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: 12193290Abstract: Provided 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, and 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. At least one lead wire is connected to the data line through the data fanout line. In the lead area, an orthographic projection of any one of the lead wires on the plane of the display substrate and orthographic projections of other lead wires on the plane of the display substrate have no overlap region.Type: GrantFiled: April 30, 2021Date of Patent: January 7, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yuanjie Xu, Benlian Wang, Lili Du, Zhenhua Zhang, Yuxin Zhang, Pan Xu
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Patent number: 12190801Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a base substrate including a first display region and a second display region. Since pixel circuits for driving light-emitting elements in the second display region are only disposed in the first display region but not disposed in the second display region, the light transmittance of the second display region is ensured to be good. Correspondingly, the display panel in the present disclosure has a good display effect.Type: GrantFiled: October 30, 2023Date of Patent: January 7, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
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Publication number: 20250006747Abstract: A display substrate and a display device. The display substrate a base substrate and a first display region, a second display region and N anode connection lines on the base substrate; the first display region includes M first pixel driving circuits, M first connection holes, N second pixel driving circuits, and N second connection holes, the second display region includes N anode connection holes; N anode connection lines connect the N second connection holes with the N anode connection holes; the N anode connection holes form a plurality of anode connection hole rows along a third direction, a plurality of the anode connection holes in each of the anode connection hole rows are arranged along the third direction, the plurality of the anode connection hole rows are arranged along a direction perpendicular to the third direction.Type: ApplicationFiled: April 27, 2022Publication date: January 2, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuanjie XU, Weiyun HUANG, Lili DU, Yanwei LU, Qiwei WANG
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Publication number: 20240420639Abstract: 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 a 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: ApplicationFiled: June 14, 2022Publication date: December 19, 2024Applicants: 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: 12167621Abstract: The present disclosure provides a display substrate, a manufacturing method and a display device. The display substrate includes a display region, and a non-display region surrounding the display region and including an encapsulation adhesive region surrounding the display region. The display substrate further includes an encapsulation base layer arranged at the encapsulation adhesive region; and a fanout layer arranged at the non-display region and including a first reuse portion. An orthogonal projection of the first reuse portion onto a base substrate of the display substrate at least partially overlaps an orthogonal projection of a first target region of the encapsulation adhesive region onto the base substrate, and the first reuse portion is reused as the encapsulation base layer at the first target region.Type: GrantFiled: February 26, 2021Date of Patent: December 10, 2024Assignees: Beijing BOE Technology Development Co., Ltd., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lili Du, Hongjun Zhou, Feng Wei
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Patent number: 12165570Abstract: A driving circuit, a driving method therefor, and a display apparatus. The driving circuit comprises: a light emitting device (L), configured to emit light under the control of a driving current (Ids); a driving transistor (M0), configured to generate a driving current (Ids) according to a data signal; a first control circuit (10), configured to provide an initialization signal to a gate of the driving transistor (M0) and a first electrode of the light emitting device (L) in response to a first scanning signal (ga1-N) of an Nth row and a first light emission control signal (em1-N) of the Nth row; and a data writing circuit (20), configured to provide the data signal to the driving transistor (M0) in response to a second scanning signal (ga2-N) of the N-th row.Type: GrantFiled: November 13, 2020Date of Patent: December 10, 2024Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Yao Huang, Weiyun Huang, Yue Long, Benlian Wang, Yuanjie Xu, Lili Du
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Publication number: 20240397780Abstract: 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 a first sub-region, which includes first red sub-pixels, first green sub-pixels and first blue sub-pixels; the second display region includes a first circuit region, a second circuit region, and a third circuit region; first light-emitting devices of the first red sub-pixels are electrically connected to the red pixel driving circuits in the second circuit region respectively through first transparent wires, a plurality of first light-emitting devices of the first green sub-pixels are electrically connected to the first green pixel driving circuits in the first circuit region respectively through second transparent wires, and first light-emitting devices of the first blue sub-pixels are electrically connected to the first blue pixel driving circuits in the third circuit region respectively through third transparent wires.Type: ApplicationFiled: January 20, 2022Publication date: November 28, 2024Inventors: Yudiao CHENG, Lili DU, Ni YANG, Zhuoran YAN
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Patent number: 12156443Abstract: A display substrate includes: a base substrate having a display region and a peripheral region surrounding the display region; a plurality of sub-pixels in the display region; a plurality of data lines in the display region, electrically coupled to the plurality of sub-pixels respectively, and configured to provide a data signal to the plurality of sub-pixels respectively; a plurality of pads in the peripheral region, wherein at least a portion of the plurality of pads are configured to provide a data signal to the plurality of data lines respectively; at least one test data signal line in the peripheral region; at least one test control signal line in the peripheral region; and a plurality of test units in the peripheral region and on a side of the plurality of pads away from the display region.Type: GrantFiled: August 7, 2020Date of Patent: November 26, 2024Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Feng Wei, Lili Du, Hongjun Zhou, Jianchang Cai
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Patent number: 12156446Abstract: Provided are a display panel and a display device. A plurality of second pixel circuit groups in a first display region in the display panel includes a first-type second pixel circuit group distal from a second display region and a second-type second pixel circuit group proximal to the second display region. The first-type second pixel circuit group is connected to a first-type second light-emitting unit group, distal from the first display region, in the second display region through a first connection trace. The second-type second pixel circuit group is connected to a second-type second light-emitting unit group, proximal to the first display region, in the second display region through a second connection trace.Type: GrantFiled: May 31, 2022Date of Patent: November 26, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Lili Du, Cong Liu, Weiyun Huang, Chao Wu, Chao Zeng
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Patent number: 12154500Abstract: 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: GrantFiled: April 30, 2021Date of Patent: November 26, 2024Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Yue Long, Yao Huang, Lili Du, Weiyun Huang, Yuanjie Xu, Binyan Wang, Yudiao Cheng
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Patent number: 12156429Abstract: An array substrate and a display device are disclosed. The array substrate includes a base substrate, a first conductive layer, a second conductive layer, and a third conductive layer. The first conductive layer is located on a side of the base substrate and includes a first conductive portion for forming a gate of a drive transistor and a second conductive portion for forming a first electrode of a capacitor; the second conductive layer is arranged on a side of the first conductive layer away from the base substrate, and includes a third conductive portion for forming a second electrode of the capacitor, and an orthographic projection of the third conductive portion on the base substrate and an orthographic projection of the second conductive layer on the base substrate at least partially overlap.Type: GrantFiled: November 18, 2020Date of Patent: November 26, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yuanjie Xu, Benlian Wang, Yue Long, Lili Du, Yao Huang
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Patent number: 12156448Abstract: 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: GrantFiled: January 26, 2022Date of Patent: November 26, 2024Assignees: Beijing BOE Technology Development Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.Inventors: Jianghua Liu, Lili Du, Meng Li, Benlian Wang, Mingfang Wang, Yue Long
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Publication number: 20240389396Abstract: A display substrate and a display device. The display substrate includes a base substrate, a plurality of sub-pixels, and a partition structure. The plurality of sub-pixels are located on the base substrate; each sub-pixel includes a light-emitting element; the light-emitting element includes a light-emitting functional layer and a first electrode and a second electrode located on either side of the light-emitting functional layer; the second electrode is located between the light-emitting functional layer and the base substrate; and the light-emitting functional layer includes a charge generation layer. The partition structure is located on the base substrate and between adjacent sub-pixels; and the charge generation layer in the light-emitting functional layer is disconnected at the positions where the partition structure is located.Type: ApplicationFiled: October 11, 2022Publication date: November 21, 2024Inventors: Rui ZHOU, Quan SHI, Wei ZHANG, Chengjie QIN, Yanwei LU, Xiaoliang GUO, Lili DU, Cong LIU, Benlian WANG, Weiyun HUANG
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Publication number: 20240381712Abstract: Disclosed is a display substrate including a base substrate, a plurality of first light emitting elements, a plurality of first pixel circuits, and a plurality of second pixel circuits located in a first display region, and a plurality of second light emitting elements located in a second display region. The first display region includes a first first sub-display region to an N-th first sub-display region arranged sequentially along a side away from the second display region in a first direction, wherein N is an integer greater than 1. The second display region includes at least one second sub-display region. A second light emitting element of the second sub-display region is electrically connected with a second pixel circuit of an n-th first sub-display region, and a first light emitting element of the n-th first sub-display region is electrically connected with a first pixel circuit of an (n+i)-th first sub-display region.Type: ApplicationFiled: March 18, 2022Publication date: November 14, 2024Inventors: Lili DU, Xilei CAO, Zhenhua ZHANG, Benlian WANG
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Publication number: 20240381717Abstract: A display panel includes a plurality of first pixel circuits, a plurality of second pixel circuits, a plurality of first light-emitting devices, a plurality of second light-emitting devices, a plurality of first initial signal lines and a plurality of second initial signal lines. A first pixel circuit is electrically connected to a first initial signal line and a first light-emitting device, and is configured to transmit a first initial signal transmitted by the first initial signal line to the first light-emitting device. A second pixel circuit is electrically connected to a second initial signal line and a second light-emitting device, and is configured to transmit a second initial signal transmitted by the second initial signal line to the second light-emitting device. A voltage value of the second initial signal is greater than a voltage value of the first initial signal.Type: ApplicationFiled: January 24, 2022Publication date: November 14, 2024Inventors: Bangqing XIAO, Lili DU, Ni YANG, Minghui WANG
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Publication number: 20240381708Abstract: Disclosed is a display substrate, including a base substrate (100), a circuit structure layer disposed on the base substrate (100), and a light emitting structure layer. The circuit structure layer includes a plurality of pixel circuits located in a first display region (A1), at least one first trace 231 extending along a first direction (D1), at least one second trace 232 extending along a second direction (D2), and at least one third trace located in a peripheral region (BB). The at least one first trace (231) is electrically connected with the at least one second trace (232) and the at least one third trace is electrically connected with at least one of following; the at least one first trace (231) and the at least one second trace (232).Type: ApplicationFiled: May 12, 2022Publication date: November 14, 2024Inventors: Jiaxing CHEN, Yue LONG, Lili DU, Jie LI, Yi ZHANG, Tinghua SHANG, De LI, Biao LIU, Yixuan LONG, Zuoji NIU, Jiangtao DENG, Xiaoyan YANG, Xiping LI, Meng LI, Du CHEN
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Patent number: 12136389Abstract: The present disclosure relates to a terminal device, a display apparatus, a display panel, and a manufacturing method thereof, which is related to the field of display. The display panel includes a drive back plate, having a light transmitting region and a drive region at least partially surrounding the light transmitting region, wherein the drive region has a plurality of pixel circuits and at least includes first pixel circuits and second pixel circuits; a transfer layer, provided on a side of the drive back plate and including a plurality of layers of mutually insulated lead layers, wherein each of the lead layers includes a plurality of mutually insulated leads; each lead extends from the light transmitting region to the drive region and is connected to one of the first pixel circuits; a light emitting layer, provided on a side of the transfer layer away from the drive back plate.Type: GrantFiled: November 6, 2020Date of Patent: November 5, 2024Assignees: CHENGDU BO OPTOELECTRONICS TECHNOLOGY., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Yue Long, Weiyun Huang, Benlian Wang, Qiwei Wang, Yudiao Cheng
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Publication number: 20240365610Abstract: Provided is a display panel. The display panel includes: a substrate, and a plurality of first light-emitting devices, a plurality of first pixel drive circuits, a plurality of connecting lines, a plurality of second light-emitting devices and a plurality of second pixel drive circuits disposed on the substrate. The plurality of first light-emitting devices disposed in a light-transmitting display region are coupled to the first pixel drive circuits disposed in a conventional display region through the plurality of connecting lines. An acute angle is provided between an extending direction of at least part of segments of at least one connecting line in the plurality of connecting lines and the first direction, wherein the at least part of segments are disposed in the light-transmitting display region.Type: ApplicationFiled: May 13, 2022Publication date: October 31, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yuanjie XU, Weiyun HUANG, Xiangdong QIN, Yu ZHANG, Zhuoran YAN, Lili DU
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Publication number: 20240365609Abstract: 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: ApplicationFiled: April 27, 2022Publication date: October 31, 2024Applicants: 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: 20240365619Abstract: Disclosed are a display panel and a display device. The display panel includes: a base substrate, a transistor array layer, a first planarization layer, and a first electrode layer, where the plurality of sub-pixels include first color sub-pixels and second color sub-pixels adjacent to the first color sub-pixels in a first direction; for the first color sub-pixels and the second color sub-pixels adjacent in the first direction, first notches are disposed in sides, facing orthographical projections of anodes in the first color sub-pixels on the base substrate, of orthographical projections of edges of anodes in the second color sub-pixels on the base substrate; and the first notches are disposed facing centers of main parts of the second color sub-pixels. Each repeating unit includes at least one first color sub-pixel and at least one second color sub-pixel.Type: ApplicationFiled: July 12, 2024Publication date: October 31, 2024Inventors: Lili DU, Hongjun ZHOU, Feng WEI, Qian MA