Patents by Inventor Yansong Li
Yansong Li has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12219849Abstract: An array substrate and a display apparatus are provided The array substrate includes: at least one adjusting portion on the base substrate and having a first cross section in a plane perpendicular to the base substrate; first cross section includes top and bottom sides, first and second lateral sides; the bottom side is closer to the base substrate than the top side, an orthographic projection of the top side on the base substrate is within an orthographic projection of the bottom side on the base substrate; the first and/or second lateral sides is/are stepped; a buffer layer on a side of the adjusting portion away from the base substrate; light-emitting devices on a side of the buffer layer away from the base substrate and each including a first electrode, a light-emitting layer and a second electrode sequentially arranged along a direction away from the base substrate.Type: GrantFiled: May 26, 2021Date of Patent: February 4, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xing Fan, Xin Li, Cheng Han, Yansong Li
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Patent number: 12219819Abstract: A display substrate includes a first electrode layer, a pixel define layer, an organic light-emitting layer, a second electrode layer and a first encapsulation layer which are sequentially disposed away from an base substrate. The pixel define layer has a plurality of openings, at least one of which exposes the first electrode layer. The pixel define layer has a first climbing part and a second climbing part close to the edge of at least one opening, the distance from a surface of the second climbing part away from the base substrate to the base substrate is greater than the distance from a surface of the first climbing part away from the base substrate to the base substrate, and the slope angle of the first climbing part is different from that of the second climbing part.Type: GrantFiled: April 26, 2021Date of Patent: February 4, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Xing Fan, Shantao Chen, Xin Li, Hao Gao, Cheng Han, Yansong Li
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Publication number: 20250040342Abstract: The present disclosure provides a display panel, and belongs to the technical field of display. The display panel in the present application includes a base substrate and a plurality of pixel units on the base substrate. Each of the pixel units includes a plurality of light-emitting units emitting light in different colors. Each of the the plurality of light-emitting unit includes a first electrode, an organic functional layer and a second electrode stacked sequentially along a direction away from the base substrate. Among the plurality of light-emitting units emitting light in different colors in each pixel unit, the second electrode of the light-emitting unit emitting light with a shortest wavelength has a smallest thickness along a direction perpendicular to the base substrate.Type: ApplicationFiled: November 29, 2022Publication date: January 30, 2025Inventors: Xiangmin WEN, Na BI, Yansong LI, Haidong WU, Yan FAN, Hao GAO, Cheng HAN
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Publication number: 20250008805Abstract: A display substrate includes a light emitting element on a base substrate; and a light modulating structure on a side of the light emitting element away from the base substrate. The light modulating structure includes a color filter layer and a substantially transparent layer on a side of the color filter layer away from the base substrate. The color filter layer includes a plurality of color filter units, a respective color filter unit of the plurality of color filter units being in an individual subpixel. Adjacent color filter units are spaced apart by a portion of the substantially transparent layer that extends into a region between the adjacent color filter units. An orthographic projection of the respective color filter unit on the base substrate at least partially overlaps with an orthographic projection of a light emitting layer of the light emitting element on the base substrate.Type: ApplicationFiled: November 24, 2022Publication date: January 2, 2025Applicant: BOE Technology Group Co., Ltd.Inventors: Cheng Han, Qixiao Wu, Zhihui Zhang, Yanqiang Wang, Songquan Wu, Yanming Wang, Xu Li, Le Wang, Lihui Luo, Yansong Li
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Patent number: 12178060Abstract: An electroluminescent device, a method for manufacturing the electroluminescent device, a display panel and a display device are provided in the embodiments of the present application. The electroluminescent device includes an anode layer, a first hole injection layer and a hole transport layer. The first hole injection layer is located between the anode layer and the hole transport layer; the first hole injection layer includes at least two secondary hole injection layers, and an equivalent resistance value of the at least two secondary hole injection layers is greater than a first threshold value.Type: GrantFiled: November 29, 2021Date of Patent: December 24, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaobo Du, Haidong Wu, Yansong Li, Bei Wang
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Publication number: 20240397799Abstract: A light-emitting panel and a manufacturing method thereof, and a light-emitting apparatus are provided, which relate to the technical field of photoelectric technology. The light-emitting panel includes: a light-emitting substrate including a light-emitting area and a non-light-emitting area surrounding the light-emitting area; a first packaging layer disposed at a light emitting side of the light-emitting substrate; a low refractive index layer disposed at a side of a first packaging layer away from the light-emitting substrate, the low refractive index layer being arranged around the light-emitting area; a high refractive index layer disposed at sides of the low refractive index layer and the first packaging layer away from the light-emitting substrate, an orthographic projection of the high refractive index layer on the light-emitting substrate covering the light-emitting area, and the high refractive index layer covering a side surface of the low refractive index layer facing the light-emitting area.Type: ApplicationFiled: September 28, 2022Publication date: November 28, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Cheng Han, Qixiao Wu, Songquan Wu, Xu Li, Yanming Wang, Xiangmin Wen, Yansong Li
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Publication number: 20240389379Abstract: Disclosed is a light-emitting device including a first electrode; a second electrode; a plurality of light-emitting units; and a charge separation/generation unit disposed between adjacent light-emitting units. Each charge separation/generation unit includes a first charge transmission sub-unit, a first charge generation sub-unit, a second charge generation sub-unit, and a second charge transmission sub-unit, sequentially arranged in a direction from the first electrode to the second electrode, the charge separation/generation unit satisfies that a transmittance is greater than 50% for visible light having a wavelength ranging from 380 nm to 480 nm, satisfies that a transmittance is greater than 70% for visible light having a wavelength ranging from 480 nm to 580 nm, and satisfies that a transmittance is greater than 75% for visible light having a wavelength ranging from 580 nm to 680 nm.Type: ApplicationFiled: July 31, 2023Publication date: November 21, 2024Inventors: Hui ZHOU, Yansong LI, Xiaobo DU, Guanyin WEN, Shuyun XU
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Patent number: 12150348Abstract: 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.Type: GrantFiled: December 23, 2020Date of Patent: November 19, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Xin Li, Xing Fan, Jing Yang, Jiangnan Lu, Yansong Li
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Publication number: 20240381728Abstract: A display substrate, a display panel, an electronic device and a display method. The display substrate includes first electrodes in a first display region and second electrodes in a second display region, a first light-emitting portion in the first display region and a second light-emitting portion in the second display region, and the first electrodes being of strip shapes extending along a first direction and being spaced apart from each other along a second direction; third electrodes in the first display region and a fourth electrode in the second display region, the third electrode being of strip shapes extending along the second direction and being spaced apart from each other along the first direction.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yan FAN, Yipeng CHEN, Yang WANG, Yansong LI, Xing FAN
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Publication number: 20240292719Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate; a pixel defining layer on one side of the base substrate and having a plurality of first openings for defining a plurality of sub-pixels, the plurality of first openings being in one-to-one correspondence to the plurality of sub-pixels; and an encapsulation layer on one side of the pixel defining layer away from the base substrate. The encapsulation layer includes: a first inorganic layer; a second inorganic layer on one side of the first inorganic layer away from the base substrate; an organic layer between the first inorganic layer and the second inorganic layer; and at least one first optical structure between the first inorganic layer and the organic layer. A refractive index of each first optical structure is greater than that of the organic layer.Type: ApplicationFiled: April 24, 2022Publication date: August 29, 2024Inventors: Cheng Han, Xing Fan, Qixiao Wu, Songquan Wu, Yanming Wang, Xu Li, Yansong Li
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Publication number: 20240292665Abstract: Provided are a display panel and a manufacturing method thereof and a display device. The display panel includes: a base substrate; a pixel defining layer including first openings defining sub-pixels; an encapsulation layer; and a light modulation layer. The light modulation layer is configured such that light from each of at least one sub-pixel propagates along a direction away from the base substrate after total reflection upon incidence on an interface between the first light modulation portion in a corresponding second opening and the first light modulation sub-layer. The display panel satisfies at least one of a first condition or a second condition. The first condition is that at least a part of edge of the first orthographic projection has a recess. The second condition is that at least a part of edge of the second orthogonal projection has at least one of a recess or a protrusion.Type: ApplicationFiled: April 24, 2022Publication date: August 29, 2024Inventors: Cheng Han, Kaijia Jin, Xing Fan, Yanming Wang, Qixiao Wu, Xiangmin Wen, Bingwei Yang, Shun Wang, Songquan Wu, Yansong Li
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Publication number: 20240292649Abstract: A light-emitting device includes at least one light-emitting unit including a luminescent layer, an electron functional layer and a hole functional layer; a material of the luminescent layer includes host materials and guest materials, the host materials include hole transport materials and electron transport materials; a material of the electron functional layer is the same as the electron transport materials, and a material of the hole functional layer is the same as the hole transport materials; an energy value HOMOA of a highest occupied molecular orbital of the hole transport materials and an energy value HOMOB of a highest occupied molecular orbital of the electron transport materials satisfy: HOMOA?HOMOB>0.2 eV; and an energy value LUMOA of a lowest unoccupied molecular orbital of the hole transport materials and an energy value LUMOB of a lowest unoccupied molecular orbital of the electron transport materials satisfy: LUMOA?LUMOB>0.2 eV.Type: ApplicationFiled: March 28, 2022Publication date: August 29, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Xiaobo Du, Haidong Wu, Yansong Li
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Patent number: 12069923Abstract: A display substrate, a display panel, an electronic device and a display method. The display substrate includes first electrodes in a first display region and second electrodes in a second display region, a first light-emitting portion in the first display region and a second light-emitting portion in the second display region, and the first electrodes being of strip shapes extending along a first direction and being spaced apart from each other along a second direction; third electrodes in the first display region and a fourth electrode in the second display region, the third electrode being of strip shapes extending along the second direction and being spaced apart from each other along the first direction.Type: GrantFiled: May 19, 2021Date of Patent: August 20, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yan Fan, Yipeng Chen, Yang Wang, Yansong Li, Xing Fan
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Publication number: 20240215367Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a first insulation layer. The first insulation layer includes a plurality of first openings, the first opening is configured to expose a first electrode to form an effective light emitting region, at least one effective light emitting region at least partially surrounds at least one island region; a second insulation pattern, the first electrode, a first insulation pattern of the first insulation layer, a light emitting layer and a second electrode are sequentially provided in the island region along a direction facing away from the base substrate, a distance between a portion of the first electrode in the island region and a main surface of the base substrate is greater than a distance between a portion of the first electrode in the effective light emitting region and the main surface of the base substrate.Type: ApplicationFiled: November 16, 2021Publication date: June 27, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xing FAN, Lujiang HUANGFU, Hao GAO, Qiuhua MENG, Hao ZHANG, Na LI, Yansong LI
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Publication number: 20240155904Abstract: A display substrate comprises a base substrate that comprises a first display area provided with multiple sub-pixels of different colors. At least one sub-pixel comprises a light-emitting element and a pixel driving circuit for driving the light-emitting element to emit light. The light-emitting element comprises a first electrode, a second electrode, and an organic light-emitting layer provided between the first electrode and the second electrode. The first electrode is a reflective electrode and is electrically connected to the pixel driving circuit. A first structure is provided on a side of the first electrode of the light-emitting element of a sub-pixel of at least one target color close to the base substrate, and a surface of the first structure close to the first electrode is uneven.Type: ApplicationFiled: May 26, 2021Publication date: May 9, 2024Inventors: Xin LI, Xing FAN, Jing YANG, Shantao CHEN, Cheng HAN, Jiangnan LU, Yansong LI
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Publication number: 20240147803Abstract: An array substrate and a display apparatus are provided The array substrate includes: at least one adjusting portion on the base substrate and having a first cross section in a plane perpendicular to the base substrate; first cross section includes top and bottom sides, first and second lateral sides; the bottom side is closer to the base substrate than the top side, an orthographic projection of the top side on the base substrate is within an orthographic projection of the bottom side on the base substrate; the first and/or second lateral sides is/are stepped; a buffer layer on a side of the adjusting portion away from the base substrate; light-emitting devices on a side of the buffer layer away from the base substrate and each including a first electrode, a light-emitting layer and a second electrode sequentially arranged along a direction away from the base substrate.Type: ApplicationFiled: May 26, 2021Publication date: May 2, 2024Inventors: Xing FAN, Xin LI, Cheng HAN, Yansong LI
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Patent number: 11930682Abstract: The present disclosure provides a display panel comprising multiple first, second and third sub-pixels having first, second and third effective light-emitting regions respectively. In a row direction, the first effective light-emitting regions form first rows of effective light-emitting regions, and the second and third effective light-emitting regions are alternately arranged to form second rows of effective light-emitting region. The first and second rows are alternately arranged in a column direction perpendicular to the row direction. A virtual quadrilateral is formed by lines connecting geometric centers of gravity of four first effective light-emitting regions in two adjacent rows and two adjacent columns. Geometric centers of gravity of the second and third effective light-emitting region are located in corresponding virtual quadrilaterals respectively.Type: GrantFiled: September 28, 2021Date of Patent: March 12, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shanshan Bai, Yue Liu, Yansong Li
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Patent number: 11899303Abstract: A color film structure includes a black matrix, a color film layer and a reflective layer. The black matrix has a plurality of openings. The color film layer includes a plurality of filter portions, and at least a portion of each filter portion is located in an opening of the black matrix. The reflective layer is located on a side of the black matrix configured to be proximate to a light-emitting substrate, and an orthographic projection of the reflective layer on a plane where the black matrix is located is covered by the black matrix. The reflective layer is configured to reflect at least a part of light emitted from the light-emitting substrate to the black matrix back to the light-emitting substrate, so that at least a part of the light reflected back to the light-emitting substrate is emitted through the color film layer.Type: GrantFiled: January 19, 2021Date of Patent: February 13, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Gao, Yansong Li
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Patent number: 11882721Abstract: 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.Type: GrantFiled: September 23, 2021Date of Patent: January 23, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xing Fan, Hao Gao, Qixiao Wu, Cheng Han, Tao Wang, Yansong Li
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Publication number: 20230403908Abstract: 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.Type: ApplicationFiled: November 11, 2021Publication date: December 14, 2023Inventors: Hao GAO, Xin LI, Xing FAN, Cheng HAN, Yansong LI