Patents by Inventor Jiangnan Lu
Jiangnan Lu 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: 12205506Abstract: A display substrate and a display device are provided. The display substrate includes a shift register unit, a first clock signal line and a first power line, the shift register unit includes a charge pump circuit, and the charge pump circuit includes a first capacitor, a first transistor and a second capacitor. The charge pump circuit is electrically connected with a first input node and a first node, respectively. A first electrode plate of the first capacitor is connected with the first clock signal line, a second electrode plate of the first capacitor is connected with the first input node, a first electrode plate of the second capacitor is connected with the first power line, a second electrode plate of the second capacitor is connected with the first node, a gate electrode of the first transistor is connected with a first electrode or a second electrode of the first transistor.Type: GrantFiled: March 24, 2021Date of Patent: January 21, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Guangliang Shang, Libin Liu, Long Han, Yu Feng
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Patent number: 12205540Abstract: A shift register unit, a driving method thereof, a gate driving circuit and a display panel are provided. The shift register unit includes an input circuit, a reset circuit, a first output circuit and a second output circuit; the input circuit is configured to control a level of a first node in response to a first input signal; the reset circuit is configured to reset the first node in response to a reset signal; the first output circuit is configured to output a shift signal under control of the level of the first node; and the second output circuit is configured to, in a first phase, under control of the level of the first node, output a plurality of sub-pulses at the first output terminal as a first output signal in a case where the shift output terminal outputs a first level of the shift signal.Type: GrantFiled: March 18, 2021Date of Patent: January 21, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Guangliang Shang, Xinshe Yin, Libin Liu, Jianchao Zhu, Hao Zhang, Ke Feng
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Patent number: 12205541Abstract: An array substrate and a display device are provided. The array substrate includes a plurality of pixel driving circuits, each of which includes a driving transistor, a first light emitting control transistor, a compensation transistor, a first initialization transistor and a second initialization transistor; a first electrode of the first initialization transistor and a first electrode of the first light emitting control transistor are connected to a first node; a first electrode of the second initialization transistor and a first electrode of the compensation transistor are connected to a second node, a second electrode of the first initialization transistor is configured to receive the first initialization signal, and a cathode of the light emitting element is configured to receive a first driving signal, and a difference between a potential of the first initialization signal and a potential of the first driving signal is less than 1.5V.Type: GrantFiled: June 29, 2021Date of Patent: January 21, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Libin Liu, Jiangnan Lu, Shiming Shi, Li Wang
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Patent number: 12183271Abstract: The present disclosure provides a pixel array and a display apparatus. The pixel array includes a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein at least a portion of at least one first sub-pixel of the plurality of first sub-pixels includes an inward indentation, at least a portion of at least one second sub-pixel of the plurality of second sub-pixels includes an inward indentation, and at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel includes an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel.Type: GrantFiled: October 29, 2021Date of Patent: December 31, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan Lu, Shiming Shi, Hui Zhao, Libin Liu, Yanyan Wang, Weiwei Wang
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Patent number: 12183256Abstract: A gate driving unit includes a first input node control circuit and a charge pump circuit; the first input node control circuit controls to connect or disconnect the input terminal and the first input node under the control of a clock signal provided by the clock signal terminal; the charge pump circuit controls to convert a voltage signal of the first input node into a voltage signal of the first node under the control of an input clock signal provided by the input clock signal terminal when the voltage signal of the first input node is a first voltage signal.Type: GrantFiled: September 13, 2023Date of Patent: December 31, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guangliang Shang, Jie Zhang, Jiangnan Lu, Mei Li, Libin Liu
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Publication number: 20240423046Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes a source/drain layer and an anode layer, wherein in the peripheral area, the source/drain layer includes pairs of first signal lines configured to drive circuits, and the pairs of first signal lines include clock signal lines and gate drive lines; and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.Type: ApplicationFiled: August 28, 2024Publication date: December 19, 2024Inventors: Jiangnan LU, Guangliang SHANG, Can ZHENG, Yu FENG, Libin LIU, Jie ZHANG, Mei LI
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Patent number: 12148393Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, and a shift register unit, a first clock signal line and a second clock signal line which are on the peripheral region of the base substrate; the first clock signal line and the second clock signal line extend along a first direction; an active layer of the first control transistor, an active layer of the second control transistor, and an active layer of the third control transistor respectively extend along a second direction, and the active layer of the first control transistor, the active layer of the second control transistor, and the active layer of the third control transistor are on a side of the first clock signal line and the second clock signal line close to the display region, and are arranged side by side in the first direction.Type: GrantFiled: September 11, 2023Date of Patent: November 19, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan Lu, Can Zheng
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Patent number: 12150348Abstract: Provided are a display substrate, a preparation method thereof and a display apparatus. The display substrate includes a substrate and a plurality of pixel units disposed in matrix on the substrate, wherein each pixel unit includes a plurality of sub-pixels, and each sub-pixel includes a driving structure layer, a first electrode and a first pixel define layer on the driving structure layer, and a light absorption layer disposed on the first pixel define layer. The first pixel define layer includes a plurality of first barriers and first pixel openings disposed between the first barriers, the first pixel opening exposes at least part of the first electrode, and the first pixel opening includes a first surface close to the first electrode, a second surface opposite to the first surface and a first sidewall between the first and second surfaces.Type: GrantFiled: December 23, 2020Date of Patent: November 19, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Xin Li, Xing Fan, Jing Yang, Jiangnan Lu, Yansong Li
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Patent number: 12108643Abstract: Provided is a display substrate, the display substrate is provided with a display area and a peripheral area around the display area, and includes: a source/drain layer, a planarization layer and an anode layer which are laminated in sequence, wherein in the peripheral area, the source/drain layer includes at least one pair of first signal lines including a signal line of a gate circuit and the anode layer includes a common power line provided with vent holes; and overlapping areas between two first signal lines in any pair of the first signal lines and a projection pattern of the vent hole are equal, the projection pattern of the vent hole being a pattern of an orthographic projection of the vent hole in the common power line onto the source/drain layer. A display panel and a display device are also provided.Type: GrantFiled: September 27, 2022Date of Patent: October 1, 2024Assignee: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Guangliang Shang, Can Zheng, Yu Feng, Libin Liu, Jie Zhang, Mei Li
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Publication number: 20240321197Abstract: Provided is a display substrate, a drive method thereof and a display apparatus, the display substrate includes: a first drive mode and a second drive mode, the first drive mode has a refresh rate less than that of the second drive mode, wherein the contents displayed on the display substrate include a plurality of display frames, in the first drive mode, the display frames include: a refresh frame and at least one maintain frame; the display substrate includes pixel circuits arranged in an array, the pixel circuits include a data signal line and a first initial signal line; the data signal line provides a first data signal in the maintain frame, the voltage value of the first data signal is constant, and/or the first initial signal line provides a first initial signal in the refresh frame and the maintain frame, the first initial signal is an AC signal.Type: ApplicationFiled: May 12, 2022Publication date: September 26, 2024Inventors: Guangliang SHANG, Jiangnan LU, Li WANG, Mengyang WEN, Xing YAO, Libin LIU
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Patent number: 12101979Abstract: The display substrate includes: a substrate, an auxiliary cathode layer, a first insulating layer, an anode layer, a second insulating layer, and a cathode layer that are sequentially stacked on the substrate in a direction away from the substrate; the anode layer includes a plurality of anode patterns spaced apart from each other, and an anode spacing area is formed between adjacent anode patterns; an orthographic projection of the auxiliary cathode layer on the substrate and an orthographic projection of the cathode layer on the substrate have an auxiliary overlapping area, and the auxiliary cathode layer is electrically connected to the cathode layer through a connection via hole in the auxiliary overlapping area; an orthographic projection of the connection via hole on the substrate is located inside the orthographic projection of the anode spacing area on the substrate.Type: GrantFiled: March 15, 2021Date of Patent: September 24, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan Lu, Libin Liu, Jie Zhang, Mei Li, Yuhan Qian, Shiming Shi
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Publication number: 20240304266Abstract: A shift register unit includes: an input circuit configured to provide an input signal to a first node in response to a first clock signal; a reset circuit configured to provide a first reference signal to a second node in response to a second clock signal; a first control circuit configured to provide the second clock signal to the second node in response to a first control signal; an output circuit configured to provide a third clock signal to a drive output terminal in response to a signal of the first node, and provide a second reference signal to the drive output terminal in response to a signal of the second node; where a duration of an active level of the first control signal is longer than a duration of an active level of a signal of the drive output terminal.Type: ApplicationFiled: May 26, 2022Publication date: September 12, 2024Inventors: Jiangnan LU, Guangliang SHANG, Jianchao ZHU, Zhenzhen SHAN, Xing YAO
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Patent number: 12089446Abstract: A display substrate includes: a base substrate; a light-emitting unit in each pixel region and including a first electrode, an organic light-emitting layer, and a second electrode sequentially disposed in a direction away from the base substrate; an auxiliary conductive layer between the light-emitting unit and the base substrate; a pixel circuit in each pixel region and including a driving transistor. The auxiliary conductive layer is on a side of the pixel circuit away from the base substrate, the second electrode has a portion extending out of the pixel region and coupling to the auxiliary conductive layer through a via hole not overlapping the pixel region, the auxiliary conductive layer is insulated and spaced apart from the first electrode and has a mesh or chain shape, and a material of the auxiliary conductive layer is the same as a material of the first and second electrodes of the driving transistor.Type: GrantFiled: February 25, 2021Date of Patent: September 10, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuhan Qian, Libin Liu, Jiangnan Lu, Mei Li, Shiming Shi, Jie Zhang
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Publication number: 20240290271Abstract: A display substrate includes a driving module arranged on the base substrate, the driving module includes a plurality of driving units, and the driving unit includes a plurality of stages of driving circuits; the driving unit includes a first signal line, and the driving circuit includes an output sub-circuit; the display substrate includes at least two metal layers stacked along a direction away from the base substrate; in at least one driving unit, an orthographic projection of the first signal line on the base substrate at least partially overlaps an orthographic projection of a first electrode or a second electrode of at least one transistor included in the output sub-circuit on the base substrate, the first electrode and the second electrode are arranged on the same metal layer, and the first electrode and the first signal line are arranged on different metal layers.Type: ApplicationFiled: June 29, 2022Publication date: August 29, 2024Inventors: Zhenzhen SHAN, Jiangnan LU, Guangliang SHANG, Libin LIU, Jianchao ZHU, Xing YAO
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Publication number: 20240290275Abstract: A scan circuit having a plurality of stages is provided. A respective stage includes a respective scan unit configured to provide a control signal to at least a row of subpixels. The respective scan unit includes an input subcircuit configured to receive a start signal or an output signal from a previous scan unit, a first processing subcircuit, a second processing subcircuit, and an output subcircuit. The output subcircuit includes a first output transistor. The input subcircuit includes a first input transistor and a second input transistor sequentially coupled between an input terminal and a first node. The first node is coupled to a gate electrode of the first output transistor. The first processing subcircuit includes a first switch transistor and a second switch transistor coupled between the first node and a first reference terminal. The first reference terminal is configured to receive a first reference signal.Type: ApplicationFiled: May 31, 2022Publication date: August 29, 2024Applicant: BOE Technology Group Co., Ltd.Inventors: Jiangnan Lu, Zhenzhen Shan, Jianchao Zhu, Guangliang Shang, Xing Yao
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Publication number: 20240290244Abstract: The display panel includes a plurality of rows and a plurality of columns of pixel circuits, a plurality of rows of gate lines, a plurality rows of reset control lines, and a plurality of columns of data lines, a same row of pixel circuits corresponds to two rows of gate lines, and one/the other row of gate line is electrically connected to odd/even-numbered columns of pixel circuits in the row of pixel circuits, and provides a corresponding gate driving signal for the odd/even-numbered columns of pixel circuits; a same column of pixel circuits corresponds to two columns of data lines, and one/the other column of data line of the two columns of data lines is electrically connected to odd/even-numbered rows of pixel circuits, and provides a corresponding data voltage for the odd/even-numbered rows of pixel circuits.Type: ApplicationFiled: May 3, 2024Publication date: August 29, 2024Inventors: Tian DONG, Can ZHENG, Li WANG, Long HAN, Yu FENG, Hao ZHANG, Jiangnan LU, Jie ZHANG, Bo WANG, Jingquan WANG
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Patent number: 12062311Abstract: Provided is a display panel. The display panel includes a substrate including a display region and a non-display region surrounding the display region; and a shift register unit, disposed in the non-display region; wherein the shift register unit includes a first shift circuit and a second shift circuit; wherein the first shift circuit is coupled to a first clock terminal, a second clock terminal, an input signal terminal, a first power terminal, a second power terminal, and a shift node; and the second shift circuit is coupled to the shift node, the first clock terminal, the second clock terminal, a third clock terminal, an enable control terminal, an output control terminal, the first power terminal, the second power terminal, and an output terminal.Type: GrantFiled: August 30, 2021Date of Patent: August 13, 2024Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hao Zhang, Jiangnan Lu
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Publication number: 20240249687Abstract: A display substrate and a display apparatus are disclosed, the display substrate includes multiple light emitting output lines connected with a light emitting drive circuit and multiple scan output lines connected with a scan drive circuit; at least one light emitting output line includes at least two light emitting output parts connected with each other, a scan output line has an integrally formed structure, or, a light emitting output line has an integrally formed structure, at least one scan output line includes at least two scan output parts connected with each other, or at least one light emitting output line includes at least two light emitting output parts connected with each other, at least one scan output line includes at least two scan output parts connected with each other; at least two light emitting output parts located on a same light emitting output line are arranged in different layers.Type: ApplicationFiled: February 28, 2022Publication date: July 25, 2024Inventors: Jiangnan LU, Ke FENG
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Publication number: 20240221565Abstract: Provided is a display panel. The display panel includes a substrate including a display region and a non-display region surrounding the display region; and a shift register unit, disposed in the non-display region; wherein the shift register unit includes a first shift circuit and a second shift circuit; wherein the first shift circuit is coupled to a first clock terminal, a second clock terminal, an input signal terminal, a first power terminal, a second power terminal, and a shift node; and the second shift circuit is coupled to the shift node, the first clock terminal, the second clock terminal, a third clock terminal, an enable control terminal, an output control terminal, the first power terminal, the second power terminal, and an output terminal.Type: ApplicationFiled: August 30, 2021Publication date: July 4, 2024Inventors: Hao Zhang, Jiangnan Lu
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Publication number: 20240212590Abstract: The present disclosure provides a pixel array and a display apparatus. The pixel array includes a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein at least a portion of at least one first sub-pixel of the plurality of first sub-pixels includes an inward indentation, at least a portion of at least one second sub-pixel of the plurality of second sub-pixels includes an inward indentation, and at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel includes an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel.Type: ApplicationFiled: October 29, 2021Publication date: June 27, 2024Inventors: Jiangnan LU, Shiming SHI, Hui ZHAO, Libin LIU, Yanyan WANG, Weiwei WANG