Patents by Inventor Lili Du
Lili 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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Publication number: 20240087528Abstract: A display substrate and a display device are provided. The display substrate includes a first display region including first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups, a second display region including second light emitting unit groups, second pixel circuit groups connected with the second light emitting unit groups and third pixel circuit groups, and a third display region including third light emitting unit groups connected with the third pixel circuit groups. Each light emitting unit group includes light emitting units of different colors. The light emitting unit includes a main body electrode, an area of the main body electrode of at least one color light emitting unit in the third display region is greater than that of a main body electrode of the same color light emitting unit in the first display region.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili DU, Wei ZHANG, Yu ZHANG, Chi YU, Weiyun HUANG
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Publication number: 20240081115Abstract: A display substrate. In a plane parallel to the display substrate, the display substrate includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit and a light emitting device connected to the pixel driving circuit, the pixel driving circuit at least includes a storage capacitor and a plurality of transistors, the plurality of transistors at least includes a driving transistor and at least one switching transistor of a dual-gate structure. In a plane perpendicular to the display substrate, the display substrate includes a plurality of conductive layers, the first polar plate and the gate electrode of the drive transistor are arranged in the same layer, the second polar plate and the first power line are arranged in the same layer.Type: ApplicationFiled: November 8, 2023Publication date: March 7, 2024Inventors: Lili DU, Benlian WANG, Yuanjie XU, Yue LONG, Yao HUANG
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Publication number: 20240078936Abstract: A display panel and a display device are provided. In the display panel, a first display region includes first light-emitting units, and a second display region includes second light-emitting units, first pixel circuits and second pixel circuits, the first pixel circuit is connected with the first light-emitting unit, and the second pixel circuit is connected with the second light-emitting unit. The first display region includes a first region and a second region on a side of the first region away from the second display region, the second display region includes a third region and a fourth region on a side of the third region close to the first display region, the first light-emitting unit in the first region is connected with the first pixel circuit in the third region, the first light-emitting unit in the second region is connected with the first pixel circuit in the fourth region.Type: ApplicationFiled: July 21, 2021Publication date: March 7, 2024Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yudiao CHENG, Weiyun HUANG, Yuanyou QIU, Jianchang CAI, Lili DU, Chi YU
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Patent number: 11917891Abstract: A display substrate and a display apparatus are provided, the display substrate includes a base substrate including a display region and a peripheral region; the display region includes multiple sub-pixels, multiple data lines and multiple power supply lines; the peripheral region includes at least one test data signal line, at least one test control signal line and multiple test units, the multiple test units are at a side of the multiple data lines away from the display region, and at least one of the multiple test units is electrically connected with at least one of the multiple data lines, the at least one test data signal line, and the at least one test control signal line; the peripheral region further includes a first power supply bus and multiple connecting parts, the first power supply bus is at a side of the multiple test units away from the display region.Type: GrantFiled: September 22, 2020Date of Patent: February 27, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongjun Zhou, Lili Du
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Patent number: 11917876Abstract: Disclosed is a display substrate, including: a base including a display region and a peripheral region; sub-pixels in the display region; data lines in at least the display region and extending in a first direction and electrically connected to the sub-pixels; gate lines in at least the display region and extending in a second direction intersecting with the first direction, and electrically connected to the sub-pixels; pads in the peripheral region; data leads in the peripheral region and electrically connected to the data lines and the pads; a gate driver circuit in the peripheral region and electrically connected to the gate lines; gate drive lines in the peripheral region and electrically connected to the gate driver circuit; gate leads in the peripheral region and extending in the first direction, which are electrically connected to the gate drive lines and the pads and located between the data leads.Type: GrantFiled: June 21, 2021Date of Patent: February 27, 2024Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cong Liu, Hongjun Zhou, Lili Du, Feng Wei
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Patent number: 11915634Abstract: A display substrate and a display device are provided. In the display substrate, a first display region includes a first light emitting unit column and a second light emitting unit column each connected with a column of first sub-pixel circuits; a second display region includes a third light emitting unit column and a fourth light emitting unit column each connected with a column of first sub-pixel circuit pairs; each second sub data line is connected with each second light emitting unit column, and each fourth sub data line is connected with each fourth light emitting unit column. The first sub-pixel circuits connected with the fourth light emitting unit column and the first sub-pixel circuits connected with the second light emitting unit column are located in different columns, and the second sub data line and the fourth sub data line are connected by a data line connection portion.Type: GrantFiled: October 15, 2021Date of Patent: February 27, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Yao Huang, Yue Long, Benlian Wang, Weiyun Huang
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Publication number: 20240062717Abstract: 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: ApplicationFiled: October 30, 2023Publication date: February 22, 2024Inventors: Yudiao Cheng, Benlian Wang, Yao Huang, Weiyun Huang, Lili Du, Yue Long
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Publication number: 20240057408Abstract: Provided is a display substrate. In the display substrate, at least one data-select circuit group may control a data line lead to transmit a data signal to at least two data lines by time division in response to switch control signals supplied by at least two switch control lines at different time periods. A plurality of connecting portions that are electrically connected to a first power bus and a plurality of power lines may extend along the region between a plurality of the data-select circuit groups.Type: ApplicationFiled: March 22, 2021Publication date: February 15, 2024Inventors: Feng Wei, Hongjun Zhou, Lili Du
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Publication number: 20240021626Abstract: 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: ApplicationFiled: October 30, 2020Publication date: January 18, 2024Inventors: Qiwei WANG, Yue LONG, Zhi WANG, Lili DU, Yuanyou QIU
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Publication number: 20240021141Abstract: 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 (MO) in response to a second scanning signal (ga2?N) of the N-th row.Type: ApplicationFiled: November 13, 2020Publication date: January 18, 2024Inventors: Yao HUANG, Weiyun HUANG, Yue LONG, Benlian WANG, Yuanjie XU, Lili DU
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Patent number: 11862081Abstract: Provided is a display panel including a base substrate including a first display region and a second display region, a plurality of first pixel circuits, a plurality of second pixel circuits, a plurality of first light-emitting elements, and a plurality of second light-emitting elements disposed in the second display region; wherein at least one of the plurality of first pixel circuits is connected to at least one of the plurality of first light-emitting elements, an orthographic projection of the at least one first pixel circuit on the base substrate is at least partially overlapped with an orthographic projection of the at least one first light-emitting element on the base substrate, and at least one of the plurality of second pixel circuits is connected to at least one of the plurality of second light-emitting elements by a conductive trace.Type: GrantFiled: September 30, 2020Date of Patent: January 2, 2024Assignees: 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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Patent number: 11862108Abstract: A shift register unit, a scanning drive circuit, a display substrate and a display device. The shift register unit includes an output end, a node control end, a first output node control circuit, a second node control circuit, a second output node control circuit and an output circuit, the second node control circuit is electrically connected to a first clock signal line, the node control end, the first output node and the second node; the first output node control circuit is electrically connected to the second node and the first output node and is configured to control a potential of the first output node; the second output node control circuit is electrically connected to the second node and the second output node; the output circuit is electrically connected to a first output node, a second output node, a first voltage line, a second voltage line and an output end.Type: GrantFiled: March 30, 2023Date of Patent: January 2, 2024Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yue Long, Benlian Wang, Yuanjie Xu, Yingsong Xu, Lili Du, Tingliang Liu, Yao Huang
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Publication number: 20230422552Abstract: A display panel and a display apparatus are provided in the present disclosure.Type: ApplicationFiled: December 23, 2020Publication date: December 28, 2023Inventors: Yao HUANG, Lili DU, Chao WU, Yue LONG, Cong LIU, Rui ZHOU, Weiyun HUANG, Bo SHI, Chi YU, Qiwei WANG
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Patent number: 11847970Abstract: A display substrate and a display device are provided. The display substrate includes a first display region including first light emitting unit groups and first pixel circuit groups connected with the first light emitting unit groups, a second display region including second light emitting unit groups, second pixel circuit groups connected with the second light emitting unit groups and third pixel circuit groups, and a third display region including third light emitting unit groups connected with the third pixel circuit groups. Each light emitting unit group includes light emitting units of different colors. The light emitting unit includes a main body electrode, an area of the main body electrode of at least one color light emitting unit in a non-edge region of the second display region is greater than that of a main body electrode of the same color light emitting unit in the first display region.Type: GrantFiled: October 15, 2021Date of Patent: December 19, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Wei Zhang, Yu Zhang, Chi Yu, Weiyun Huang
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Publication number: 20230403897Abstract: A display substrate includes a base substrate having a first display region and a second display region. Light transmittance of the first display region is greater than light transmittance of the second display region. Density of first light emitting devices in the first display region is same as density of second light emitting devices in the second display region. Each transparent conducting layer includes first anode wires electrically connected to first anodes of light emitting devices. The first anode wire includes a first portion extending in the column direction and a second portion extending in the row direction. The second portion of one first anode wire electrically connected with one first anode in a row and the second portion of another first anode wire electrically connected with another first anode in the row are located between different pairs of two adjacent rows of first anodes.Type: ApplicationFiled: November 27, 2020Publication date: December 14, 2023Inventors: Lili DU, Yue LONG
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Patent number: 11842665Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display area and a peripheral area surrounding the display area; a plurality of sub-pixels; a plurality of data signal lines; a plurality of data wires located in the peripheral area and electrically connected to the plurality of data signal lines; an electrostatic discharge circuit located in the peripheral area on the base substrate, and electrically connected to the plurality of data wires; and an encapsulation layer located on a side of the plurality of sub-pixels and the electrostatic discharge circuit away from the base substrate, wherein an orthographic projection of the electrostatic discharge circuit on the base substrate is located within an orthographic projection of the encapsulation layer on the base substrate.Type: GrantFiled: November 25, 2020Date of Patent: December 12, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cong Liu, Hongjun Zhou, Lili Du, Feng Wei
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Publication number: 20230395024Abstract: 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: ApplicationFiled: November 30, 2020Publication date: December 7, 2023Inventors: Yue LONG, Yao HUANG, Yuanjie XU, Benlian WANG, Lili DU
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Patent number: 11837144Abstract: The present application provides a displaying base plate and a displaying device, wherein the displaying base plate includes a transparent displaying region and an effective displaying region, the transparent displaying region includes a plurality of scanning lines, each of the scanning lines includes one or more first light emitting regions, a driving electrode of each of the first light emitting regions is connected to a corresponding driving circuit via a transparent trace, the transparent traces connected to the driving electrodes of a same one instance of the scanning lines are located in a same one layer, the plurality of scanning lines include at least a pair of neighboring first scanning line and second scanning line, and the transparent traces connected to the driving electrodes of the first scanning line and the transparent traces connected to the driving electrodes of the second scanning line are located in different layers.Type: GrantFiled: September 30, 2020Date of Patent: December 5, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lili Du, Yue Long, Pinchao Gu, Yuanyou Qiu, Qiwei Wang, Tianyi Cheng
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Patent number: 11839123Abstract: A display substrate and a display device are disclosed. The display substrate includes a base substrate, a plurality of sub-pixels, a plurality of data lines, a control signal line, data test lines, a test circuit and an auxiliary electrode line. The test circuit includes a plurality of test units, each of at least one of the plurality of test units includes a first control line and a plurality of control switches, the auxiliary electrode line and the first control line are connected in parallel with each other, and an orthographic projection of a part of at least one control switch among the plurality of control switches on a substrate surface of the base substrate is located between an orthographic projection of the first control line and an orthographic projection of the auxiliary electrode line on the substrate surface of the base substrate.Type: GrantFiled: March 11, 2021Date of Patent: December 5, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Feng Wei, Hongjun Zhou, Lili Du
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Publication number: 20230371336Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate, sub-pixels, a pixel defining layer having openings, spacers on the pixel defining layer. A shape of at least one of the openings is a polygon with at least one vertex angle cut off, and a corner portion of the opening includes a first corner portion formed by cutting off one vertex angle included between two sides of the polygon from the polygon. At least one of the spacers is arranged at an interval between the first corner portion and the opening adjacent to the first corner portion, and a connecting line between a geometric center of the opening where the first corner portion is located and a geometric center of the opening adjacent to the first corner portion passes through the first corner portion and the spacer.Type: ApplicationFiled: March 8, 2022Publication date: November 16, 2023Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Benlian Wang, Lili Du, Cong Liu, Chengjie Qin, Wei Zhang, Weiyun Huang, Ming Hu