Patents by Inventor Xiangzi KONG
Xiangzi KONG 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: 20200226976Abstract: Provided is a display brightness compensation method including: setting an aging grayscale of a monochrome pixel of each of n test display panels; setting m test grayscales of the monochrome pixel; during a time period, illuminating the aging grayscale of the monochrome pixel, periodically illuminating each test grayscale of the monochrome pixel, and periodically obtaining a test display brightness of the monochrome pixel at the test grayscale at the aging grayscale; calculating a brightness-time characteristic of the monochrome pixel at each of the m test grayscales at the aging grayscale; and compensating an actual display brightness of a monochrome pixel of a target display panel at a current display moment based on the brightness-time characteristic. Both m and n are positive integers greater than or equal to 2. The monochrome pixels of any two test display panels have different aging grayscales.Type: ApplicationFiled: March 31, 2020Publication date: July 16, 2020Inventors: Junting OUYANG, Yang YANG, Bojia LV, Kerui XI, Boquan LIN, Xiangzi KONG
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Publication number: 20200211428Abstract: The present disclosure relates to the field of display technologies and provides a display panel and a display apparatus for improving the accuracy of test signals acquired in a VT test. The display panel includes a base substrate. The base substrate is provided with a plurality of test leads in a non-display area, and the plurality of test leads includes a circuit board lead and a test point lead. The base substrate is also provided with a test pad and a test circuit board pin in the non-display area. The circuit board lead is electrically connected to the test circuit board pin, the test point lead is electrically connected to the test pad, and the test pad being reused as a circuit board alignment mark.Type: ApplicationFiled: May 6, 2019Publication date: July 2, 2020Applicant: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Rucuo Wei, Qiang Tian, Xiangzi Kong, Bojia Lv
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Patent number: 10692424Abstract: The disclosure discloses an organic electroluminescent display panel, a driving method thereof and a display device, where the dimming mode is taken to drive and each frame of scanning time is divided into the display area scanning time and the front-back porch time. Where each line of pixel circuits located in the display area of the organic electroluminescent display panel are scanned during the display area scanning time; and the drive circuit is adjusted during the front-back porch time. Where the front-back porch time is less than the display area scanning time, and the front-back porch time is the common multiple of the respective clock signal cycles in the gate drive circuit of the organic electroluminescent display panel.Type: GrantFiled: January 4, 2018Date of Patent: June 23, 2020Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Dongxu Xiang, Yue Li, Zeyuan Chen, Xiangzi Kong, Xingyao Zhou, Chuanli Leng, Yuan Li
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Publication number: 20200126488Abstract: A flexible display panel and a flexible display device are described. The flexible display panel includes a bending region, a non-bending region. A number of deformation detection units are disposed in the bending region. The deformation detection units each includes a first electrode, a piezoelectric (PZT) material function layer and a second electrode which are sequentially stacked in a direction perpendicular to a light-emitting surface of the flexible display panel. The density of the PZT units and PZT function layer thickness may vary depending on their distance from the bending axis.Type: ApplicationFiled: December 18, 2019Publication date: April 23, 2020Inventors: Junting OUYANG, Baiquan Lin, Kerul Xi, Xiangzi Kong
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Patent number: 10620664Abstract: A foldable display panel, a display device, an image compensation method and an image compensation device are provided. The foldable display panel includes a first display panel and a second display panel which are foldable toward each other along a joining edge, and each of sub-pixels on the two display panels has an optical information detecting function. In a case that the first display panel and the second display panel are in a folded state, each of the sub-pixels on one display panel is used for detecting optical information of a corresponding sub-pixel on the other display panel, to perform optical compensation on the sub-pixel. Since optical information detection and image compensation are performed in a case that the foldable display panel is in the folded state, the use of the foldable display panel is not affected.Type: GrantFiled: December 19, 2018Date of Patent: April 14, 2020Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Yang Yang, Bojia Lv, Xiangzi Kong
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Patent number: 10586511Abstract: A display panel, a driving method, and a display device are provided. The display panel includes display area including main display area and auxiliary display area. Auxiliary display area has a smaller length than the main display area in row direction. Each auxiliary display area includes first display area, and non-rectangular display area having curved edge. First boundary is between each non-rectangular display area and first display area. Second boundary is between each non-rectangular display area and main display area. Each sector-shaped region has a vertex that is a center of circle corresponding to curved edge. Each sector-shaped region has attenuation transition zone having smaller width than radius of sector-shaped region. Width of attenuation transition zone adjacent to first boundary and width of attenuation transition zone adjacent to second boundary are smaller than width of attenuation transition zone of other sector-shaped regions.Type: GrantFiled: December 21, 2018Date of Patent: March 10, 2020Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Bin Yang, Bojia Lv, Xiangzi Kong
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Patent number: 10546553Abstract: The present disclosure provides an image processing apparatus, an image processing method and a display apparatus. Where the image processing method includes: receiving a signal of an image to be displayed; correcting the grayscale of each pixel in the image to be displayed according to a pre-created correction data table including pixel positions, display correction data and edge correction data; and displaying according to the corrected grayscale of each pixel.Type: GrantFiled: February 5, 2018Date of Patent: January 28, 2020Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Qing Bian, Bojia Lv, Xiangzi Kong, Bin Yang, Hongling Wang
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Publication number: 20190206363Abstract: A display panel, a driving method, and a display device are provided. The display panel includes display area including main display area and auxiliary display area. Auxiliary display area has a smaller length than the main display area in row direction. Each auxiliary display area includes first display area, and non-rectangular display area having curved edge. First boundary is between each non-rectangular display area and first display area. Second boundary is between each non-rectangular display area and main display area. Each sector-shaped region has a vertex that is a center of circle corresponding to curved edge. Each sector-shaped region has attenuation transition zone having smaller width than radius of sector-shaped region. Width of attenuation transition zone adjacent to first boundary and width of attenuation transition zone adjacent to second boundary are smaller than width of attenuation transition zone of other sector-shaped regions.Type: ApplicationFiled: December 21, 2018Publication date: July 4, 2019Inventors: Bin Yang, Bojia LV, Xiangzi Kong
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Publication number: 20190121390Abstract: A foldable display panel, a display device, an image compensation method and an image compensation device are provided. The foldable display panel includes a first display panel and a second display panel which are foldable toward each other along a joining edge, and each of sub-pixels on the two display panels has an optical information detecting function. In a case that the first display panel and the second display panel are in a folded state, each of the sub-pixels on one display panel is used for detecting optical information of a corresponding sub-pixel on the other display panel, to perform optical compensation on the sub-pixel. Since optical information detection and image compensation are performed in a case that the foldable display panel is in the folded state, the use of the foldable display panel is not affected.Type: ApplicationFiled: December 19, 2018Publication date: April 25, 2019Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Yang YANG, Bojia LV, Xiangzi KONG
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Publication number: 20180158434Abstract: The present disclosure provides an image processing apparatus, an image processing method and a display apparatus. Where the image processing method includes: receiving a signal of an image to be displayed; correcting the grayscale of each pixel in the image to be displayed according to a pre-created correction data table including pixel positions, display correction data and edge correction data; and displaying according to the corrected grayscale of each pixel.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Qing Bian, Bojia Lv, Xiangzi Kong, Bin Yang, Hongling Wang
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Publication number: 20180130406Abstract: The disclosure discloses an organic electroluminescent display panel, a driving method thereof and a display device, where the dimming mode is taken to drive and each frame of scanning time is divided into the display area scanning time and the front-back porch time. Where each line of pixel circuits located in the display area of the organic electroluminescent display panel are scanned during the display area scanning time; and the drive circuit is adjusted during the front-back porch time. Where the front-back porch time is less than the display area scanning time, and the front-back porch time is the common multiple of the respective clock signal cycles in the gate drive circuit of the organic electroluminescent display panel.Type: ApplicationFiled: January 4, 2018Publication date: May 10, 2018Applicant: SHANGHAI TIANMA AM-OLED CO., LTD.Inventors: Dongxu Xiang, Yue Li, Zeyuan Chen, Xiangzi Kong, Xingyao Zhou, Chuanli Leng, Yuan Li
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Patent number: 9588363Abstract: The present invention discloses a liquid crystal display device and a driving method thereof, and the device comprises a plurality of data lines; a plurality of gate lines; a plurality of common lines; at least one dummy gate line; a plurality of gate line trigger circuits; and a plurality of common line trigger circuits; wherein, one end of the last gate line is connected with the last gate line trigger circuit; one end of each of remaining gate lines are connected with a gate line trigger circuit corresponding to said each of remaining gate lines, and the other end of said each of the remaining gate lines are connected with the succeeding gate line trigger circuit; the first common line trigger circuit is connected with one dummy gate line, and each of remaining common line trigger circuits is connected with one or more preceding gate line trigger circuits. Latency to the charging time is effectively reduced with the liquid crystal display device of this invention.Type: GrantFiled: March 31, 2016Date of Patent: March 7, 2017Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Bojia Lv, Dong Qian, Xiangzi Kong, Hanyu Gu
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Publication number: 20160223846Abstract: The present invention discloses a liquid crystal display device and a driving method thereof, and the device comprises a plurality of data lines; a plurality of gate lines; a plurality of common lines; at least one dummy gate line; a plurality of gate line trigger circuits; and a plurality of common line trigger circuits; wherein, one end of the last gate line is connected with the last gate line trigger circuit; one end of each of remaining gate lines are connected with a gate line trigger circuit corresponding to said each of remaining gate lines, and the other end of said each of the remaining gate lines are connected with the succeeding gate line trigger circuit; the first common line trigger circuit is connected with one dummy gate line, and each of remaining common line trigger circuits is connected with one or more preceding gate line trigger circuits. Latency to the charging time is effectively reduced with the liquid crystal display device of this invention.Type: ApplicationFiled: March 31, 2016Publication date: August 4, 2016Inventors: Bojia LV, Dong Qian, Xiangzi Kong, Hanyu Gu
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Patent number: 9335573Abstract: A liquid crystal display device is disclosed. The device includes data lines, gate lines, and common lines in parallel with the gate lines. The device also includes at least one dummy gate line in parallel with the gate lines, gate line trigger circuits, and common line trigger circuits. One end of the last gate line is connected with the last gate line trigger circuit, one end of each of remaining gate lines is connected with a gate line trigger circuit corresponding to said each of remaining gate lines, and the other end of said each of the remaining gate lines is connected with a next gate line trigger circuit. The first common line trigger circuit is connected with one dummy gate line, and each of remaining common line trigger circuits is connected with one or more preceding gate line trigger circuits.Type: GrantFiled: November 11, 2013Date of Patent: May 10, 2016Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Bojia Lv, Dong Qian, Xiangzi Kong, Hanyu Gu
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Publication number: 20140071361Abstract: A liquid crystal display device is disclosed. The device includes data lines, gate lines, and common lines in parallel with the gate lines. The device also includes at least one dummy gate line in parallel with the gate lines, gate line trigger circuits, and common line trigger circuits. One end of the last gate line is connected with the last gate line trigger circuit, one end of each of remaining gate lines is connected with a gate line trigger circuit corresponding to said each of remaining gate lines, and the other end of said each of the remaining gate lines is connected with a next gate line trigger circuit. The first common line trigger circuit is connected with one dummy gate line, and each of remaining common line trigger circuits is connected with one or more preceding gate line trigger circuits.Type: ApplicationFiled: November 11, 2013Publication date: March 13, 2014Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Bojia LV, Dong QIAN, Xiangzi KONG, Hanyu GU