Patents by Inventor Minghua XUAN
Minghua XUAN 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: 20240331634Abstract: A pixel driving circuit includes a first circuit and a second circuit. The first circuit is configured to provide a driving current to a light emitting element under the control of the second circuit; the second circuit is configured to receive a digital selection signal from at least one digital selection signal line, receive a digital data signal from at least one digital data signal line, and control a frequency and duration of the driving current received by the light emitting element during one frame of image, thereby controlling tahe grayscale of a sub-pixel having the light emitting element.Type: ApplicationFiled: May 9, 2024Publication date: October 3, 2024Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD., Beijing BOE Technology Development Co., Ltd.Inventors: Ning Cong, Can Zhang, Minghua Xuan, Jinfei Niu, Can Wang, Jingjing Zhang, Jiakui Yan
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Publication number: 20240321186Abstract: An array substrate has a display area and includes at least one pixel group, at least one pixel circuit group and at least one shift register circuit. The at least one pixel group is disposed in the display area. Each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group. Each pixel circuit group includes at least one pixel driving sub-circuit group. A shift register circuit is disposed between two rows of pixels or two columns of pixels that are different from two rows of pixels or two columns of pixels between which a pixel driving sub-circuit group is disposed.Type: ApplicationFiled: May 31, 2024Publication date: September 26, 2024Inventors: Jiao ZHAO, Li XIAO, Minghua XUAN, Haoliang ZHENG, Dongni LIU, Jing LIU, Qi QI, Zhenyu ZHANG, Liang CHEN, Hao CHEN, Lijun YUAN
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Publication number: 20240304136Abstract: Disclosed are an array substrate, a detection method for the array substrate, and a splicing display panel. In the array substrate, each of pixels (1) includes sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) includes at least one inorganic light-emitting diode; a display area (A1) further includes: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.Type: ApplicationFiled: May 14, 2024Publication date: September 12, 2024Inventors: Hao CHEN, Zhenyu ZHANG, Jiao ZHAO, Li XIAO, Dongni LIU, Haoliang ZHENG, Liang CHEN, Minghua XUAN, Ming YANG, Xinhong LU, Qi QI
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Publication number: 20240296782Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method therefor and a display apparatus. The pixel circuit includes: an input circuit, configured to input data signals loaded to a first data signal terminal into corresponding input nodes in response to signals loaded to 2N?1 first scanning signal terminals; a control circuit, configured to control signals of 2N control nodes respectively in response to signals of at least two input nodes in the 2N?1 input nodes; an output circuit, configured to provide a signal of an men selection control signal terminal in 2N selection control signal terminals to an output node in response to a signal of an mth control node in the 2N control nodes; and a light-emitting drive circuit, configured to drive a to-be-driven device to work in response to a signal of the output node.Type: ApplicationFiled: June 22, 2022Publication date: September 5, 2024Inventors: Ning CONG, Minghua XUAN, Can ZHANG, Can WANG, Jinfei NIU, Jingjing ZHANG, SeungWoo HAN
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Publication number: 20240296780Abstract: Provided are a pixel circuit and a driving method therefor, a display substrate, and a display apparatus, which belong to the technical field of display. In the pixel circuit, a light-emission adjusting circuit can adjust a data signal written by a data write circuit into a first node and can adjust the potential of a second node according to the potential of the first node; and a light-emission control circuit can output a reference signal to a third node under the control of the potential of the second node. Furthermore, a light emission driving circuit needs to output a drive signal to a light-emitting element in response to the potential of the third node, so as to drive the light-emitting element to emit light.Type: ApplicationFiled: June 8, 2021Publication date: September 5, 2024Inventors: Ning CONG, Minghua XUAN, Can ZHANG, Xiaochuan CHEN, Lijun YUAN, Qi QI, Can WANG, Jinfei NIU
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Publication number: 20240297176Abstract: An array baseplate and a preparation method thereof, and a display device. The array baseplate includes: a substrate; a drive unit disposed on one side of the substrate; and a light-emitting unit including at least one light-emitting subunit and disposed on a side of the substrate away from the drive unit, wherein the light-emitting unit is electrically connected to the drive unit through a wiring penetrating the substrate, and at least part area of each light-emitting subunit is in direct contact with the substrate. The light-emitting unit and the drive unit in the array baseplate are located on two sides of the substrate, and at least part area of the light-emitting subunit is in direct contact with the substrate.Type: ApplicationFiled: June 15, 2022Publication date: September 5, 2024Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Zhang, Xinxin Zhao, Ning Cong, Minghua Xuan, Xiaochuan Chen
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Patent number: 12080229Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.Type: GrantFiled: September 19, 2023Date of Patent: September 3, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Minghua Xuan, Dongni Liu, Qi Qi, Jing Liu, Han Yue
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Patent number: 12073762Abstract: The pixel driving circuit includes a current control sub-circuit configured to output a gray scale current signal to an element to be driven, and a gating sub-circuit. The gating sub-circuit is coupled to a scan signal terminal, a reset signal terminal, a gating data signal terminal and a pulse voltage signal terminal; the gating sub-circuit is configured to drive the element to be driven to continuously emit light under the control of a scan signal from the scan signal terminal and a gating data signal from the gating data signal terminal, and to drive the element to be driven to intermittently emit light under the control of a reset signal from the reset signal terminal, the gating data signal from the gating data signal terminal, and a pulse voltage signal from the pulse voltage signal terminal.Type: GrantFiled: June 7, 2023Date of Patent: August 27, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lijun Yuan, Can Zhang, Ning Cong, Wei Li, Can Wang, Jinfei Niu, Jingjing Zhang, Minghua Xuan
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Patent number: 12073772Abstract: Disclosed is an array substrate including multiple first selection circuits with each including at least two first selection transistors and at least two first anticreeping transistors. Each first selection transistor is connected with one first anticreeping transistor in series. When the first selection transistor is turned on by a first turn-on signal from a first control signal terminal, the first anticreeping transistor is turned on by a second turn-on signal from a second control signal terminal. When the first selection transistor is turned off by a first turn-off signal from the first control signal terminal, the first anticreeping transistor is turned off to make the first selection transistors and the data signal terminal disconnected, by a second turn-off signal from the second control signal terminal. A voltage of the first turn-off signal is greater than a voltage of the second turn-off signal.Type: GrantFiled: October 26, 2021Date of Patent: August 27, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Haoliang Zheng, Minghua Xuan, Dongni Liu, SeungWoo Han, Li Xiao, Liang Chen, Hao Chen, Jiao Zhao, Qi Qi
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Publication number: 20240284711Abstract: A display substrate, a preparation method therefor, and a display device. A display substrate includes a plurality of conductive layers disposed on a silicon-based substrate (101), a conductive layer includes a first sub-electrode plate (110) and a second sub-electrode plate (120), the first sub-electrode plate (110) and the second sub-electrode plate (120) form a first storage capacitor of a MOM capacitance structure, and another conductive layer comprises a third sub-electrode plate (130) and a fourth sub-electrode plate (140), the third sub-electrode plate (130) and the fourth sub-electrode plate (140) form a second storage capacitor of a MOM capacitance structure; the first sub-electrode plate (110) and the fourth sub-electrode plate (140) constitute a third storage capacitor of a MIM capacitance structure, and/or the second sub-electrode plate (120) and the third sub-electrode plate (130) constitute a fourth storage capacitor of a MIM capacitance structure.Type: ApplicationFiled: February 23, 2022Publication date: August 22, 2024Inventors: Ning CONG, Can ZHANG, Minghua XUAN, Jinfei NIU, Can WANG, Wei LI, Jingjing ZHANG, Xiaochuan CHEN
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Publication number: 20240274586Abstract: The present application provides a light-emitting device, a display apparatus, the light-emitting device including: a substrate; at least two light-emitting units, in a direction perpendicular to the plane where the substrate is located, orthographic projections of two adjacent light-emitting units on the substrate overlap; at least one patterned bonding layer, located between two adjacent light-emitting units, including a plurality of spaced bonding portions, the bonding portions are configured to be fixed and electrically connected to the two adjacent light-emitting units; the orthographic projection of the bonding portion on the substrate is within the orthographic projection of the light-emitting unit on the substrate, and the sum of the orthographic projection areas of all bonding portions on the substrate is less than the area of the orthographic projection of the light-emitting device on the substrate.Type: ApplicationFiled: May 23, 2022Publication date: August 15, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Can Wang, Minghua Xuan, Xuan Liang, Xue Dong, Qi Qi, Mingkun Yang
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Publication number: 20240274069Abstract: A pixel driving circuit including a driving circuit, a first light emission control circuit and a first digital circuit. The driving circuit is connected to a first power source end, a first node and the light-emitting unit, and is used for providing, according to the voltage of the first node, a driving current for the light-emitting unit by using the first power source end; the first light emission control circuit is connected to a first digital signal end; and the first digital circuit comprises a first signal conversion circuit, and the first signal conversion circuit is connected to a first analog signal end and the first digital signal end and is used for inputting the first digital signal into the first digital signal end according to a first analog signal of the first analog signal end.Type: ApplicationFiled: April 23, 2024Publication date: August 15, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Can WANG, Yan QU, Can ZHANG, Minghua XUAN, Xiaochuan CHEN, Ning CONG, Jinfei NIU, Jingjing ZHANG
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Patent number: 12063833Abstract: The present application relates to a display panel, a manufacturing method thereof, and a display device. The display panel includes a base substrate, a plurality of pixel structures on the base substrate, and a color resist layer on a side of the plurality of pixel structures facing away the base substrate. The color resist layer includes a plurality of color resist blocks in one-to-one correspondence with the plurality of pixel structures. Light emitted from each of the plurality of pixel structures has the same color as the color resist block corresponding thereto.Type: GrantFiled: May 24, 2022Date of Patent: August 13, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Can Wang, Can Zhang, Xiaochuan Chen, Minghua Xuan, Han Yue, Ming Yang, Ning Cong
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Patent number: 12057540Abstract: The present disclosure provides a display panel and a manufacturing method. The display panel includes: a base substrate including a display surface and a display back surface arranged opposite to each other, and a side surface connected to the display surface and the display back surface; a plurality of first wirings on the display surface of the base substrate; a plurality of second wirings on the display back surface of the base substrate; a transition body on the side surface of the base substrate and in contact with the first wirings and the second wirings, a surface of the transition body away from the side surface being a smooth curved surface; and a plurality of connection lines covering an outer surface of the transition body, each first wiring being electrically connected to a corresponding second wiring via a corresponding connection line.Type: GrantFiled: May 8, 2020Date of Patent: August 6, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongni Liu, Minghua Xuan, Chao Liu, Yingwei Liu
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Publication number: 20240257772Abstract: A display panel, a method for driving a display panel, and a display apparatus are provided. The display panel includes a first base substrate and a plurality of pixels on one side of the first base substrate. Each pixel includes: a plurality of pixel sub-electrodes independent from each other and configured to form an electric field with an included angle greater than 0 with respect to a direction perpendicular to the first base substrate under control of incompletely same driving signals; a common electrode on a side of the pixel electrode away from the first base substrate; and an electrophoretic liquid layer between the pixel electrode and the common electrode, including a plurality of charged particles therein.Type: ApplicationFiled: September 5, 2022Publication date: August 1, 2024Inventors: Yuzhen GUO, Haoliang ZHENG, Minghua XUAN, Hebin ZHAO, Meirong LU, Chenyang ZHANG, Li XIAO, Xiaorong CUI, Jiao ZHAO, Shulei LI, Weixing LIU, Jintao PENG, Chunfang ZHANG, Xinxing WANG, Zhiqiang XU, Wanpeng TENG, Kai GUO
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Publication number: 20240258327Abstract: A transparent display panel includes: a substrate (100), and multiple repeating units (10) arranged in an array on the substrate. The non-transmissive region (A1) of the repeating unit includes: at least one pixel unit (P), N sets of first traces (11) extending in a first direction (X) and M sets of second traces (12) extending in a second direction (Y) electrically connected to the pixel unit. A set of first traces includes: multiple first signal lines (111) and at least one second signal line (112), an orthographic projection of at least one second signal line on substrate covers that of at least two first signal lines on substrate; or, a set of second traces includes: multiple third signal lines (121) and at least one fourth signal line (122), orthographic projection of at least one fourth signal line on substrate covers that of at least two third signal lines on substrate.Type: ApplicationFiled: June 29, 2022Publication date: August 1, 2024Inventors: Dongni LIU, Minghua XUAN, Zhenyu ZHANG, Haoliang ZHENG, Shunhang ZHANG, Wanzhi CHEN, Qi QI, Jing LIU
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Publication number: 20240257728Abstract: Provided is a pixel circuit. The pixel circuit includes a reset circuit, a data write circuit, a light-emission control circuit, and a drive circuit; wherein the reset circuit is configured to transmit a reset power signal supplied by the reset power terminal to the first node in response to a reset control signal; the data write circuit is configured to transmit a data signal supplied by the data signal terminal to the first node in response to a gate drive signal; the light-emission control circuit is configured to control conduction/non-conduction between the cathode of the light-emitting element and the second node, and control conduction/non-conduction between the third node and the pull-down power terminal, in response to a light-emission control signal; and the drive circuit is configured to control conduction/non-conduction between the second node and the third node in response to a potential of the first node.Type: ApplicationFiled: April 8, 2024Publication date: August 1, 2024Inventors: Seungwoo HAN, Li XIAO, Haoliang ZHENG, Dongni LIU, Jiao ZHAO, Liang CHEN, Hao CHEN, Minghua XUAN
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Publication number: 20240242659Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.Type: ApplicationFiled: November 24, 2021Publication date: July 18, 2024Inventors: Li XIAO, Seungwoo HAN, Dongni LIU, Haoliang ZHENG, Minghua XUAN, Jiao ZHAO, Liang CHEN, Xiaorong CUI
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Patent number: 12039913Abstract: A pixel circuit includes a current control circuit, a time control circuit, and a light-emitting component, which are electrically coupled to one another in series along a common passage path of a driving current. The current control circuit is configured to control an intensity of the driving current according to a display data signal received thereby. The time control circuit is configured to control a passage time of the driving current according to a time data signal and a switch control signal received thereby. The light-emitting component is configured to emit a light according to the intensity and the passage time of the driving current.Type: GrantFiled: January 7, 2019Date of Patent: July 16, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Han Yue, Xiaochuan Chen, Minghua Xuan, Can Wang, Can Zhang, Ning Cong, Ming Yang
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Patent number: 12033571Abstract: An array substrate includes M pixel lines and N pixel circuit groups. The M pixel lines are disposed in a display area and arranged in a first direction. The N pixel circuit groups are arranged in the first direction. M is an integer greater than or equal to 2, and N is a positive integer less than M. A pixel circuit group of the N pixel circuit groups is electrically connected to adjacent two pixel lines of the M pixel lines, and the first direction is one of a row direction and a column direction.Type: GrantFiled: April 26, 2023Date of Patent: July 9, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiao Zhao, Li Xiao, Minghua Xuan, Haoliang Zheng, Dongni Liu, Jing Liu, Qi Qi, Zhenyu Zhang, Liang Chen, Hao Chen, Lijun Yuan