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公开(公告)号：US11937446B2
公开(公告)日：2024-03-19
申请号：US16977285
申请日：2019-10-21
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xinwei Gao , Kaihong Ma , Dacheng Zhang , Lang Liu , Chen Xu
IPC: H10K50/844 , H10K50/842 , H10K59/12 , H10K59/131 , H10K71/00
CPC classification number: H10K50/844 , H10K50/8426 , H10K59/131 , H10K71/00 , H10K59/1201
Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region that surrounds the display region and includes a peripheral circuit region and a peripheral region; the peripheral circuit region is between the display region and the peripheral region. At least a part of a barrier structure of the display panel is in the peripheral circuit region, and the barrier structure includes an organic barrier layer including an opening passing through the organic barrier layer and an inorganic barrier layer covering the organic barrier layer and filling the opening; an extension direction of the opening is same as that of an edge, close to the opening, of the display panel the peripheral circuit is in the peripheral circuit region.
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公开(公告)号：US11930676B2
公开(公告)日：2024-03-12
申请号：US18052653
申请日：2022-11-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Lang Liu , Jingquan Wang , Chen Xu
IPC: H10K59/131 , G06F3/041 , H10K50/844 , H10K59/121 , H10K59/122 , H10K59/40 , H10K59/65 , H10K77/10 , G06F3/044 , H10K102/00
CPC classification number: H10K59/131 , G06F3/0412 , H10K50/844 , H10K59/121 , H10K59/122 , H10K59/40 , H10K59/65 , H10K77/111 , G06F3/0445 , G06F3/0446 , H10K2102/311
Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1≥S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1≥(S1/n)/L1.
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公开(公告)号：US11910680B2
公开(公告)日：2024-02-20
申请号：US16976839
申请日：2019-11-29
Inventor： Can Yuan , Yongqian Li , Meng Li , Zhidong Yuan , Dacheng Zhang , Lang Liu
IPC: H01L27/32 , H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/121 , H10K71/00
CPC classification number: H10K59/1315 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/1216 , H10K71/00 , G09G2300/0426
Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels.
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公开(公告)号：US11444138B2
公开(公告)日：2022-09-13
申请号：US16648758
申请日：2019-05-13
Inventor： Bo Mao , Mengyu Luan , Changjun Jiang , Jun Li , Lang Liu , Zexu Liu , Hongtao Guo
Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.
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公开(公告)号：US20200258959A1
公开(公告)日：2020-08-13
申请号：US16648758
申请日：2019-05-13
Inventor： Bo Mao , Mengyu Luan , Changjun Jiang , Jun Li , Lang Liu , Zexu Liu , Hongtao Guo
Abstract: A display panel, a manufacturing method thereof and a display device are provided. The display panel includes a base substrate, a pixel definition layer, a light emitting layer and a spacer. The pixel definition layer is configured to define each of subpixels in the display panel and includes a groove structure which is disposed between adjacent subpixels, the spacer is disposed in the groove structure, the light emitting layer is disposed on a side of the pixel definition layer and the spacer away from the base substrate, and a thermal expansion efficient of the spacer is greater than a thermal expansion efficient of the light emitting layer.
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Patent Agency Ranking
公开(公告)号：US09894726B2
公开(公告)日：2018-02-13
申请号：US15111409
申请日：2015-12-17
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yanfu Li , Jing Yu , Xuewen Lv , Lang Liu , Zhigang Zhou
CPC classification number: H05B33/0854 , H04N5/58 , H04N5/66 , H05B37/0218 , H05B37/0227 , Y02B20/46
Abstract: The present invention provides a wall-mounted display apparatus and a control method thereof, the h devices are provided in edge areas of a back surface opposite to a light emitting surface of the display apparatus, and/or the plurality of light emitting devices are provided on edge side surfaces perpendicular to the light emitting surface of the display apparatus and are configured to emit light towards the rear of the display apparatus. The control method comprises controlling a plurality of light emitting devices to emit light upon the display apparatus is in operation. The wall-mounted display apparatus and control method thereof according to exemplary embodiments of the invention are capable of effectively eliminating or attenuating shadow areas around a display apparatus, thereby avoiding influence on watching effect of the user.
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公开(公告)号：US12239002B2
公开(公告)日：2025-02-25
申请号：US18263634
申请日：2022-07-06
Inventor： Jingjing Xu , Xueguang Hao , Chunyan Li , Lang Liu , Jingquan Wang
IPC: G06F3/044 , G06F3/041 , H10K59/126 , H10K59/131 , H10K59/40 , G09G3/3225
Abstract: A display substrate and a display device are provided. The display substrate includes a display region and an opening located in the display region, the opening penetrates through the display substrate, and the display substrate includes a base substrate, a driving circuit layer, a light-emitting component layer, an encapsulation layer, and a touch control layer. The driving circuit layer includes a first signal line at least partially surrounding the opening; the light-emitting component layer is provided on a side of the driving circuit layer away from the base substrate; the encapsulation layer is provided on a side of the light-emitting component layer away from the base substrate; the touch control layer includes a touch control electrode and a touch control compensation electrode at least partially surrounding the opening; the first signal line at least partially overlaps with the touch control compensation electrode.
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公开(公告)号：US20250046248A1
公开(公告)日：2025-02-06
申请号：US18702054
申请日：2023-08-01
Applicant: Chengdu BOE Optoelectronics Technology Co., Ltd. , BOE Technology Group Co., Ltd. , Beijing BOE Technology Development Co., Ltd.
Inventor： Mengmeng Du , Yao Huang , Tingliang Liu , Lang Liu , Yuxin Zhang , Xilei Cao , Cong Fan , Zhiwei Xiang , Xiangdan Dong , Hanchao Li
IPC: G09G3/3233 , H10K59/121 , H10K59/131
Abstract: An array substrate is provided. The array substrate includes a first semiconductor material layer and a second semiconductor material layer on a side of the first semiconductor material layer away from a base substrate. The first semiconductor material layer includes at least active layers of the driving transistor and the data write transistor. The second semiconductor material layer includes at least an active layer of the compensating transistor. A first capacitance is at least partially formed between a gate connecting pad and at least one of the second semiconductor material layer or a first node connecting line. A second capacitance is formed between the first node connecting line and a respective second gate line. The first capacitance is greater than the second capacitance.
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公开(公告)号：US12205542B2
公开(公告)日：2025-01-21
申请号：US18014766
申请日：2021-07-30
Inventor： Yao Huang , Benlian Wang , Ming Hu , Lang Liu , Kai Zhang , Weiyun Huang
IPC: G09G3/3233 , G09G3/20 , H10K59/121
Abstract: A pixel driving circuit includes: a driving transistor, a data write circuit, a threshold compensation circuit, a first capacitor, and a second capacitor. A gate of the driving transistor is coupled to a first node, a first electrode is coupled to a second node, and a second electrode is coupled to a third node. The data write circuit is configured to transmit a signal of a data signal terminal to the second node in response to a signal of a first gate driving signal terminal. The threshold compensation circuit is configured to communicate the first node with the third node in response to a signal of a second gate driving signal terminal. The first capacitor is coupled between the first node and the first gate driving signal terminal. The second capacitor is coupled between the first node and the second gate driving signal terminal.
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公开(公告)号：US12016219B2
公开(公告)日：2024-06-18
申请号：US17279855
申请日：2020-05-19
Inventor： Zhidong Yuan , Dacheng Zhang , Yongqian Li , Lang Liu , Zhongyuan Wu , Can Yuan , Meng Li
IPC: H10K59/131 , H10K50/842 , H10K59/12 , H10K59/121 , H10K59/122 , H10K71/00
CPC classification number: H10K59/131 , H10K50/8426 , H10K59/121 , H10K59/122 , H10K71/00 , H10K59/1201
Abstract: A display substrate includes: a base substrate including a display area and a peripheral area pixel units in the display area, each including a pixel drive circuit and a light emitting device the light emitting device including a first electrode, a second electrode, and a light emitting layer; a first power trace located in the peripheral area and electrically connected to the first electrode; a second power trace located in the peripheral area and electrically connected to the second electrode; a planarization layer with at least a portion thereof being located in the peripheral area. An orthographic projection of the planarization layer on the base substrate at least partially overlaps an orthographic projection of each of the first and second power traces on the base substrate, the first and second power traces are located in different layers, and a portion of the planarization layer is located between the first and second power traces.
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