Patents by Inventor Keguo Liu
Keguo Liu 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: 11586081Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a base substrate; and a plurality of pixel units disposed on the base substrate; each of the pixel units includes an active display region, the active display region of at least one of the pixel units is provided with a light-shielding layer, the light-shielding layer is located at an edge of the active display region, and a surface of a side of the light-shielding layer away from the base substrate is a reflecting surface. The light-shielding layer is disposed within an annular region, the annular region has a width in a range of 20 ?m-50 ?m, and an outer boundary of the annular region is a boundary of the active display region.Type: GrantFiled: February 22, 2019Date of Patent: February 21, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yanli Zhao, Xiaoji Li, Zhihui Wang, Changgong Zhu, Jianghong Wen, Xiaolong Liu, Keguo Liu
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Patent number: 11237320Abstract: A backlight source, a liquid crystal module, and a display device are provided. The backlight source includes a back plate and a plurality of support structures. The back plate includes a side wall and a bottom plate, and the side wall and the bottom plate define a first groove. A plurality of the support structures are arranged along a circumferential direction of the side wall and spaced apart from each other. The support structure is detachably connected to the side wall, and extends toward a center of the accommodation groove to form a support plane.Type: GrantFiled: March 26, 2020Date of Patent: February 1, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaolong Liu, Zhihui Wang, Gang Chen, Changgong Zhu, Jianghong Wen, Keguo Liu, Xuefeng Wang, Yanli Zhao, Guang Wang, Yu Wang, Di Wang, He Sun
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Patent number: 11194190Abstract: The present application provides a display panel and a display device. The display panel includes an array substrate and a color filter substrate arranged oppositely, and a light source on a side of the color filter substrate facing the array substrate. The color filter substrate includes a first region and a second region. An orthogonal projection of the array substrate on the color filter substrate is in the first region, and the light source is in the second region.Type: GrantFiled: September 4, 2020Date of Patent: December 7, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaolong Liu, Zhihui Wang, Changgong Zhu, Jianghong Wen, Keguo Liu, Xuefeng Wang, Yanli Zhao, Guang Wang, Di Wang, Yu Wang
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Publication number: 20210333661Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a base substrate; and a plurality of pixel units disposed on the base substrate; each of the pixel units includes an active display region, the active display region of at least one of the pixel units is provided with a light-shielding layer, the light-shielding layer is located at an edge of the active display region, and a surface of a side of the light-shielding layer away from the base substrate is a reflecting surface. The light-shielding layer is disposed within an annular region, the annular region has a width in a range of 20 ?m-50 ?m, and an outer boundary of the annular region is a boundary of the active display region.Type: ApplicationFiled: February 22, 2019Publication date: October 28, 2021Inventors: Yanli ZHAO, Xiaoji LI, Zhihui WANG, Changgong ZHU, Jianghong WEN, Xiaolong LIU, Keguo LIU
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Patent number: 11092853Abstract: The present disclosure relates to a display device, a liquid crystal display panel and a driving method for a liquid crystal display panel. The liquid crystal display panel includes: an array substrate including a plurality of sub-pixels having active display areas, each of the sub-pixels including a plurality of first electrodes, and a first slit being disposed between adjacent first electrodes; an opposite substrate facing the array substrate, wherein a first surface of the opposite substrate facing the array substrate includes at least a target area facing an edge area of the active display area; and a control electrode disposed in the target area and opposite to the first electrode, for generating an electric field in a target direction with the first electrode, so as to control liquid crystals between an edge area of the array substrate and the target area of the opposite substrate to be deflected.Type: GrantFiled: March 26, 2018Date of Patent: August 17, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanli Zhao, Xiaoji Li, Keguo Liu, Xiuzhu Tang, Xiaolong Liu, He Sun
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Publication number: 20210149106Abstract: A backlight source, a liquid crystal module, and a display device are provided. The backlight source includes a back plate and a plurality of support structures. The back plate includes a side wall and a bottom plate, and the side wall and the bottom plate define a first groove. A plurality of the support structures are arranged along a circumferential direction of the side wall and spaced apart from each other. The support structure is detachably connected to the side wall, and extends toward a center of the accommodation groove to form a support plane.Type: ApplicationFiled: March 26, 2020Publication date: May 20, 2021Inventors: Xiaolong Liu, Zhihui Wang, Gang Chen, Changgong Zhu, Jianghong Wen, Keguo Liu, Xuefeng Wang, Yanli Zhao, Guang Wang, Yu Wang, Di Wang, He Sun
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Publication number: 20210124214Abstract: The present application provides a display panel and a display device. The display panel includes an array substrate and a color filter substrate arranged oppositely, and a light source on a side of the color filter substrate facing the array substrate. The color filter substrate includes a first region and a second region. An orthogonal projection of the array substrate on the color filter substrate is in the first region, and the light source is in the second region.Type: ApplicationFiled: September 4, 2020Publication date: April 29, 2021Inventors: Xiaolong LIU, Zhihui WANG, Changgong ZHU, Jianghong WEN, Keguo LIU, Xuefeng WANG, Yanli ZHAO, Guang WANG, Di WANG, Yu WANG
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Patent number: 10866462Abstract: A backlight module is provided, including: a back frame in a box shape opening at an opening side; a sealant frame within the back frame; and a light guide plate and a membrane on the light guide plate, both surrounded by the sealant frame; the sealant frame has a step structure including a base portion whose upper surface is a step surface facing towards the opening side and a surrounding wall; the sealant frame has at least one positioning notch recessed into the base portion and the surrounding wall; the membrane has at least one positioning lug at an edge thereof, below the step surface and extending into the positioning notch; and the backlight module includes at least one positioning insert within a respective positioning notch and having a plate piece whose upper surface being an auxiliary supporting surface facing towards the opening side and flush with the step surface.Type: GrantFiled: May 11, 2018Date of Patent: December 15, 2020Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaolong Liu, Taeyup Min, Zhi Zhang, He Sun, Keguo Liu, Gang Chen, Taoliang Tang, Changgong Zhu, Jianghong Wen
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Publication number: 20200026126Abstract: A backlight module is provided, including: a back frame in a box shape opening at an opening side; a sealant frame within the back frame; and a light guide plate and a membrane on the light guide plate, both surrounded by the sealant frame; the sealant frame has a step structure including a base portion whose upper surface is a step surface facing towards the opening side and a surrounding wall; the sealant frame has at least one positioning notch recessed into the base portion and the surrounding wall; the membrane has at least one positioning lug at an edge thereof, below the step surface and extending into the positioning notch; and the backlight module includes at least one positioning insert within a respective positioning notch and having a plate piece whose upper surface being an auxiliary supporting surface, facing towards the opening side and flush with the step surface.Type: ApplicationFiled: May 11, 2018Publication date: January 23, 2020Inventors: Xiaolong Liu, Taeyup Min, Zhi Zhang, He Sun, Keguo Liu, Gang Chen, Taoliang Tang, Changgong Zhu, Jianghong Wen
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Publication number: 20190041703Abstract: The present disclosure relates to a display device, a liquid crystal display panel and a driving method for a liquid crystal display panel. The liquid crystal display panel includes: an array substrate including a plurality of sub-pixels having active display areas, each of the sub-pixels including a plurality of first electrodes, and a first slit being disposed between adjacent first electrodes; an opposite substrate facing the array substrate, wherein a first surface of the opposite substrate facing the array substrate includes at least a target area facing an edge area of the active display area; and a control electrode disposed in the target area and opposite to the first electrode, for generating an electric field in a target direction with the first electrode, so as to control liquid crystals between an edge area of the array substrate and the target area of the opposite substrate to be deflected.Type: ApplicationFiled: March 26, 2018Publication date: February 7, 2019Inventors: Yanli ZHAO, Xiaoji LI, Keguo LIU, Xiuzhu TANG, Xiaolong LIU, He SUN
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Publication number: 20190006490Abstract: A thin film transistor, a method for fabricating the same, a display device, and an exposure device are disclosed. The method comprises: patterning a source and drain layer by using a single slit mask and an exposure machine, to form a source, a drain, and an active region of the thin film transistor; wherein a pattern resolution of the single slit mask is not larger than a resolution of the exposure machine to form a groove shaped exposure pattern, wherein the groove shaped exposure pattern corresponds to the active region.Type: ApplicationFiled: April 13, 2018Publication date: January 3, 2019Inventors: Zhuo XU, Ming DENG, Zhihui WANG, Xiuzhu TANG, Shuai CHEN, Zhenguo TIAN, Keguo LIU, Yanli ZHAO
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Patent number: 10168572Abstract: The present disclosure provides a display device and a backlight source. The display device includes a liquid crystal panel and a backlight source. The liquid crystal panel includes a color filter substrate, an array substrate arranged opposite to the color filter substrate, and a blue phase liquid crystal layer arranged between the color filter substrate and the array substrate. A first driving electrode is arranged at a side of the color filter substrate facing the array substrate, and a second driving electrode is arranged at a side of the array substrate facing the color filter substrate. The backlight source includes: a light guide plate; and a composite layer arranged at a light-exiting surface of the light guide plate and including a plurality of dielectric layers whose refractive indices decrease gradually in a direction away from the light-exiting surface of the light guide plate.Type: GrantFiled: April 3, 2018Date of Patent: January 1, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanli Zhao, Xiaoji Li, Xiuzhu Tang, Keguo Liu, Changgong Zhu, Jianghong Wen, Shuangyu Li