Patents by Inventor Lily Du
Lily Du 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: 12022698Abstract: The present disclosure provides an array substrate, a display panel and a display device. The array substrate includes: a base substrate; a low temperature poly-silicon thin film transistor located on the base substrate and including a poly-silicon active layer and a first gate which are laminated on the base substrate; an oxide thin film transistor located on the base substrate and including an oxide active layer and a second gate which are laminated on the base substrate; and a light shielding layer, where an overlapping area of a projection of the light shielding layer on the base substrate and an orthographic projection of the oxide active layer on the base substrate is S1, an overlapping area of the projection of the light shielding layer on the base substrate and an orthographic projection of the poly-silicon active layer on the base substrate is S2, and S1 is greater than S2.Type: GrantFiled: September 22, 2020Date of Patent: June 25, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Benlian Wang, Yue Long, Lili Du, Yao Huang, Weiyun Huang, Tianyi Cheng
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Patent number: 12022701Abstract: Provided are a display panel and a display device. A dummy electrode pattern is disposed in a first display region of the display panel and disposed in a different layer from a first connection trace. The first connection trace can connect a second light-emitting unit group in a second display region to a second pixel circuit group in the first display region through the dummy electrode pattern. An overlapping area between the dummy electrode pattern and the first connection trace is approximately the same as that between a first electrode and the first connection trace.Type: GrantFiled: June 23, 2022Date of Patent: June 25, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Yuanyou Qiu, Yue Long, Xingliang Xiao, Yao Huang, Tianyi Cheng
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Publication number: 20240203352Abstract: A display substrate and a display device. The display substrate includes a base substrate and multiple reset signal lines. The base substrate includes a display area; each of sub-pixels includes a pixel driving circuit and a light emitting element; the light emitting element includes a light emitting area and a first electrode; the pixel driving circuit is configured to drive the light emitting element to emit light; orthographic projections of the first electrodes of the light emitting elements of the sub-pixels of multiple pixel units on the substrate surface of the base substrate at least partially overlap with orthographic projections of the pixel driving circuits of the sub-pixels of the multiple pixel units on the substrate surface of the base substrate, and are located on the same side as the reset signal lines electrically connected to the pixel driving circuits of the sub-pixels of the multiple pixel units.Type: ApplicationFiled: March 4, 2024Publication date: June 20, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili DU, Kaipeng SUN, Yue LONG, Chao WU, Yudiao CHENG
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Publication number: 20240194101Abstract: A display substrate and a display device are provided. The display substrate includes a display region and a non-display region at least partially surrounding the display region and including a binding region. A plurality of first pads are located in the binding region, and configured to be electrically coupled to an external electrical test circuitry at a panel test stage, and bound to a circuit board so as to transmit an electric signal from the circuit board to the display region at a display stage. A plurality of second pads are located in the binding region, and configured to be bound to the circuit board so as to transmit the electric signal from the circuit board to the display region at the display stage.Type: ApplicationFiled: June 1, 2021Publication date: June 13, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Lili Du, Hongjun Zhou, Feng Wei
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Publication number: 20240196655Abstract: A display panel and a display device are provided. The display panel includes: a base substrate including a display region and a peripheral region; a pixel defining layer having a first part located in the display region and a second part located in the peripheral region, the second part and the first part being formed as an integral structure; and a spacer layer arranged on a side of the pixel defining layer away from the base substrate. The spacer layer includes a first spacer repetitive unit located in the display region and a second spacer repetitive unit located in the peripheral region. An orthographic projection of the second spacer repetitive unit on the base substrate falls within that of the second part on the base substrate and is located on a side, facing the display region, of a boundary, which is away from the display region, of the second part.Type: ApplicationFiled: May 31, 2021Publication date: June 13, 2024Inventors: Feng Wei, Ming Hu, Hongjun Zhou, Lili Du, Cong Liu
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Publication number: 20240188355Abstract: The present disclosure is related to a display panel, a display device and a terminal device. The display panel includes a driving backplate, an interconnection layer and a light-emitting layer. Pixel circuits in a driving region include first and second pixel circuits. The driving backplate has first interconnection holes, and any one of the pixel circuits is connected to one of the first interconnection holes. An interconnection region of the interconnection layer includes two interconnection portions each of which has second interconnection holes. First and second interconnection holes connected to the same lead are located in the same hole row to form a hole group. First and second interconnection holes in one of two adjacent hole groups are located between first and second interconnection holes in the other hole group.Type: ApplicationFiled: May 13, 2021Publication date: June 6, 2024Inventors: Lili DU, Yudiao CHENG, Yue LONG, Weiyun HUANG
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Patent number: 12003093Abstract: Disclosed are an electrostatic protection circuit, a display substrate and a display apparatus. The electrostatic protection circuit includes: a plurality of first transistors (11) on a base substrate, each of which includes a gate, an active layer (112), a first electrode (113), a second electrode (114) and a connection part (115). Gates of the first transistors (11) are connected to each other to form a control line (12). The first electrode (113) of each first transistor (11) is electrically connected to a panel crack detect line (PL), the connection part (115) is connected between the first electrode (113) and the second electrode (114), and the active layer (112) and the gate of each first transistor (11) are arranged in an overlapping manner and insulated and separated from each other to form a first capacitor. The control line (12) is electrically connected to a first power supply line (VSS).Type: GrantFiled: June 15, 2021Date of Patent: June 4, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianchang Cai, Yue Long, Yudiao Cheng, Hongjun Zhou, Lili Du
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Patent number: 11997897Abstract: A display substrate includes a display region and a peripheral region on a periphery of the display region. At least multiple sub-pixels are arranged in the display region. At least one sub-pixel includes a pixel driving circuit arranged on an underlay substrate and a light emitting element connected with the pixel driving circuit. The pixel driving circuit is connected with a first initial signal line. The first initial signal line is arranged to provide a first initial voltage to the light emitting element under the control of the pixel driving circuit. A first power line and a signal connection line are arranged in the peripheral region. The first initial signal line is connected with the first power line through the signal connection line in the peripheral region.Type: GrantFiled: February 10, 2021Date of Patent: May 28, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lili Du, Benlian Wang, Yue Long, Weiyun Huang, Binyan Wang
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Publication number: 20240169912Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor and a data writing transistor; and a data line connected to the data writing transistor; the data line includes a plurality of first-type data lines and a plurality of second-type data lines, each of the plurality of second-type data lines includes a first portion, a second portion, and a third portion, and the first portion and the second portion are connected by the third portion, the third portion and the second portion are located in different layers, the third portion and the first portion are located in different layers, the first portion is closer to the base substrate than the third portion, and the second portion is closer to the base substrate than the third portion.Type: ApplicationFiled: April 30, 2021Publication date: May 23, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue LONG, Yao HUANG, Lili DU, Weiyun HUANG, Yuanjie XU, Binyan WANG, Yudiao CHENG
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Patent number: 11991910Abstract: A display substrate and a display device are provided. The display substrate includes a first display region and a second display region, the first display region includes first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups; the second display region includes second light emitting unit groups and second pixel circuit groups connected with the second light emitting unit groups; a density of the second light emitting unit groups is smaller than that of the first light emitting unit groups. The second pixel circuit groups include first pixel circuit units each including a first pixel circuit and a second pixel circuit, and at least two pixel circuits in the first pixel circuit unit are configured to be electrically connected with a same light emitting unit.Type: GrantFiled: October 15, 2021Date of Patent: May 21, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Weiyun Huang, Yao Huang, Yuanyou Qiu
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Patent number: 11985874Abstract: A display substrate and a display device are provided. The first display region includes a first light-emitting element, and allows light from the first side to be at least partially transmitted to the second side. The first winding portion of the first signal line extends along a curve, the first winding portion, the first bending portion, and the first connecting portion are located in the second display region. The first signal line is configured to transmit a first driving signal to the first pixel circuit to drive the first light-emitting element to emit light. The second signal line is configured to transmit a second driving signal to the second pixel circuit and the third pixel circuit to drive the second light-emitting element and the third light-emitting element to emit light. The third signal line is floating, and is in the second display region and extends along the first direction.Type: GrantFiled: April 15, 2021Date of Patent: May 14, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianchang Cai, Lili Du, Binyan Wang, Yuanyou Qiu, Yudiao Cheng, Guobo Yang
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Publication number: 20240153962Abstract: Embodiments of the disclosure disclose a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes: a base, having a wire routing region; a first wire routing layer, located on the base, where the first wire routing layer in the wire routing region includes a plurality of first routing wires arranged at intervals, and a space between adjacent first routing wires is smaller than 2 um; an insulation layer, located on a side of the first wire routing layer facing away from the base and having a plurality of first via holes corresponding to the first routing wires; a first flat layer, located on a side of the insulation layer facing away from the base and having second via holes corresponding to the first via holes, where the second via holes at least partially overlap with the first via holes.Type: ApplicationFiled: April 29, 2021Publication date: May 9, 2024Inventors: Liang SONG, Long JIANG, Mingwen WANG, Pengyu LIAO, Zhong LU, Yuanjie XU, Benlian WANG, Lili DU, Donghua JIANG
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Patent number: 11974451Abstract: A display substrate, a method for manufacturing the same and a display device. In the display substrate, a sealant region includes: a corner sealant region, a lead-in sealant region, and a first sealant region on a first side of a display area. The corner sealant region is provided with an encapsulation base layer. A non-display area is provided with a second power line, a gate drive circuit and multiple first signal lines configured to provide signals to the gate drive circuit. The second power line includes a power line corner portion and a first power line portion, the first power line portion overlaps the first sealant region, and the first power line portion extends in a first direction. A target portion of each first signal line is at least located in the corner sealant region.Type: GrantFiled: September 29, 2020Date of Patent: April 30, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Hongjun Zhou
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Publication number: 20240130178Abstract: A display panel, including: a base substrate including an Under Display Camera (UDC) area and a normal display area located around a periphery of the UDC area, and specifically, the normal display area includes a plurality of sub-pixel driving circuits, and the UDC area includes a plurality of groups of sub-pixels, each of the plurality of groups of sub-pixels including at least two sub-pixels of a same color which have their anodes coupled to each other; and a plurality of first transparent wires, anodes in each group of sub-pixels coupled to a corresponding sub-pixel driving circuit among the plurality of sub-pixel driving circuits through a corresponding first transparent wire among the plurality of first transparent wires.Type: ApplicationFiled: January 26, 2022Publication date: April 18, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianghua Liu, Lili Du, Meng Li, Benlian Wang, Mingfang Wang, Yue Long
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Patent number: 11961471Abstract: A display substrate and a display device are provided, the display substrate includes: a base substrate and a plurality of reset signal lines, the base substrate includes a display region, each of the sub-pixels includes a pixel driving circuit and a light-emitting element, the light-emitting element includes a light-emitting region and a first electrode, the pixel driving circuit is configured to drive the light-emitting element to emit light; orthographic projections of the first electrodes of the light-emitting elements of the sub-pixels of the pixel units on a board surface of the base substrate at least partially overlap with orthographic projections of the pixel driving circuits of the sub-pixels of the plurality of pixel units on the board surface of the base substrate, and are located on a same side of the reset signal lines electrically connected to the pixel driving circuits of the sub-pixels of the plurality of pixel units.Type: GrantFiled: August 11, 2021Date of Patent: April 16, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Kaipeng Sun, Yue Long, Chao Wu, Yudiao Cheng
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Publication number: 20240107829Abstract: A display panel and a display device are provided. The display panel includes: a base substrate, having a first display region and a second display region, the first display region is located at at least one side of the second display region; a plurality of first pixel circuits, located in the first display region; a plurality of first light-emitting elements, located in the first display region to each drive at least one first light-emitting element; a plurality of second pixel circuits, located in the first display region; a plurality of second light-emitting elements, located in the second display region to each drive at least one second light-emitting element; and a plurality of conductive lines, the second pixel circuit is connected to the second light-emitting element through at least one conductive line.Type: ApplicationFiled: July 19, 2021Publication date: March 28, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili DU, Yao HUANG, Kaipeng SUN, Benlian WANG, Jianchang CAI
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Publication number: 20240107830Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, at least one group of contact pads, a plurality of first light-emitting elements, a plurality of first pixel driving circuits, a plurality of connecting traces, a plurality of data lines and a plurality of leads. The display area includes a first display area and a second display area; the first light-emitting elements are located in the first display area; the first pixel driving circuits are located in the second display area; the leads are located in the first display area and the peripheral area, and connect the data lines and the at least one group of contact pads; orthographic projections of the first light-emitting elements on a substrate surface of the base substrate are at least partly overlapped with orthographic projections of the leads on the substrate surface of the base substrate.Type: ApplicationFiled: April 30, 2021Publication date: March 28, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenbo CHEN, Linhong HAN, Youngyik KO, Qingqing YAN, Qiwei WANG, Hong YI, Yuanjie XU, Zhongliu YANG, Benlian WANG, Ziyang YU, Lili DU, Haigang QING, Weiyun HUANG
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Patent number: 11942012Abstract: Embodiments of the present disclosure provide a display panel, a display device including the display panel and a method for fabricating the display panel. The display panel comprises a display area and a non-display area surrounding the display area. The display panel includes a pixel array, an edge of which defines a boundary between the display area and the non-display area, wherein the non-display area includes a first area and a second area arranged in sequence in a direction away from the pixel array; a compensation circuit configured to compensate for a parasitic capacitance of pixel in the pixel array, and including a first portion located in the first area and a second portion located in the second area; and a first shift register located in the second area. The second portion of the compensation circuit is aligned with the first shift register circuit in a circumferential direction of the pixel array.Type: GrantFiled: August 5, 2021Date of Patent: March 26, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongjun Zhou, Lili Du, Feng Wei
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Patent number: 11943981Abstract: A display substrate and display apparatus are provided. The display substrate includes: a base substrate, including a display area and a bezel area; a plurality of pixel units located in the display area and arranged in an array along a row direction and a column direction on the base substrate; a plurality of scanning signal lines; a gate driver circuit located in the bezel area; a plurality of load compensation units located in the bezel area, the plurality of load compensation units are located between the gate driver circuit and the plurality of pixel units; and a plurality of scanning signal lead wires located in the bezel area and configured to transmit a scanning signal output by the gate driver circuit to the scanning signal lines, where at least one of the scanning signal lead wires crosses at least one of the load compensation units in the row direction.Type: GrantFiled: October 12, 2021Date of Patent: March 26, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bo Wei, Hongjun Zhou, Lili Du
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Patent number: 11935902Abstract: The display substrate includes: a display area and a bezel area, the display area including a first display area and a second display area; first light emitting devices in the first display area and second light emitting devices in the second display area; first pixel drive circuits in the bezel area and second pixel drive circuits in the second display area, the first pixel drive circuits are connected to the first light emitting devices, and the second pixel drive circuits are connected to the second light emitting devices; and data lines in the second display area, each data line being connected to the first pixel drive circuits and the second pixel drive circuits which are respectively electrically connected to a column of first light emitting devices and a column of second light emitting devices, which are in the same column.Type: GrantFiled: October 30, 2020Date of Patent: March 19, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qiwei Wang, Yue Long, Zhi Wang, Lili Du, Yuanyou Qiu