Patents by Inventor Mingi CHU
Mingi CHU 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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Publication number: 20220392993Abstract: Provided in the present disclosure are a display substrate and a display device. In the display substrate, at least a portion of a cathode is located in a display region; at least one driver chip is located in a non-display region; a first power supply signal line pattern is located in the non-display region and arranged on at least one side of the display region. The first power supply signal line pattern comprises a first transmission portion and a first wire inlet portion electrically connected to the first transmission portion. The first transmission portion extends in a first direction, and is electrically connected to the cathode. The first wire inlet portion extends in a second direction intersecting with the first direction. The first wire inlet portion is electrically connected to the at least one driver chip.Type: ApplicationFiled: August 12, 2021Publication date: December 8, 2022Inventors: Guoying WANG, Yicheng LIN, Ying HAN, Mingi CHU, Pan XU, Xing ZHANG
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Patent number: 11348515Abstract: A pixel compensation method, a pixel compensation device and a display device. The pixel compensation method includes: generating, according to grayscale data and compensation value of a sub-pixel in a current detection period, a source voltage signal to control light-emitting brightness of the sub-pixel; generating a sensing value according to the light-emitting brightness of the sub-pixel; and determining a compensation value of the sub-pixel in next detection period, according to the grayscale data, the compensation value, and the sensing value of the sub-pixel in the current detection period.Type: GrantFiled: January 8, 2020Date of Patent: May 31, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei Yang, Mingi Chu
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Patent number: 11328688Abstract: The present disclosure relates to a pixel compensation method and device, a storage medium, and a display screen, and belongs to the field of display technologies. The method includes: sensing a plurality of subpixels in a first target grayscale of a display screen by using a plurality of photosensitive units, to obtain an actual luminance value of each subpixel; determining a theoretical luminance value of each subpixel in the first target grayscale based on a compensation sensing model, where the compensation sensing model is used to record a correspondence between target grayscales and theoretical pixel data, and the theoretical pixel data includes a reference luminance value of each subpixel; and performing pixel compensation on each subpixel based on the actual luminance value of each subpixel and the theoretical luminance value of each subpixel.Type: GrantFiled: December 23, 2019Date of Patent: May 10, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingi Chu, Yicheng Lin
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Patent number: 11205376Abstract: A display compensation method for a display panel, a display compensation device, a display device and a storage medium. The display compensation method includes: acquiring compensation data of i pixels adjacent to the target pixel of the display panel respectively; deleting deviation data from the compensation data of i pixels; calculating the compensation data of the target pixel according to the remaining compensation data; i is an integer greater than 2.Type: GrantFiled: March 6, 2019Date of Patent: December 21, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingi Chu, Lirong Wang
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Patent number: 11176867Abstract: Disclosed are a chroma compensation method and apparatus, a display device and a storage medium. The chroma compensation method includes: acquiring an initial color of a display sub-pixel in a target pixel unit under a target luminance, and a target color of the target pixel unit under the target luminance, the target pixel unit including: at least two display sub-pixels of different light colors; acquiring a complementary color gain of each of the display sub-pixels under the target luminance based on the target color and the initial color of each of the display sub-pixels; and compensating for chrominance of the target pixel unit based on the complementary color gain of each of the display sub-pixels under the target luminance.Type: GrantFiled: April 15, 2019Date of Patent: November 16, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei Yang, Mingi Chu, Lirong Wang
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Publication number: 20210347639Abstract: A method for producing a bis(fluorosulfonyl)imide lithium salt is disclosed. The method includes the steps of: (a) reacting bis(chlorosulfonyl)imide with NH4F(HF)n (n=0-10) to prepare ammonium bis(fluorosulfonyl)imide; and (b) reacting the ammonium bis(fluorosulfonyl)imide with a lithium base, wherein in at least one of steps (a) and (b), after the reaction, a process of adding an alkoxy trialkyl silane to the reaction solution to remove a fluorine anion is performed.Type: ApplicationFiled: September 4, 2019Publication date: November 11, 2021Applicant: DAEGU CATHOLIC UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: Sang Ryul LEE, Kyoung Chol KIM, Ja Young PARK, Ji Hyeong KIM, Jeong In KIM, Seok Ju LEE, Jongyun JANG, Seongjeong LEE, Mingi CHU, Dong Wook KANG
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Patent number: 11170718Abstract: A display panel, a display device, and a compensating method are disclosed. The display panel includes: a plurality of sub-pixels arranged in rows and columns, a plurality of data lines connected to the plurality of sub-pixels, and a plurality of sensing driving lines connected to the plurality of sub-pixels, each of plurality of the sub-pixels includes a pixel circuit; the plurality of sub-pixels constitute a plurality of pixel units, the plurality of pixel units are arranged in a plurality of rows and a plurality of columns, and each of the plurality of pixel units includes four sub-pixels; pixel circuits of the four sub-pixels are connected to a same data line of the plurality of data lines; and the pixel circuits of the four sub-pixels are connected to four sensing driving lines of the plurality of sensing driving lines in a one-to-one correspondence manner.Type: GrantFiled: April 3, 2020Date of Patent: November 9, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yi Cheng Lin, Quanhu Li, Cuili Gai, Yu Wang, Mingi Chu, Chien Pang Huang
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Patent number: 11087688Abstract: Embodiments of the present disclosure provide a driving method for a pixel circuit. The pixel circuit includes a light emitting device and a drive transistor. The method includes: compensating the drive transistor in a first compensation manner including an internal voltage compensation during an operation period of the light emitting device; and compensating the drive transistor in a second compensation manner including the internal voltage compensation and an external voltage compensation during a non-operation period of the light emitting device.Type: GrantFiled: December 15, 2017Date of Patent: August 10, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yi-Cheng Lin, Guang Yan, Quanhu Li, Mingi Chu
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Publication number: 20210241694Abstract: The present disclosure provides a light-emitting circuit, an illumining method thereof, a drive sub-circuit, a drive circuit, a display panel, and a display device. The light-emitting circuit includes N light-emitting layers and N+1 electrode layers, wherein the N light-emitting layers and the N+1 electrode layers are arranged in a laminated manner, and an nth light-emitting layer is provided between an nth electrode layer and an (n+1)th electrode layer; and N is an integer greater than 1, and n is a positive integer less than or equal to N.Type: ApplicationFiled: April 27, 2020Publication date: August 5, 2021Inventors: Mingi CHU, Chinlung LIAO, Changyen WU, Fei YANG
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Publication number: 20210225272Abstract: A pixel compensation method, a pixel compensation device and a display device. The pixel compensation method includes: generating, according to grayscale data and compensation value of a sub-pixel in a current detection period, a source voltage signal to control light-emitting brightness of the sub-pixel; generating a sensing value according to the light-emitting brightness of the sub-pixel; and determining a compensation value of the sub-pixel in next detection period, according to the grayscale data, the compensation value, and the sensing value of the sub-pixel in the current detection period.Type: ApplicationFiled: January 8, 2020Publication date: July 22, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei YANG, Mingi CHU
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Publication number: 20210225274Abstract: A display compensation method for a display panel, a display compensation device, a display device and a storage medium. The display compensation method includes: acquiring compensation data of i pixels adjacent to the target pixel of the display panel respectively; deleting deviation data from the compensation data of i pixels; calculating the compensation data of the target pixel according to the remaining compensation data; i is an integer greater than 2.Type: ApplicationFiled: March 6, 2019Publication date: July 22, 2021Inventors: Mingi CHU, Lirong WANG
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Publication number: 20210225325Abstract: The present disclosure relates to a pixel compensation method and device, a storage medium, and a display screen, and belongs to the field of display technologies. The method includes: sensing a plurality of subpixels in a first target grayscale of a display screen by using a plurality of photosensitive units, to obtain an actual luminance value of each subpixel; determining a theoretical luminance value of each subpixel in the first target grayscale based on a compensation sensing model, where the compensation sensing model is used to record a correspondence between target grayscales and theoretical pixel data, and the theoretical pixel data includes a reference luminance value of each subpixel; and performing pixel compensation on each subpixel based on the actual luminance value of each subpixel and the theoretical luminance value of each subpixel.Type: ApplicationFiled: December 23, 2019Publication date: July 22, 2021Inventors: Mingi Chu, Yicheng Lin
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Patent number: 11024259Abstract: A pixel compensation method, a pixel compensation apparatus and a pixel compensation system are disclosed. The pixel compensation method includes: sampling pixel values of an image to be displayed on a display screen to obtain target sampling data; transmitting the target sampling data; receiving pixel compensation data, wherein the pixel compensation data is determined according to an aging duration of the display screen which is determined based on the target sampling data; and compensating for the pixel values of the image to be displayed on the display screen based on the pixel compensation data. The pixel compensation method includes: receiving target sampling data obtained by sampling pixel values of an image to be displayed on a display screen; determining an aging duration of the display screen based on the target sampling data; determining pixel compensation data based on the aging duration; and transmitting the pixel compensation data.Type: GrantFiled: May 31, 2019Date of Patent: June 1, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingi Chu, Fei Yang, Yi Chen, Yu Wang, Lirong Wang
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Patent number: 11017713Abstract: The present disclosure relates to the field of display technologies, and provides a pixel circuit including: a display pixel driving circuit, a sensing line, and at least one non-display pixel driving circuit. The display pixel driving circuit is configured to drive a display sub-pixel, and includes a first driving transistor. The sensing line is coupled to an output end of the first driving transistor, and configured to sense a current of an output end of the first driving transistor; each of the non-display pixel driving circuits is configured to drive one non-display sub-pixel, and the non-display pixel driving circuit includes a second driving transistor. An output end of the second driving transistor is coupled to the sensing line to input a compensation current to the sensing line.Type: GrantFiled: May 10, 2019Date of Patent: May 25, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mingi Chu, Zhongyuan Wu
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Publication number: 20210150963Abstract: Disclosed are a chroma compensation method and apparatus, a display device and a storage medium. The chroma compensation method includes: acquiring an initial color of a display sub-pixel in a target pixel unit under a target luminance, and a target color of the target pixel unit under the target luminance, the target pixel unit including: at least two display sub-pixels of different light colors; acquiring a complementary color gain of each of the display sub-pixels under the target luminance based on the target color and the initial color of each of the display sub-pixels; and compensating for chrominance of the target pixel unit based on the complementary color gain of each of the display sub-pixels under the target luminance.Type: ApplicationFiled: April 15, 2019Publication date: May 20, 2021Inventors: Fei Yang, Mingi Chu, Lirong Wang
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Patent number: 11011118Abstract: The present application discloses a pixel-driving circuit in a display panel. The pixel-driving circuit includes a first transistor being provided with a fixed voltage, a driving transistor having a gate configured to receive the fixed voltage controlled by the first transistor and a drain coupled to a first power supply, a capacitor coupled between the gate and a source of the driving transistor, a light-emitting device coupled to the source and a second power supply, a second transistor having a drain coupled to the source of the driving transistor and a source coupled to a data line, a sensing sub-circuit coupled to the data line in a first period, and a driving sub-circuit coupled to the data line in a second period. The sensing sub-circuit and the driving sub-circuit are configured to connect to the data line in a time-divisional manner respectively for sensing and compensating the pixel-driving circuit.Type: GrantFiled: November 30, 2017Date of Patent: May 18, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yicheng Lin, Quanhu Li, Guang Yan, Yu Wang, Cuili Gai, Mingi Chu
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Patent number: 10997898Abstract: The present disclosure provides a compensation method for a display panel, a compensation system for a display panel, and a display device. The display panel includes a plurality of sub-pixels, and the compensation method includes: respectively determining a current aging degree coefficient of each sub-pixel according to historical display data of the sub-pixel; and, for each sub-pixel, performing aging compensation on the sub-pixel according to the current aging degree coefficient of the sub-pixel when a current frame is displayed. The present disclosure further provides a compensation system for a display panel, and a display device.Type: GrantFiled: August 31, 2020Date of Patent: May 4, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lirong Wang, Fei Yang, Yi Chen, Yu Wang, Mingi Chu
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Patent number: 10971050Abstract: The present application discloses a method for driving a display panel for displaying images. The method includes determining multiple subpixels in a bright area of an image to be displayed by the display panel. The bright area is an image display area having a luminance value maintained greater than a threshold luminance value for a duration longer than a threshold duration. Additionally, the method includes driving the multiple subpixels to emit light alternatingly in a period of alternate light-emission for displaying the image. Furthermore, the method includes driving all adjacent subpixels surrounding any one subpixel that is not emitting light during the period of alternate light-emission to provide luminance rendering to the one subpixel such that the luminance value of the bright area is greater than the threshold luminance value.Type: GrantFiled: December 11, 2017Date of Patent: April 6, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yicheng Lin, Mingi Chu
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Patent number: 10930195Abstract: The present application discloses a method for driving a display panel for displaying images. The method includes determining multiple subpixels in a bright area of an image to be displayed by the display panel. The bright area is an image display area having a luminance value maintained greater than a threshold luminance value for a duration longer than a threshold duration. Additionally, the method includes driving the multiple subpixels to emit light alternatingly in a period of alternate light-emission for displaying the image. Furthermore, the method includes driving all adjacent subpixels surrounding any one subpixel that is not emitting light during the period of alternate light-emission to provide luminance rendering to the one subpixel such that the luminance value of the bright area is greater than the threshold luminance value.Type: GrantFiled: December 11, 2017Date of Patent: February 23, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yicheng Lin, Mingi Chu
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Publication number: 20200402446Abstract: The present disclosure provides a compensation method for a display panel, a compensation system for a display panel, and a display device. The display panel includes a plurality of sub-pixels, and the compensation method includes: respectively determining a current aging degree coefficient of each sub-pixel according to historical display data of the sub-pixel; and, for each sub-pixel, performing aging compensation on the sub-pixel according to the current aging degree coefficient of the sub-pixel when a current frame is displayed. The present disclosure further provides a compensation system for a display panel, and a display device.Type: ApplicationFiled: August 31, 2020Publication date: December 24, 2020Inventors: Lirong WANG, Fei YANG, Yi CHEN, Yu WANG, Mingi CHU