Patents by Inventor Likun Cheng
Likun Cheng 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: 11968868Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of pixel island regions spaced apart from each other. A plurality of connection bridge regions connecting adjacent ones of the pixel island regions to each other. At least one of the connection bridge regions includes a first metal layer, a second metal layer, and a third metal layer disposed in a stacked arrangement, and each of the first metal layer, the second metal layer, and the third metal layer is patterned into at least one metal trace.Type: GrantFiled: December 31, 2020Date of Patent: April 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, Shijuan Yi
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Publication number: 20240036670Abstract: A display panel and a mobile terminal are provided. The display panel includes a driving circuit layer, a fingerprint recognition sensor, and a light emitting device layer. The fingerprint recognition sensor is disposed on a side of the driving circuit layer, and the fingerprint recognition sensor is an ultrasonic sensor. The light emitting device layer is arranged on a side of the fingerprint recognition sensor away from the driving circuit layer.Type: ApplicationFiled: December 17, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Mian Zeng, Pengfei Jiang, Likun Cheng
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Publication number: 20240040690Abstract: The present application discloses a display panel and a display device, including a plurality of pixel islands, a plurality of connection bridges connecting the plurality of pixel islands, and first power lines and second power line arranged on the plurality of connection bridges and conducting the plurality of pixel islands, wherein the plurality of connection bridges include first connection bridges arranged along a first direction, and only the first power line or the second power line is provided on each of the first connection bridges.Type: ApplicationFiled: December 30, 2020Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Likun Cheng
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Publication number: 20240038948Abstract: A display panel and a splicing screen are provided. The display panel includes a first substrate and a second substrate. The pixel unit on the first substrate includes a light-emitting area and a vacant area. The light-emitting area is provided with a light-emitting diode chip and a pixel driving circuit. At least one conductive hole is provided in the vacant area. The second substrate is arranged on a side of the first substrate facing away from the pixel unit, and the pixel driving circuit is electrically connected to a bonding conductive layer included in the second substrate through the conductive hole, which can eliminate a lower frame of the first substrate and prevent crack extension.Type: ApplicationFiled: December 21, 2021Publication date: February 1, 2024Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, He Jiang
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Publication number: 20230403889Abstract: The present application provides a display panel and a manufacturing method thereof. The display panel includes a plurality of display units. Each of the display units includes an island region and a chain region surrounding the island region. In at least one of the display units, the display panel includes an array substrate, a plurality of undercut structures, and an encapsulation layer. The undercut structures include a first undercut structure defined in the island region and a second undercut structure defined in the chain region.Type: ApplicationFiled: June 4, 2021Publication date: December 14, 2023Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, Shijuan Yi
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Publication number: 20230280806Abstract: The present disclosure provides a display panel and a display terminal. The display panel includes a plurality of island-shaped units and a plurality of bending structures; the plurality of the island-shaped units are arranged separately; adjacent two of the island-shaped units are stretched and connected by one of the bending structures, the bending structures includes a plurality of metal lines, adjacent two of the island-shaped units are electrically connected through the plurality of the metal lines, and the plurality of the metal lines includes only a scanning line.Type: ApplicationFiled: March 30, 2022Publication date: September 7, 2023Inventors: Shijuan YI, Liang SUN, Likun CHENG
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Patent number: 11715400Abstract: A display panel and a display device are provided. The display panel includes a flexible substrate and a plurality of display sections and retractable sections disposed on the flexible substrate in an array, wherein the retractable sections are configured to connect the display sections to each other. Each of the retractable sections includes at least four arc sections, one C-shaped section, and four straight sections. Under external forces in all directions, the arc sections and the C-shaped section extend and are deformed along different directions in a plane, and the straight sections can buffer stresses caused by extension and deformation.Type: GrantFiled: November 23, 2020Date of Patent: August 1, 2023Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenqiang Wang, Liang Sun, Bingkun Yin, Shijuan Yi, Li Hu, Likun Cheng
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Publication number: 20230154936Abstract: The present invention discloses a display device and a manufacturing method of the display device. The display device includes a plurality of pixel island regions separated from each other and a plurality of connecting hinge regions connecting adjacent pixel island regions to each other. The display device further includes a first metal layer. The first metal layer is patterned to form an anode in each of the pixel island regions and is patterned to form at least one metal trace in each of the connecting hinge regions.Type: ApplicationFiled: January 29, 2021Publication date: May 18, 2023Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, Shijuan Yi
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Publication number: 20220406879Abstract: A display panel and a display device are disclosed. The display panel includes a plurality of pixel island regions spaced apart from each other. A plurality of connection bridge regions connecting adjacent ones of the pixel island regions to each other. At least one of the connection bridge regions includes a first metal layer, a second metal layer, and a third metal layer disposed in a stacked arrangement, and each of the first metal layer, the second metal layer, and the third metal layer is patterned into at least one metal trace.Type: ApplicationFiled: December 31, 2020Publication date: December 22, 2022Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Likun Cheng, Liang Sun, Shijuan Yi
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Publication number: 20220358863Abstract: A display panel and a display device are provided. The display panel includes a flexible substrate and a plurality of display sections and retractable sections disposed on the flexible substrate in an array, wherein the retractable sections are configured to connect the display sections to each other. Each of the retractable sections includes at least four arc sections, one C-shaped section, and four straight sections. Under external forces in all directions, the arc sections and the C-shaped section extend and are deformed along different directions in a plane, and the straight sections can buffer stresses caused by extension and deformation.Type: ApplicationFiled: November 23, 2020Publication date: November 10, 2022Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Wenqiang Wang, Liang Sun, Bingkun Yin, Shijuan Yi, Li Hu, Likun Cheng
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Publication number: 20220359639Abstract: A stretchable display panel includes a stretchable substrate, a plurality of display units, and a wiring portion. The stretchable substrate includes island-shaped areas and hinge areas. Each of the hinge area includes a first hinge area and a second hinge area. The wiring portion at least include a first power line and second power lines. A number of the second power lines disposed in the second hinge area is less than a number of the second power lines disposed in the first hinge area.Type: ApplicationFiled: November 26, 2020Publication date: November 10, 2022Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Shijuan Yi, Liang Sun, Likun Cheng