Patents by Inventor Chengqi Zhou
Chengqi Zhou 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: 11210765Abstract: An image processing method and device, storage medium and computer device are provided. The method includes: generating an original gray scale image of an original image; performing a histogram equalization process on the original gray scale image to obtain an equalized gray scale image; generating decision factor distribution image, wherein the decision factor distribution image includes a first marked region including a region where pixels that are adjacent in position and have standard deviations smaller than set value in the original image are located, and second marked region; obtaining final gray scale image according to original gray scale image, equalized gray scale image and decision factor distribution image. Gray scale values of pixel corresponding to second marked region and first marked region in final gray scale image are respectively gray scale values of corresponding pixel in equalized gray scale image and original gray scale image; and restoring a processed image.Type: GrantFiled: April 24, 2018Date of Patent: December 28, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jun Guo, Xibin Shao, Chengqi Zhou, Ming Chen, Shou Li, Jieqiong Wang
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Patent number: 11132962Abstract: The present disclosure describes a data transmission method, a timing controller, a source driver, and a data transmission system. The method includes: when the timing controller transmits data to the source driver at a speed n times a preset speed, the timing controller suspends transmission of valid data with the source driver after completing transmission of a first data packet; and the transmission of valid data with the source driver is resumed at a transmitting time of a second data packet; the first data packet and the second data packet each includes valid data of a row of sub-pixels, or each includes valid data of a frame. The present disclosure completes the transmission of the first data packet in advance by increasing the transmission speed, then suspends the data transmission, and resumes the data transmission at the transmitting time of the second data packet, thereby reducing the power consumption.Type: GrantFiled: June 4, 2018Date of Patent: September 28, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Zhu, Xin Wang, Xibin Shao, Ming Chen, Jieqiong Wang, Xin Duan, Chengqi Zhou
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Patent number: 11081081Abstract: A color gamut conversion method, a color gamut converter, a display device, an image signal conversion method, a computer device and a non-transitory storage medium are disclosed. The method includes: acquiring RGB signals and a preset grayscale value of a white subpixel in each pixel of a converted image according to grayscale values of monochromatic subpixels in each pixel of an original image corresponding to the RGB signals, the converted image is obtained by converting the original image from an RGB gamut to an RGBW gamut; and acquiring a target grayscale value of the white subpixel at least according to a first maximum grayscale of the white subpixels and the preset grayscale. As for a first saturation color patch in the original image, a first maximum grayscale of a white subpixel corresponding to each pixel in the first saturation color patch is equal to a grayscale threshold.Type: GrantFiled: June 12, 2019Date of Patent: August 3, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Li, Tiankuo Shi, Zhihua Ji, Chuan Shuai, Lingyun Shi, Xiaomang Zhang, Yifang Chu, Chengqi Zhou, Chuanjun Liu, Zhou Sun, Yilang Sun
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Publication number: 20210224954Abstract: An image processing method and device, storage medium and computer device are provided. The method includes: generating an original gray scale image of an original image; performing a histogram equalization process on the original gray scale image to obtain an equalized gray scale image; generating decision factor distribution image, wherein the decision factor distribution image includes a first marked region including a region where pixels that are adjacent in position and have standard deviations smaller than set value in the original image are located, and second marked region; obtaining final gray scale image according to original gray scale image, equalized gray scale image and decision factor distribution image. Gray scale values of pixel corresponding to second marked region and first marked region in final gray scale image are respectively gray scale values of corresponding pixel in equalized gray scale image and original gray scale image; and restoring a processed image.Type: ApplicationFiled: April 24, 2018Publication date: July 22, 2021Inventors: Jun GUO, Xibin SHAO, Chengqi ZHOU, Ming CHEN, Shou LI, Jieqiong WANG
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Patent number: 10971048Abstract: The present disclosure relates to a method and device for transmitting a signal in a display device. The display device comprises a timing controller and a source driver. The method is applied to any of a plurality of transmitting units of the timing controller. The plurality of transmitting units correspond to a plurality of receiving units of the source driver in a one-to-one relationship. The method comprises: obtaining a scrambled signal by scrambling, via a scrambler of the transmitting unit, a non-identification signal in a signal to be transmitted, the scrambled signal comprising an identification signal and a scrambled non-identification signal; and transmitting the scrambled signal to a corresponding receiving unit. A signal obtained by scrambling a signal X via the scrambler is X16+X5+X4+X3+1, X24+X4+X3+X+1 or X32+X7+X5+X3+X2+X+1. The present disclosure reduces distortion of an image displayed on a display panel.Type: GrantFiled: June 4, 2018Date of Patent: April 6, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengqi Zhou, Xin Duan, Hao Zhu, Jieqiong Wang, Ming Chen, Shou Li
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Patent number: 10937347Abstract: The present disclosure relates to a signal detection method and component, as well as a display device. The display device includes a timing controller and a source driver. The source driver receives a test code stream from the timing controller, which is obtained through encoding of an initial code stream by the timing controller, the initial code stream representing a test signal. The source driver decodes the test code stream. When the decoded code stream is different from the initial code stream, configuration information of the source driver is acquired. The configuration information is transmitted to the timing controller, and is adjusted according to reference information of the timing controller when it does not match with the reference information. The source driver receives adjusted configuration information transmitted by the timing controller, and then receives a subsequently transmitted signal according to the adjusted configuration information.Type: GrantFiled: June 4, 2018Date of Patent: March 2, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yifang Chu, Hao Zhu, Xin Duan, Jun Guo, Chengqi Zhou, Jieqiong Wang, Ming Chen
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Patent number: 10923070Abstract: A signal transmission method and related timing controller, source driver and display device are disclosed. The method includes scrambling a signal to be transmitted by a transmitting unit to obtain a scrambled signal. Each frame of the scrambled signal includes at least one first identification signal sequentially arranged in time domain, and a number of the first identification signals in the scrambled signal is equal to a number of the first identification signals in the scrambled signals of other transmitting units in the plurality of transmitting units. The method includes transmitting the scrambled signal to a corresponding receiving unit, where the first identification signal is configured to indicate linear feedback shift registers of the transmitting unit and the corresponding receiving unit to perform a reset operation, and after each collective reset operation is completed, the corresponding receiving unit outputs a display signal to the display panel.Type: GrantFiled: June 4, 2018Date of Patent: February 16, 2021Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengqi Zhou, Xin Wang, Xin Duan, Hao Zhu, Jieqiong Wang, Ming Chen
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Patent number: 10789908Abstract: A refresh rate adjustment method and circuit, a display device, and a storage medium, which pertains to the field of display technologies. The method includes acquiring a current driving refresh rate of a driving apparatus; determining whether the driving refresh rate is less than a driving refresh rate threshold; in response to the driving refresh rate being less than the driving refresh rate threshold, adjusting a display refresh rate of a display device, so that an adjusted display refresh rate is P times the driving refresh rate, and the adjusted display refresh rate is greater than the driving refresh rate threshold, where P is an integer greater than one.Type: GrantFiled: June 4, 2018Date of Patent: September 29, 2020Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Zhu, Xin Duan, Xibin Shao, Ming Chen, Jieqiong Wang, Yifang Chu, Chengqi Zhou
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Publication number: 20200202802Abstract: The present disclosure describes a data transmission method, a timing controller, a source driver, and a data transmission system. The method includes: when the timing controller transmits data to the source driver at a speed n times a preset speed, the timing controller suspends transmission of valid data with the source driver after completing transmission of a first data packet; and the transmission of valid data with the source driver is resumed at a transmitting time of a second data packet; the first data packet and the second data packet each includes valid data of a row of sub-pixels, or each includes valid data of a frame. The present disclosure completes the transmission of the first data packet in advance by increasing the transmission speed, then suspends the data transmission, and resumes the data transmission at the transmitting time of the second data packet, thereby reducing the power consumption.Type: ApplicationFiled: June 4, 2018Publication date: June 25, 2020Inventors: Hao ZHU, Xin WANG, Xibin SHAO, Ming CHEN, Jieqiong WANG, Xin DUAN, Chengqi ZHOU
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Publication number: 20200175943Abstract: A color gamut conversion method, a color gamut converter, a display device, an image signal conversion method, a computer device and a non-transitory storage medium are disclosed. The method includes: acquiring RGB signals and a preset grayscale value of a white subpixel in each pixel of a converted image according to grayscale values of monochromatic subpixels in each pixel of an original image corresponding to the RGB signals, the converted image is obtained by converting the original image from an RGB gamut to an RGBW gamut; and acquiring a target grayscale value of the white subpixel at least according to a first maximum grayscale of the white subpixels and the preset grayscale. As for a first saturation color patch in the original image, a first maximum grayscale of a white subpixel corresponding to each pixel in the first saturation color patch is equal to a grayscale threshold.Type: ApplicationFiled: June 12, 2019Publication date: June 4, 2020Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue LI, Tiankuo SHI, Zhihua JI, Chuan SHUAI, Lingyun SHI, Xiaomang ZHANG, Yifang CHU, Chengqi ZHOU, Chuanjun LIU, Zhou SUN, Yilang SUN
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Patent number: 10663778Abstract: This disclosure relates to a liquid crystal display and a display device. A plurality of photosensitive detectors is arranged in the frame region of the liquid crystal display panel. Light intensity distribution in the display region is estimated by a light intensity estimation module based on the light intensity detected by each photosensitive detector. Light intensity in a position corresponding to each light emitting pixel of the backlight source is determined based on the light intensity distribution in the display region estimated by the light intensity estimation module. Depending on the determined light intensity in a position corresponding to each light emitting pixel of the backlight source, luminance of the light emitting pixel in this corresponding position is controlled by a backlight driving circuit.Type: GrantFiled: July 21, 2016Date of Patent: May 26, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengqi Zhou, Hong Wang, Yifang Chu, Chulgyu Jung, Shou Li
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Publication number: 20200143721Abstract: The present disclosure relates to a signal detection method and component, as well as a display device. The display device includes a timing controller and a source driver. The source driver receives a test code stream from the timing controller, which is obtained through encoding of an initial code stream by the timing controller, the initial code stream representing a test signal. The source driver decodes the test code stream. When the decoded code stream is different from the initial code stream, configuration information of the source driver is acquired. The configuration information is transmitted to the timing controller, and is adjusted according to reference information of the timing controller when it does not match with the reference information. The source driver receives adjusted configuration information transmitted by the timing controller, and then receives a subsequently transmitted signal according to the adjusted configuration information.Type: ApplicationFiled: June 4, 2018Publication date: May 7, 2020Inventors: Yifang CHU, Hao ZHU, Xin DUAN, Jun GUO, Chengqi ZHOU, Jieqiong WANG, Ming CHEN
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Publication number: 20200135080Abstract: The present disclosure relates to a method and device for transmitting a signal in a display device. The display device comprises a timing controller and a source driver. The method is applied to any of a plurality of transmitting units of the timing controller. The plurality of transmitting units correspond to a plurality of receiving units of the source driver in a one-to-one relationship. The method comprises: obtaining a scrambled signal by scrambling, via a scrambler of the transmitting unit, a non-identification signal in a signal to be transmitted, the scrambled signal comprising an identification signal and a scrambled non-identification signal; and transmitting the scrambled signal to a corresponding receiving unit. A signal obtained by scrambling a signal X via the scrambler is X16+X5+X4+X3+1, X24+X4+X3+X+1 or X32+X7+X5+X3+X2+X+1. The present disclosure reduces distortion of an image displayed on a display panel.Type: ApplicationFiled: June 4, 2018Publication date: April 30, 2020Inventors: Chengqi ZHOU, Xin DUAN, Hao ZHU, Jieqiong WANG, Ming CHEN, Shou LI
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Publication number: 20200090620Abstract: A signal transmission method and related timing controller, source driver and display device are disclosed. The method includes scrambling a signal to be transmitted by a transmitting unit to obtain a scrambled signal. Each frame of the scrambled signal includes at least one first identification signal sequentially arranged in time domain, and a number of the first identification signals in the scrambled signal is equal to a number of the first identification signals in the scrambled signals of other transmitting units in the plurality of transmitting units. The method includes transmitting the scrambled signal to a corresponding receiving unit, where the first identification signal is configured to indicate linear feedback shift registers of the transmitting unit and the corresponding receiving unit to perform a reset operation, and after each collective reset operation is completed, the corresponding receiving unit outputs a display signal to the display panel.Type: ApplicationFiled: June 4, 2018Publication date: March 19, 2020Inventors: Chengqi ZHOU, Xin WANG, Xin DUAN, Hao ZHU, Jieqiong WANG, Ming CHEN
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Patent number: 10572986Abstract: The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.Type: GrantFiled: June 21, 2018Date of Patent: February 25, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Chengqi Zhou, Jun Guo, Xin Duan, Xiaomang Zhang, Jieqiong Wang, Ming Chen
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Patent number: 10547392Abstract: Embodiments of the present disclosure relate to a method and apparatus for transmitting an image. The method includes converting, by a first device, an image to be transmitted into a number of sets of feature data according to a preset conversion rule; performing, by the first device, music composition according to preset music composition rules to obtain a music in accordance with musical tone rules through making each set of the number of sets of feature data correspond to one musical element; and playing, by the first device, the music to a second device. An image transmission manner utilizing a sound wave that is hearable to the human ear may be implemented.Type: GrantFiled: September 16, 2015Date of Patent: January 28, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengqi Zhou, Hong Wang
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Patent number: 10462379Abstract: A driving method and a driving apparatus of a high dynamic range display screen, and a display screen. The driving method includes: acquiring image data to be displayed; determining a local backlight brightness of each region in a backlight module according to the image data to be displayed; adjusting pixel brightness corresponding to the image data to be displayed according to the local backlight brightness and a maximum backlight bright in the backlight module; and carrying out display according to the adjusted brightness and the determined local backlight brightness of each region.Type: GrantFiled: February 6, 2017Date of Patent: October 29, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: Chengqi Zhou, Yifang Chu, Shou Li
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Patent number: 10388231Abstract: The present disclosure provides a method for controlling a display device, a control apparatus for a display device, and a display device comprising the control apparatus. The method for controlling a display device may comprise the steps of: determining whether or not to perform peak driving for respective backlight sub-regions of the display device, the backlight sub-regions corresponding to sub-display areas of the display device; and performing, in response to a result of the above determining step, data signal compensation at least for sub-display areas whose average luminance values are lower than a preset first luminance threshold among the sub-display areas to which the backlight sub-regions that are determined to be subjected to peak driving correspond.Type: GrantFiled: January 5, 2017Date of Patent: August 20, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chengqi Zhou, Yifang Chu, Chengte Lai, Shou Li, Chulgyu Jung
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Publication number: 20190206034Abstract: The present disclosure discloses an image enhancement method and device. The method comprises: performing logarithm related processing on a grayscale value matrix Y of an original image to obtain a logarithmic matrix L_LOG; quantizing the logarithmic matrix L_LOG to obtain a quantized matrix Y_RE; and obtaining an enhanced image of the original image according to the quantized matrix Y_RE, wherein quantizing the logarithmic matrix L_LOG comprises: when the logarithmic matrix L_LOG is quantized to be within a grayscale range of a certain depth, causing a zero point of the logarithmic matrix L_LOG to be close to an average value of the grayscale value matrix Y.Type: ApplicationFiled: June 21, 2018Publication date: July 4, 2019Inventors: Chengqi Zhou, Jun Guo, Xin Duan, Xiaomang Zhang, Jieqiong Wang, Ming Chen
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Publication number: 20190180713Abstract: A refresh rate adjustment method and circuit, a display device, and a storage medium, which pertains to the field of display technologies. The method includes acquiring a current driving refresh rate of a driving apparatus; determining whether the driving refresh rate is less than a driving refresh rate threshold; in response to the driving refresh rate being less than the driving refresh rate threshold, adjusting a display refresh rate of a display device, so that an adjusted display refresh rate is P times the driving refresh rate, and the adjusted display refresh rate is greater than the driving refresh rate threshold, where P is an integer greater than one.Type: ApplicationFiled: June 4, 2018Publication date: June 13, 2019Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao ZHU, Xin DUAN, Xibin SHAO, Ming CHEN, Jieqiong WANG, Yifang CHU, Chengqi ZHOU