Patents by Inventor Shaoru LI
Shaoru LI 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: 12274010Abstract: A flexible support plate and a flexible display device. The flexible support plate includes an opening area and at least one solid area arranged on at least one side of the opening area, wherein the opening area is provided with a plurality of through holes; the opening area includes a middle area and a transition area; the transition area is arranged between the middle area and the solid area; and the width of the transition area decreases as the distance to the middle area increases.Type: GrantFiled: November 15, 2021Date of Patent: April 8, 2025Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shaoru Li, Rui Wang, Jian Guo, Jonguk Kwak
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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: 20240304148Abstract: 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: ApplicationFiled: May 21, 2024Publication date: September 12, 2024Applicants: 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: 20240298488Abstract: A display substrate including a display area, where the display area includes multiple pixel units in an array, in at least two adjacent rows of pixel units, a connection point between first and second power lines is in the first pixel unit, but is not in the second pixel unit; in at least two adjacent columns of pixel units, respective connection points between the first power lines and the second power lines are not on a straight line; and the display area includes at least two display sub-areas along an extending direction of the second power line; for any two display sub-areas, a number of the first pixel units in one of the two display sub-areas closer to a first power bus is less than a number of the first pixel units in the other of the two display sub-areas farther away from the first power bus.Type: ApplicationFiled: May 12, 2024Publication date: September 5, 2024Inventors: Shaoru LI, Rui WANG, Ni YANG, Hailong WU
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Patent number: 12073787Abstract: A display panel includes pixel circuits, and the pixel circuit includes: a driving sub-circuit, a fourth sub-circuit and a first reset sub-circuit. The driving sub-circuit includes a driving transistor and a storage capacitor. The driving transistor includes a gate and an active pattern including a source portion and a drain portion. The storage capacitor includes a first storage electrode sharing a same electrode with the gate and a second storage electrode used to be connected to a first voltage signal line. The fourth sub-circuit is configured such that the drain portion and the gate are connected when being turned on. The first reset sub-circuit includes a first active pattern, which is arranged in a same layer as the active pattern and includes a first source portion being used to be connected to a first initialization signal line and a first drain portion being connected to the drain portion.Type: GrantFiled: May 18, 2023Date of Patent: August 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Wang, Haijun Qiu, Fei Shang, Ming Hu, Shaoru Li, Minho Ko
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Patent number: 12014685Abstract: 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: June 28, 2023Date of Patent: June 18, 2024Assignees: 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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Patent number: 12016215Abstract: The disclosure provides a display substrate and an AMOLED display device. The display substrate includes a display area including multiple pixel units in an array, each row is correspondingly provided with a first power line, and each column is correspondingly provided with a second power line; the multiple pixel units are divided into first pixel units and second pixel units; each row includes at least one first pixel unit, in which the driving transistor is electrically coupled to the second power line corresponding to the column of the first pixel unit; for at least one column of pixel units, each column includes at least one second pixel unit; in which the driving transistor is electrically coupled, through the first power line corresponding to the row of the second pixel unit, to the second power line corresponding to the column of one first pixel unit in the row.Type: GrantFiled: October 14, 2019Date of Patent: June 18, 2024Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Shaoru Li, Rui Wang, Ni Yang, Hailong Wu
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Patent number: 11935470Abstract: 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: April 30, 2021Date of Patent: March 19, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP C0., 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: 20230360603Abstract: 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: ApplicationFiled: June 28, 2023Publication date: November 9, 2023Applicants: 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: 20230290310Abstract: A display panel includes pixel circuits, and the pixel circuit includes: a driving sub-circuit, a fourth sub-circuit and a first reset sub-circuit. The driving sub-circuit includes a driving transistor and a storage capacitor. The driving transistor includes a gate and an active pattern including a source portion and a drain portion. The storage capacitor includes a first storage electrode sharing a same electrode with the gate and a second storage electrode used to be connected to a first voltage signal line. The fourth sub-circuit is configured such that the drain portion and the gate are connected when being turned on. The first reset sub-circuit includes a first active pattern, which is arranged in a same layer as the active pattern and includes a first source portion being used to be connected to a first initialization signal line and a first drain portion being connected to the drain portion.Type: ApplicationFiled: May 18, 2023Publication date: September 14, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui WANG, Haijun QIU, Fei SHANG, Ming HU, Shaoru LI, Minho KO
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Patent number: 11688348Abstract: A pixel circuit includes: a driving sub-circuit including a driving transistor and a storage capacitor; a first reset sub-circuit configured to transmit an initialization signal to a third node under control of at least a first reset signal; a writing sub-circuit configured to transmit the initialization signal to a first node under control of a first scanning signal, and write a data signal received at a data terminal to the first node and perform threshold voltage compensation on the driving transistor under control of the first scanning signal and a second scanning signal; a light-emitting device; and a light-emitting control sub-circuit configured to, under control of a first enable signal and a second enable signal, transmit a voltage signal of a first voltage terminal to a second node, and transmit a current output by the driving transistor to the light-emitting device.Type: GrantFiled: April 13, 2021Date of Patent: June 27, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD, BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Wang, Haijun Qiu, Fei Shang, Ming Hu, Shaoru Li, Minho Ko
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Publication number: 20230157092Abstract: The disclosure provides a display substrate and an AMOLED display device. The display substrate includes a display area including multiple pixel units in an array, each row is correspondingly provided with a first power line, and each column is correspondingly provided with a second power line; the multiple pixel units are divided into first pixel units and second pixel units; each row includes at least one first pixel unit, in which the driving transistor is electrically coupled to the second power line corresponding to the column of the first pixel unit; for at least one column of pixel units, each column includes at least one second pixel unit; in which the driving transistor is electrically coupled, through the first power line corresponding to the row of the second pixel unit, to the second power line corresponding to the column of one first pixel unit in the row.Type: ApplicationFiled: October 14, 2019Publication date: May 18, 2023Inventors: Shaoru LI, Rui WANG, Ni YANG, Hailong WU
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Publication number: 20230111654Abstract: A flexible support plate and a flexible display device. The flexible support plate comprises an opening area (2) and at least one solid area (1) arranged on at least one side of the opening area (2), wherein the opening area (2) is provided with a plurality of through holes (3); the opening area (2) comprises a central area (21) and a transition area (22); the transition area (22) is arranged between the central area (21) and the solid area (1); and the width of the transition area (22) decreases as the distance from the central area (21) increases. When the flexible support plate is bent, the transition area (22) gradually deforms, and the stress is also gradual, without a sudden change, that is, the stress changes relatively uniformly, thereby avoiding hard-angle bending caused by a sudden stress change during bending, and accordingly avoiding problems of film-layer separation and cracks. The flexible support plate can be applied to flexible display devices with smaller bending radii.Type: ApplicationFiled: November 15, 2021Publication date: April 13, 2023Applicants: Chongqing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shaoru LI, Rui WANG, Jian GUO, Jonguk KWAK
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Patent number: 11574588Abstract: The present disclosure provides a pixel driving circuit including a driving transistor, a capacitor and a light emitting device, and further includes: a first reset module; a data writing module; a threshold compensation module including a compensation transistor; a light emitting control module configured to disconnect the first power terminal from the first electrode of the driving transistor and disconnect the second electrode of the driving transistor from the light emitting device in the data writing phase and the reset phase; and to enable the first power terminal and the first electrode of the driving transistor to be electrically connected to each other and enable the second electrode of the driving transistor and the light emitting device to be electrically connected to each other in a light emitting phase; the compensation transistor is an oxide transistor, and the driving transistor is a low temperature poly-silicon transistor.Type: GrantFiled: June 15, 2020Date of Patent: February 7, 2023Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Shaoru Li, Rui Wang, Ni Yang
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Publication number: 20230031984Abstract: 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: ApplicationFiled: April 30, 2021Publication date: February 2, 2023Applicants: 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: 20220343852Abstract: A pixel circuit includes: a driving sub-circuit including a driving transistor and a storage capacitor; a first reset sub-circuit configured to transmit an initialization signal to a third node under control of at least a first reset signal; a writing sub-circuit configured to transmit the initialization signal to a first node under control of a first scanning signal, and write a data signal received at a data terminal to the first node and perform threshold voltage compensation on the driving transistor under control of the first scanning signal and a second scanning signal; a light-emitting device; and a light-emitting control sub-circuit configured to, under control of a first enable signal and a second enable signal, transmit a voltage signal of a first voltage terminal to a second node, and transmit a current output by the driving transistor to the light-emitting device.Type: ApplicationFiled: April 13, 2021Publication date: October 27, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui WANG, Haijun QIU, Fei SHANG, Ming HU, Shaoru LI, Minho KO
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Publication number: 20220026772Abstract: Embodiments of the present disclosure provide an array substrate, a method for manufacturing the same, and a display apparatus. The array substrate includes a plurality of pad structures located in a bonding region and a plurality of data leads located in a lead region. Each data lead corresponds to one pad structure. The pad structure includes at least two pad electrodes insulated from each other. In the pad structure, each pad electrode is electrically connected to the data lead corresponding to the pad structure, respectively, to form different signal writing paths.Type: ApplicationFiled: February 28, 2018Publication date: January 27, 2022Inventors: Yunze LI, Ni YANG, Zhijian QI, Xiaoyuan WANG, Shaoru LI
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Patent number: 11215893Abstract: Embodiments of the present disclosure provide an array substrate, a method for manufacturing the same, and a display apparatus. The array substrate includes a plurality of pad structures located in a bonding region and a plurality of data leads located in a lead region. Each data lead corresponds to one pad structure. The pad structure includes at least two pad electrodes insulated from each other. In the pad structure, each pad electrode is electrically connected to the data lead corresponding to the pad structure, respectively, to form different signal writing paths.Type: GrantFiled: February 28, 2018Date of Patent: January 4, 2022Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yunze Li, Ni Yang, Zhijian Qi, Xiaoyuan Wang, Shaoru Li
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Publication number: 20210407390Abstract: The present disclosure provides a pixel driving circuit including a driving transistor, a capacitor and a light emitting device, and further includes: a first reset module; a data writing module; a threshold compensation module including a compensation transistor; a light emitting control module configured to disconnect the first power terminal from the first electrode of the driving transistor and disconnect the second electrode of the driving transistor from the light emitting device in the data writing phase and the reset phase; and to enable the first power terminal and the first electrode of the driving transistor to be electrically connected to each other and enable the second electrode of the driving transistor and the light emitting device to be electrically connected to each other in a light emitting phase; the compensation transistor is an oxide transistor, and the driving transistor is a low temperature poly-silicon transistor.Type: ApplicationFiled: June 15, 2020Publication date: December 30, 2021Inventors: Shaoru LI, Rui WANG, Ni YANG
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Publication number: 20210223654Abstract: Embodiments of the present disclosure provide an array substrate, a method for manufacturing the same, and a display apparatus. The array substrate includes a plurality of pad structures located in a bonding region and a plurality of data leads located in a lead region. Each data lead corresponds to one pad structure. The pad structure includes at least two pad electrodes insulated from each other. In the pad structure, each pad electrode is electrically connected to the data lead corresponding to the pad structure, respectively, to form different signal writing paths.Type: ApplicationFiled: February 28, 2018Publication date: July 22, 2021Inventors: Yunze LI, Ni YANG, Zhijian QI, Xiaoyuan WANG, Shaoru LI