Patents by Inventor Liangchen Yan
Liangchen Yan 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: 12274094Abstract: Provided is a gate driving circuit. The gate driving circuit includes a plurality of first transistors; wherein at least one first target transistor of the plurality of first transistors includes a first light-shielding layer disposed on a side of a base substrate, the first light-shielding layer being made of a conductive material; and a first gate metal layer and a first source/drain metal layer disposed on a side of the first light-shielding layer away from the base substrate; wherein the first light-shielding layer is connected to the first gate metal layer.Type: GrantFiled: October 12, 2021Date of Patent: April 8, 2025Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tongshang Su, Jun Cheng, Bin Zhou, Ce Zhao, Qinghe Wang, Jun Wang, Liangchen Yan
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Patent number: 12245466Abstract: The present disclosure provides an array substrate, a method for manufacturing the array substrate, a display panel and a display device. The array substrate includes: a substrate; a planarization layer on a side of the substrate; a pixel defining layer configured to define a pixel opening region and located on a side of the planarization layer away from the substrate; an anode in the pixel opening region and on a side of the planarization layer away from the substrate. The array substrate further includes an intermediate insulation layer between the planarization layer and the pixel defining layer. The intermediate insulation layer has a chemical polarity between a chemical polarity of the planarization layer and a chemical polarity of the pixel defining layer.Type: GrantFiled: November 5, 2020Date of Patent: March 4, 2025Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Li, Jingjing Xia, Bin Zhou, Yang Zhang, Guangyao Li, Wei Song, Xuanang Wang, Qinghe Wang, Liusong Ni, Jun Liu, Liangchen Yan, Ming Wang, Jingang Fang
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Patent number: 12238969Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a drive circuit layer disposed on a base substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the base substrate. The light emitting structure layer includes an anode, an organic light emitting layer, a cathode, and an auxiliary electrode. The organic light emitting layer is respectively connected to the anode and the cathode, and the cathode is connected to the auxiliary electrode; in a plane parallel to the display substrate, an edge of the auxiliary electrode is provided with a structure depressed towards a center of the auxiliary electrode.Type: GrantFiled: February 26, 2021Date of Patent: February 25, 2025Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tongshang Su, Bin Zhou, Jun Cheng, Qinghe Wang, Yongchao Huang, Dacheng Zhang, Liangchen Yan
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Publication number: 20250048871Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.Type: ApplicationFiled: October 18, 2024Publication date: February 6, 2025Inventors: Ning LIU, Dacheng ZHANG, Tong WU, Jun LIU, Qinghe WANG, Yang ZHANG, Bin ZHOU, Liangchen YAN, Huadong WANG, Chongchong LIU, Jie ZHANG
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Patent number: 12171126Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.Type: GrantFiled: March 31, 2021Date of Patent: December 17, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ning Liu, Dacheng Zhang, Tong Wu, Jun Liu, Qinghe Wang, Yang Zhang, Bin Zhou, Liangchen Yan, Huadong Wang, Chongchong Liu, Jie Zhang
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Publication number: 20240395827Abstract: The present disclosure provides a display substrate, a manufacturing method and a display device. The display substrate includes a base substrate, a driving circuit layer and a light-emitting unit. The driving circuit layer includes a source/drain metal layer, the source/drain metal layer includes a source electrode, a drain electrode and an auxiliary electrode, the light-emitting unit includes a first electrode structure, a light-emitting layer and a second electrode structure, the display substrate further includes an auxiliary connection structure and a protection hole, an orthogonal projection of the auxiliary connection structure onto the base substrate is located within an orthogonal projection of the protection hole onto the base substrate, and a distance between a surface of the auxiliary connection structure away from the base substrate and the base substrate is less than a distance between a surface of the planarization layer away from the base substrate and the base substrate.Type: ApplicationFiled: August 30, 2022Publication date: November 28, 2024Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ning Liu, Bin Zhou, Ce Zhao, Liangchen Yan
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Publication number: 20240395852Abstract: Embodiments of the present disclosure provide an array substrate and a related display panel and a method of manufacturing thereof.Type: ApplicationFiled: September 29, 2022Publication date: November 28, 2024Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Leilei CHENG, Cheng XU, Jie LIU, Bin ZHOU, Liangchen YAN, Haitao WANG, Ao SHENG
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Publication number: 20240389430Abstract: Provided is a display panel. The display panel includes a substrate; and an insulating layer disposed on the substrate, and an auxiliary electrode, a light-emitting layer, and a cathode layer that are stacked in sequence, the insulating layer being provided with a first via, and the auxiliary electrode and the cathode layer being lapped with each other in the first via; wherein an opening in a side, distal from the substrate, of the first via is of a polygonal shape, and the light-emitting layer forms a broken line at each edge of the opening.Type: ApplicationFiled: November 9, 2021Publication date: November 21, 2024Inventors: Ning LIU, Qinghe WANG, Jun LIU, Hao YIN, Bin ZHOU, Liangchen YAN
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Publication number: 20240389383Abstract: A display panel includes a base substrate, and pixel driving circuits disposed on the base substrate. A pixel driving circuit in the pixel driving circuits includes a driving transistor and a capacitor. A gate of the driving transistor is farther from the base substrate than an active layer of the driving transistor. An active portion of the active layer includes edges that are flush with respective edges of the gate. A first electrode plate of the capacitor is coupled to the gate of the driving transistor. A second electrode plate of the capacitor is disposed on a side of the gate away from the base substrate, and is able to shield light.Type: ApplicationFiled: November 22, 2021Publication date: November 21, 2024Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yongchao HUANG, Qinghe WANG, Leilei CHENG, Tongshang SU, Jun LIU, Chao WANG, Jun CHENG, Liangchen YAN
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Patent number: 12144204Abstract: A displaying substrate, a manufacturing method thereof, and a display panel. The displaying substrate includes: a first capacitor electrode at least partially located in luminous zones, a buffer layer covering the first capacitor electrode, and a second capacitor electrode and an active layer that are disposed on the buffer layer and do not overlap with each other, wherein the active layer is located in a non-luminous zone, and the first capacitor electrode, the buffer layer and the second capacitor electrode form a storage capacitor.Type: GrantFiled: February 4, 2021Date of Patent: November 12, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Ning Liu, Qinghe Wang, Liusong Ni, Tao Sun, Bin Zhou, Liangchen Yan
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Publication number: 20240373702Abstract: A display panel and a method for manufacturing a display panel, and a display apparatus are provided. The display panel includes a substrate, a driving layer and a light-emitting layer, the driving layer includes a plurality of groups of pixel circuits, the source-drain metal layer of the driving layer includes an auxiliary electrode located on a side of a group of pixel circuits; the light-emitting layer includes a light-emitting device and a transition structure, a second electrode of the light emitting device covers at least a part of the transition structure and is connected to the auxiliary electrode.Type: ApplicationFiled: June 2, 2022Publication date: November 7, 2024Inventors: Yingbin HU, Ca ZHAO, Ming WANG, Shun WANG, Jiawen SONG, Yang XIA, Dongdong ZHANG, Yang ZHANG, Liangchen YAN, Ning LIU
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Publication number: 20240315089Abstract: A display device, and a display panel and a manufacturing method therefor, relating to the technical field of display. The display panel includes a substrate, a driver layer, a barrier structure, and a light-emitting layer covering the driver layer and the barrier structure and being discontinuously at least at a barrier groove of the barrier structure. The barrier structure includes a support layer, a barrier layer and a second protective layer. The barrier layer is in a different area of a same film layer than a wiring layer of the driver layer, and a side wall of the barrier layer is provided with the barrier groove surrounding the driver layer. The second protective layer is on a surface of the barrier layer away from the substrate and in a different area of a same protective film than a first protective layer of the driver layer.Type: ApplicationFiled: November 19, 2021Publication date: September 19, 2024Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jun LIU, Yongchao HUANG, Li SUN, Haidong WANG, Yuxuan MA, Bin ZHOU, Liangchen YAN
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Publication number: 20240276818Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display device. The display substrate includes: a substrate structure including a base substrate; and a light-emitting structure, a pixel defining layer and a connection structure wherein the light-emitting structure includes a conductive structure layer, a first light-emitting layer and a first electrode layer. The connection structure includes a first conductive layer, a second conductive layer and a top structure, wherein an orthographic projection of the second conductive layer on the base substrate is inside an orthographic projection of the top structure on the base substrate, and the top structure includes a second light-emitting layer, wherein an orthographic projection of the first light-emitting layer on the base substrate partially overlaps with an orthographic projection of the second light-emitting layer on the base substrate.Type: ApplicationFiled: March 16, 2022Publication date: August 15, 2024Inventors: Ning Liu, Can Yuan, Xinxin Wang, Yu Wang, Bin Zhou, Dacheng Zhang, Liangchen Yan
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Publication number: 20240276778Abstract: The present disclosure provides a display substrate and a preparation method thereof, and a display apparatus. The display substrate comprises a display region and a transparent region, and on a plane perpendicular to the display substrate, the display substrate at least comprises a drive structure layer and a light-emitting structure layer which are arranged on a substrate, wherein the drive structure layer at least comprises an inorganic insulation layer, and the light-emitting structure layer at least comprises a pixel definition layer; the drive structure layer of the display region further comprises a planarization layer arranged on the inorganic insulation layer, and a pixel definition layer is arranged on the planarization layer and is in contact with the planarization layer; and at least one groove is provided on the inorganic insulation layer of the transparent region, and the pixel definition layer fills the groove located in the transparent region.Type: ApplicationFiled: April 26, 2022Publication date: August 15, 2024Inventors: Ning LIU, Yang ZHANG, Haitao WANG, Zhengchao ZHANG, Bin ZHOU, Liangchen YAN
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Publication number: 20240276768Abstract: A display substrate includes: a plurality of pixel units each including a plurality of sub-pixels, wherein each sub-pixel includes a light emitting element and a pixel driving circuit; a base substrate, a functional layer, a light-shielding layer, a buffer layer, an active layer and a gate electrode layer arranged in sequence; a first via hole penetrating the buffer layer; and a signal line arranged on a side of the buffer layer away from the base substrate. The functional layer of the pixel driving circuit is electrically connected to the signal line through the first via hole. A projection of the light-shielding layer on the base substrate and a projection of the functional layer on the base substrate form an overlap region, and a projection of the first via hole on the base substrate is located in the overlap region.Type: ApplicationFiled: April 7, 2022Publication date: August 15, 2024Inventors: Ning Liu, Chunjie Xu, Xuehai Gui, Bin Zhou, Liangchen Yan
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Publication number: 20240276793Abstract: The embodiment of the present disclosure provides a display panel and a display apparatus, the display panel includes a base substrate, an electrode layer and a planarization layer. The electrode layer includes a plurality of repeating units, each of which includes at least one electrode set, each of the electrode set includes a plurality of electrode blocks arranged along a first direction, each of the electrode blocks includes a plurality of first electrodes arranged along the first direction and a connection electrode connected between every two adjacent first electrodes. The planarization layer is provided with a plurality of grooves, a corresponding groove of the plurality of grooves is on at least one side of the repeating unit in a second direction. The groove includes a first sidewall extending along the first direction, and at least a portion of the connection electrode is on the first sidewall.Type: ApplicationFiled: April 21, 2022Publication date: August 15, 2024Inventors: Tongshang SU, Jun CHENG, Yongchao HUANG, Jun LIU, Liangchen YAN, Haitao WANG
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Publication number: 20240251628Abstract: A display substrate, a display device and a fabrication method are disclosed. The display substrate includes: a base substrate, having a first light-emitting region, a second light-emitting region and a transparent region, where an orthographic projection of the transparent region on the base substrate does not overlap an orthographic projection of the first light-emitting region on the base substrate and an orthographic projection of the second light-emitting region on the base substrate; and a light-emitting member, located on a side of the base substrate and including a bottom-emitting light-emitting unit located in the first light-emitting region and a top-emitting light-emitting unit located in the second light-emitting region.Type: ApplicationFiled: February 28, 2022Publication date: July 25, 2024Inventors: Tongshang SU, Jun LIU, Yongchao HUANG, Jun CHENG, Liangchen YAN, Shengping DU
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Publication number: 20240244924Abstract: An embodiment of the disclosure provides a display panel comprising a substrate, a display area of the display panel includes a plurality of sub-pixel regions, each sub-pixel includes a first pixel electrode and a second pixel electrode. The display panel further includes an auxiliary electrode connection region including an auxiliary electrode and an electrode connection structure on the substrate, the second pixel electrode is connected to the auxiliary electrode via the electrode connection structure, and an orthogonal projection of the auxiliary electrode connection region on the substrate has no overlap with orthogonal projections of the plurality of sub-pixel regions on the substrate. The electrode connection structure includes a first connection electrode on the auxiliary electrode, a second connection electrode on a side of the first connection electrode facing away the substrate, and a third connection electrode between the first connection electrode and the second connection electrode.Type: ApplicationFiled: January 29, 2022Publication date: July 18, 2024Inventors: Bin ZHOU, Ning LIU, Dacheng ZHANG, Liangchen YAN, Yu WANG
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Publication number: 20240215342Abstract: A display panel includes a substrate, a driving layer and a light-emitting control layer. The driving layer is provided with a plurality of driving transistors arranged into a plurality of transistor rows in a column direction. The light-emitting control layer includes a plurality of light-emitting devices arranged into a plurality of device rows in the column direction, the device rows is spaced apart by the transistor row in the column direction, and the transistor rows is spaced apart by the device row in the column direction. The pixel-defining layer is provided with a plurality of blocking grooves recessed toward the substrate, the plurality of blocking grooves are arranged in the column direction, at least one of the plurality of blocking grooves is arranged between the transistor row and the device row adjacent in the column direction, and a light-shielding layer is arranged in the blocking groove.Type: ApplicationFiled: May 28, 2021Publication date: June 27, 2024Inventors: Yongchao HUANG, Jingang FANG, Jun CHENG, Xinxin WANG, Jun LIU, Qinghe WANG, Leilei CHENG, Bin ZHOU, Ce ZHAO, Liangchen YAN
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Patent number: 11961848Abstract: Disclosed are a display substrate and a manufacturing method therefor, and a display device. The display substrate comprises: a substrate base, and an active layer, a gate insulating layer, a first metal film layer, an interlayer insulating layer, a second metal film layer, and a passivation layer stacked in sequence on the substrate base. The first metal film layer comprises a pattern of a gate and a gate line. The second metal film layer comprises a pattern of a source/drain and a data line. The gate line and the data line are partially arranged opposite to each other. An oxide metal layer is provided on the surface of the side of the region of the gate line opposite to the data line facing the data line.Type: GrantFiled: May 14, 2020Date of Patent: April 16, 2024Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jun Liu, Liangchen Yan, Bin Zhou, Yadong Liang, Ning Liu, Leilei Cheng, Jingang Fang