Patents Assigned to Hubei Yangtze Industrial Innovation Center of Advanced Display Co., Ltd.
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Display panel and display device including multi-thickness sub-regions of a light transmitting layer
Patent number: 11832476Abstract: A display panel includes at least one light transmitting layer, which includes at least one first sub-region and at least one second sub-region. A thickness of the first sub-region is different from a thickness of the second sub-region; the first sub-region includes a first surface proximate to a display surface of the display panel and a second surface facing away from the display surface of the display panel, and the second sub-region includes a third surface proximate to the display surface of the display panel and a fourth surface facing away from the display surface of the display panel; and for visible light, a phase difference between light reflected by the first surface and light reflected by the second surface is ?1, and a phase difference between light reflected by the third surface and light reflected by the fourth surface is ?2, where 0.5??|?1??2|?1.5?.Type: GrantFiled: May 28, 2021Date of Patent: November 28, 2023Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Yang Zeng -
Publication number: 20230380212Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.Type: ApplicationFiled: July 26, 2023Publication date: November 23, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu CAI, Junqiang WANG
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Publication number: 20230371304Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu CAI, Junqiang WANG
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Publication number: 20230371305Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu CAI, Junqiang WANG
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Publication number: 20230371303Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu CAI, Junqiang WANG
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Patent number: 11811004Abstract: A display panel, a display device, and a control method are provided. The display panel includes: a substrate; a group of light-emitting devices located at a side of the substrate and comprising a first light-emitting device and a second light-emitting device that is disposed at least partially surrounding the first light-emitting device; a driving circuit comprising a first driving circuit for driving the first light-emitting device and a second driving circuit for driving the second light-emitting device; and a shielding part located at a side of the group of light-emitting devices away from the substrate, wherein an orthographic projection of the shielding part on the substrate is at least partially overlapped with an orthographic projection of the second light-emitting device on the substrate. The embodiments of the present application can not only achieve privacy protection, but also improve a display effect of the display device under a front viewing angle.Type: GrantFiled: September 21, 2022Date of Patent: November 7, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.Inventor: Liang Xing
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Publication number: 20230345773Abstract: A display panel and a preparation method thereof and a display apparatus are provided. The display panel includes a display region. The display region includes a first display region. The display panel further includes a first film located in the first display region, the first film includes at least one mark group, and each mark group includes multiple marks. In the technical solution provided, the mark group included in the first film is just etching traces of laser etching in the process of display panel preparation, and multiple marks are included in the mark group.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Quanpeng YU
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Patent number: 11798469Abstract: A display panel and a display device are provided. The display panel includes a first display area including a display light-transmission area, a display transition area, a plurality of first pixel driving circuits located in the display transition area, a plurality of first light-emitting elements, a plurality of signal terminal columns arranged in a second direction, and a plurality of connection wirings extending integrally in the first direction. A signal terminal column includes a plurality of signal output terminals and a plurality of signal input terminals arranged in the first direction, a signal output terminal is electrically connected with an output terminal of a first pixel driving circuit, and a signal input terminal of is electrically connected to at least one light-emitting element, and the signal output terminal and the signal input terminal are electrically connected through a connection wiring.Type: GrantFiled: December 14, 2022Date of Patent: October 24, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTDInventor: Shaowei Liu
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Patent number: 11792945Abstract: A rollable display device includes a rollable screen, including a non-display part and a display part; and a telescopic mechanism. The rollable screen is laid surrounding the telescopic mechanism. The display part includes a fixed display portion and a rollable display portion. The fixed display portion is fixed on a first plane, and the non-display part is connected to the side of the rollable display portion away from the fixed display portion. The side of the non-display part away from the display part is connected to the telescopic mechanism. In a process of extension or retraction, the telescopic mechanism is configured to drive the rollable display portion to slide and bend. In the retracted state, the orthogonal projection of the rollable display portion at least partially overlaps with the fixed display portion. In the extended state, the orthogonal projection of the rollable display portion unoverlaps with the fixed display portion.Type: GrantFiled: November 30, 2020Date of Patent: October 17, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.Inventor: Qijun Yao
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Publication number: 20230306901Abstract: Provided are a display panel and a display device. The display panel includes a first light-emitting element, a second light-emitting element, a first driver circuit and a second driver circuit. The first driver circuit is electrically connected to the first light-emitting element and configured to provide a first drive current to the first light-emitting element to control the first light-emitting element to emit light, and the second driver circuit is electrically connected to the second light-emitting element and configured to provide a second drive current to the second light-emitting element to control the second light-emitting element to emit light.Type: ApplicationFiled: May 19, 2023Publication date: September 28, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Yingteng ZHAI
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Publication number: 20230299094Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, a first transistor, and a planarization layer. The first transistor includes a first active layer, a first gate, a first source, and a first drain. The planarization layer is located above the first source. In the direction perpendicular to the base substrate, at least one insulating layer and a first organic area are provided between the film layer where the first active layer is located and the planarization layer. An insulating layer in the first organic area is made of organic material and the first organic area is located in a display area.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu CAI, Shanshan ZHENG, Ping AN
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Patent number: 11758763Abstract: A display panel is provided, including an array substrate; a light-emitting layer located at a side of the array substrate and including a plurality of light-emitting units; a touch dielectric layer located at a side of the light-emitting layer facing away from the array substrate and including a plurality of first apertures; a black matrix located within each of the plurality of first apertures; and a color filter layer located at a side of the touch dielectric layer facing away from the array substrate and including a plurality of color filter units. An orthographic projection of each of the plurality of first apertures on the light-emitting layer is located between two adjacent light-emitting units of the plurality of light-emitting units. The plurality of color filter units is in one-to-one correspondence to the plurality of light-emitting units.Type: GrantFiled: April 7, 2021Date of Patent: September 12, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.Inventors: Leilei Cao, Ai Xiao, Jiaxian Liu, Ming Yang
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Patent number: 11758787Abstract: A display panel and a display device are provided. The display panel includes a display area, a substrate, an array layer located on a side of the substrate, and a light-emitting layer located on a side of the array layer away from the substrate. The light-emitting layer includes light-emitting elements. The display panel also includes a color filter layer located on a side of the light-emitting layer away from the substrate. The color filter layer includes color filter openings. In the display area, the color filter openings include a first color filter opening and a second color filter opening. The first color filter opening is located between the second color filter opening and an edge of the display panel. An orthographic projection area of the first color filter opening on the substrate is larger than an orthographic projection area of the second color filter opening on the substrate.Type: GrantFiled: December 22, 2020Date of Patent: September 12, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.Inventors: Jun Yan, Ai Xiao, Jiaxian Liu
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Patent number: 11747861Abstract: Provided are a bendable display module and a display device. The bendable display module includes a display panel component including a flexible display panel, and a first surface and a second surface that are disposed opposite to each other. The first surface is the light-emitting surface of the flexible display panel. In the unbent state, a first bendable portion and a second bendable portion are flattened. In the inwardly-bent state, the first bendable portion is bent in the direction of the first surface facing away from the second surface. In the outwardly-bent state, the second bendable portion is bent in the direction of the second surface facing away from the first surface. The area of the display region of the flexible display panel in the outwardly-bent state is larger than the area of the display region of the flexible display panel in the unbent state.Type: GrantFiled: April 12, 2022Date of Patent: September 5, 2023Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Qing Zhang
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Patent number: 11744105Abstract: Provided is a display panel, including: a base substrate, a light emitting device layer provided on the base substrate and including light emitting devices, and a light adjustment structure layer provided at a side of the light emitting device layer facing away from the base substrate and including light adjustment units and a dielectric layer covering the light adjustment units. Each light adjustment unit has a smaller refractive index than the dielectric layer and includes a light adjustment sub-section and a through hole penetrating the light adjustment unit in a direction perpendicular to the base substrate. The through hole overlaps one light emitting device, and the light adjustment sub-section surrounds the through hole. For one light adjustment unit, a thickness of the light adjustment sub-section gradually increases in a direction from the through hole to the light adjustment sub-section.Type: GrantFiled: June 25, 2020Date of Patent: August 29, 2023Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Yu Cai, Junqiang Wang
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Publication number: 20230222978Abstract: A pixel driving circuit, a display panel and a driving method therefor, and a display device, related to the display field and aiming to enable the pixel driving circuit to work in different operating modes to adapt to various application scenarios. The pixel driving circuit includes a driving transistor, a gate writing module and a control module. The control module and the gate writing module are connected in series on a function signal transmission path between a function signal terminal and a gate electrode of the driving transistor, and the gate writing module is configured to provide a function signal at the function signal terminal to the gate electrode of the driving transistor. An operating process of the pixel driving circuit includes a stage in which the gate writing module is turned on and the control module is turned off.Type: ApplicationFiled: February 24, 2023Publication date: July 13, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Qijun YAO
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Patent number: 11699710Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, a first transistor, and a planarization layer. The first transistor includes a first active layer, a first gate, a first source, and a first drain. The planarization layer is located above the first source. In the direction perpendicular to the base substrate, at least one insulating layer and a first organic area are provided between the film layer where the first active layer is located and the planarization layer. An insulating layer in the first organic area is made of organic material and the first organic area is located in a display area.Type: GrantFiled: April 28, 2021Date of Patent: July 11, 2023Assignee: HUBEI YANGTZE INDUSTRIAL INNOVATION CENTER OF ADVANCED DISPLAY CO., LTD.Inventors: Yu Cai, Shanshan Zheng, Ping An
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Patent number: 11699401Abstract: Provided are a light emission control circuit, a display panel and a display device. The light emission control circuit includes a first control module configured to control the potential of a first node and the potential of a second node according to an input signal of a signal input terminal, a first clock signal of a first clock terminal and a second clock signal of a second clock terminal; a second control module configured to control the potential of a third node under control of the first control module, the first clock signal, the second clock signal, a first level signal of a first level terminal and a second level signal of a second level terminal; an output module configured to control, according to the first level signal and the potential of the first node, a signal output terminal to output the enable level of a light emission control signal.Type: GrantFiled: August 30, 2022Date of Patent: July 11, 2023Assignee: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventor: Yingteng Zhai
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Publication number: 20230217715Abstract: The present application provides a display panel and a display apparatus. The display panel includes: a substrate and a pixel definition layer located on one side of the substrate where the pixel definition layer includes a plurality of pixel openings arranged in an array, and a projection of the pixel opening on the substrate includes a first side edge. The display panel further includes a first dimming layer located on a side of the pixel definition layer away from the substrate, the first dimming layer including a plurality of dimming openings each corresponding to one of the pixel openings. The projection of the dimmer opening on the substrate includes a body portion and at least one first protrusion, and in the plane of the projection, the first protrusion is at least partially located on a side of the first side edge away from a center of the dimmer opening.Type: ApplicationFiled: April 12, 2022Publication date: July 6, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Liang HU, Yu Cai
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Publication number: 20230217716Abstract: The present application provides a display panel and a display device, the display panel includes a light extraction layer and a cover layer, wherein the light extraction layer is located on a side of the cover layer close to a pixel definition layer, a light modulation structure includes a plurality of light extraction units, each of the light extraction units includes a first sub-unit and a second sub-unit, wherein the light extraction layer includes a light extraction opening and the first sub-unit, the second sub-unit is located in the cover layer, and a refractive index of the first sub-unit is smaller than a refractive index of the second sub-unit.Type: ApplicationFiled: April 13, 2022Publication date: July 6, 2023Applicant: Hubei Yangtze Industrial Innovation Center Of Advanced Display Co., Ltd.Inventors: Peng SHEN, Junqiang WANG, Jiaxian LIU