Patents by Inventor Mengqi WANG
Mengqi WANG 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).
-
Patent number: 11785806Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, an anode layer and a plurality of pixel driving circuits, the plurality of pixel driving circuits includes a first conductive layer and a second conductive layer; the anode layer includes a first anode, the second conductive layer includes a first conductive portion and a second conductive portion, the second conductive portion includes a main body, a heel block, and a connection block, the heel block is located at a side of the main body close to the first anode, and an orthographic projection of the first conductive portion on the base substrate is overlapped with an orthographic projection of the first anode on the base substrate, and an orthographic projection of the second conductive portion on base substrate is overlapped with an orthographic projection of the first anode on the base substrate.Type: GrantFiled: March 21, 2022Date of Patent: October 10, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Siyu Wang, Mengqi Wang, Shun Zhang, Jie Dai, Tinghua Shang
-
Patent number: 11735107Abstract: A display substrate and manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and a shift register unit and a first clock signal line that are on the base substrate, the first clock signal line extends along a first direction on the base substrate, the shift register unit includes an input circuit, an output circuit, a first control circuit, a second control circuit, and an output control circuit; and an orthographic projection of the intermediate transfer electrode on the base substrate is between a whole of an orthographic projection of the active layer of the first control transistor on the base substrate and an orthographic projection of the second control transistor on the base substrate and orthographic projections of the active layers of the first noise reduction transistor and the second noise reduction transistor on the base substrate.Type: GrantFiled: April 10, 2020Date of Patent: August 22, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Pengfei Yu, Lu Bai, Jie Dai, Mengqi Wang, Huijun Li, Yupeng He, Hao Zhang, Meng Zhang, Xin Zhang
-
Publication number: 20230245623Abstract: A display substrate includes a scan driving circuit and a display area. The scan driving circuit includes a plurality of shift register units, a first voltage signal line, a second voltage signal line, a first clock signal line, and a second clock signal line, all of which extend in a first direction. The display area includes at least one driving transistor configured to drive a light-emitting element for display. At least one of the plurality of shift register units includes an output circuit and a signal output line, wherein the output circuit is coupled to the first voltage signal line, the second voltage signal line, and the signal output line, and the signal output line extends in a second direction intersecting the first direction. The output circuit includes a transistor that is provided between the first voltage signal line and the second voltage signal line.Type: ApplicationFiled: April 7, 2023Publication date: August 3, 2023Inventors: Jie DAI, Pengfei YU, Shun ZHANG, Lu BAI, Siyu WANG, Mengqi WANG, Hao ZHANG
-
Patent number: 11699397Abstract: The present disclosure provides a display substrate, a manufacturing method and a display device. The display substrate comprises a scan driving circuit and a display area, wherein the scan driving circuit comprises a plurality of shift register units, a first voltage signal line, a second voltage signal line, a first clock signal line, and a second clock signal line, all of which extend in a first direction; and the display area comprises at least one driving transistor configured to drive a light-emitting element for display. At least one of the plurality of shift register units comprises an output circuit and a signal output line, wherein the output circuit is coupled to the first voltage signal line, the second voltage signal line, and the signal output line, and the signal output line extends in a second direction intersecting the first direction. The output circuit comprises a transistor that is provided between the first voltage signal line and the second voltage signal line.Type: GrantFiled: March 16, 2020Date of Patent: July 11, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jie Dai, Pengfei Yu, Shun Zhang, Lu Bai, Siyu Wang, Mengqi Wang, Hao Zhang
-
Patent number: 11676532Abstract: A display substrate, a display panel, and a display device are provided. The display substrate includes: a base substrate; a plurality of sub-pixels in the display pixel region, wherein each sub-pixel includes a pixel driving circuit; a plurality of first dummy sub-pixel structures on the base substrate and in the first dummy pixel region, wherein at least one first dummy sub-pixel structure includes a compensation capacitor; and a plurality of scan signal lines arranged on the base substrate and configured to transmit a scan signal to the pixel driving circuit. At least one scan signal line extends through the display pixel region and the first dummy pixel region, and the at least one scan signal line is electrically connected to the pixel driving circuit of each sub-pixel in a row of sub-pixels and is further electrically connected to the compensation capacitor of the at least one first dummy sub-pixel structure.Type: GrantFiled: November 13, 2020Date of Patent: June 13, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengqi Wang, Haigang Qing, Zhengkun Li, De Li, Hong Yi, Shilong Wang
-
Publication number: 20230140365Abstract: A system and method for automatically determining a topology configuration for a power converter. The system is configured to perform a method that includes the steps of: receiving, at a workstation, one or more design attributes from a user; automatically selecting a topology through use of a machine learning (ML) technique that takes, as input, the received design attribute(s); determining one or more design parameter values for one or more design parameters to be used along with the automatically selected topology; and providing the automatically selected topology and determined design parameter value(s) to the user.Type: ApplicationFiled: November 1, 2022Publication date: May 4, 2023Inventors: Wencong SU, Yi Lu MURPHEY, Mengqi WANG, Can HUANG, Ruben GLATT
-
Patent number: 11590850Abstract: A vehicle power system includes a coil that, in a first operational mode, receives power wirelessly from an external source, a first battery connected to the coil to receive power transferred from the coil while the coil is in the first operational mode, a second battery that receives power from the first battery, and a switch that switches the coil between the first operational mode and a second operational mode in which the coil receives power from the second battery and wirelessly transfers power from the second battery to an electrical load in the vehicle.Type: GrantFiled: February 2, 2021Date of Patent: February 28, 2023Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., The Regents of the University of MichiganInventors: Yanghe Liu, Qunfang Wu, Mengqi Wang, Weiyang Zhou, Chungchih Chou
-
Publication number: 20230006019Abstract: A display substrate and a display device are provided. In the display substrate, the plurality anodes includes a first anode, a second anode, a third anode, and a fourth anode, the second planarization layer includes a first via hole, a second via hole, a third via hole and a fourth via hole, the first via hole is located between the first virtual straight line and a second virtual straight line passing through an center of the effective light emitting region of the light emitting element corresponding to the first anode and extending along the first direction, the first via hole is located at a side of a bisector line, extending along a second direction, of the effective light emitting region of the light emitting element corresponding to the first anode, the second direction intersects with the first direction.Type: ApplicationFiled: September 8, 2022Publication date: January 5, 2023Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Siyu WANG, Mengqi WANG, Shun ZHANG, Jie DAI, Tinghua SHANG
-
Publication number: 20220406260Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.Type: ApplicationFiled: April 28, 2020Publication date: December 22, 2022Inventors: Yuqian PANG, Yunsheng XIAO, Haigang QING, Miao WANG, Tiaomei ZHANG, Mengqi WANG
-
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
-
Publication number: 20220344442Abstract: A display substrate and a display panel, the display substrate includes a base substrate and a plurality of sub-pixels, a plurality of data lines and a plurality of data wirings located on the base substrate. The plurality of data wirings includes a first data wiring, a second data wiring and a third data wiring that are periodically arranged. The first data wiring is located in a first conductor layer. The second data wiring is located in a second conductor layer. The third data wiring is located in a third conductor layer. An orthographic projection of a part of at least one first data wiring on the base substrate overlaps with an orthographic projection of a part of at least one third data wiring on the base substrate.Type: ApplicationFiled: February 24, 2021Publication date: October 27, 2022Inventors: Hong Yi, Zhengkun Li, Jun Yan, Mengqi Wang, De Li, Haigang Qing
-
Publication number: 20220320246Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate; a plurality of pixel driving circuits; a first conductive layer; a first planarization layer; and a second conductive layer; the second conductive layer includes a first conductive portion, the first conductive portion includes a closed annular portion, which is separated from at least one conductive portion adjacent thereto, each light emitting element groups includes a first light emitting element, the first light emitting element includes a first anode, and an orthographic projection of the first anode overlaps with an orthographic projection of the closed annular portion; the plurality of conductive portions further include a second conductive portion adjacent to the first conductive portion, and an orthographic projection of the second conductive portion on the base substrate overlaps with the orthographic projection of the first anode on the base substrate.Type: ApplicationFiled: March 23, 2021Publication date: October 6, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Siyu WANG, Mengqi WANG, Shun ZHANG, Jie DAI, Tinghua SHANG
-
Publication number: 20220319410Abstract: A display substrate and manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and a shift register unit and a first clock signal line that are on the base substrate, the first clock signal line extends along a first direction on the base substrate, the shift register unit includes an input circuit, an output circuit, a first control circuit, a second control circuit, and an output control circuit; and an orthographic projection of the intermediate transfer electrode on the base substrate is between a whole of an orthographic projection of the active layer of the first control transistor on the base substrate and an orthographic projection of the second control transistor on the base substrate and orthographic projections of the active layers of the first noise reduction transistor and the second noise reduction transistor on the base substrate.Type: ApplicationFiled: April 10, 2020Publication date: October 6, 2022Inventors: Pengfei YU, Lu BAI, Jie DAI, Mengqi WANG, Huijun LI, Yupeng HE, Hao ZHANG, Meng ZHANG, Xin ZHANG
-
Publication number: 20220285472Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, an anode layer and a plurality of pixel driving circuits, the plurality of pixel driving circuits includes a first conductive layer and a second conductive layer; the anode layer includes a first anode, the second conductive layer includes a first conductive portion and a second conductive portion, the second conductive portion includes a main body, a heel block, and a connection block, the heel block is located at a side of the main body close to the first anode, and an orthographic projection of the first conductive portion on the base substrate is overlapped with an orthographic projection of the first anode on the base substrate, and an orthographic projection of the second conductive portion on base substrate is overlapped with an orthographic projection of the first anode on the base substrate.Type: ApplicationFiled: March 21, 2022Publication date: September 8, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Siyu WANG, Mengqi WANG, Shun ZHANG, Jie DAI, Tinghua SHANG
-
Publication number: 20220254855Abstract: Provided is a display panel, including a display pixel unit located in a display region, the display pixel unit including a threshold compensation transistor, the threshold compensation transistor including a first channel and a second channel being connected by a conductive connection portion; a dummy pixel unit located in a dummy region; a first signal line located in the dummy region and configured to provide a constant voltage; and a first conductive block connected to the first signal line. The display pixel unit includes a first display pixel unit, the first display pixel unit is a display pixel unit adjacent to the dummy pixel unit in a row direction, and in a plan view of the display panel, the first conductive block at least partially overlaps the conductive connection portion of the threshold compensation transistor of the first display pixel unit. A display device is further provided.Type: ApplicationFiled: March 25, 2020Publication date: August 11, 2022Inventors: Shun ZHANG, Yang ZHOU, Tinghua SHANG, Huijuan YANG, Tingliang LIU, Siyu WANG, Mengqi WANG, Yu WANG
-
Publication number: 20220242255Abstract: In one embodiment, a vehicle power system includes a coil that, in a first operational mode, receives power wirelessly from an external source, a first battery connected to the coil to receive power transferred from the coil while the coil is in the first operational mode, a second battery that receives power from the first battery, and a switch that switches the coil between the first operational mode and a second operational mode in which the coil receives power from the second battery and wirelessly transfers power from the second battery to an electrical load in the vehicle.Type: ApplicationFiled: February 2, 2021Publication date: August 4, 2022Inventors: Yanghe Liu, Qunfang Wu, Mengqi Wang, Weiyang Zhou, Chungchih Chou
-
Publication number: 20220247331Abstract: Methods, apparatuses and systems provide technology for a high frequency alternating-current (HFAC) distribution network for a vehicle that includes a plurality of HFAC zones coupled to a direct-current (DC) power source, the plurality of HFAC zones disbursed within the vehicle, where each HFAC zone includes a HFAC resonant inverter to convert DC power to HFAC power and a HFAC bus coupled to the HFAC resonant inverter, the HFAC bus to distribute the HFAC power to one or more loads. The technology includes a CLCL resonant tank circuit having two capacitors and two inductors, a push-pull circuit coupled to the CLCL resonant tank circuit, the push-pull circuit including a pair of switches, and a transformer to couple the inverter to the HFAC bus.Type: ApplicationFiled: February 3, 2021Publication date: August 4, 2022Applicant: Toyota Motor Engineering & Manufacturing North America, IncInventors: Yanghe Liu, Qunfang Wu, Mengqi Wang, Weiyang Zhou, Chungchih Chou, Hiroshi Ukegawa
-
Publication number: 20220238630Abstract: Disclosed are a display substrate and a display device. The display substrate includes: a base substrate, a first gate layer, a second gate layer and a first conductive layer. The first gate layer includes a reset signal line extending in a first direction, and a first electrode block; the second gate layer includes a second electrode block, wherein the second electrode block is configured to form a storage capacitor with the first electrode block; and the first conductive layer includes a power line extending in a second direction, wherein the reset signal line and the power line have a first overlapped region, and the second electrode block and the power line have a second overlapped region. The width of the power line located in the first overlapped region is smaller than the width of the power line located in the second overlapped region.Type: ApplicationFiled: March 25, 2020Publication date: July 28, 2022Inventors: Lulu YANG, Tinghua SHANG, Yi QU, Xin ZHANG, Huijun LI, Xiaofeng JIANG, Mengqi WANG, Meng ZHANG, Siyu WANG
-
Publication number: 20220194306Abstract: Systems and methods are provided for wireless power transfer in a vehicle. A wireless power transfer system can include a high-frequency alternating current (HFAC) inverter electrically coupled to the power source and a transmitter to wirelessly transmit a HFAC power signal to at least one device of a vehicle, such as sensors (e.g., LiDAR, GPS etc.) and cameras. The HFAC power signal provides wireless power and a data signal to the at least one device of a vehicle. The wireless power transfer system can eliminate the need for cabling and wires to provide power to the device. Wireless power transfer can include use or a data modulation circuit and a pulse current source to inject a pulse current to the HFAC power signal as superimposed data. System configurations can power a plurality of devices. Systems can includes a plurality of HFAC inverters and transmitters to power multiple sets of devices.Type: ApplicationFiled: February 1, 2021Publication date: June 23, 2022Applicants: Toyota Motor Engineering & Manufacturing North America, Inc., The Regents Of The University Of MichiganInventors: Yanghe LIU, Chungchih CHOU, Hiroshi UKEGAWA, Qunfang WU, Mengqi WANG, Weiyang ZHOU
-
Publication number: 20220199656Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display device. The display substrate includes a base substrate and a plurality of subpixels arranged in an array form on the base substrate. Each subpixel includes a voltage stabilizing electrode, and a subpixel driving circuitry including a driving transistor, and a first transistor, a first electrode of which is coupled to a second electrode of the driving transistor, and a second electrode of which is coupled to a gate electrode of the driving transistor. An active layer of the first transistor includes a first semiconductor portion and a second semiconductor portion spaced apart from each other, and a conductor portion coupled to thereto. An orthogonal projection of the conductor portion onto the base substrate overlaps an orthogonal projection of voltage stabilizing electrode of a previous subpixel in the first direction onto the base substrate.Type: ApplicationFiled: June 30, 2020Publication date: June 23, 2022Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Mengqi WANG, Siyu WANG, Huijun LI