Patents by Inventor Dandan ZANG
Dandan ZANG 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: 20240099090Abstract: The present application provides a display panel and a display apparatus, and the display panel includes a first light-emitting unit, pixel openings and light extraction openings, and orthographic projections of the pixel openings on the substrate are pixel projections, and orthographic projections of the light extraction openings arranged correspondingly to the pixel openings on the substrate are opening projections; in the first light-emitting unit, in the first light-emitting unit, at least a minimum distance between a first point and a second point greater than 4 microns exists, where the first point is positioned on an edge of a pixel projection of the pixel projections corresponding to the first light-emitting unit, and the second point is positioned on an edge of an opening projection of the opening projections corresponding to the first light-emitting unit. Desired display brightness of display panel at large viewing angle is ensured.Type: ApplicationFiled: December 7, 2022Publication date: March 21, 2024Applicant: Xiamen Tianma Display Technology Co., Ltd.Inventor: Dandan ZANG
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Patent number: 11895900Abstract: A method of encapsulating a display substrate and a counter substrate, an encapsulated display panel, a display apparatus, and a counter substrate are provided. The encapsulated display panel includes a display substrate; a counter substrate facing the display substrate; and a sealant filled in a space between the display substrate and a counter substrate. The display substrate in a peripheral area has a plurality of protruding parts and a plurality of recessing parts, resulting in an uneven surface topography. The counter substrate in at least a portion of the peripheral area has a counter surface topography substantially complementary to the surface topography of the display substrate. The counter substrate in the peripheral area has a plurality of counter protruding parts.Type: GrantFiled: October 16, 2019Date of Patent: February 6, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Xinwei Gao, Qihe Chen, Peng Li, Dandan Zang
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Publication number: 20230157134Abstract: A method of encapsulating a display substrate and a counter substrate, an encapsulated display panel, a display apparatus, and a counter substrate are provided. The encapsulated display panel includes a display substrate; a counter substrate facing the display substrate; and a sealant filled in a space between the display substrate and a counter substrate. The display substrate in a peripheral area has a plurality of protruding parts and a plurality of recessing parts, resulting in an uneven surface topography. The counter substrate in at least a portion of the peripheral area has a counter surface topography substantially complementary to the surface topography of the display substrate. The counter substrate in the peripheral area has a plurality of counter protruding parts.Type: ApplicationFiled: October 16, 2019Publication date: May 18, 2023Applicant: BOE Technology Group Co., Ltd.Inventors: Xinwei Gao, Qihe Chen, Peng Li, Dandan Zang
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Publication number: 20220407031Abstract: A packaging method of a display panel, the packaging method including: defining, on a cover plate, at least one adhesive coating region that each is to cover a respective target specially-shaped pattern and have a regular shape; forming a packaging adhesive in the at least one adhesive coating region; bonding the cover plate formed with the packaging adhesive with a substrate formed with at least one target specially-shaped pattern, so that a display region of each target specially-shaped pattern is located within a respective adhesive coating region; and cutting the substrate and the cover plate that have been bonded according to the target specially-shaped pattern to obtain the display panel.Type: ApplicationFiled: April 13, 2021Publication date: December 22, 2022Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Peng LI, Xinwei GAO, Dandan ZANG, Qihe CHEN
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Patent number: 11522029Abstract: A display backplate and a manufacturing method thereof, and a display device are provided. The display backplate includes a base substrate and a pixel defining layer provided on the base substrate, the pixel defming layer defines a plurality of sub-pixel openings, an accommodation groove is provided at a surface of the pixel defining layer facing away from the base substrate, and the accommodation groove is located between two adjacent sub-pixel openings.Type: GrantFiled: March 2, 2020Date of Patent: December 6, 2022Assignee: Beijing BOE Technology Development Co., Ltd.Inventors: Xinwei Gao, Dandan Zang, Peng Li, Qihe Chen, Chin Lung Liao
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Patent number: 11394003Abstract: The present disclosure provides a cover plate for encapsulating a display substrate, a display panel including the cover plate, a display device including the display panel and a method for encapsulating the display panel. The cover plate includes: a base substrate including a display area and an encapsulation area arranged at a periphery of the display area; and an encapsulation layer, a first barrier layer, a water absorption layer and a second barrier layer successively arranged in the encapsulation area of the base substrate in a direction from the display area to the encapsulation area.Type: GrantFiled: July 24, 2020Date of Patent: July 19, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinwei Gao, Dandan Zang, Peng Li, Qihe Chen
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Patent number: 11309514Abstract: An organic light-emitting diode (OLED) substrate includes: a base substrate including a display region having a plurality of luminous regions and a non-luminous region separating one or more adjacent luminous regions, the non-luminous region including a plurality of first connection regions; a first electrode layer over the base substrate including a plurality of first electrodes having their projections on the base substrate cover the plurality of luminous regions; a pixel defining layer over the first electrode layer and located at the non-luminous region and defining the plurality of luminous regions, the pixel defining layer is hollowed out at the first connection regions; an electroluminescent functional layer provided over the pixel defining layer; a second electrode layer over the electroluminescent functional layer; and a plurality of conductive structures located at the plurality of first connection regions respectively, and electrically coupled to the second electrode layer.Type: GrantFiled: May 13, 2019Date of Patent: April 19, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiewei Li, Dandan Zang, Chuan Yin, Yong Cui, Yachao Tong, Xianjiang Xiong
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Patent number: 11245087Abstract: Disclosed herein is a display substrate comprising: first electrode; an auxiliary electrode; a first layer of an electrically insulating material over the auxiliary electrode, wherein the first layer does not cover a first portion of a sidewall of the auxiliary electrode; a second layer of a material that exhibits electroluminescence (EL), wherein the second layer is in electric contact with the first electrode and does not cover the first portion of the sidewall; a second electrode in electric contact with the second layer and in electric contact with the auxiliary electrode at the first portion of the sidewall.Type: GrantFiled: July 24, 2019Date of Patent: February 8, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Xinwei Gao, Peng Li, Dandan Zang, Qihe Chen, Xiaoning Liu
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Patent number: 11239442Abstract: A display panel includes a base substrate including a first surface; another base substrate including a second surface disposed face the first surface; a first insulating layer disposed above the first surface of the base substrate, a plurality of grooves being disposed in a surface of the first insulating layer away from the base substrate; a first conductive layer disposed at a side of the first insulating layer away from the base substrate, the first conductive layer at least covering bottom faces and side walls of the plurality of grooves; a plurality of support portions disposed above the second surface of the another base substrate; and a second conductive layer disposed at a side of the plurality of support portions away from the another base substrate, the second conductive layer at least covering surfaces of the plurality of support portions facing away from the another base substrate and side faces of the plurality of support portions.Type: GrantFiled: June 6, 2019Date of Patent: February 1, 2022Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dandan Zang, Xinwei Gao, Peng Li, Wentong Huang
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Publication number: 20210336189Abstract: An organic light-emitting diode (OLED) substrate includes: a base substrate including a display region having a plurality of luminous regions and a non-luminous region separating one or more adjacent luminous regions, the non-luminous region including a plurality of first connection regions; a first electrode layer over the base substrate including a plurality of first electrodes having their projections on the base substrate cover the plurality of luminous regions; a pixel defining layer over the first electrode layer and located at the non-luminous region and defining the plurality of luminous regions, the pixel defining layer is hollowed out at the first connection regions; an electroluminescent functional layer provided over the pixel defining layer; a second electrode layer over the electroluminescent functional layer; and a plurality of conductive structures located at the plurality of first connection regions respectively, and electrically coupled to the second electrode layer.Type: ApplicationFiled: May 13, 2019Publication date: October 28, 2021Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiewei LI, Dandan ZANG, Chuan YIN, Yong CUI, Yachao TONG, Xianjiang XIONG
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Patent number: 11088227Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a first substrate and a second substrate opposite to each other; the first substrate includes a first base, a pixel definition layer on the first base, and at least one OLED; each OLED includes a first electrode, a light emitting layer, and a second electrode sequentially provided on the first base; and the pixel definition layer defines pixel regions spaced apart, the at least one OLED is provided in the pixel regions, and the pixel definition layer between at least two adjacent pixel regions includes one opening; the second substrate includes a second base, and a connection electrode on a side of the second base proximal to the pixel definition layer, which is arranged inside the opening, and is electrically coupled to the second electrode of the OLEDs adjacent to the opening.Type: GrantFiled: September 3, 2019Date of Patent: August 10, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinwei Gao, Peng Li, Dandan Zang
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Publication number: 20210210570Abstract: A display backplate and a manufacturing method thereof, and a display device are provided. The display backplate includes a base substrate and a pixel defining layer provided on the base substrate, the pixel defining layer defines a plurality of sub-pixel openings, an accommodation groove is provided at a surface of the pixel defining layer facing away from the base substrate, and the accommodation groove is located between two adjacent sub-pixel openings.Type: ApplicationFiled: March 2, 2020Publication date: July 8, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinwei GAO, Dandan ZANG, Peng LI, Qihe CHEN, Chin Lung LIAO
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Publication number: 20210135148Abstract: Disclosed herein is a display substrate comprising: first electrode; an auxiliary electrode; a first layer of an electrically insulating material over the auxiliary electrode, wherein the first layer does not cover a first portion of a sidewall of the auxiliary electrode; a second layer of a material that exhibits electroluminescence (EL), wherein the second layer is in electric contact with the first electrode and does not cover the first portion of the sidewall; a second electrode in electric contact with the second layer and in electric contact with the auxiliary electrode at the first portion of the sidewall.Type: ApplicationFiled: July 24, 2019Publication date: May 6, 2021Inventors: Xinwei GAO, Peng LI, Dandan ZANG, Qihe CHEN, Xiaoning LIU
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Publication number: 20210043867Abstract: The present disclosure provides a cover plate for encapsulating a display substrate, a display panel including the cover plate, a display device including the display panel and a method for encapsulating the display panel. The cover plate includes: a base substrate including a display area and an encapsulation area arranged at a periphery of the display area; and an encapsulation layer, a first barrier layer, a water absorption layer and a second barrier layer successively arranged in the encapsulation area of the base substrate in a direction from the display area to the encapsulation area.Type: ApplicationFiled: July 24, 2020Publication date: February 11, 2021Inventors: Xinwei GAO, Dandan ZANG, Peng LI, Qihe CHEN
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Patent number: 10886360Abstract: A display panel and a manufacturing method thereof. The display panel includes a base substrate, and a pixel area and a non-pixel area on the substrate. The pixel area includes a light emitting element, the light emitting element including a first electrode, a light emitting layer, and a second electrode which are sequentially on the base substrate; the non-pixel area includes a first structural area, the first structural area including a conductive supporting block on one side of the light emitting layer close to the base substrate; the display panel further includes an electric connection layer which is on one side, which is away from the base substrate, of the light emitting element and the first structural area; the second electrode of the light emitting element is electrically connected with the electric connection layer, and is electrically connected with the conductive supporting block through the electric connection layer.Type: GrantFiled: September 10, 2019Date of Patent: January 5, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jiewei Li, Dandan Zang, Yachao Tong, Chuan Yin, Xianjiang Xiong, Yong Cui
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Publication number: 20200313113Abstract: A display panel includes a base substrate including a first surface; another base substrate including a second surface disposed face the first surface; a first insulating layer disposed above the first surface of the base substrate, a plurality of grooves being disposed in a surface of the first insulating layer away from the base substrate; a first conductive layer disposed at a side of the first insulating layer away from the base substrate, the first conductive layer at least covering bottom faces and side walls of the plurality of grooves; a plurality of support portions disposed above the second surface of the another base substrate; and a second conductive layer disposed at a side of the plurality of support portions away from the another base substrate, the second conductive layer at least covering surfaces of the plurality of support portions facing away from the another base substrate and side faces of the plurality of support portions.Type: ApplicationFiled: June 6, 2019Publication date: October 1, 2020Inventors: Dandan ZANG, Xinwei GAO, Peng LI, Wentong HUANG
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Publication number: 20200203469Abstract: A display panel and a manufacturing method thereof. The display panel includes a base substrate, and a pixel area and a non-pixel area on the substrate. The pixel area includes a light emitting element, the light emitting element including a first electrode, a light emitting layer, and a second electrode which are sequentially on the base substrate; the non-pixel area includes a first structural area, the first structural area including a conductive supporting block on one side of the light emitting layer close to the base substrate; the display panel further includes an electric connection layer which is on one side, which is away from the base substrate, of the light emitting element and the first structural area; the second electrode of the light emitting element is electrically connected with the electric connection layer, and is electrically connected with the conductive supporting block through the electric connection layer.Type: ApplicationFiled: September 10, 2019Publication date: June 25, 2020Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jiewei Li, Dandan Zang, Yachao Tong, Chuan Yin, Xianjiang Xiong, Yong Cui
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Publication number: 20200075696Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a first substrate and a second substrate opposite to each other, the first substrate includes a first base, a pixel definition layer on the first base, and at least one OLED; each OLED includes a first electrode, a light emitting layer, and a second electrode sequentially provided on the first base; and the pixel definition layer defines pixel regions spaced apart, the at least one OLED is provided in the pixel regions, and the pixel definition layer between at least two adjacent pixel regions includes one opening; the second substrate includes a second base, and a connection electrode on a side of the second base proximal to the pixel definition layer, which is arranged inside the opening, and is electrically coupled to the second electrode of the OLEDs adjacent to the opening.Type: ApplicationFiled: September 3, 2019Publication date: March 5, 2020Inventors: Xinwei GAO, Peng LI, Dandan ZANG