Patents by Inventor Jiaxiang ZHANG
Jiaxiang ZHANG 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: 20250151399Abstract: A manufacturing method for an array substrate, an array substrate, and a display apparatus. The manufacturing method comprises: step S100, providing a base substrate; step S200, forming a driving circuit layer on one side of the base substrate the driving circuit layer comprising a plurality of wires and a plurality of bonding pads; step S300, forming a removable protective layer on the side of the driving circuit layer away from the base substrate; and step S400, connecting functional devices to the bonding pads, the removable protective layer being decomposed and removed in step S400. Between step S200 and step S300, there are no steps of forming an inorganic protective layer and patterning the inorganic protective layer.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Applicant: BOE Technology Group Co., Ltd.Inventors: Zhijun LV, Qi YAO, Feng ZHANG, Wenqu LIU, Liwen DONG, Zhao CUI, Detian MENG, Dongfei HOU, Yuqiao LI, Jiaxiang ZHANG, Jingshang ZHOU
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Publication number: 20250151571Abstract: A module structure, a touch module, a display module and a display apparatus are provided. The module structure includes: a substrate including a base substrate, wherein the base substrate includes a functional area and a bonding area on one side of the functional area; a plurality of bonding terminals are provided in the bonding area and arranged along a first direction and each bonding terminal extends along a second direction, and at least one floating terminal is provided in the bonding area and on at least one side of the plurality of bonding terminals in the first direction; the module structure further includes a flexible circuit board, including: a plurality of first connection terminals provided corresponding to the plurality of bonding terminals, and at least one second connection terminal provided corresponding to the at least one floating terminal.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Inventors: Hongjin HU, Wei GONG, Chang WANG, Mingqiang WANG, Jiaxiang ZHANG, Yonglin CHEN, Fei LI, Xin BI, Bin ZHANG, Kun ZUO
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Publication number: 20250131880Abstract: A display panel and a display method thereof, and a display apparatus are provided. The display panel includes multiple pixel units arranged in an array, a pixel unit including multiple sub-pixels, a sub-pixel including a pixel drive circuit and a light emitting element connected with the pixel drive circuit, the display panel further including an initial signal generator, the display panel including a low frequency driving mode and a normal driving mode, the low frequency driving mode including a refresh frame stage for writing data to the pixel unit and a hold frame stage for holding the data written to the pixel unit, the initial signal generator being configured to acquire a current display brightness value band and a pattern to be displayed in the low frequency driving mode; quantize the pattern to be displayed to get an average picture level; determine a corresponding anode reset voltage according to the current display brightness value band and the average picture level.Type: ApplicationFiled: August 31, 2022Publication date: April 24, 2025Inventors: Jiaxiang ZHANG, Liangliang JU, Zan LUO, Yonglin CHEN, Gong CHEN, Yuan FANG, Mingqiang WANG, Chang WANG, Seungyong OH, Bin ZHANG, Xin MU
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Patent number: 12284863Abstract: A display module includes: a display panel, which has a fingerprint identification region; a first protective layer disposed on a back surface of the display panel, the back surface being a surface of the display panel opposite to a display surface of the display panel, and the first protective layer being provided therein with a first opening for exposing the fingerprint identification region; and a metal protective layer disposed on a surface of the first protective layer away from the display panel, the metal protective layer being provided therein with a second opening, the second opening exposing the first opening, and an orthographic projection of an edge of the second opening on the display panel being located outside an orthographic projection of an edge of the first opening on the display panel.Type: GrantFiled: August 5, 2021Date of Patent: April 22, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haotian Yang, Fuzheng Xie, Xiaoxia Liu, Kang Wang, Junhui Yang, Jiaxiang Zhang, Yiming Wang, Zhenhua Zhang, Renzhe Xu
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Publication number: 20250125886Abstract: An oscillation frequency control method and system and a display device are provided. The oscillation frequency control system (3) is for a display device including a communication component (2) and a display driver component (1). The display driver component (3) includes at least one oscillator. The oscillation frequency control system (3) includes: an acquisition component (31) configured to acquire current operating information of the communication component (2); a determination component (32) configured to determine an oscillation operating frequency corresponding to each oscillator according to the current operating information; and a control component (33) configured to control each oscillator to operate at a corresponding oscillation operating frequency, wherein a frequency of a harmonic wave generated when each oscillator operates at the corresponding oscillation operating frequency falls outside a communication operating frequency band in which the communication component (2) currently operates.Type: ApplicationFiled: September 20, 2022Publication date: April 17, 2025Inventors: Ziqian LI, Jiaxiang ZHANG, Yuan FANG, Hongjin HU, Zheng BAO, Gong CHEN, Xiaoliang FU, Chuxiang WANG, Kang WANG, Yawen CHEN, Bin ZHANG
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Publication number: 20250124852Abstract: The present disclosure provides a driving method and a display apparatus, including: a display panel; a driving circuit electrically connected to the display panel, and the driving circuit is configured to control, in response to the fact that each of sub-pixels in a photosensitive area of the display panel is controlled to be in a non-light-emitting state in a light-emitting period during a preset display frame, each of photosensitive elements in the photosensitive area to collect a light intensity signal of incident light.Type: ApplicationFiled: January 12, 2023Publication date: April 17, 2025Inventors: Lian XIANG, Gong CHEN, Yakun KONG, Zheng BAO, Bin ZHANG, Jiaxiang ZHANG
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Patent number: 12272292Abstract: A method for controlling voltage output is disclosed. The method is used to control a power supply module to provide a required operating voltage to a display panel, and a display frame of the display panel comprises a plurality of sequential row driving periods, each row driving period comprising a charging period and a non-charging period, wherein during the charging period, a connection between a data line and a corresponding row of sub-pixels is enabled so that data voltages are written into the corresponding sub-pixels. The method comprises controlling the power supply module to output an operating voltage at a preset first operating frequency during a display of a picture to be displayed, wherein a time period during which the power supply module outputs the operating voltage to the display panel does not overlap with the charging period of each row driving period.Type: GrantFiled: April 18, 2023Date of Patent: April 8, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chang Wang, Haotian Yang, Xin Li, Xin Mu, Bin Zhang, Seungyong Oh, Jiaxiang Zhang, Yuren Zhang, Hongjin Hu
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Patent number: 12272287Abstract: A method for adjusting a gamma voltage of a display module is provided. The method includes: obtaining a gamma voltage of the display module at a basic refresh frequency; obtaining an associated relationship between the gamma voltage of the display module at the basic refresh frequency and a gamma voltage of the display module at a target refresh frequency; and determining the gamma voltage of the display module at the target refresh frequency based on the gamma voltage of the display module at the basic refresh frequency and the associated relationship.Type: GrantFiled: September 30, 2022Date of Patent: April 8, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiaxiang Zhang, Gong Chen, Yuan Fang, Lian Xiang, Yakun Kong, Xiaoliang Fu, Seungyong Oh, Bin Zhang
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Publication number: 20250098064Abstract: A circuit board includes a substrate, a first conductive layer, a first insulating layer and a second conductive layer. The first conductive layer includes a plurality of first conductive portions. The second conductive layer includes a plurality of second conductive portions. A second conductive portion passes through a first via hole in the first insulating layer to be in electrical contact with a first conductive portion. The first conductive layer and the second conductive layer each include at least one main conductive layer, which is capable of creating a first intermetallic compound with solder. At least one of the first conductive layer and the second conductive layer further includes a stop layer capable of creating a second intermetallic compound with the solder. A rate of a reaction between the stop layer and the solder is lower than a rate of a reaction between the main conductive layer and the solder.Type: ApplicationFiled: October 31, 2022Publication date: March 20, 2025Inventors: Nianqi YAO, Kun ZHAO, Ce NING, Zhengliang LI, Zhanfeng CAO, Ke WANG, Jiaxiang ZHANG, Qi QI, Hehe HU, Feifei LI, Jie HUANG, Jiayu HE
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Publication number: 20250089422Abstract: Provided is a display device. The display device includes a display panel and a circuit board. The display panel includes a display region and a non-display region. A first wiring is distributed in the non-display region. A second wiring is distributed in the circuit board. The circuit board is bonded to the non-display region, and the second wiring is connected to the first wiring to form a near-field communication antenna.Type: ApplicationFiled: May 26, 2023Publication date: March 13, 2025Inventors: Mingqiang WANG, Zheng BAO, Dexing HE, Jiaxiang ZHANG, Chang WANG, Hongjin HU, Yuan FANG, Bin ZHANG, Seungyong OH
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Publication number: 20250078781Abstract: A display device, a gamma voltage data group switching method and module. The display device includes a display-driver integrated circuit and a first storage unit. The display-driver integrated circuit includes a second storage unit, and the display device includes a gamma voltage data group switching module. The gamma voltage data group switching module is configured to pre-store, in the first storage unit, multiple groups of gamma voltage data groups respectively applied to various application scenarios; when switching of an application scenario of the display device, load a gamma voltage data group corresponding to the current application scenario and stored in the first storage unit into the second storage unit.Type: ApplicationFiled: September 23, 2022Publication date: March 6, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Gong CHEN, Jiaxiang ZHANG, Zheng BAO, Lian XIANG, Bo PENG, Yuan FANG, Yakun KONG, Jingwen LI, Ziqian LI, Mingqiang WANG
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Patent number: 12236899Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes pixel units distributed in an array in a display area, where the pixel units include sub-pixels, at least one of which has a maximum grayscale value voltage different from a maximum grayscale value voltage of the other sub-pixel; and a switching circuit including switching units on a side of the display area, where one end of the switching unit is connected to a data line. In two adjacent columns of pixel units, two sub-pixels having the same maximum grayscale value voltage are connected to two adjacent switching units through data lines, respectively.Type: GrantFiled: June 6, 2022Date of Patent: February 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zheng Bao, Mingqiang Wang, Ziqian Li, Yi Zhang, Xiangdong Wei, Gong Chen, Haotian Yang, Chang Wang, Jiaxiang Zhang, Bin Zhang
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Patent number: 12232394Abstract: A module structure, a touch module, a display module and a display apparatus are provided. The module structure includes: a substrate including a base substrate, wherein the base substrate includes a functional area and a bonding area on one side of the functional area; a plurality of bonding terminals are provided in the bonding area and arranged along a first direction and each bonding terminal extends along a second direction, and at least one floating terminal is provided in the bonding area and on at least one side of the plurality of bonding terminals in the first direction; the module structure further includes a flexible circuit board, including: a plurality of first connection terminals provided corresponding to the plurality of bonding terminals, and at least one second connection terminal provided corresponding to the at least one floating terminal.Type: GrantFiled: July 30, 2021Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongjin Hu, Wei Gong, Chang Wang, Mingqiang Wang, Jiaxiang Zhang, Yonglin Chen, Fei Li, Xin Bi, Bin Zhang, Kun Zuo
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Patent number: 12207497Abstract: A display device includes: a display panel; and a polarizer, an optical adhesive, and a cover plate sequentially arranged on the display panel. The display panel has a transparent region. The polarizer has first and second surfaces parallel to each other, and the first surface is proximal to the display panel. The polarizer has therein a through hole penetrating through the first and second surfaces. The through hole has first and second boundaries at the first and second surfaces, respectively. An orthogonal projection of the first boundary on the second surface is inside and not in contact with the second boundary. For third and fourth boundaries of the through hole parallel to the first boundary, an orthogonal projection of the third boundary on the fourth boundary does not extend beyond the fourth boundary, the third boundary being closer to the first boundary than the fourth boundary.Type: GrantFiled: February 9, 2021Date of Patent: January 21, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiaxiang Zhang, Kang Wang, Xiaoxia Liu, Haotian Yang, Junhui Yang, Fuzheng Xie, Bin Zhang
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Publication number: 20250014518Abstract: The present disclosure provides a pulse width modulation method, a pulse width modulation module and a display device. A display panel includes a pixel circuitry configured to receive a light-emission control signal and control a light-emitting element to emit light under the control of the light-emission control signal, and a display period includes a refresh frame and a maintenance frame. The pulse width modulation method includes: increasing at least one active pulse width of the light-emission control signal within the refresh frame so that the at least one active pulse width of the light-emission control signal is larger than a first active pulse width threshold; and/or decreasing at least one active pulse width of the light-emission control signal within the maintenance frame so that the at least one active pulse width of the light-emission control signal is less than a second active pulse width threshold.Type: ApplicationFiled: October 12, 2022Publication date: January 9, 2025Inventors: Yakun KONG, Lian XIANG, Gong CHEN, Jiaxiang ZHANG, Hongjin HU, Bin ZHANG, Seungyong OH
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Patent number: 12152999Abstract: Apparatuses and methods are described for detecting inclusions in glass. The apparatuses and methods employ a laser that is configured to project a laser sheet at a first angle from one side of a glass sheet, and a camera configured to capture images from a second angle from another side of the glass sheet. The glass sheet is moved thorough the laser sheet while the camera captures images. One or more processing devices execute image processing algorithms to identify areas of the glass sheet containing inclusions based on the captured images. In some examples, the identified areas of the glass sheet are revisited to confirm they contain inclusions.Type: GrantFiled: December 2, 2020Date of Patent: November 26, 2024Assignee: Corning IncorporatedInventors: Souma Chaudhury, Mark Anthony Summa, Seungcheol Yang, Jiaxiang Zhang
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Publication number: 20240386853Abstract: Provided is a method for driving a display module. The method includes: generating a frame reference signal in response to a display instruction; transmitting a light emission control signal to a plurality of pixels in the display screen based on the frame reference signal, wherein the light emission control signal at a first level is configured to control the plurality of pixels to emit light, and the light emission control signal at a second level is configured to control the plurality of pixels not to emit light; and transmitting a turn-on signal to the sensor based on the frame reference signal, wherein the turn-on signal is configured to control the sensor to collect the target parameter, and the turn-on signal is not overlapped with a period when the light emission control signal is at the first level.Type: ApplicationFiled: September 16, 2022Publication date: November 21, 2024Inventors: Yuan FANG, Bin ZHANG, Jiaxiang ZHANG, Xiaoliang FU, Gong CHEN, Jiaming SHEN, Zheng BAO, Chuxiang WANG, Lian XIANG, Ziqian LI
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Publication number: 20240386826Abstract: A method for adjusting a gamma voltage of a display module is provided. The method includes: obtaining a gamma voltage of the display module at a basic refresh frequency; obtaining an associated relationship between the gamma voltage of the display module at the basic refresh frequency and a gamma voltage of the display module at a target refresh frequency; and determining the gamma voltage of the display module at the target refresh frequency based on the gamma voltage of the display module at the basic refresh frequency and the associated relationship.Type: ApplicationFiled: September 30, 2022Publication date: November 21, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiaxiang ZHANG, Gong CHEN, Yuan FANG, Lian XIANG, Yakun KONG, Xiaoliang FU, Seungyong OH, Bin ZHANG
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Publication number: 20240389432Abstract: A display module includes a display panel having a fingerprint identification area and a light-transmitting protective film located on a back surface of the display panel. The light-transmitting protective film includes a protective layer, a light-shielding pattern located on a side of the protective layer, and a light-transmitting adhesive layer located on a side of the light-shielding pattern away from the protective layer. The protective layer has a target area. At least the target area is a light-transmitting area, and the target area at least partially overlaps with the fingerprint identification area. The light-shielding pattern defines a plurality of imaging apertures, the plurality of imaging apertures are arranged at intervals, and orthogonal projection of the plurality of imaging apertures on the protective layer are at least located in the target area. A surface of the light-transmitting adhesive layer away from the light-shielding pattern is in contact with the display panel.Type: ApplicationFiled: April 26, 2022Publication date: November 21, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zheng BAO, Haotian YANG, Gong CHEN, Mingqiang WANG, Tao DING, Xiaodong HAO, Kang WANG, Jiaxiang ZHANG, Jiuyuan BAI, Kun ZUO, Xiaoliang FU, Bin ZHANG
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Publication number: 20240365617Abstract: A display device includes a flexible display panel including a display part and a bonding part, the bonding part being located on the back side of the display part, and a side of the bonding part away from the display part being the bonding side, the driving chip being arranged on the bonding side of the bonding part, and having a first side and a second side opposite in the first direction, where the first direction is perpendicular to the thickness direction; a spacer being disposed on the bonding side of the bonding part, where the spacer is located on one side or both sides of the driving chip in the first direction, and a thickness of the spacer is greater than a thickness.Type: ApplicationFiled: July 10, 2024Publication date: October 31, 2024Inventors: Yiming Wang, Haotian Yang, Fuzheng Xie, Xiaoxia Liu, Kang Wang, Junhui Yang, Jiaxiang Zhang, Zhenhua Zhang, Renzhe Xu