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: 12367835Abstract: Disclosed are a display substrate, a preparation method thereof, and a display device. The display substrate includes a display region and a bonding region on one side of the display region. The bonding region at least includes a lead area. The display region includes a plurality of data lines and a plurality of data fanout lines. The lead area includes a plurality of lead wires. Orthographic projections of the plurality of data lines and the plurality of data fanout lines on a plane of the display substrate are at least partially overlapped. A first end of at least one data fanout line is connected to the lead wire, and a second end of the at least one data fanout line extends in a direction away from the lead area, to be connected to the data line.Type: GrantFiled: April 30, 2021Date of Patent: July 22, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lili Du, Yuanjie Xu, Qiwei Wang, Benlian Wang, Yudiao Cheng, Pan Xu
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Patent number: 12364102Abstract: A display substrate includes a main display area, a secondary display area and a transition area; the secondary display area includes an aperture region, a first peripheral region and a second peripheral region, at least part of the first peripheral region being located between the aperture region and the second peripheral region; the aperture region includes display sub-pixels; the first peripheral region includes display sub-pixels and first virtual sub-pixels; the second peripheral region includes display sub-pixels and second virtual sub-pixels; the density of the display sub-pixels of the aperture region, the density of the display sub-pixels of the first peripheral region and the density of the display sub-pixels of the second peripheral region are the same; at least part of the transition area is located between the main display area and the second peripheral region; the main display area and the transition area both includes display sub-pixels.Type: GrantFiled: March 31, 2021Date of Patent: July 15, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Chao Wu, Cong Liu, Weiyun Huang, Yue Long
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Patent number: 12356810Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes a display region and a bezel region. The bezel region includes a first bezel and a second bezel oppositely disposed in a first direction, a third bezel and a fourth bezel oppositely disposed in a second direction, a first corner connecting a first bezel and a third bezel, a second corner connecting a second bezel and a third bezel, a third corner connecting a first bezel and a fourth bezel, and a fourth corner connecting a second bezel and a fourth bezel; at least one of a first corner to a fourth corner is an arced corner; a first direction is an extending direction of scanning signal wires in the display region, and a second direction is an extending direction of data signal wires in the display region.Type: GrantFiled: October 23, 2020Date of Patent: July 8, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Lili Du, Ming Hu, Feng Wei, Hongjun Zhou, Yue Long
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Patent number: 12354915Abstract: 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: GrantFiled: April 29, 2021Date of Patent: July 8, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Liang Song, Long Jiang, Mingwen Wang, Pengyu Liao, Zhong Lu, Yuanjie Xu, Benlian Wang, Lili Du, Donghua Jiang
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Publication number: 20250204148Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and comprising a hollow structure which exposes at least part of the second display area.Type: ApplicationFiled: March 3, 2025Publication date: June 19, 2025Inventors: Zhi WANG, Yue LONG, Weiyun HUANG, Yao HUANG, Benlian WANG, Lili DU, Yudiao CHENG, Bo SHI
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Patent number: 12327524Abstract: A display substrate includes a first display region and a second display region located at at least one side of the first display region, a light transmittance of the first display region is greater than that of the second display region. The first display region is provided with first light emitting devices, the second display region is provided with first pixel driving circuits, second pixel driving circuits, and second light emitting devices. The first pixel driving circuit drives the first light emitting device, and the second pixel driving circuit drives the second light emitting device. The second display region further includes initialization signal lines respectively connected with the first pixel driving circuits and the second pixel driving circuits and apply initialization signals thereto. The first pixel driving circuit and the second pixel driving circuit are respectively connected to different initialization signal lines.Type: GrantFiled: June 14, 2022Date of Patent: June 10, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhuoran Yan, Ni Yang, Yuanjie Xu, Lili Du, Yudiao Cheng, Qiwei Wang
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Patent number: 12327521Abstract: A drive circuit, a driving method therefor, and a display device. The drive circuit comprises: an initialization circuit (10) configured to provide a signal of an initialization signal terminal (VINIT) to a gate of a driving transistor (M0) in response to a control signal; a first control circuit (20) configured to input the control signal to the initialization circuit (10) according to a signal of a first control terminal (VC1) and a signal of a second control terminal (VC2); a data writing circuit (30) configured to provide a signal of a data signal terminal (DA) to the driving transistor (M0) in response to a signal of a first scanning signal terminal (GA1); the driving transistor (M0) configured to generate a driving current according to the signal of the data signal terminal (DA); and a light-emitting device (L) configured to emit light under the control of the driving current.Type: GrantFiled: November 30, 2020Date of Patent: June 10, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Grouup Co., Ltd.Inventors: Yue Long, Yao Huang, Yuanjie Xu, Benlian Wang, Lili Du
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Publication number: 20250160162Abstract: 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. The driving backplate has a light-transmitting region and a driving region. The interconnection layer includes lead layers. Each of the lead layers includes leads which are mutually apart from each other. Any one of the plurality of leads is connected with one of t first interconnection holes and one of second interconnection holes. Any one of the first light-emitting devices is connected to one of the second interconnection holes.Type: ApplicationFiled: January 17, 2025Publication date: May 15, 2025Inventors: Lili DU, Yudiao CHENG, yue LONG, Weiyun HUANG
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Publication number: 20250160135Abstract: A display substrate and a display device. The display substrate includes a substrate base, a plurality of sub-pixels, and a partition structure; the partition structure includes a plurality of annular partition parts, which include a plurality of first annular partition parts, a plurality of second annular partition parts, and a plurality of third annular partition parts, the first annular partition part is around one second color sub-pixel, the second annular partition part is around one first color sub-pixel, the third annular partition part is around one third color sub-pixel, each of the plurality of first annular partition parts includes a first number of first notches, each of the plurality of second annular partition parts includes a second number of second notches, each of the plurality of third annular partition parts includes a third number of third notches, the second number is different from the third number.Type: ApplicationFiled: January 15, 2025Publication date: May 15, 2025Inventors: Rui ZHOU, Quan SHI, Wei ZHANG, Chengjie QIN, Yanwei LU, Xiaoliang GUO, Lili DU, Cong LIU, Benlian WANG, Weiyun HUANG
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Patent number: 12302719Abstract: Display substrate and display device are provided. The display substrate includes: a base and sub-pixels thereon, the sub-pixel includes a light-emitting element and a sub-pixel driving circuit including a driving transistor and a compensation transistor; the compensation transistor has a first electrode coupled to a second electrode of the driving transistor, and a second electrode coupled to a gate electrode of the driving transistor; the compensation transistor includes a gate electrode and an active layer including a channel portion; the display substrate includes a pixel definition layer and shielding patterns, at least a portion of the shielding pattern is located between the pixel definition layer and the gate electrode of the compensation transistor, and an orthographic projection of the shielding pattern onto the base at least partially overlaps with an orthographic projection of corresponding channel portion of the compensation transistor onto the base.Type: GrantFiled: April 27, 2022Date of Patent: May 13, 2025Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ni Yang, Wei Zhang, Yue Long, Lili Du, Hai Zheng, Qiwei Wang
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Publication number: 20250151559Abstract: A display panel and a display device are provided. The display panel includes: a plurality of first pixel units, a plurality of second pixel units, a plurality of third pixel units and a plurality of first data lines. An effective light-emitting area of the first pixel unit is larger than an effective light-emitting area of the second pixel unit, and larger than an effective light-emitting area of the third pixel unit; an orthographic projection of the first data line on the base substrate is not overlapped with an orthographic projection of any one of the first electrode of the first pixel unit, the first electrode of the second pixel unit, and the first electrode of the third pixel unit on the base substrate.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili DU, Hongjun ZHOU, Wen TAN, Cong LIU
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Publication number: 20250151398Abstract: An array substrate has a hole-opening region, a display region surrounding the hole-opening region, and a hole-peripheral region located between the hole-opening region and the display region. The array substrate includes a substrate and a driving circuit layer located on the substrate. The driving circuit layer includes a constant-voltage conductive ring and a plurality of signal lines. At least some of the plurality of signal lines are target signal lines. The target signal lines each include a lead portion and a winding portion connected thereto. The lead portion extends from the hole-peripheral region to the display region, and the winding portion is located in the hole-peripheral region and is disposed along an edge of the hole-opening region. The constant-voltage conductive ring is located in the hole-peripheral region and is disposed around the hole-opening region. The winding portion is located between the constant-voltage conductive ring and the hole-opening region.Type: ApplicationFiled: October 19, 2023Publication date: May 8, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhengkun LI, Tinghua SHANG, Lili DU, Jiaxing CHEN, Zhongliu YANG, Yi AN
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Publication number: 20250151520Abstract: Provided are a display substrate and a display apparatus. The display substrate includes a first display region and a second display region, and a pixel density of the first display region is higher than a pixel density of the second display region. A first pixel circuit of a first sub-pixel in the first display region includes one pixel circuit unit, and a second pixel circuit of a second sub-pixel in the second display region includes two pixel circuit units. The first pixel circuit is configured to be connected with a first power voltage terminal to receive a first power voltage as a pixel power voltage, and the second pixel circuit is configured to be connected with a second power voltage terminal to receive a second power voltage as a pixel power voltage and the first power voltage is different from the second power voltage.Type: ApplicationFiled: January 7, 2025Publication date: May 8, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Feng WEI, Lili DU, Yue LONG, Bo WEI, Chao WU
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Publication number: 20250126991Abstract: A display substrate includes: N first light-emitting device groups located in a first display region and arranged sequentially in a first direction; N first pixel circuit groups located in a second display region and arranged sequentially in the first direction; and a wire group connecting a first light-emitting device group and a first pixel circuit group. The first light-emitting device group includes M first light-emitting devices arranged sequentially in the first direction, the first pixel circuit group includes M first pixel circuits arranged sequentially in the first direction, and the wire group includes M wires arranged in parallel. A 1st first light-emitting device group is electrically connected to a first pixel circuit group other than a 1st pixel circuit group, and/or an Nth first light-emitting device group is electrically connected to a first pixel circuit group other than an Nth first pixel circuit group.Type: ApplicationFiled: September 30, 2022Publication date: April 17, 2025Inventors: Lili Du, Benlian Wang, Weiyun Huang, Yuanjie Xu
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Patent number: 12274136Abstract: A display substrate and a preparing method thereof, and a display apparatus are provided. The display substrate includes a display region and a peripheral region, wherein the peripheral region includes a circuit board pin region and a test pin region which are located on at least one side of the display region. The display substrate further includes: a plurality of sub-pixels, and a first power supply line electrically connected with the plurality of sub-pixels; at least one first bonding power supply pin, located in the circuit board pin region, electrically connected with the first power supply line, and configured to transmit a first power supply signal to the plurality of sub-pixels in a display stage; a second power supply line, located in the peripheral region and surrounding the display region.Type: GrantFiled: October 22, 2020Date of Patent: April 8, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongjun Zhou, Lili Du
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Patent number: 12272776Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate, a display region including a first region, a second region and a transition region; first light-emitting elements at the first region; second light-emitting elements, first pixel circuitries and second pixel circuitries at the transition region, each first pixel circuitry being arranged between adjacent second pixel circuitries, an orthogonal projection of at least one second pixel circuitry onto the base substrate at least partially overlapping an orthogonal projection of at least one second light-emitting element onto the base substrate; first conductive lines each coupled between at least one first pixel circuitry and at least one first light-emitting element; and second conductive lines each coupled to at least one first pixel circuitry and extending along the at least one first pixel circuitry to a side away from the at least one first light-emitting element.Type: GrantFiled: December 25, 2020Date of Patent: April 8, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Wu, Lili Du, Yao Huang, Chao Zeng, Yuanyou Qiu
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Patent number: 12266281Abstract: 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: GrantFiled: June 1, 2021Date of Patent: April 1, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Lili Du, Hongjun Zhou, Feng Wei
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Publication number: 20250107241Abstract: Disclosed are a display substrate and a display device. The display substrate includes: a display area and a bezel area, the display area including a first display area and a second display area; a plurality of light emitting devices, a plurality of pixel driving circuits, a plurality of data lines, and a plurality of first wires in the second display area and extending in a row direction, where all the first wires are located at a plurality of row gaps adjacent to the first display area respectively, each of the plurality of first wires is connected between one data line corresponding to the first display area and one first pixel driving circuit corresponding to the one data line.Type: ApplicationFiled: December 11, 2024Publication date: March 27, 2025Inventors: Qiwei WANG, Yue LONG, Zhi WANG, Lili DU, Yuanyou QIU
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Patent number: 12262600Abstract: The present application discloses a display panel, a display device and a method for manufacturing a display panel. The display panel includes a first display area, including a plurality of first light emitting units and a first driving layer for driving the plurality of first light emitting units, and a second display area, at least partially surrounded by the first display area, and making ambient light at least partially transmitted. The first driving layer includes a first light shielding pattern, the first light shielding pattern at least partially surrounding the second display area and including a hollow structure which exposes at least part of the second display area.Type: GrantFiled: March 31, 2021Date of Patent: March 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhi Wang, Yue Long, Weiyun Huang, Yao Huang, Benlian Wang, Lili Du, Yudiao Cheng, Bo Shi
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Publication number: 20250095568Abstract: Disclosed is a display substrate, including a first display region (A1) and a second display region (A2) at least partially surrounding the first display region (A1). The display substrate includes a base substrate (30), a pixel circuit, and a light emitting element. The pixel circuit is located on the base substrate (30) of the second display region (A2), and the pixel circuit includes a first pixel circuit (11) and a second pixel circuit (12) arranged alternately. The light emitting element is located on a side of the pixel circuit away from the base substrate (30), and the light emitting element includes a first light emitting element (EL1) located in the first display region (A1) and a second sub-light emitting element and a third sub-light emitting element located in the second display region (A2).Type: ApplicationFiled: February 25, 2022Publication date: March 20, 2025Inventors: Lili DU, Weiyun HUANG, Yu ZHANG