Patents by Inventor Lulu Yang
Lulu Yang 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: 11974478Abstract: An array substrate includes a first pixel driving circuit, a second pixel driving circuit, and a third pixel driving circuit; and a first voltage supply line, a second voltage supply line, and a third voltage supply line configured to provide a constant voltage signal respectively to the first pixel driving circuit, the second pixel driving circuit, and the third pixel driving circuit. The first voltage signal line crosses over a second capacitor electrode in the first pixel driving circuit by a first overlapping area. The second voltage supply line crosses over a second capacitor electrode in the second pixel driving circuit by a second overlapping area. The third voltage supply line crosses over a second capacitor electrode in the third pixel driving circuit by a third overlapping area. The third overlapping area is greater than the first overlapping area, and is greater than the second overlapping area.Type: GrantFiled: July 12, 2023Date of Patent: April 30, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
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Publication number: 20240130175Abstract: Provided is a display substrate. A base substrate includes a display region (100), a binding region located on one side of the display region (100), and a first peripheral region (200) located between the display region and the binding region. The display region (100) comprises multiple display units. A power line (210, 220) is disposed in the first peripheral region (200) of the base substrate, and is electrically connected to the display units. An organic insulating layer is disposed on the side of the power line away from the base substrate. In the first peripheral region (200), the organic insulating layer includes at least two organic grooves and an isolation dam (410, 420) disposed between every two adjacent organic grooves, and the organic grooves penetrate through the organic insulating layer.Type: ApplicationFiled: May 13, 2021Publication date: April 18, 2024Inventors: Tinghua SHANG, Haigang QING, Lulu YANG, Zhengwei LUO
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Publication number: 20240114736Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.Type: ApplicationFiled: December 14, 2023Publication date: April 4, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lulu YANG, Tinghua SHANG, Guomeng ZHANG, Yu WANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Yi QU, Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
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Publication number: 20240065061Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixels includes a pixel circuit. The plurality of sub-pixels include a first sub-pixel. The compensation sub-circuit of the first sub-pixel includes a first electrode, a second electrode, and a connection portion between the first electrode and the second electrode. The first drive electrode of the light-emitting element of the first sub-pixel includes a first main body portion including a first side parallel to a certain direction, and a first protruding portion protruding from the first side of the first main body portion. The first protruding portion at least partially overlaps with the connection portion of the compensation sub-circuit of the first sub-pixel in a direction perpendicular to the base substrate. The light-emitting element of the first sub-pixel is configured to emit green light.Type: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yi QU, Tinghua SHANG, Lulu YANG, Meng ZHANG, Siyu WANG, Xiaofeng JIANG, Yupeng HE, Huijun LI, Xin ZHANG
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Patent number: 11903274Abstract: A display substrate and a display device are provided. In the display substrate, each of the plurality of anode groups includes a first anode and a second anode, the first anode includes a first main body portion, a first connection portion, an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor, the anode compensation portion has a first point at a side away from the second center line, and the first main body portion has a second point at the first side, the first anode and a connection line between the first point and the second point enclose a notch region, and an area of the notch region is greater than at least one of an area of the anode compensation portion and an area of the first connection portion.Type: GrantFiled: September 10, 2020Date of Patent: February 13, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lulu Yang, Tinghua Shang, Guomeng Zhang, Yu Wang, Xiaofeng Jiang, Xin Zhang, Yupeng He, Yi Qu, Biao Liu, Mengmeng Du, Xiangdan Dong, Hongwei Ma
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Patent number: 11893913Abstract: The present disclosure relates to a display substrate, a display panel and a display device. The display substrate includes: a base substrate including a display area and a peripheral area surrounding the display area; a common electrode located in the peripheral area and surrounding the display area; a panel crack detection line located in the peripheral area and surrounding the display area, wherein the panel crack detection line is located on one side of the common electrode away from the display area; and at least one electrostatic discharge circuit located in the peripheral area, wherein the at least one electrostatic discharge circuit includes at least one first thin film transistor including an active layer, a gate, a source and a drain, the source and the drain are electrically connected to the panel crack detection line, and the gate is electrically connected to the common electrode.Type: GrantFiled: April 15, 2020Date of Patent: February 6, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaofeng Jiang, Linhong Han, Huijun Li, Huijuan Yang, Yu Wang, Lu Bai, Jie Dai, Lulu Yang, Yi Qu, Siyu Wang, Hao Zhang, Xin Zhang
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Patent number: 11864413Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.Type: GrantFiled: May 15, 2020Date of Patent: January 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yupeng He, Yang Zhou, Xin Zhang, Pengfei Yu, Xiaofeng Jiang, Yi Qu, Lulu Yang, Huijun Li, Meng Zhang
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Patent number: 11844251Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixels includes a pixel circuit. The plurality of sub-pixels include a first sub-pixel. The compensation sub-circuit of the first sub-pixel includes a first electrode, a second electrode, and a connection portion between the first electrode and the second electrode. The first drive electrode of the light-emitting element of the first sub-pixel includes a first main body portion including a first side parallel to a certain direction, and a first protruding portion protruding from the first side of the first main body portion. The first protruding portion at least partially overlaps with the connection portion of the compensation sub-circuit of the first sub-pixel in a direction perpendicular to the base substrate. The light-emitting element of the first sub-pixel is configured to emit green light.Type: GrantFiled: April 15, 2021Date of Patent: December 12, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yi Qu, Tinghua Shang, Lulu Yang, Meng Zhang, Siyu Wang, Xiaofeng Jiang, Yupeng He, Huijun Li, Xin Zhang
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Publication number: 20230371329Abstract: An array substrate includes a first pixel driving circuit, a second pixel driving circuit, and a third pixel driving circuit; and a first voltage supply line, a second voltage supply line, and a third voltage supply line configured to provide a constant voltage signal respectively to the first pixel driving circuit, the second pixel driving circuit, and the third pixel driving circuit. The first voltage signal line crosses over a second capacitor electrode in the first pixel driving circuit by a first overlapping area. The second voltage supply line crosses over a second capacitor electrode in the second pixel driving circuit by a second overlapping area. The third voltage supply line crosses over a second capacitor electrode in the third pixel driving circuit by a third overlapping area. The third overlapping area is greater than the first overlapping area, and is greater than the second overlapping area.Type: ApplicationFiled: July 12, 2023Publication date: November 16, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
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Patent number: 11751464Abstract: Provided is a display substrate. The display substrate includes: a base substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of data transmission lines, a plurality of electrostatic discharge circuits, a panel crack detection trace, and a plurality of electrostatic discharge dummy circuits. At least one of the electrostatic discharge dummy circuits may be connected to the panel crack detection trace. A display device is also provided.Type: GrantFiled: May 6, 2020Date of Patent: September 5, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiaofeng Jiang, Linhong Han, Huijuan Yang, Meng Zhang, Jie Dai, Xin Zhang, Huijun Li, Yu Wang, Lulu Yang, Lu Bai, Siyu Wang, Yupeng He
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Patent number: 11727872Abstract: A pixel circuit, a display substrate and a display device are disclosed. The pixel circuit includes: a threshold compensation transistor, a shielding element including a first shielding portion and a second shielding portion coupled with each other; a data writing transistor, orthographic projections of an active layer of the data writing transistor and the gate of the data writing transistor on the substrate are overlapped to form a first overlapping area; the first electrode and the active layer of the data writing transistor are in a same layer, orthographic projections of the first electrode of the data writing transistor and the second shielding portion on the substrate are overlapped to form a second overlapping area; a size of the second overlapping area in the first direction is smaller than that of the first overlapping area in the first direction.Type: GrantFiled: October 26, 2020Date of Patent: August 15, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lulu Yang, Tinghua Shang, Huijuan Yang, Xiaofeng Jiang, Yupeng He, Huijun Li, Yi Qu, Meng Zhang, Xin Zhang, Hao Zhang
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Publication number: 20230253805Abstract: Embodiments of this application propose a low-voltage redundant power supply system, including: a high-voltage battery pack, configured to provide a first voltage and including a number of power supply units sequentially connected in series, each of the power supply units being at least one battery in the high-voltage battery pack or an equivalent power supply formed by connecting a number of batteries in series/parallel; and a relay array, with relays in the relay array connected to the power supply units in the high-voltage battery pack based on a specified connection relationship, where in at least one on/off state combination of the relay array, at least one power supply unit in the high-voltage battery pack is reused in a time-division manner to provide a second voltage to supply power to a low-voltage load; and the first voltage is higher than the second voltage.Type: ApplicationFiled: April 13, 2023Publication date: August 10, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Hui Wang, Lulu Yang, Jian Sun, Tianzhu Song
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Patent number: 11723249Abstract: An array substrate is provided. A first virtual line and a second virtual line respectively cross over a first voltage supply line, a second voltage supply line, and a third voltage supply line. The first voltage supply line, the second voltage supply line, and the third voltage supply line respectively include a first voltage supply line portion, a second voltage supply line portion, and a third voltage supply line portion, respectively between the first virtual line and the second virtual line. An orthographic projection of a third anode of a third light emitting element on a base substrate completely covers an orthographic projection of the third voltage supply line portion on the base substrate. The third voltage supply line portion has a line width greater than a line width of the first voltage supply line portion, and greater than a line width of the second voltage supply line portion.Type: GrantFiled: December 25, 2020Date of Patent: August 8, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
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Publication number: 20230202343Abstract: This application relates to the technical field of electric vehicles, and in particular, to charging systems and methods. An example charging system includes: a low-voltage battery capable of supplying power to a low-voltage electrical device of a vehicle; a power battery module; a direct current-to-direct current (DC-DC) converter capable of receiving a voltage supplied by the power battery module in response to at least that a positive relay and a negative relay of the power battery module are closed, and converting the voltage into a charging voltage of the low-voltage battery to charge the low-voltage battery; and a DC-DC controller electrically connected to the low-voltage battery and capable of monitoring a voltage of the low-voltage battery in response to at least that the vehicle is in a dormant state.Type: ApplicationFiled: March 7, 2023Publication date: June 29, 2023Inventors: Tianzhu SONG, Jian SUN, Hui WANG, Lulu YANG
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Publication number: 20230202551Abstract: One example steering mechanism includes a first steering gear, where the first steering gear is configured to convert obtained driving force to transmit driving force to an outer-side wheel during steering, to control steering force applied to the outer-side wheel. The example steering mechanism includes a second steering gear, where the second steering gear is configured to convert obtained driving force to transmit driving force to an inner-side wheel during steering, to control steering force applied to the inner-side wheel. The first steering gear and the second steering gear are connected by using a first clutch. If the first clutch is in a disengaged state, driving force is not transmitted between the first steering gear and the second steering gear. If the first clutch is in an engaged state, driving force is transmitted between the first steering gear and the second steering gear.Type: ApplicationFiled: March 7, 2023Publication date: June 29, 2023Inventors: Hui WANG, Lulu YANG, Jian SUN, Tianzhu SONG
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Publication number: 20230172032Abstract: A display panel and a display apparatus. The display panel includes a base layer, a pixel defining layer, red pixels, green pixels, blue pixels, and spacers. The pixel defining layer is on the base layer. The pixel defining layer is formed with a plurality of openings. The red pixels, the green pixels, and the blue pixels are on the base layer. The red pixels, the green pixels, and the blue pixels each are corresponding to one of the openings. The spacers are on the pixel defining layer. The spacers each are between the green pixel and blue pixel adjacent to each other.Type: ApplicationFiled: March 9, 2021Publication date: June 1, 2023Inventors: Lulu YANG, Zhenhua ZHANG, Huijun LI, Tinghua SHANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Hao ZHANG, Yi QU
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Publication number: 20230137482Abstract: An array substrate is provided. The array substrate includes a gate line; a data line; a voltage supply line; and a pixel driving circuit. The pixel driving circuit includes a plurality of transistors and a storage capacitor. The storage capacitor includes a first capacitor electrode, a second capacitor electrode, and an insulating layer between the first capacitor electrode and the second capacitor electrode. The second capacitor electrode is electrically connected to the voltage supply line. The second capacitor electrode includes a first portion and a second portion as parts of a first unitary structure in a respective subpixel. The voltage supply line crosses over the first portion by a first crossing-over distance. The data line crosses over the second portion by a second crossing-over distance. The first crossing-over distance is greater than the second crossing-over distance.Type: ApplicationFiled: December 25, 2020Publication date: May 4, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Siyu Wang, Tinghua Shang, Yi Zhang, Chang Luo, Huijuan Yang, Xiaofeng Jiang, Yongjie Song, Shun Zhang, Lulu Yang
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Publication number: 20220399427Abstract: An array substrate is provided. A first virtual line and a second virtual line respectively cross over a first voltage supply line, a second voltage supply line, and a third voltage supply line. The first voltage supply line, the second voltage supply line, and the third voltage supply line respectively include a first voltage supply line portion, a second voltage supply line portion, and a third voltage supply line portion, respectively between the first virtual line and the second virtual line. An orthographic projection of a third anode of a third light emitting element on a base substrate completely covers an orthographic projection of the third voltage supply line portion on the base substrate. The third voltage supply line portion has a line width greater than a line width of the first voltage supply line portion, and greater than a line width of the second voltage supply line portion.Type: ApplicationFiled: December 25, 2020Publication date: December 15, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
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Publication number: 20220367590Abstract: An array substrate is provided. The array substrate includes a gate line extending along a first direction. The gate line includes a plurality of wide portions and a plurality of narrow portions respectively arranged along the first direction, the plurality of wide portions having a first dimension greater than a second dimension of the plurality of narrow portions along a second direction, the second direction at an angle in a range of 80 degrees to 100 degrees with respect to the first direction. An orthographic projection of a respective one of the plurality of wide portions in the respective subpixel on the base substrate overlaps with an orthographic projection of a portion of the semiconductor material layer in the respective subpixel on the base substrate, forming an active layer of the data-write transistor in the respective subpixel.Type: ApplicationFiled: November 17, 2020Publication date: November 17, 2022Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Huijuan Yang, Xiaofeng Jiang, Tinghua Shang, Yang Zhou, Yi Zhang, Lulu Yang, Lu Bai
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Publication number: 20220367602Abstract: Disclosed are a display panel and a display device. The display panel comprises: a base substrate, a plurality of scanning lines, a first insulating layer, a plurality of data lines, an interlayer insulating layer, and an auxiliary power line. The auxiliary power line comprises: a plurality of sub-auxiliary power lines and a plurality of auxiliary conduction lines; the plurality of sub-auxiliary power lines are arranged in a first direction and extend in a second direction, and two sub-auxiliary power lines that are at least partially adjacent are electrically connected by means of at least one auxiliary conduction line; the orthographic projection of at least one of the plurality of auxiliary conduction lines on the base substrate does not overlap the orthographic projections of the scanning lines on the base substrate.Type: ApplicationFiled: March 25, 2020Publication date: November 17, 2022Inventors: Huijun LI, Tingliang LIU, Tinghua SHANG, Huijuan YANG, Lulu YANG, Xiaofeng JIANG, Yi QU, Xin ZHANG, Meng ZHANG, Junxi WANG, Siyu WANG, Lu BAI, Jie DAI, Hao ZHANG, Yu WANG, Mengqi WANG