Patents by Inventor Jingbo Xu
Jingbo Xu 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).
-
Patent number: 12046182Abstract: The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.Type: GrantFiled: November 15, 2021Date of Patent: July 23, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Fei Yang, Tangxiang Wang, Xiaolong Wei, Jingbo Xu, Jianbo Xian
-
Publication number: 20240242667Abstract: A display device and a driving method thereof. The display device includes a display substrate and at least one optical sensing unit; the display substrate includes a light-emitting region and a plurality of pixel units located in the light-emitting region; wherein the light-emitting region comprises a single-sided light-emitting region and at least one double-sided light-emitting region, and each of the pixel units in the plurality of pixel units comprises a plurality of sub-pixels; and the at least one optical sensing unit corresponds to the at least one double-sided light-emitting region from a non-display side of the display substrate, and configured to sense light emitted by the sub-pixels during operation in the at least one double-sided light-emitting region, and to provide sensing brightness information of the at least one double-sided light-emitting region to perform brightness compensation on the light-emitting region.Type: ApplicationFiled: December 21, 2021Publication date: July 18, 2024Inventors: Mingi CHU, Ying HAN, Song MENG, Fei YANG, Lirong WANG, Zhiqiang DONG, Tianji LI, Jingbo XU, Pan LI
-
Publication number: 20240233652Abstract: A source driving circuit includes a first source driver and a second source driver. The first source driver is configured to convert latched first image data into a plurality of first data voltages in response to a first triggering moment of a first data transmission control signal, and output the plurality of first data voltages based on a second triggering moment of the first data transmission control signal. The second source driver is configured to convert latched second image data into a plurality of second data voltages in response to a first triggering moment of a second data transmission control signal, and output the plurality of second data voltages based on a second triggering moment of the second data transmission control signal. The second triggering moment of the first data transmission control signal and the second triggering moment of the second data transmission control signal have a time difference.Type: ApplicationFiled: December 28, 2021Publication date: July 11, 2024Inventors: Fei YANG, Yi CHEN, Tianji LI, Mingi CHU, Zhiqiang DONG, Lirong WANG, Jingbo XU
-
Publication number: 20240221607Abstract: An image dis play method applied to a display apparatus includes: establishing a correspondence table between a threshold voltage of a sub-pixel and a compensation voltage, the correspondence table including at least one adjustment interval, an adjustment interval including a first and second threshold voltage endpoint values, the first threshold voltage endpoint value being less than the second threshold voltage endpoint value; acquiring a threshold voltage of each sub-pixel; determining an adjustment interval in which the acquired threshold voltage is located according to the corresponding table; acquiring a compensation voltage corresponding to the acquired threshold voltage according to the correspondence table and the determined adjustment interval; and determining, in a case where the display apparatus is to display a black image, a data voltage required by each sub-pixel according to the acquired threshold voltage and the acquired compensation voltage.Type: ApplicationFiled: September 8, 2021Publication date: July 4, 2024Inventors: Huihui LI, Wenchao BAO, Song MENG, Jingbo XU
-
Patent number: 12027093Abstract: A method for compensating display of a spliced screen, including: obtaining a picture to be displayed; obtaining a theoretical brightness gain of at least one sub-display region in a plurality of sub-display regions; obtaining an actual brightness gain of the central region according to the theoretical brightness gain of at least part of the sub-display regions, and obtaining actual brightness gains of a plurality of first nodes in the non-central region according to the theoretical brightness gain of at least part of the sub-display regions; obtaining an actual brightness gain of at least part of the non-central region by using a bilinear interpolation method according to the actual brightness gains of the plurality of first nodes and an actual brightness gain of at least one second node on the central region; and compensating the picture to be displayed based on an actual brightness gain of the picture to be displayed.Type: GrantFiled: December 30, 2021Date of Patent: July 2, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingi Chu, Ying Han, Fei Yang, Lirong Wang, Yi Chen, Yu Wang, Jingbo Xu, Pan Li
-
Publication number: 20240212568Abstract: The present disclosure provides a compensation control method and a display device. The method includes in a standstill phase, controlling the display panel to stand still; after the standstill phase ends, sensing, by the timing controller, characteristic values of each row of the pixel circuits in the display panel in a time division manner by controlling the gate driver and the source driver; setting a black insertion time period between time periods for sensing characteristic values of different rows of pixel circuits, during the black insertion time period, controlling, by the timing controller, the gate driver and the source driver, to display a black picture on the display panel.Type: ApplicationFiled: November 15, 2021Publication date: June 27, 2024Inventors: Fei YANG, Tangxiang WANG, Xiaolong WEI, Jingbo XU, Jianbo XIAN
-
Publication number: 20240212624Abstract: Provided is a display apparatus including a display panel, a timing controller, a source driver and a gate driver. The display apparatus is divided into a first region and a second region along a centerline. The timing controller includes a first timing connector and a second timing connector, which are located in the same region with the gate driver, and the first timing connector is located on a side of the second timing connector close to the gate driver. The first timing connector is configured to transmit a first signal, which includes a first power supply signal configured to supply power to the gate driver and a first control signal configured to control the gate driver to output a scan signal. The second timing connector is configured to transmit a second signal, which includes a second control signal configured to control the source driver to output a data signal.Type: ApplicationFiled: November 29, 2021Publication date: June 27, 2024Inventors: Lirong WANG, Fei YANG, Jingbo XU, Fang LIU
-
Publication number: 20240203361Abstract: An organic light-emitting diode display panel and a sensing method and a driving method therefor are provided. The organic light-emitting diode display panel includes a plurality of pixel units arranged in an array, each pixel unit includes a plurality of sub-pixels, and at least two sub-pixels are connected to a same sensing signal line. The sensing method includes: sequentially applying sensing data signals to the sub-pixels in the organic light-emitting diode display panel, and sequentially outputting sensing signals through sensing signal lines, to sense the sub-pixels, so as to compensate the sub-pixels. Among the sub-pixels connected to the same sensing signal line, sub-pixels, other than a sub-pixel which is currently sensed, are applied with a zero-gray-scale data signal.Type: ApplicationFiled: May 28, 2021Publication date: June 20, 2024Inventors: Song MENG, Jingbo XU, Jianbo XIAN
-
Publication number: 20240194689Abstract: A driving apparatus is provided. The driving apparatus includes an integrated circuit chip; an input wiring pattern connected to the integrated circuit chip, and configured to be connected to a circuit board; and an output wiring pattern including a plurality of output wires connected to the integrated circuit chip, and configured to be connected to a display panel. The plurality of output wires are arranged in a first bonding region, at least two output wires of the plurality of output wires have different average line widths.Type: ApplicationFiled: November 18, 2021Publication date: June 13, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Tianji Li, Fei Yang, Mingi Chu, Yi Chen, Lirong Wang, Yu Wang, Zhiqiang Dong, Jingbo Xu
-
Publication number: 20240189381Abstract: The present disclosure provides a traditional Chinese medicine (TCM) composition for preventing and treating diabetes, a TCM preparation and use thereof, and belongs to the technical field of medicine. The TCM composition includes the following raw materials: 3-20 parts by weight of Rhizoma Coptidis, 9-24 parts by weight of Rhizoma Atractylodis, 6-24 parts by weight of Feculae Bombycis, 10-60 parts by weight of Stigma Maydis, 10-60 parts by weight of Radix Trichosanthis, 6-30 parts by weight of Radix Scrophulariae, 10-60 parts by weight of Radix et Rhizoma Salviae Miltiorrhizae, and 10-50 parts by weight of Fructus Crataegi Preparata. In the TCM composition provided by the present disclosure, all medicinal materials are synergistic to achieve the effects of clearing heat, drying dampness, fortifying the spleen, dispersing blood stasis, dispersing accumulations, lowering lipids, nourishing yin and moistening dryness.Type: ApplicationFiled: November 22, 2023Publication date: June 13, 2024Inventors: Xuhong JIANG, Senlin SHI, Jingbo XU, Shanshan LU, Lingtian WENG, Yuqin LOU
-
Publication number: 20240169907Abstract: A control device includes a memory and a processor. The memory is configured to store a time comparison table. The processor is configured to determine whether a displayed image is a still image. When the displayed image is determined to be a still image, the time comparison table is queried for a corresponding still image judgment duration according to an average pixel level and a type of the still image.Type: ApplicationFiled: July 21, 2021Publication date: May 23, 2024Inventors: Xiaolong WEI, Song MENG, Jingbo XU, Pan LI, Wenchao BAO
-
Publication number: 20240172508Abstract: A display substrate and a display panel. The display substrate comprises: a base substrate, wherein the base substrate comprises a display area (10) and a peripheral area (20), which is located at at least one side of the display area (10).Type: ApplicationFiled: August 24, 2022Publication date: May 23, 2024Inventors: Jingbo XU, Xueguang HAO, Jingquan WANG, Xinyin WU, Lu BAI
-
Publication number: 20240161691Abstract: A display substrate includes an underlay substrate and a plurality of pixel unit groups. The plurality of pixel unit groups are located in a display region of the underlay substrate. At least one pixel unit group includes a plurality of sub-pixel groups, wherein at least one sub-pixel group includes a pixel circuit. The pixel circuit includes a first sub-pixel circuit, a second sub-pixel circuit, and a light emitting control sub-circuit. The first sub-pixel circuit and the second sub-pixel circuit are both electrically connected to the light emitting control sub-circuit. The light emitting control sub-circuit is configured to control a first light emitting element electrically connected to the first sub-pixel circuit to emit light, and to control a second light emitting element electrically connected to the second sub-pixel circuit to emit light.Type: ApplicationFiled: July 21, 2021Publication date: May 16, 2024Inventors: Zhidong YUAN, Yongqian LI, Dacheng ZHANG, Jingbo XU, Can YUAN
-
Publication number: 20240153430Abstract: A method for compensating display of a spliced screen, including: obtaining a picture to be displayed; obtaining a theoretical brightness gain of at least one sub-display region in a plurality of sub-display regions; obtaining an actual brightness gain of the central region according to the theoretical brightness gain of at least part of the sub-display regions, and obtaining actual brightness gains of a plurality of first nodes in the non-central region according to the theoretical brightness gain of at least part of the sub-display regions; obtaining an actual brightness gain of at least part of the non-central region by using a bilinear interpolation method according to the actual brightness gains of the plurality of first nodes and an actual brightness gain of at least one second node on the central region; and compensating the picture to be displayed based on an actual brightness gain of the picture to be displayed.Type: ApplicationFiled: December 30, 2021Publication date: May 9, 2024Inventors: Mingi CHU, Ying HAN, Fei YANG, Lirong WANG, Yi CHEN, Yu WANG, Jingbo XU, Pan LI
-
Patent number: 11952355Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.Type: GrantFiled: June 17, 2019Date of Patent: April 9, 2024Assignee: Shenyang Sinochem Agrochemicals R&D Co., Ltd.Inventors: Hongfei Wu, Xueming Cheng, Libao Xu, Chunxiao Guo, Jingbo Xu, Ningning Sun, Haibo Yu
-
Publication number: 20240112623Abstract: A display substrate, comprising a base substrate and a scan drive control circuit which is disposed in a non-display area of the base substrate. The scan drive control circuit comprises an input circuit, an output control circuit, and an output circuit. The output control circuit is connected to the input circuit and the output circuit. The output control circuit comprises a first node control capacitor and a second node control capacitor. The length of the first node control capacitor in a first direction LC1k, the length of the second node control capacitor in the first direction LC2k and the length of the scan drive control circuit in the first direction LY satisfy the following formula: L C ? 1 ? k L Y < L C ? 2 ? k L Y ; L C ? 1 ? k L Y < 0.2 .Type: ApplicationFiled: July 8, 2022Publication date: April 4, 2024Inventors: Miao LIU, Xueguang HAO, Jingbo XU, Xing YAO, Jingquan WANG, Xinyin WU, Xinguo LI, Zhichong WANG
-
Publication number: 20240071284Abstract: A method for driving a display panel is provided. The method includes receiving image data of a frame of image, the image data including a plurality of initial grayscale values respectively for a plurality of subpixels in the display panel; and converting the image data into a converted image data including a plurality of converted grayscale values respectively for the plurality of subpixels. Converting the image data includes compensating a respective initial grayscale value for a respective subpixel by at least a respective delay-compensating factor to obtain a respective converted grayscale value. With respect to a p-th subpixel and a q-th subpixel respectively connected to a respective data line and having a same initial grayscale values, a p-th delay-compensating factor for the p-th subpixel is greater than a q-th delay-compensating factor for the q-th subpixel.Type: ApplicationFiled: June 29, 2021Publication date: February 29, 2024Applicants: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Song Meng, Jingbo Xu, Pan Li
-
Publication number: 20240054925Abstract: A method for sensing a display panel includes: sensing an electrical characteristic parameter of a driving transistor of a pixel circuit of a sub-pixel in an X-th row in a blank stage between an N-th frame and an (N+1)-th frame, wherein X is a random number, and both N and X are positive integers.Type: ApplicationFiled: May 28, 2021Publication date: February 15, 2024Inventors: Xiaolong WEI, Fei YANG, Song MENG, Jingbo XU, Jianbo XIAN
-
Publication number: 20240046879Abstract: A data driving integrated circuit includes a digital-to-analog converter configured to receive a respective digital data signal from a timing controller and convert the respective digital data signal to a respective analog data signal, which is output to a display panel through a respective data line; an analog-to-digital converter configured to receive a respective analog sensing signal from a respective sensing line in the display panel and convert respective analog sensing signal to a respective digital sensing signal, which is output to the timing controller; a first sensing switch configured to control a connection between a first reference voltage line and the respective sensing line; a second sensing switch configured to control a connection between a second reference voltage line and the respective sensing line; and a third sensing switch configured to control the connection between the analog-to-digital converter and the respective sensing line.Type: ApplicationFiled: May 26, 2021Publication date: February 8, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Fei Yang, Song Meng, Zhiqiang Dong, Yi Chen, Jingbo Xu, Jianbo Xian
-
Patent number: 11891371Abstract: The present invention belongs to the fields of insecticides, acaricides and fungicides, and particularly relates to a piperonylic acid derivative, and preparation and application thereof. The structure is shown in a general formula I, and the definition of each substituent in the formula is described in the description. The compound of the general formula I exhibits excellent insecticidal, acaricidal and fungicidal activity and can be used for controlling various harmful insects, mites or fungus.Type: GrantFiled: June 22, 2018Date of Patent: February 6, 2024Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD, JIANGSU YANGNONG CHEMICAL CO., LTD.Inventors: Hongfei Wu, Jingbo Xu, Shaowu Liu, Haibo Yu, Xiuhui Chang, Qin Sun, Libao Xu, Xueming Cheng, Hao Yang, Ningning Sun