Patents by Inventor Jiandong BAO
Jiandong BAO 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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Publication number: 20250024718Abstract: Provided are a display panel and a manufacturing method thereof and a display device. The display panel includes: a base substrate; a first planarization layer; a plurality of sub-pixels, a plurality of anodes of which being located on one side of the first planarization layer away from the base substrate; a pixel defining layer having a plurality of pixel openings; a planarization structure including a plurality of planarization portions, orthographic projection of each of the first group of pixel openings on the base substrate is a first orthographic projection, orthographic projections of an anode and a planarization portion corresponding to each of the first group of pixel openings on the base substrate are a second and a third orthographic projection respectively, and an overlapping portion of the first and second orthographic projections is located within the third orthographic projection.Type: ApplicationFiled: February 24, 2023Publication date: January 16, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiandong BAO, Yuqun LU, Wei WANG, Bin LIU, Xin ZHOU, Shaojie QIN
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Patent number: 12150363Abstract: Embodiments of the application provide a display panel, a display screen and a display device. The display panel includes a backplane, a color filter layer, and a black matrix between the backplane and the color filter layer. The backplane includes a base substrate, the color filter layer includes a plurality of sub-pixel color filters, and the plurality of sub-pixel color filters are arranged along a plane of the color filter layer and spliced together to form the color filter layer.Type: GrantFiled: April 7, 2021Date of Patent: November 19, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenqiang Wang, Ao Huang, Peng Zhou, Liji Cheng, Sheng Guo, Jiandong Bao, Weilin Lai
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Publication number: 20240381709Abstract: Disclosed are a display substrate, a preparation method therefor and a display apparatus. The display substrate includes a shielding conductive layer and a functional structure layer, wherein the shielding conductive layer at least includes a first connection line, and the functional structure layer at least includes a data signal line and a second connection line; in a plane parallel to the display substrate, the display substrate includes a plurality of circuit units forming a plurality of unit rows and a plurality of unit columns, at least one circuit unit includes a pixel driving circuit, the data signal line is connected to a plurality of pixel driving circuits of one unit column, the data signal line is configured to provide a data signal to the pixel driving circuit; the second connection line is connected with the first connection line, and the data signal line is connected with the second connection line.Type: ApplicationFiled: May 31, 2022Publication date: November 14, 2024Inventors: Yanhong DING, Hui LU, Bin LIU, Yipeng CHEN, Jiandong BAO, Tao GAO, Lang LIU
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Publication number: 20240244932Abstract: The present application provides display substrates and their manufacturing methods, and display devices. A display substrate includes a base substrate, an encapsulation layer, a filter layer and optical film layers. The encapsulation layer is located on the base substrate. The filter layer is located in the encapsulation layer. The filter layer includes black matrixes. The black matrixes include black matrix openings. The optical film layers are located on a side of the encapsulation layer away from the base substrate. The optical film layers are configured to transmit part of incident light and absorb part of the incident light. A light transmittance of the optical film layers is larger than that of the black matrixes. The optical film layers include optical film layer openings. Projections of the optical film layer openings on the base substrate are located within projections of the black matrix openings on the base substrate.Type: ApplicationFiled: May 19, 2021Publication date: July 18, 2024Inventors: Yunhao WANG, Peng HOU, Yongzhan HAN, Yuan HE, Can HUANG, Zhen LI, Yulin WANG, Jiandong BAO, Pengcheng ZHAO, Yide DU
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Publication number: 20240179989Abstract: A display substrate and a display device are disclosed, and the display substrate has a plurality of sub-pixels, and includes a base substrate, a driving circuit layer, a pixel definition layer and a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer. The black matrix layer includes a plurality of first light-transmitting openings respectively exposing the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to a surface of the base substrate. The pixel definition layer includes a plurality of sub-pixel openings, at least part of the plurality of sub-pixel openings are in one-to-one correspondence with and at least partially overlapped with the plurality of first light-transmitting openings, and at least one of the plurality of first light-transmitting openings has an arc-shaped edge.Type: ApplicationFiled: November 4, 2021Publication date: May 30, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Youchun CHEN, Dan GUO, Shuo LI, Hongcheng GAO, Jiandong BAO, Jiwei WANG, Sheng GUO, Peng HOU, Yue LIU
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Publication number: 20240155913Abstract: A display substrate, a display apparatus and a manufacturing method are provided. The display substrate includes: a base substrate; a first electrode layer on a side of the base substrate; a light-emitting layer on a side of the first electrode layer facing away from the base substrate including a plurality of light-emitting portions; a second electrode layer on a side of the light-emitting layer facing away from the first electrode layer; a first transparent inhibitor layer including a plurality of mutually separated first pattern portions; and an auxiliary electrode layer including an auxiliary electrode pattern formed by inhibition of the first pattern portions, where at least part of an orthographic projection of the auxiliary electrode pattern on the base substrate is separated from orthographic projections of the first pattern portions on the base substrate, and the auxiliary electrode pattern is in contact and electrically connected with the second electrode layer.Type: ApplicationFiled: April 22, 2021Publication date: May 9, 2024Inventors: Ao HUANG, Rui LIU, Linlin WANG, Sheng GUO, Jiandong BAO, Weilin LAI, Peng ZHOU, Wenqiang WANG
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Patent number: 11903244Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a black matrix layer; a black adhesive layer on the black matrix layer; and a cover an a side of the black adhesive layer away from the black matrix layer. The black adhesive layer extends substantially throughout an entirety of a display region of the display panel, including a subpixel region and an inter-subpixel region. The black adhesive layer includes an optically clear adhesive and particles distributed throughout the optically clear adhesive. Light transmittance of the black adhesive layer is in a range of 40% to 80%.Type: GrantFiled: July 27, 2020Date of Patent: February 13, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jiandong Bao, Weifeng Zhou, Liqiang Chen, Paoming Tsai, Shuang Du, Zhao Li
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Patent number: 11895905Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.Type: GrantFiled: September 23, 2021Date of Patent: February 6, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Sen Wang, Li Jia, Bin Liu, Mingqi Gang, Shaojie Qin, Ming Yang, Jiandong Bao, Wei Wang, Xin Zhou
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Publication number: 20240027343Abstract: A detection method for a display screen is provided, including: emitting, by a light source, light onto a surface of a display screen to form a diffuse reflection, where the light source includes an initial first color channel value a1 and an initial second color channel value b1; measuring, by a detector, a first color channel value a and a second color channel value b of the reflected light; calculating a color breakup value lab of the reflected light by: lab=?{square root over ((a?a1)2+(b?b1)2)}; calculating, in response to (a+b) being not equal to 0, a hue value ? by: ?=|a+b|/(a+b); calculating a color breakup and hue quantization value ? of the reflected light by: ?=labĂ—?=|a+b|?{square root over ((a?a1)2+(b?b1)2)}/(a+b); and determining whether the display screen is qualified based on determining whether the color breakup and hue quantization value ? is within a predetermined quantization value range.Type: ApplicationFiled: August 24, 2021Publication date: January 25, 2024Inventors: Can Huang, Hongcheng Gao, Jiandong Bao, Dawei Shi, Lu Yang, Wentao Wang, Weitao Ma
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Patent number: 11882726Abstract: An OLED display panel and a manufacturing method of the same are provided. The OLED display panel includes a base plate, a first electrode layer and a pixel definition layer on a first side of the base plate, a plurality of electroluminescent layers on the first electrode layer, a second electrode layer covering the pixel definition layer and the plurality of electroluminescent layers, an encapsulation layer covering the second electrode layer, a black matrix and a color filter layer on the encapsulation layer and a plurality of photosensitive fingerprint sensors on a second side of the base plate; a plurality of light-transmitting holes are arranged in the black matrix, and orthographic projections of the plurality of light-transmitting holes on the second electrode layer are in hollow-out regions of the second electrode layer, respectively; and the photosensitive fingerprint sensors are in the orthographic projections of the light-transmitting holes, respectively.Type: GrantFiled: June 23, 2021Date of Patent: January 23, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongcheng Gao, Ao Huang, Can Huang, Jiandong Bao, Jiwei Wang
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Publication number: 20230209948Abstract: A display panel (10), including a light-emitting device layer (11) and a color film layer (12) arranged on a light-emitting side of the light-emitting device layer (11), the light-emitting device layer (11) includes a plurality of light-emitting units (112); each light-emitting unit (112) includes one first sub-pixel (1122), one second sub-pixel (1124) and two third sub-pixels (1126); the color film layer (12) includes a black matrix (122) and a plurality of color film units (124) corresponding to the plurality of light-emitting units (112); each color film unit (124) includes a first color film (1242) corresponding to the one first sub-pixel (1122), a second color film (1244) corresponding to the one second sub-pixel (1124) and a third color film (1246) corresponding to the two third sub-pixels (1126); the black matrix (122) is located between any two of the first color film (1242).Type: ApplicationFiled: August 4, 2021Publication date: June 29, 2023Inventors: Hongcheng GAO, Can HUANG, Weilin LAI, Jiandong BAO, Jiwei WANG
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Publication number: 20220376215Abstract: An OLED display panel and a manufacturing method of the same are provided. The OLED display panel includes a base plate, a first electrode layer and a pixel definition layer on a first side of the base plate, a plurality of electroluminescent layers on the first electrode layer, a second electrode layer covering the pixel definition layer and the plurality of electroluminescent layers, an encapsulation layer covering the second electrode layer, a black matrix and a color filter layer on the encapsulation layer and a plurality of photosensitive fingerprint sensors on a second side of the base plate; a plurality of light-transmitting holes are arranged in the black matrix, and orthographic projections of the plurality of light-transmitting holes on the second electrode layer are in hollow-out regions of the second electrode layer, respectively; and the photosensitive fingerprint sensors are in the orthographic projections of the light-transmitting holes, respectively.Type: ApplicationFiled: June 23, 2021Publication date: November 24, 2022Inventors: Hongcheng GAO, Ao HUANG, Can HUANG, Jiandong BAO, Jiwei WANG
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Publication number: 20220320465Abstract: A display region includes: a first display region including a first thin film encapsulation structure; a second display region including a second thin film encapsulation structure; and a transition display region including a third thin film encapsulation structure. The first thin film encapsulation structure includes a first inorganic encapsulation layer, a first organic encapsulation layer and a second inorganic encapsulation layer. The second thin film encapsulation structure includes the first organic encapsulation layer, the second inorganic encapsulation layer and a second organic encapsulation layer. The third thin film encapsulation structure includes a first portion and a second portion. The first portion includes the first inorganic encapsulation layer, the first organic encapsulation layer, the second inorganic encapsulation layer and the second organic encapsulation layer.Type: ApplicationFiled: February 8, 2021Publication date: October 6, 2022Inventors: Rui HOU, Yulin WANG, Ming YANG, Weilin LAI, Yide DU, Jiandong BAO
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Publication number: 20220320183Abstract: An OLED display substrate, a method of manufacturing the same and an OLED display apparatus are provided, and the display substrate includes a substrate base; a device layer including OLED light-emitting devices; an encapsulation layer on respective sides of the OLED light-emitting devices away from the substrate base; a black matrix layer on a side of the encapsulation layer away from the substrate base, the black matrix layer including openings; and a color filter layer on a side of the black matrix away from the substrate base, the color filter layer including color filters correspondingly provided on respective sides of the openings away from the substrate base, the color filters include working color filters and at least one common color filter; area of each common color filter on the substrate base is more than 50 times as large as area of any working color filter on the substrate base.Type: ApplicationFiled: May 14, 2021Publication date: October 6, 2022Inventors: Jiandong BAO, Hongcheng GAO, Can HUANG, Yuan HE
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Publication number: 20220310978Abstract: A display panel having a plurality of subpixels is provided. The display panel includes a black matrix layer; a black adhesive layer on the black matrix layer; and a cover on a side of the black adhesive layer away from the black matrix layer. The black adhesive layer extends substantially throughout an entirety of a display region of the display panel, including a subpixel region and an inter-subpixel region. The black adhesive layer includes an optically clear adhesive and particles distributed throughout the optically clear adhesive. Light transmittance of the black adhesive layer is in a range of 40% to 80%.Type: ApplicationFiled: July 27, 2020Publication date: September 29, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jiandong Bao, Weifeng Zhou, Liqiang Chen, Paoming Tsai, Shuang Du, Zhao Li
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Patent number: 11417263Abstract: The present disclosure provides a shift register unit, including: a first input sub-circuit configured to conduct a first voltage terminal with a first node under control of a first clock signal terminal; a first output sub-circuit configured to conduct a second voltage terminal with an output terminal under control of the first node; a second input sub-circuit configured to conduct an input terminal with a second node under control of the first clock signal terminal; a second output sub-circuit configured to conduct a second clock signal terminal with the output terminal under control of the second node; a first switching sub-circuit configured to conduct the first clock signal terminal with the first node under control of the second node; a second switching sub-circuit configured to conduct a third clock signal terminal with the storage sub-circuit under control of the first node.Type: GrantFiled: March 30, 2021Date of Patent: August 16, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingyi Feng, Yingsong Xu, Jiandong Bao
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Patent number: 11404675Abstract: The present disclosure provides a light emitting device and a manufacturing method thereof, a display panel and a display apparatus. The light emitting device includes a substrate; a light emitting element on the substrate; and a light coupling layer on a light emitting side of the light emitting element, wherein a thickness of the light coupling layer gradually decreases in a direction from a central region of the light emitting device toward an edge region of the light emitting device.Type: GrantFiled: May 20, 2020Date of Patent: August 2, 2022Assignees: Chongqing Boe Display Technology Co., Ltd., Boe Technology Group Co., Ltd.Inventors: Can Huang, Dawei Shi, Weilin Lai, Jiandong Bao, Lu Yang, Wentao Wang, Liji Cheng
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Publication number: 20220238819Abstract: Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a flexible substrate, a driving structure layer disposed on the flexible substrate, a light-emitting element disposed on the driving structure layer, and an encapsulation layer disposed on the light-emitting element. The flexible substrate includes a first flexible substrate layer, a first connection layer disposed on the first flexible substrate layer, and a second flexible substrate layer disposed on the first connection layer, wherein, the first connection layer includes at least one first via, and the first flexible substrate layer includes at least one first groove provided corresponding to the first via; the first via and the first groove are mutually communicated, and an orthographic projection of the first groove on the first flexible substrate layer includes an orthographic projection of the first via on the first flexible substrate layer.Type: ApplicationFiled: September 23, 2021Publication date: July 28, 2022Inventors: Sen WANG, Li JIA, Bin LIU, Mingqi GANG, Shaojie QIN, Ming YANG, Jiandong BAO, Wei WANG, Xin ZHOU
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Publication number: 20220115452Abstract: The present disclosure relates to a display substrate, a display panel, a display device, and a manufacturing method of the display panel. The display substrate display substrate includes a display area, the display area including: a plurality of sides, wherein adjacent sides of the plurality of sides intersect to form a plurality of corners; a first display area having a first pixel density; and a second display area having a second pixel density lower than the first pixel density, wherein the second display area is located in at least one of the corners.Type: ApplicationFiled: May 9, 2020Publication date: April 14, 2022Inventors: Rui Hou, Yulin Wang, Jiandong Bao, Zhen Li, Pengcheng Zhao, Le Chang
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Publication number: 20220093690Abstract: Embodiments of the application provide a display panel, a display screen and a display device. The display panel includes a backplane, a color filter layer, and a black matrix between the backplane and the color filter layer. The backplane includes a base substrate, the color filter layer includes a plurality of sub-pixel color filters, and the plurality of sub-pixel color filters are arranged along a plane of the color filter layer and spliced together to form the color filter layer.Type: ApplicationFiled: April 7, 2021Publication date: March 24, 2022Inventors: Wenqiang WANG, Ao HUANG, Peng ZHOU, Liji CHENG, Sheng GUO, Jiandong BAO, Weilin LAI