Patents by Inventor Guohuo SU
Guohuo SU 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: 11790818Abstract: A method for debugging the display panel includes: acquiring a target correction data table of the display panel in each of at least one color mode by debugging the display panel in each of the at least one color mode. Debugging the display panel in each of the at least one color mode includes: controlling the display panel to display a test picture in the color mode; acquiring an initial display parameter curve based on a display parameter of the test picture; determining a reference display parameter curve based on the initial display parameter curve and a standard display parameter curve; and determining the target correction data table based on the reference display parameter curve and the standard display parameter curve.Type: GrantFiled: February 14, 2022Date of Patent: October 17, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Guohuo Su, Changcheng Liu, Zhihua Sun, Jiantao Liu, Senwang Li, Zhun Lin, Wenliang Liu, Yinlong Zhang, Jituo Tang, Jinling Zhang
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Publication number: 20230178042Abstract: A ghost elimination method, a ghost elimination device and a display panel are provided. The ghost elimination method includes driving and displaying a display panel by taking a plurality of continuous frames of pictures as a period. In one period, motion compensation is performed on the front m frames of pictures, and the motion compensation is not performed on the remaining n frames of pictures, where m and n are both positive integers.Type: ApplicationFiled: July 6, 2021Publication date: June 8, 2023Inventors: Guohuo SU, Zhihua SUN, Senwang LI, Zhun LIN
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Patent number: 11600220Abstract: The disclosure discloses a timing controller board, a main control board, a display device and a detection method thereof. The timing controller board outputs a second level signal transmitted by a first fixed potential signal pin to the main control board through a detection circuit when a first data signal pin outputs a first level signal; the main control board loads a second potential signal transmitted by a second fixed potential signal pin to a second data signal pin and a clock signal pin through a switching circuit upon receiving the second level signal, to cause the main control board to stop sending a data signal to the timing controller board through the second data signal pin and stop sending a clock signal to the timing controller board through the clock signal pin.Type: GrantFiled: October 11, 2021Date of Patent: March 7, 2023Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tianxun Xiu, Changcheng Liu, Yanping Liao, Yinlong Zhang, Ming Deng, Guohuo Su, Jiantao Liu
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Publication number: 20220301491Abstract: The disclosure discloses a timing controller board, a main control board, a display device and a detection method thereof. The timing controller board outputs a second level signal transmitted by a first fixed potential signal pin to the main control board through a detection circuit when a first data signal pin outputs a first level signal; the main control board loads a second potential signal transmitted by a second fixed potential signal pin to a second data signal pin and a clock signal pin through a switching circuit upon receiving the second level signal, to cause the main control board to stop sending a data signal to the timing controller board through the second data signal pin and stop sending a clock signal to the timing controller board through the clock signal pin.Type: ApplicationFiled: October 11, 2021Publication date: September 22, 2022Inventors: Tianxun XIU, Changcheng LIU, Yanping LIAO, Yinlong ZHANG, Ming DENG, Guohuo SU, Jiantao LIU
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Publication number: 20220262289Abstract: A method for debugging the display panel includes: acquiring a target correction data table of the display panel in each of at least one color mode by debugging the display panel in each of the at least one color mode. Debugging the display panel in each of the at least one color mode includes: controlling the display panel to display a test picture in the color mode; acquiring an initial display parameter curve based on a display parameter of the test picture; determining a reference display parameter curve based on the initial display parameter curve and a standard display parameter curve; and determining the target correction data table based on the reference display parameter curve and the standard display parameter curve.Type: ApplicationFiled: February 14, 2022Publication date: August 18, 2022Inventors: Guohuo SU, Zhihua SUN, Jiantao LIU, Senwang LI, Zhun LIN, Wenliang LIU, Yinlong ZHANG, Jituo TANG, Jinling ZHANG
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Patent number: 11362015Abstract: A heat dissipation structure and a manufacturing method thereof and a display device. The heat dissipation structure includes: a heat dissipation plate body, including an evaporation part and a condensation part; a plurality of micro-cavity structures, disposed in the heat dissipation plate body, two ports of each of the micro-cavity structures being sealed, and the micro-cavity structures being filled with liquid. Each of the micro-cavity structures extends from the evaporation part to the condensation part, and after the liquid absorbs heat at the evaporation part to change into vapor, the vapor moves toward the condensation part, and the vapor moved to the condensation part is condensed and liquefied and moves toward the evaporation part to achieve heat dissipation.Type: GrantFiled: January 22, 2018Date of Patent: June 14, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ning Zhang, Zhihua Sun, Shulin Yao, Guohuo Su, Xu Zhang
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Patent number: 11289038Abstract: The present disclosure relates to the field of display technology and, in particular, to a pixel charging method, a pixel charging circuit, a display device, and a display control method. The pixel charging method includes acquiring a state of a backlight source and adjusting a charging time of a sub-pixel corresponding to the backlight source according to the state of the backlight source. When the backlight source is in an on state, the charging time of the sub-pixel corresponding to the backlight source is a first charging time. When the backlight source is in an off state, the charging time of the sub-pixel corresponding to the backlight source is a second charging time, the second charging time being shorter than the first charging time.Type: GrantFiled: March 31, 2020Date of Patent: March 29, 2022Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Sun, Yinshu Zhang, Jian Li, Senwang Li, Guohuo Su, Jianhua Huang, Hui Zhang
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Patent number: 11081030Abstract: A shift register circuit is provided that has an input terminal and an output terminal, and includes: an input module connected to the input terminal and a first node when the input, terminal is active, sets the first node to active; a reset module connected to the input terminal and a second node when the input terminal is active, sets the second node to inactive; an output module connected to the first node and the output terminal when the first node is active, sets the output terminal to active with a clock signal; a pull down module connected to the first node, the output terminal and the second node when the second node is active, sets the first node and the output terminal to inactive.Type: GrantFiled: February 8, 2018Date of Patent: August 3, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guohuo Su, Zhihua Sun, Xu Zhang, Weichao Ma, Ning Zhang, Jituo Tang
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Publication number: 20210210410Abstract: A heat dissipation structure and a manufacturing method thereof and a display device. The heat dissipation structure includes: a heat dissipation plate body, including an evaporation part and a condensation part; a plurality of micro-cavity structures, disposed in the heat dissipation plate body, two ports of each of the micro-cavity structures being sealed, and the micro-cavity structures being filled with liquid. Each of the micro-cavity structures extends from the evaporation part to the condensation part, and after the liquid absorbs heat at the evaporation part to change into vapor, the vapor moves toward the condensation part, and the vapor moved to the condensation part is condensed and liquefied and moves toward the evaporation part to achieve heat dissipation.Type: ApplicationFiled: January 22, 2018Publication date: July 8, 2021Inventors: Ning ZHANG, Zhihua SUN, Shulin YAO, Guohuo SU, Xu ZHANG
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Publication number: 20210097946Abstract: The present disclosure relates to the field of display technology and, in particular, to a pixel charging method, a pixel charging circuit, a display device, and a display control method. The pixel charging method includes acquiring a state of a backlight source and adjusting a charging time of a sub-pixel corresponding to the backlight source according to the state of the backlight source. When the backlight source is in an on state, the charging time of the sub-pixel corresponding to the backlight source is a first charging time. When the backlight source is in an off state, the charging time of the sub-pixel corresponding to the backlight source is a second charging time, the second charging time being shorter than the first charging time.Type: ApplicationFiled: March 31, 2020Publication date: April 1, 2021Inventors: Zhihua SUN, Yinshu ZHANG, Jian LI, Senwang LI, Guohuo SU, Jianhua HUANG, Hui ZHANG
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Publication number: 20210027684Abstract: The present disclosure discloses a shift register circuit, a scan drive circuit, an array substrate and a display device. The shift register circuit has an input terminal and an output terminal, and includes: an input module connected to the input terminal and a first node when the input terminal is active, sets the first node to active; a reset module connected to the input terminal and a second node when the input terminal is active, sets the second node to inactive; an output module connected to the first node and the output terminal when the first node is active, sets the output terminal to active with a clock signal; a pull down module connected to the first node, the output terminal and the second node when the second node is active, sets the first node and the output terminal to inactive.Type: ApplicationFiled: February 8, 2018Publication date: January 28, 2021Inventors: Guohuo SU, Zhihua SUN, Xu ZHANG, Weichao MA, Ning ZHANG, Jituo TANG
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Patent number: 10650735Abstract: A charge pump, a voltage control method for the charge pump, and a display device are provided. The charge pump includes a voltage output end and a first step-up circuitry. The first step-up circuitry includes a first energy storage unit, a second energy storage unit, a first input control unit, a first voltage application control unit, a first output control unit and a first charging path control unit. The first voltage application control unit is configured to enable a first end of the first energy storage unit to be electrically connected to, or electrically disconnected from, a first voltage end, and enable a first end of the second energy storage unit to be electrically connected to, or electrically disconnected from, a second voltage end.Type: GrantFiled: October 24, 2018Date of Patent: May 12, 2020Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jituo Tang, Guohuo Su, Shulin Yao, Zhihua Sun, Yinlong Zhang, Xu Zhang, Ning Zhang, Wenpeng Ma
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Patent number: 10643558Abstract: A driving method of display panel, a display panel and a display device are disclosed. The driving method includes: in a single-frame display time, sequentially applying signals to a plurality of first sub-pixels connected to first data lines in a scanning direction so that: a signal polarity applied to each of a plurality of first white sub-pixels connected to first data lines is opposite to a signal polarity applied to a first sub-pixel which is located at an upstream of the first white sub-pixel along the scanning direction and is adjacent to the first white sub-pixel, and a signal polarity applied to each of a plurality of first colored sub-pixels is identical with a signal polarity applied to a first sub-pixel which is located at an upstream of the first colored sub-pixel along the scanning direction and is adjacent to the first colored sub-pixel.Type: GrantFiled: February 24, 2017Date of Patent: May 5, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Guohuo Su, Zhihua Sun, Yujie Gao, Shulin Yao, Baoyu Liu, Xu Zhang, Weichao Ma, Zhihao Zhang, Wenkai Mu, Yingmeng Miao, Guangquan He
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Patent number: 10546550Abstract: The present disclosure provides a method and a device for driving a GOA circuit, a time controller and a display device. The method includes steps of: determining a bright-dark period for striped patterns on a display panel; and compensating for data signals at rows where the striped patterns are located periodically in accordance with the bright-dark period.Type: GrantFiled: August 25, 2016Date of Patent: January 28, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhihua Sun, Xu Zhang, Guohuo Su, Zhihao Zhang
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Publication number: 20190279560Abstract: A charge pump, a voltage control method for the charge pump, and a display device are provided. The charge pump includes a voltage output end and a first step-up circuitry. The first step-up circuitry includes a first energy storage unit, a second energy storage unit, a first input control unit, a first voltage application control unit, a first output control unit and a first charging path control unit. The first voltage application control unit is configured to enable a first end of the first energy storage unit to be electrically connected to, or electrically disconnected from, a first voltage end, and enable a first end of the second energy storage unit to be electrically connected to, or electrically disconnected from, a second voltage end.Type: ApplicationFiled: October 24, 2018Publication date: September 12, 2019Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jituo TANG, Guohuo SU, Shulin YAO, Zhihua SUN, Yinlong ZHANG, Xu ZHANG, Ning ZHANG, Wenpeng MA
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Publication number: 20190213968Abstract: The embodiments of the present disclosure disclose an array substrate, a method for driving the same, and a display apparatus. The array substrate includes: a plurality of data lines; a plurality of scanning lines intersecting the plurality of data lines to form a matrix array; a common electrode line; a plurality of pixel sub-circuits disposed at intersections of the data lines and the scanning lines, wherein each of the pixel sub-circuits comprises a pixel transistor and a pixel capacitor, wherein the pixel capacitor is connected between a corresponding one of the data lines and the common electrode line via the pixel transistor, and a control terminal of the pixel transistor is connected to a corresponding one of the scanning lines; and control sub-circuits, each connected between a respective data line and the common electrode line respectively and configured to zero a voltage difference across a pixel capacitor in each of pixel sub-circuits connected to the respective data line based on a control signal.Type: ApplicationFiled: April 28, 2018Publication date: July 11, 2019Inventors: Guohuo SU, Zhihua SUN, Shulin YAO, Guangquan HE, Ning ZHANG, Jituo TANG
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Patent number: 10229634Abstract: The present disclosure provides a level shifting unit which includes, for example, a logic control module, an output module, an output control module and a feedback module. The logic control module is connected to a turn-on power supply, a driving power supply, an input signal terminal, and the output module. The feedback module is connected to an enable signal terminal, a signal output terminal, and the output control module. The output control module is connected to the output module and the driving power supply. The output module is connected to the signal output terminal. The feedback module controls to turn on or turn off the output module through the signals outputted from the enable signal terminal and the signal output terminal. If the signals outputted by two level shifting units are short circuited, the feedback module controls the output control module of the level shifting circuit to be disconnected.Type: GrantFiled: August 19, 2016Date of Patent: March 12, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhihao Zhang, Zhihua Sun, Weichao Ma, Xu Zhang, Guohuo Su, Jianming Wang
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Patent number: 10211821Abstract: Embodiments of the present disclosure provide a clock signal transmission circuit, a driving method thereof, a gate driving circuit, and a display device. The clock signal transmission circuit includes an input circuit, a pull-up circuit, a reset circuit, a pull-down control circuit, a pull-down circuit, and a pull-up holding circuit. According to an embodiment of the present disclosure, the clock signal source can be disconnected from each shift register unit in the gate driving circuit before a screen is displayed, preventing malfunctions of the gate driving circuit caused by an undesired high voltage on the clock signal line.Type: GrantFiled: September 20, 2017Date of Patent: February 19, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Guohuo Su, Zhihua Sun, Xu Zhang, Zhihao Zhang, Guangquan He, Song Liu
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Publication number: 20180301082Abstract: The present disclosure provides a level shifting unit which includes, for example, a logic control module, an output module, an output control module and a feedback module. The logic control module is connected to a turn-on power supply, a driving power supply, an input signal terminal, and the output module. The feedback module is connected to an enable signal terminal, a signal output terminal, and the output control module. The output control module is connected to the output module and the driving power supply. The output module is connected to the signal output terminal. The feedback module controls to turn on or turn off the output module through the signals outputted from the enable signal terminal and the signal output terminal. If the signals outputted by two level shifting units are short circuited, the feedback module controls the output control module of the level shifting circuit to be disconnected.Type: ApplicationFiled: August 19, 2016Publication date: October 18, 2018Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Zhihao ZHANG, Zhihua SUN, Weichao MA, Xu ZHANG, Guohuo SU, Jianming WANG
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Publication number: 20180226959Abstract: Embodiments of the present disclosure provide a clock signal transmission circuit, a driving method thereof, a gate driving circuit, and a display device. The clock signal transmission circuit includes an input circuit, a pull-up circuit, a reset circuit, a pull-down control circuit, a pull-down circuit, and a pull-up holding circuit. According to an embodiment of the present disclosure, the clock signal source can be disconnected from each shift register unit in the gate driving circuit before a screen is displayed, preventing malfunctions of the gate driving circuit caused by an undesired high voltage on the clock signal line.Type: ApplicationFiled: September 20, 2017Publication date: August 9, 2018Inventors: Guohuo Su, Zhihua Sun, Xu Zhang, Zhihao Zhang, Guangquan He, Song Liu