Patents by Inventor Haijun Qiu
Haijun Qiu 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: 20250140201Abstract: A display panel includes pixel circuits, first shift register(s), second shift register(s), third shift register(s), and fourth shift register(s). A pixel circuit includes a driving transistor, a bias sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a leakage prevention sub-circuit, a reset sub-circuit, and a light-emission control sub-circuit. The bias sub-circuit is electrically connected to a first shift register, which transmits a first scanning signal to the bias sub-circuit. The data writing and compensation sub-circuits are electrically connected to a second shift register, which transmits a second scanning signal to the data writing and compensation sub-circuits. The leakage prevention sub-circuit is electrically connected to a third shift register, which transmits a third scanning signal to the leakage prevention sub-circuit.Type: ApplicationFiled: September 27, 2022Publication date: May 1, 2025Inventors: Libin Liu, Yu Feng, Shiming Shi, Dawei Wang, Haijun Qiu, Jingquan Wang, Xing Yao
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Publication number: 20250140164Abstract: A pixel circuit, a method for driving the same, a display panel and a display apparatus, the pixel circuit includes: a light-emitting device; a driving transistor coupled to the light-emitting device; a first control circuit coupled to a gate of the driving transistor; a second control circuit coupled to a first setting electrode of the driving transistor and configured to initialize the first setting electrode of the driving transistor before the light-emitting device is driven to emit light; a third control circuit coupled to the driving transistor and configured to reset the gate of the driving transistor, control the data voltage to be input into the gate of the driving transistor, and control the driving transistor to generate an operating current according to a data voltage to drive the light-emitting device to emit light.Type: ApplicationFiled: September 30, 2022Publication date: May 1, 2025Inventors: Yonglin GUO, Haijun QIU, Ming HU, Zhiliang JIANG, Gukhwan SONG
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Patent number: 12289954Abstract: Disclosed are a display panel, a manufacturing method thereof and a displaying device. The display panel comprises a driving backplane, a light-emitting device layer disposed on the driving backplane, and an encapsulation layer, a color film layer and a color separation suppression layer which are disposed on the side, away from the driving backplane, of the light-emitting device layer, wherein the color separation suppression layer is configured to interfere with and cancel out external ambient light, so as to reduce the external ambient light incident on the light-emitting device layer and the driving backplane and block the external ambient light reflected by the light-emitting device layer and the driving backplane from exiting from a light-exiting surface of the display panel.Type: GrantFiled: June 23, 2021Date of Patent: April 29, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jibum Yang, Euiku Lee, Myoungsoo Lee, Chao Kong, Lin Guo, Na Li, Haijun Qiu
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Publication number: 20250130661Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: ApplicationFiled: January 2, 2025Publication date: April 24, 2025Inventors: Chang LUO, Xiping LI, Hongwei MA, Ming HU, Wei HE, Youngyik KO, Haijun QIU, Yi ZHANG, Taofeng XIE, Tianci CHEN, Qun MA, Xinghua LI, Ping WEN, Yang ZHOU, Yuanqi ZHANG, Xiaoyan YANG, Shun ZHANG, Pandeng TANG, Yang ZENG, Tong ZHANG, Xiaofei HOU, Zhidong WANG, Haoyuan FAN, Jinhwan HWANG
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Publication number: 20250124873Abstract: A driving circuit, a driving method, a driving module and a display device are provided. The driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a third control node control circuit. The third control node control circuit is electrically connected to the first node and the third control node respectively, and is configured to control the potential of the third control node according to the potential of the first node.Type: ApplicationFiled: March 29, 2023Publication date: April 17, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang YU, Ming HU, Zhiliang JIANG, Haijun QIU, Long MA, Tianyi CHENG, Jianpeng WU, Wenbo CHEN, Qingqing YAN, Xiangnan PAN, Qing HE, Quanyong GU, Pan ZHAO
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Patent number: 12279504Abstract: A display panel and a fabricating method thereof, and a displaying device. The display panel includes: a driving backplane, a light-emitting-device layer provided on the driving backplane, and a packaging layer, a color-film layer and a light absorbing layer provided on one side of the light-emitting-device layer that is further away from the driving backplane; wherein the light absorbing layer is configured for absorbing light rays of a specific wavelength in external-environment light and in light rays emitted by the light-emitting-device layer; and the specific wavelength includes at least one of a wavelength between a red-light wave band and a green-light wave band, a wavelength between a green-light wave band and a blue-light wave band, a wavelength shorter than a blue-light wave band and a wavelength longer than a red-light wave band.Type: GrantFiled: June 16, 2021Date of Patent: April 15, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jibum Yang, Myoungsoo Lee, Euiku Lee, Meishan Xu, Chao Kong, Na Li, Haijun Qiu, Fei Chen
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Patent number: 12272303Abstract: The present disclosure provides a driving circuitry, a driving method, a driving module, and a display device. The driving circuitry includes a driving signal generation circuitry, a gating circuitry, an output control circuitry and an output circuitry. The driving signal generation circuitry is configured to perform a shifting operation on an (N?1)th-level driving signal to obtain an Nth-level driving signal. The gating circuitry is configured to write a gating input signal into a first node under the control of a gating control signal. The output control circuitry is configured to perform an NAND operation on the Nth-level driving signal and a potential at a second end of the output control circuitry to obtain a first output signal. The output circuitry is configured to perform phase inversion on the first output signal to obtain and provide an output driving signal through an output driving end, where N is a positive integer.Type: GrantFiled: May 23, 2023Date of Patent: April 8, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Mengqi Wang, Qi Wei, Wenbo Chen, Tiaomei Zhang, Sifei Ai, Cong Liu, Qian Xu
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Patent number: 12266308Abstract: A pixel circuit and a driving method thereof, and a display device are provided. The pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a first light-emitting control sub-circuit, a second light-emitting control sub-circuit, a compensation sub-circuit, and a first reset sub-circuit, and is configured to generate a driving current to control a light-emitting element to emit light, the first reset sub-circuit comprises a first transistor, the compensation sub-circuit comprises a second transistor, the first transistor and the second transistor are both polysilicon oxide thin film transistors, and an active layer type of the first transistor and an active layer type of the second transistor are different from an active layer type of a transistor comprised in at least one selected from a group consisting of the driving sub-circuit, the data writing sub-circuit, the first light-emitting control sub-circuit, and the second light-emitting control sub-circuit.Type: GrantFiled: May 21, 2024Date of Patent: April 1, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Wang, Ming Hu, Haijun Qiu, Weiyun Huang, Yao Huang, Chao Zeng, Yuanyou Qiu, Shaoru Li, Tianyi Cheng
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Publication number: 20250104640Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit, a voltage control circuit and a second node control circuit; the driving signal generation circuit generates an Nth stage of driving signal; the output control circuit controls to connect the first control node and the second node under the control of the potential of the first node; the gating circuit writes a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to the potential of the first node; the second node control circuit controls to connect the second node and the first voltage terminal under the control of the potential of the first node.Type: ApplicationFiled: December 19, 2022Publication date: March 27, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Erjin Zhao
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Publication number: 20250107362Abstract: A display substrate has a fan-out area and includes a plurality of conductive layers. The plurality of conductive layers include data lines, connection lines and fan-out lines. A connection line is electrically connected to a first data line, and crosses at least one data line and is insulated from the crossed data line. A first fan-out line is electrically connected to the connection line. A second fan-out line is electrically connected to a second data line. The first fan-out line includes a transfer line, and is located in a different conductive layer from second fan-out lines and crosses at least one second fan-out line. An order of arrangement of ends of the fan-out lines away from the display area in a first direction is same as an order of arrangement of the data lines in the first direction.Type: ApplicationFiled: March 30, 2023Publication date: March 27, 2025Inventors: Mengqi Wang, Ziyang Yu, Zhiliang Jiang, Rong Wang, Ming Hu, Haijun Qiu, Xiangdan Dong, Jun Yan, Fan He
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Patent number: 12260816Abstract: Provided are a pixel circuit, a driving method and a display apparatus, including: a light emitting device; a driving transistor, configured to produce a current for driving the light emitting device to emit light according to a data voltage; a voltage control circuit, coupled to the driving transistor, wherein the voltage control circuit is configured to reset the driving transistor (M0) and input the data voltage in response to a loaded signal; and a light emitting control circuit, coupled to the driving transistor and the light emitting device, wherein the light emitting control circuit is configured to provide the current produced by the driving transistor to the light emitting device; wherein a frequency of resetting the driving transistor is not less than a frequency of inputting the data voltage.Type: GrantFiled: January 29, 2022Date of Patent: March 25, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yi Zhang, Ming Hu, Huijuan Yang, Tingliang Liu, Kai Zhang, Haijun Qiu, Youngyik Ko, Tinghua Shang, Biao Liu
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Publication number: 20250098452Abstract: Display substrate, method for manufacturing the same, and display device are disclosed. The display substrate comprises: a base substrate comprising a display region and a peripheral region located at a periphery of the display region, the display region comprises at least two display sub-regions; the display substrate further comprises scanning lines and sub-pixels, wherein the scanning lines comprise first scanning lines comprising at least two scanning line segments independent from each other, and the at least two scanning line segments are located in different display sub-regions; and the sub-pixels are divided into rows of sub-pixels, the rows of sub-pixels comprise a target row of sub-pixels which is divided into at least two sub-pixel groups located in different display sub-regions, and the scanning line segment is coupled to each sub-pixel in a corresponding sub-pixel group belonging to a same display sub-region.Type: ApplicationFiled: February 22, 2023Publication date: March 20, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang YU, Ming HU, Zhiliang JIANG, Haijun QIU, Long MA, Tianyi CHENG, Jianpeng WU, Qingqing YAN, Xiangnan PAN, Quanyong GU, Pan ZHAO, Qing HE
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Publication number: 20250089510Abstract: A pixel arrangement including: first groups of sub-pixels arranged in a first direction, each of the first groups including first sub-pixels and third sub-pixels arranged alternately; and second groups of sub-pixels arranged in the first direction, each of the second groups including third sub-pixels and second sub-pixels arranged alternately. The first groups and the second groups are alternately arranged in a second direction perpendicular to the first direction. The first groups and the second groups are arranged to form third groups of sub-pixels arranged in the second direction and fourth groups of sub-pixels arranged in the second direction. The third groups and the fourth groups are alternately arranged in the first direction. Each of the third groups includes first sub-pixels and third sub-pixels arranged alternately. Each of the fourth groups includes third sub-pixels and second sub-pixels arranged alternately.Type: ApplicationFiled: November 27, 2024Publication date: March 13, 2025Inventors: Yang WANG, Yangpeng WANG, Benlian WANG, Haijun YIN, Haijun QIU, Yao HU, Weinan DAN
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Publication number: 20250087163Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, an output circuit and a voltage control circuit; the driving signal generation circuit generates an Nth stage of driving signal, the output control circuit connects the first control node and the second node under the control of the potential of the first node; the gating circuit controls to write a gating input signal into the first node under the control of a gating control signal; the voltage control circuit controls a potential of the second node according to a potential of the first node; the output circuit connects the output driving terminal and the first voltage terminal under the control of the potential of the second node, and connects the output driving terminal and the second voltage terminal under the control of the potential of the third control node.Type: ApplicationFiled: December 19, 2022Publication date: March 13, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Erjin Zhao, Mengqi Wang, Wenbo Chen, Cong Liu, Qian Xu
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Publication number: 20250087166Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit and an output circuit; the driving signal generation circuit generates and outputs the Nth stage of driving signal; the gating circuit controls to write the gating input signal into the first node; the output control circuit performs a NAND operation on the Nth stage of driving signal and the potential of the second terminal of the output control circuit to obtain a first output signal; the output circuit inverts the first output signal to obtain and provide an output driving signal through the output driving terminal; N is a positive integer.Type: ApplicationFiled: December 19, 2022Publication date: March 13, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Wenbo Chen, Mengqi Wang, Cong Liu, Qian Xu, Qingqing Yan, Pan Zhao, Qing He, Xiangnan Pan, Quanyong Gu
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Publication number: 20250078740Abstract: The present disclosure provides a driving circuitry, a driving method, a driving module, and a display device. The driving circuitry includes a driving signal generation circuitry, a gating circuitry, an output control circuitry and an output circuitry. The driving signal generation circuitry is configured to perform a shifting operation on an (N?1)th-level driving signal to obtain an Nth-level driving signal. The gating circuitry is configured to write a gating input signal into a first node under the control of a gating control signal. The output control circuitry is configured to perform an NAND operation on the Nth-level driving signal and a potential at a second end of the output control circuitry to obtain a first output signal. The output circuitry is configured to perform phase inversion on the first output signal to obtain and provide an output driving signal through an output driving end, where N is a positive integer.Type: ApplicationFiled: May 23, 2023Publication date: March 6, 2025Inventors: Ziyang YU, Haijun QIU, Ming HU, Zhiliang JIANG, Tianyi CHENG, Jianpeng WU, Mengqi WANG, Qi WEI, Wenbo CHEN, Tiaomei ZHANG, Sifei AI, Cong LIU, Qian XU
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Publication number: 20250078739Abstract: A driving circuit includes a driving signal generation circuit, a gating circuit, an output control circuit, a voltage control circuit and an output circuit; the driving signal generation circuit generates the Nth stage of driving signal; the gating circuit writes a gating input signal into the first node under the control of a gating control signal; the output control circuit connects the first control node and the second node under the control of a potential of the first node; the voltage control circuit controls a potential of the second node according to the potential of the first node; the output circuit connects the output driving terminal and the first voltage terminal under the control of the potential of the second node, and connects the output driving terminal and the second voltage terminal under the control of the potential of the second control node; N is a positive integer.Type: ApplicationFiled: December 19, 2022Publication date: March 6, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ziyang Yu, Haijun Qiu, Ming Hu, Zhiliang Jiang, Tianyi Cheng, Jianpeng Wu, Qingqing Yan, Xiangnan Pan, Qing He, Quanyong Gu, Sifei Ai, Junhao Jing, Xiang Luo
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Patent number: 12243477Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor; a first reset transistor having a gate electrode connected to a first gate line in a present stage of a plurality of first gate lines, a source electrode connected to a respective first reset signal line of a plurality of first reset signal lines, and a drain electrode connected to an anode of a light emitting element; and a second reset transistor having a gate electrode connected to a first gate line in a previous stage of the plurality of first gate lines, a source electrode connected to a respective second reset signal line of a plurality of second reset signal lines, and a drain electrode connected to a drain electrode of the driving transistor.Type: GrantFiled: September 17, 2021Date of Patent: March 4, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Rui Wang, Chao Zeng, Ming Hu, Haijun Qiu, Weiyun Huang, Tianyi Cheng
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Patent number: 12229360Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.Type: GrantFiled: January 9, 2023Date of Patent: February 18, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Chang Luo, Xiping Li, Hongwei Ma, Ming Hu, Wei He, Youngyik Ko, Haijun Qiu, Yi Zhang, Taofeng Xie, Tianci Chen, Qun Ma, Xinghua Li, Ping Wen, Yang Zhou, Yuanqi Zhang, Xiaoyan Yang, Shun Zhang, Pandeng Tang, Yang Zeng, Tong Zhang, Xiaofei Hou, Zhidong Wang, Haoyuan Fan, Jinhwan Hwang
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Publication number: 20250037652Abstract: A display substrate, a working method thereof, and a display device. The display substrate includes K pixel rows and K is a positive integer greater than 1; at least one pixel row includes an initial signal line, a scan signal line, and a plurality of sub-pixels disposed sequentially along an extension direction of the initial signal line and the scan signal line; the initial signal line includes a third initial signal line, the scan signal line includes a second scan signal line, at least one sub-pixel includes a pixel drive circuit, the pixel drive circuit at least includes a third transistor as a drive transistor and an eighth transistor as an initialization transistor; in at least a pixel row, the eighth transistor is connected with the third initial signal line, the second scan signal line, and a second electrode of the drive transistor.Type: ApplicationFiled: July 27, 2022Publication date: January 30, 2025Inventors: Ming HU, Huijuan YANG, Tingliang LIU, Yi ZHANG, Kai ZHANG, Haijun QIU, Youngyik KO, Tinghua SHANG, Biao LIU