Patents by Inventor Ruilian LI
Ruilian LI 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: 11900856Abstract: The present disclosure relates to a protection circuit for a display device, a display device thereof, and a method for protecting a display device using a protection circuit. The display device includes a gate driving circuit, a level shift circuit, and a power management circuit. The level shift circuit is configured to provide an input signal to a signal input terminal of the gate driving circuit. The power management circuit is configured to provide power to the gate driving circuit. The protection circuit is configured to provide a power control signal to the power management circuit based on a current at the signal input terminal of the gate driving circuit, so that the power management circuit stops providing the power to the gate driving circuit.Type: GrantFiled: August 5, 2021Date of Patent: February 13, 2024Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jituo Tang, Kun Yang, Zhihua Sun, Feng Qu, Ming Deng, Ruilian Li, Tianxun Xiu, Zhun Lin
-
Patent number: 11645965Abstract: An image processing method includes: constructing an image data analysis model; obtaining a first gray level of at least one of a plurality of first sub-pixels, and second gray levels of at least two second sub-pixels corresponding to each of the at least one first sub-pixel; obtaining a first light transmittance corresponding to the first gray level of the at least one first sub-pixel, and second light transmittances corresponding to the second gray levels of the at least two second sub-pixels corresponding to each of the at least one first sub-pixel, and determining actual light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively according to the image data analysis model; and obtaining target light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively, and determining compensation gray levels corresponding to the at least two second sub-pixels according to the actual light transmittances correspondingType: GrantFiled: September 26, 2019Date of Patent: May 9, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shenghua Hu, Chunyang Nie, Ruilian Li, Xueqin Wei, Ke Dai
-
Publication number: 20230116630Abstract: An image processing method includes: constructing an image data analysis model; obtaining a first gray level of at least one of a plurality of first sub-pixels, and second gray levels of at least two second sub-pixels corresponding to each of the at least one first sub-pixel; obtaining a first light transmittance corresponding to the first gray level of the at least one first sub-pixel, and second light transmittances corresponding to the second gray levels of the at least two second sub-pixels corresponding to each of the at least one first sub-pixel, and determining actual light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively according to the image data analysis model; and obtaining target light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively, and determining compensation gray levels corresponding to the at least two second sub-pixels according to the actual light transmittances correspondingType: ApplicationFiled: September 26, 2019Publication date: April 13, 2023Inventors: Shenghua HU, Chunyang NIE, Ruilian LI, Xueqin WEI, Ke DAI
-
Patent number: 11610557Abstract: A method for improving a halo is applied to a display panel. The display panel includes a dimming sub-panel and a display sub-panel that are superposed. The dimming sub-panel includes a plurality of first pixels, the display sub-panel includes a plurality of second pixels, and each first pixel corresponds to at least two second pixels. The method for improving the halo includes: as for the first pixel: acquiring a second brightness datum of each of the at least two second pixels corresponding to the first pixel; calculating a target brightness datum of the first pixel according to second brightness data of the at least two second pixels; determining a first gray-scale datum of the first pixel according to the target brightness datum.Type: GrantFiled: October 15, 2019Date of Patent: March 21, 2023Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ruilian Li, Xueqin Wei, Lixin Zhu, Lei Shi, Chunyang Nie, Ke Dai
-
Publication number: 20230034489Abstract: The present disclosure relates to a protection circuit for a display device, a display device thereof, and a method for protecting a display device using a protection circuit. The display device includes a gate driving circuit, a level shift circuit, and a power management circuit. The level shift circuit is configured to provide an input signal to a signal input terminal of the gate driving circuit. The power management circuit is configured to provide power to the gate driving circuit. The protection circuit is configured to provide a power control signal to the power management circuit based on a current at the signal input terminal of the gate driving circuit, so that the power management circuit stops providing the power to the gate driving circuit.Type: ApplicationFiled: August 5, 2021Publication date: February 2, 2023Inventors: Jituo TANG, Kun YANG, Zhihua SUN, Feng Qu, Ming DENG, Ruilian LI, Tianxun XIU, Zhun LIN
-
Publication number: 20220319448Abstract: A method for improving a halo is applied to a display panel. The display panel includes a dimming sub-panel and a display sub-panel that are superposed. The dimming sub-panel includes a plurality of first pixels, the display sub-panel includes a plurality of second pixels, and each first pixel corresponds to at least two second pixels. The method for improving the halo includes: as for the first pixel: acquiring a second brightness datum of each of the at least two second pixels corresponding to the first pixel; calculating a target brightness datum of the first pixel according to second brightness data of the at least two second pixels; determining a first gray-scale datum of the first pixel according to the target brightness datum.Type: ApplicationFiled: October 15, 2019Publication date: October 6, 2022Inventors: Ruilian LI, Xueqin WEI, Lixin ZHU, Lei SHI, Chunyang NIE, Ke DAI
-
Patent number: 11322111Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.Type: GrantFiled: December 4, 2019Date of Patent: May 3, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xueqin Wei, Chunyang Nie, Ke Dai, Ruilian Li, Lixin Zhu, Bingbing Yan, Yan Yang, Wen Chieh Huang, Ching Hua Hung, Wei Sun, Rui Liu, Ming Chen
-
Patent number: 11316427Abstract: A voltage control circuit comprises a sampling sub-circuit and a control sub-circuit. The sampling sub-circuit is configured to detect a potential difference between an output voltage and an input voltage to obtain a first voltage and output the first voltage to the control sub-circuit. The control sub-circuit is configured to compare a magnitude of the first voltage with a first voltage threshold, if the first voltage is less than the first voltage threshold, output the input voltage as the output voltage, and, if the first voltage is greater than or equal to the first voltage threshold, superimpose and output the input voltage and a bootstrap voltage as the output voltage.Type: GrantFiled: March 30, 2020Date of Patent: April 26, 2022Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lixin Zhu, Chunyang Nie, Ke Dai, Lei Guo, Ruilian Li, Xueqin Wei
-
Patent number: 11069287Abstract: A driver control circuit and a display device are disclosed, where the driver control circuit includes: a first transistor with a first terminal connected with a supply voltage of a main loop, and a second terminal connected with a first ground terminal; and a first control component connected with a control terminal of the first transistor, and configured to control the first transistor to be in a state of incomplete conduction in amplification region, when the supply voltage of the main loop is powered on.Type: GrantFiled: October 28, 2019Date of Patent: July 20, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lixin Zhu, Ruilian Li, Lei Shi, Xueqin Wei, Bingbing Yan, Chunyang Nie, Ke Dai
-
Publication number: 20210201838Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.Type: ApplicationFiled: December 4, 2019Publication date: July 1, 2021Inventors: Xueqin WEI, Chunyang NIE, Ke DAI, Ruilian LI, Lixin ZHU, Bingbing YAN, Yan YANG, Wen Chieh HUANG, Ching Hua HUNG, Wei SUN, Rui LIU, Ming CHEN
-
Publication number: 20210119534Abstract: A voltage control circuit comprises a sampling sub-circuit and a control sub-circuit. The sampling sub-circuit is configured to detect a potential difference between an output voltage and an input voltage to obtain a first voltage and output the first voltage to the control sub-circuit. The control sub-circuit is configured to compare a magnitude of the first voltage with a first voltage threshold, if the first voltage is less than the first voltage threshold, output the input voltage as the output voltage, and, if the first voltage is greater than or equal to the first voltage threshold, superimpose and output the input voltage and a bootstrap voltage as the output voltage.Type: ApplicationFiled: March 30, 2020Publication date: April 22, 2021Inventors: Lixin ZHU, Chunyang NIE, Ke DAI, Lei GUO, Ruilian LI, Xueqin WEI
-
Patent number: 10930361Abstract: A voltage control circuit, a shift register unit, and a display device are provided. The voltage control circuit is applied to a shift register unit, the shift register unit includes a gate-driving-signal output end, and the voltage control circuit includes a discharge control end, a discharge circuit and a discharge voltage end. The discharge circuit is configured to, under control of a signal inputted by the discharge control end, control to electrically disconnect the gate-driving-signal output end from the discharge voltage end during a display period of a display screen, and control to electrically connect the gate-driving-signal output end to the discharge voltage end during a shutdown period of the display screen.Type: GrantFiled: June 19, 2019Date of Patent: February 23, 2021Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shenghua Hu, Chunyang Nie, Ke Dai, Kun Yang, Ruilian Li
-
Publication number: 20200219442Abstract: A driver control circuit and a display device are disclosed, where the driver control circuit includes: a first transistor with a first terminal connected with a supply voltage of a main loop, and a second terminal connected with a first ground terminal; and a first control component connected with a control terminal of the first transistor, and configured to control the first transistor to be in a state of incomplete conduction in amplification region, when the supply voltage of the main loop is powered on.Type: ApplicationFiled: October 28, 2019Publication date: July 9, 2020Inventors: Lixin ZHU, Ruilian Li, Lei Shi, Xueqin Wei, Bingbing Yan, Chunyang Nie, Ke Dai
-
Patent number: 10692464Abstract: A voltage supply unit includes a control circuit, a capacitor circuit and a unidirectionally-conductive circuit. The control circuit controls an output end of the control circuit to be electrically connected to a first input end or a second input end of the control circuit under the control of a voltage signal from a first voltage output end. The capacitor circuit controls a potential at a first input end. When a difference between a first level and a potential at the first input end is greater than or equal to a predetermined on-state voltage, the unidirectionally-conductive circuit allows a unidirectional current flowing from a first level end to a first end thereof, and when the difference between the first level and the potential at the first input end is smaller than the predetermined on-state voltage, controls the first level end to be electrically disconnected from the first input end.Type: GrantFiled: June 26, 2019Date of Patent: June 23, 2020Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kun Yang, Chunyang Nie, Ke Dai, Lei Guo, Shenghua Hu, Ruilian Li
-
Publication number: 20200135135Abstract: A voltage supply unit includes a control circuit, a capacitor circuit and a unidirectionally-conductive circuit. The control circuit controls an output end of the control circuit to be electrically connected to a first input end or a second input end of the control circuit under the control of a voltage signal from a first voltage output end. The capacitor circuit controls a potential at a first input end. When a difference between a first level and a potential at the first input end is greater than or equal to a predetermined on-state voltage, the unidirectionally-conductive circuit allows a unidirectional current flowing from a first level end to a first end thereof, and when the difference between the first level and the potential at the first input end is smaller than the predetermined on-state voltage, controls the first level end to be electrically disconnected from the first input end.Type: ApplicationFiled: June 26, 2019Publication date: April 30, 2020Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kun Yang, Chunyang Nie, Ke Dai, Lei Guo, Shenghua Hu, Ruilian Li
-
Publication number: 20200082896Abstract: A voltage control circuit, a shift register unit, and a display device are provided. The voltage control circuit is applied to a shift register unit, the shift register unit includes a gate-driving-signal output end, and the voltage control circuit includes a discharge control end, a discharge circuit and a discharge voltage end. The discharge circuit is configured to, under control of a signal inputted by the discharge control end, control to electrically disconnect the gate-driving-signal output end from the discharge voltage end during a display period of a display screen, and control to electrically connect the gate-driving-signal output end to the discharge voltage end during a shutdown period of the display screen.Type: ApplicationFiled: June 19, 2019Publication date: March 12, 2020Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shenghua HU, Chunyang NIE, Ke DAI, Kun YANG, Ruilian LI