inorganic packaging sublayer, and a difference between the refractive index of the second inorganic packaging sublayer and the refractive index of the first inorganic packaging sublayer is greater than 0.1, the refractive index of the second inorganic packaging sublayer is greater than a refractive index of the third inorganic packaging sublayer, and a difference between the refractive index of the second inorganic packaging sublayer and the refractive index of the third inorganic packaging sublayer is greater than 0.1.
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公开(公告)号：US20220123057A1
公开(公告)日：2022-04-21
申请号：US17458193
申请日：2021-08-26
Applicant: BOE Technology Group Co., Ltd.
Abstract: The application provides a manufacturing method for a display panel, a display panel, and a display device. The manufacturing method includes: providing a substrate; forming a driving circuit layer on the substrate; forming a planarization layer on the side of the driving circuit layer facing away from the substrate; forming a composite material layer on the side of the planarization layer facing away from the substrate with a polymerization-induced phase separation method to the composite material layer including a polymer and liquid crystal phase molecules dispersed in the polymer; removing the liquid crystal phase molecules in the composite material layer to obtain an auxiliary structure layer, the side of the auxiliary structure layer facing away from the substrate having a plurality of protrusion structures; and forming a pixel structure on the side of the auxiliary structure layer facing away from the substrate, wherein the auxiliary structure layer makes the pixel structure uneven, and the pixel structure includes a first electrode, an organic light emitting material, and a second electrode that are sequentially formed on the side of the auxiliary structure layer facing away from the substrate.
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公开(公告)号：US20210135157A1
公开(公告)日：2021-05-06
申请号：US16930334
申请日：2020-07-16
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xin LI , Xing FAN , Liangyu SHI
Abstract: A display panel, a manufacturing method thereof and a display apparatus are provided. The display panel includes a light-emitting device on a substrate and an encapsulation structure on a light output surface on one side of the light-emitting device. The encapsulation structure includes a first inorganic layer and a fluoro-polymeric layer. Ductility and bending resistance of the fluoro-polymeric layer are greater than those of the first inorganic layer. Defects between the fluoro-polymeric layer and the first inorganic layer are fewer than those between the first inorganic layer and another layer. Thickness of the fluoro-polymeric layer and the first inorganic layer is less than that of the first inorganic layer and another layer. Bonding force between the fluoro-polymeric layer and the first inorganic layer is greater than that between the first inorganic layer and another layer.
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Patent Agency Ranking
公开(公告)号：US20240365639A1
公开(公告)日：2024-10-31
申请号：US18769428
申请日：2024-07-11
Applicant: BOE Technology Group Co., Ltd.
IPC: H10K59/50 , G02F1/1516 , G02F1/1524 , G02F1/155 , G02F1/157 , H10K50/81 , H10K59/12 , H10K59/123 , H10K59/124 , H10K71/00
CPC classification number: H10K59/50 , G02F1/155 , G02F1/157 , H10K50/81 , H10K71/00 , G02F1/1516 , G02F1/1524 , H10K59/1201 , H10K59/123 , H10K59/124
Abstract: A display substrate, a method of forming a display substrate and a display device are provided. The display substrate includes: a plurality of pixel units arranged in an array, a substrate, a light-emitting device layer and an electrochromic functional layer, where the light-emitting device layer and the electrochromic functional layer are stacked on the substrate; the light-emitting device layer includes a plurality of light-emitting devices, an orthographic projection of the electrochromic functional device on the substrate is at least partially overlapped with an orthographic projection of the corresponding effective light-emitting area on the substrate.
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公开(公告)号：US20220399411A1
公开(公告)日：2022-12-15
申请号：US17598894
申请日：2020-12-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xin LI , Xing FAN , Jing YANG , Jiangnan LU , Yansong LI
Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate and a plurality of pixel units disposed in matrix on the substrate, wherein each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a driving structure layer, a first electrode and a first pixel define layer on the driving structure layer, and a light absorption layer disposed on the first pixel define layer. The first pixel define layer includes a plurality of first barriers and first pixel openings disposed between the first barriers, the first pixel opening exposes at least part of the first electrode, and the first pixel opening includes a first surface close to the first electrode, a second surface opposite to the first surface and a first sidewall between the first and second surfaces.
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公开(公告)号：US20210013289A1
公开(公告)日：2021-01-14
申请号：US16913319
申请日：2020-06-26
Applicant: BOE Technology Group Co., Ltd.
Inventor： Xin LI , Lujiang HUANGFU , Xing FAN
IPC: H01L27/32 , G09G3/3225
Abstract: The present disclosure provides a display substrate, including a substrate, a first power line on the substrate, a second power line, and a plurality of pixel groups, each of which includes a plurality of pixels arranged in a first direction, the plurality of pixel groups are arranged in a second direction parallel to an extending direction of the first power line, the second direction is different from and intersects with the first direction, each of the plurality of pixels includes a light emitting unit having a first electrode and a second electrode, the first electrode of the light emitting unit is coupled to the first power line through an additional resistor with an additional resistance, and the second electrode of the light emitting unit is coupled to the second power line through an equivalent resistor with an equivalent resistance.
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公开(公告)号：US20200266257A1
公开(公告)日：2020-08-20
申请号：US16349135
申请日：2018-10-31
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xing FAN , Yansong LI
IPC: H01L27/32 , H01L51/52 , G02F1/1335
Abstract: A display substrate, a display device, and a peep prevention method thereof. The display substrate includes: a base substrate; a plurality of pixel units on the base substrate and including a plurality of first pixel units; and a light shielding portion positioned between two adjacent first pixel units.
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30.发明申请公开(公告)号：US20190326546A1
公开(公告)日：2019-10-24
申请号：US16209260
申请日：2018-12-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yansong LI , Haidong WU , Na LI , Xiaobo DU , Guanyin WEN , Xing FAN
Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The OLED display substrate includes a reflective cathode layer, an organic light-emitting layer, a transparent anode layer and a high reflection layer sequentially arranged on a substrate, and the high reflection layer has reflectivity greater than a threshold.
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