Patents by Inventor Luqiang GUO
Luqiang GUO 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: 11740505Abstract: The present disclosure provides a display control method, a display apparatus and a computer-readable storage medium. The display control method is applied to the display apparatus including a backlight component, and a first liquid crystal display panel and a second liquid crystal display panel that are stacked. The first liquid crystal display panel is located between the backlight component and the second liquid crystal display panel and configured to display a first image, and the second liquid crystal display panel is configured to display a second image. The method includes: in response to entering an image adjustment display mode, acquiring control information for controlling movement of a display position of the first image; and moving the display position of the first image based on the control information.Type: GrantFiled: March 16, 2021Date of Patent: August 29, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tingting Luo, Luqiang Guo
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Publication number: 20220350230Abstract: A transparent display panel and a control method and apparatus therefor, a display system, and a computer-readable storage medium. The transparent display panel includes: a liquid crystal panel (11), and a transflective optical film layer (12) disposed on one side of the liquid crystal panel (11), wherein a plurality of microstructures (31) for scattering incident light rays are provided in the transflective optical film layer (12), in order to present a projected image. The transparency level of the transparent display panel is determined by acquiring the ambient light intensity of the transparent display panel or a grayscale average of a projected image at each first region, and the light transmittance level of the liquid crystal panel is adjusted according to the transparency level, thereby improving the projection display effect.Type: ApplicationFiled: May 12, 2021Publication date: November 3, 2022Inventors: Luqiang Guo, Tingting Luo, Guangyun Tong, Shou Li
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Patent number: 11455963Abstract: A driving method for a backlight is provided. The backlight includes a plurality of light-emitting elements, and the driving method includes steps of calculating a brightness difference value of an image to be displayed; and determining whether the brightness difference value of the image to be displayed is greater than a predetermined difference value of the image. When the brightness difference value of the image to be displayed is determined to be greater than the predetermined difference value of the image, the method includes steps of dividing the image to be displayed into a plurality of sub-regions; partitioning the backlight according to brightness difference values of the plurality of sub-regions to obtain a plurality of final light-emitting regions of the backlight; and driving the backlight to emit light according to the plurality of final light-emitting regions. The present disclosure further provides a driving circuit, a backlight and a display device.Type: GrantFiled: April 24, 2018Date of Patent: September 27, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Shuhuan Yu, Luqiang Guo
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Patent number: 11404015Abstract: A display device includes a light control panel and a liquid crystal display panel laminated one on another. The liquid crystal display panel includes one or more first photosensitive thin film transistor for detecting an environmental brightness value of the display device. Each first photosensitive thin film transistor includes a control electrode, an input end and an output end, the liquid crystal display panel includes a plurality of first shift register units, the control electrode of each first photosensitive thin film transistor is coupled to a clock signal line of each first shift register unit, the input end of each first photosensitive thin film transistor is coupled to a deflection reference voltage signal line of the liquid crystal display panel, and the output end of each first photosensitive thin film transistor is coupled to a first output signal line of the liquid crystal display panel.Type: GrantFiled: June 8, 2021Date of Patent: August 2, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shou Li, Jian Zhang, Zhanchang Bu, Bo Li, Luqiang Guo, Zhiming Meng
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Publication number: 20220172687Abstract: A display device includes a light control panel and a liquid crystal display panel laminated one on another. The liquid crystal display panel includes one or more first photosensitive thin film transistor for detecting an environmental brightness value of the display device. Each first photosensitive thin film transistor includes a control electrode, an input end and an output end, the liquid crystal display panel includes a plurality of first shift register units, the control electrode of each first photosensitive thin film transistor is coupled to a clock signal line of each first shift register unit, the input end of each first photosensitive thin film transistor is coupled to a deflection reference voltage signal line of the liquid crystal display panel, and the output end of each first photosensitive thin film transistor is coupled to a first output signal line of the liquid crystal display panel.Type: ApplicationFiled: June 8, 2021Publication date: June 2, 2022Inventors: Shou LI, Jian ZHANG, Zhanchang BU, Bo LI, Luqiang GUO, Zhiming MENG
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Publication number: 20220050328Abstract: The present disclosure provides a display control method, a display apparatus and a computer-readable storage medium. The display control method is applied to the display apparatus including a backlight component, and a first liquid crystal display panel and a second liquid crystal display panel that are stacked. The first liquid crystal display panel is located between the backlight component and the second liquid crystal display panel and configured to display a first image, and the second liquid crystal display panel is configured to display a second image. The method includes: in response to entering an image adjustment display mode, acquiring control information for controlling movement of a display position of the first image; and moving the display position of the first image based on the control information.Type: ApplicationFiled: March 16, 2021Publication date: February 17, 2022Inventors: Tingting LUO, Luqiang GUO
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Patent number: 11217188Abstract: The embodiments of the present disclosure provide a method for displaying an image on a dual-screen display panel. According to an embodiment, the dual-screen display panel comprises a dimming screen and a display screen. The method comprises: generating first image data for the dimming screen according to image data; determining dimming driving voltages for a plurality of dimming areas based on the first image data according to a grayscale-dimming driving voltage relationship; determining display driving voltages for a plurality of display areas based on the image data according to a grayscale-display driving voltage relationship; and driving the dimming screen and the display screen with the determined dimming driving voltages and display driving voltages, respectively, to display the image.Type: GrantFiled: November 16, 2018Date of Patent: January 4, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jun Guo, Cuilan Huang, Luqiang Guo, Jieqiong Wang, Hongming Zhan, Ruichen Zhang
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Publication number: 20210358422Abstract: A driving method for a backlight is provided. The backlight includes a plurality of light-emitting elements, and the driving method includes steps of calculating a brightness difference value of an image to be displayed; and determining whether the brightness difference value of the image to be displayed is greater than a predetermined difference value of the image. When the brightness difference value of the image to be displayed is determined to be greater than the predetermined difference value of the image, the method includes steps of dividing the image to be displayed into a plurality of sub-regions; partitioning the backlight according to brightness difference values of the plurality of sub-regions to obtain a plurality of final light-emitting regions of the backlight; and driving the backlight to emit light according to the plurality of final light-emitting regions. The present disclosure further provides a driving circuit, a backlight and a display device.Type: ApplicationFiled: April 24, 2018Publication date: November 18, 2021Inventors: Shuhuan YU, Luqiang GUO
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Patent number: 11087667Abstract: There are provided a pixel charging method, a circuit, a display device and a computer storage medium. The method includes: acquiring a gray-scale value of each row of sub-pixels in an image frame of an image to be displayed; determining a charging time of each row of the sub-pixels according to the gray-scale value thereof; and charging each row of the sub-pixels according to the charging time thereof when a display panel displays the image frame. The charging time of each row of sub-pixels is determined according to the gray-scale value of each row of the sub-pixels, so as to reduce a charging rate difference between two rows of sub-pixels which have a relatively larger gray-scale value difference therebetween, and achieve an effect of improving the uniformity of the charging rates of all rows of sub-pixels in the display panel.Type: GrantFiled: December 14, 2017Date of Patent: August 10, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Luqiang Guo, Xue Dong, Ming Chen, Shou Li, Xin Duan
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Publication number: 20210217371Abstract: The embodiments of the present disclosure provide a method for displaying an image on a dual-screen display panel. According to an embodiment, the dual-screen display panel comprises a dimming screen and a display screen. The method comprises: generating first image data for the dimming screen according to image data; determining dimming driving voltages for a plurality of dimming areas based on the first image data according to a grayscale-dimming driving voltage relationship; determining display driving voltages for a plurality of display areas based on the image data according to a grayscale-display driving voltage relationship; and driving the dimming screen and the display screen with the determined dimming driving voltages and display driving voltages, respectively, to display the image.Type: ApplicationFiled: November 16, 2018Publication date: July 15, 2021Inventors: Jun GUO, Cuilan HUANG, Luqiang GUO, Jieqiong WANG, Hongming ZHAN, Ruichen ZHANG
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Publication number: 20210166608Abstract: There are provided a pixel charging method, a circuit, a display device and a computer storage medium. The method includes: acquiring a gray-scale value of each row of sub-pixels in an image frame of an image to be displayed; determining a charging time of each row of the sub-pixels according to the gray-scale value thereof; each row of the sub-pixels according to the charging time thereof when a display panel displays the image frame. The charging time of each row of sub-pixels is determined according to the gray-scale value of each row of the sub-pixels, so as to reduce a charging rate difference between two rows of sub-pixels which have a relatively larger gray-scale value difference therebetween, and achieve an effect of improving the uniformity of the charging rates of all rows of sub-pixels in the display panel.Type: ApplicationFiled: December 14, 2017Publication date: June 3, 2021Inventors: Luqiang Guo, Xue Dong, Ming Chen, Shou Li, Xin Duan
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Patent number: 10885866Abstract: The present application provides a turn-on voltage supplying circuit and method, a defect analysis method and a display device. The turn-on voltage supplying circuit includes a voltage supplying unit and a switching unit. The voltage supplying unit is configured to provide turn-on voltages, values of which being within a predetermined range, to the M stages of gate driving circuits respectively in the case that the M stages of gate driving circuits are in a normal operation state, or provide corresponding turn-on voltages to the gate driving circuits in the case that the gate driving circuits are subject to a defect analysis process. M is an integer greater than 1. When the gate driving circuits are subject to the defect analysis process, the voltage supplying unit comprises variable resistors connected between a reference turn-on voltage outputting terminal and the turn-on voltage inputting terminals of the gate driving circuits.Type: GrantFiled: July 6, 2016Date of Patent: January 5, 2021Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Ming Hua, Xinyu Hu, Liwei Zhu, Luqiang Guo, Zhiming Meng, Yunfei Wang
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Patent number: 10798334Abstract: This application discloses an image processing system, an image display method, a display device, and a storage medium, which belongs to the field of display technology. The method includes: acquiring a first resolution supported by a display panel currently installed in the display device; identifying a second resolution of pending image data input by a video source to the image processing system; determining a target data processing module in at least two data processing modules; retrieving the target data processing module to process the pending image data to obtain target image data; and outputting the target image data to the display panel. Since at least two data processing modules are provided in the image processing system, the image processing system may be compatible with display panels having at least two resolutions, which effectively improves the compatibility of the image display system. This application is used in display devices.Type: GrantFiled: April 28, 2018Date of Patent: October 6, 2020Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jian Zhang, Jieqiong Wang, Ming Chen, Hao Zhu, Luqiang Guo
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Patent number: 10768455Abstract: A data compensation method and apparatus for a liquid crystal display screen are described herein. Said method comprises determining a timing length ?T? from the last turn-off of the liquid crystal display screen upon turn-on of the liquid crystal display screen, and determining a mura data compensation table am called at the time of the last turn-off; determining a mura data compensation table to be called at the time of the present turn-on according to a pre-set time length T needed for stabilization of mura, mura data compensation tables corresponding to pre-set different time periods, said timing length ?T?, and said mura data compensation table am; performing data compensation starting from the determined mura data compensation table to be called at the time of the present turn-on. By using said method for data compensation, an appropriate initial data compensation table can be determined to obtain a better compensation effect.Type: GrantFiled: July 21, 2017Date of Patent: September 8, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Luqiang Guo, Liugang Zhou, Shou Li, Jianming Wang, Shuhuan Yu, Chenxi Liu, Jian Zhang
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Patent number: 10726774Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.Type: GrantFiled: December 4, 2018Date of Patent: July 28, 2020Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Hao, Feifei Wang, Luqiang Guo, Jieqiong Wang, Ziqiang Guo
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Publication number: 20200145607Abstract: This application discloses an image processing system, an image display method, a display device, and a storage medium, which belongs to the field of display technology. The method includes: acquiring a first resolution supported by a display panel currently installed in the display device; identifying a second resolution of pending image data input by a video source to the image processing system; determining a target data processing module in at least two data processing modules; retrieving the target data processing module to process the pending image data to obtain target image data; and outputting the target image data to the display panel. Since at least two data processing modules are provided in the image processing system, the image processing system may be compatible with display panels having at least two resolutions, which effectively improves the compatibility of the image display system. This application is used in display devices.Type: ApplicationFiled: April 28, 2018Publication date: May 7, 2020Inventors: Jian Zhang, Jieqiong Wang, Ming Chen, Hao Zhu, Luqiang Guo
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Publication number: 20200081278Abstract: A data compensation method and apparatus for a liquid crystal display screen are described herein. Said method comprises determining a timing length ?T? from the last turn-off of the liquid crystal display screen upon turn-on of the liquid crystal display screen, and determining a mura data compensation table am called at the time of the last turn-off; determining a mura data compensation table to be called at the time of the present turn-on according to a pre-set time length T needed for stabilization of mura, mura data compensation tables corresponding to pre-set different time periods, said timing length ?T?, and said mura data compensation table am; performing data compensation starting from the determined mura data compensation table to be called at the time of the present turn-on. By using said method for data compensation, an appropriate initial data compensation table can be determined to obtain a better compensation effect.Type: ApplicationFiled: July 21, 2017Publication date: March 12, 2020Inventors: Luqiang GUO, Liugang ZHOU, Shou LI, Jianming WANG, Shuhuan YU, Chenxi LIU, Jian ZHANG
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Publication number: 20190340972Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.Type: ApplicationFiled: December 4, 2018Publication date: November 7, 2019Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei HAO, Feifei WANG, Luqiang GUO, Jieqiong WANG, Ziqiang GUO
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Patent number: 10467943Abstract: An apparatus for compensating a display defect of a display panel is disclosed. The apparatus includes: a first interface for receiving a display drive signal to be applied to the display panel, the display drive signal including display data for respective pixels of the display panel; a second interface for receiving a temperature signal associated with the display panel; a compensation unit configured to compensate display data for a pixel at a position of the display defect based at least on the temperature signal; and a third interface for outputting the compensated display data. Also disclosed is a method of compensating a display defect of a display panel.Type: GrantFiled: May 26, 2016Date of Patent: November 5, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Weihao Hu, Luqiang Guo, Zhiming Meng, Jinhui Cheng, Chao Zhang
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Patent number: 10447964Abstract: An interface conversion circuit, a display panel driving method and a display apparatus for realizing UHD image display at least by a LVDS interface together with an UHD display apparatus are provided. The interface conversion circuit comprises a low voltage differential signaling (LVDS) interface and a data format conversion module. The LVDS interface is configured to receive a LVDS signal from a LVDS signal source and transmit the LVDS signal to the data format conversion module. The data format conversion module is configured to convert the received LVDS signal into a digital video interface eDP signal.Type: GrantFiled: June 23, 2014Date of Patent: October 15, 2019Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.Inventors: Luqiang Guo, Zongze He, Weihao Hu