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61. 发明公开

US20240177663A1 DISPLAY SUBSTRATE AND DISPLAY PANEL 审中-公开
公开(公告)号：US20240177663A1
公开(公告)日：2024-05-30
申请号：US17789938
申请日：2021-07-09
申请人： HEFEI BOE JOINT TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Yongqian LI , Can YUAN , Zhongyuan WU
IPC分类号： G09G3/3233 , H10K59/131
CPC分类号： G09G3/3233 , H10K59/131 , G09G2300/0408 , G09G2300/0452 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08
摘要： A display substrate and a display panel are provided. The display substrate includes: a base substrate; and a plurality of sub-pixels. Each sub-pixel includes a light-emitting element and a pixel circuit; the pixel circuit includes a driving circuit, a data writing circuit, a first control circuit, a second control circuit, and a light-emitting control circuit; the driving circuit is configured to control the driving current flowing through the light-emitting element; the light-emitting control circuit is configured to apply the driving current to the light-emitting element; the first control circuit is configured to write a reference voltage into the driving circuit; the second control circuit is configured to write an initial voltage into the first electrode of the light-emitting element; and orthographic projections of at least part of pixel circuits of every two adjacent sub-pixels in a same row of sub-pixels on the base substrate are mirror-symmetrical.

62. 发明公开

US20240161687A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240161687A1
公开(公告)日：2024-05-16
申请号：US17772955
申请日：2021-05-13
申请人： Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Meng LI , Yongqian LI , Chen XU , Jingquan WANG , Dacheng ZHANG , Yu WANG , Zhidong YUAN , Zhenhua QIU
IPC分类号： G09G3/3225 , H10K59/131
CPC分类号： G09G3/3225 , H10K59/131 , G09G2300/0408 , G09G2300/0452 , G09G2300/0842
摘要： The present disclosure provides a display substrate and a display device, and belongs to the field of display technologies. The display substrate includes a base substrate, a plurality of pixels, a plurality of gate lines and a plurality of data lines, wherein the base substrate has a plurality of transparent regions and a plurality of display regions, and the transparent regions and the display regions alternate with each other in a first direction; the pixels are on the base substrate and within the display regions; pixels within each of the display regions are arranged in a second direction; each pixel includes a plurality of sub pixels; the sub pixels of each pixel are divided into two rows of sub pixels; each row of sub pixels are arranged in the first direction; the first direction intersects the second direction; the gate lines and the data lines are on the base substrate; the gate lines extend along the first direction; the data lines extend along the second direction; the sub pixels of a first pixel are connected with the same gate line; the gate line connected with the sub pixels of the first pixel is between the two rows of sub pixels of the first pixel; and the first pixel is any one of the plurality of pixels.

63. 发明公开

US20240155889A1 DISPLAY PANEL AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240155889A1
公开(公告)日：2024-05-09
申请号：US17770650
申请日：2021-05-26
申请人： HEFEI BOE JOINT TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Yongqian LI , Zhidong YUAN
IPC分类号： H10K59/131 , H10K59/121 , H10K59/80
CPC分类号： H10K59/131 , H10K59/1213 , H10K59/1216 , H10K59/8792
摘要： A display panel and a display device, wherein the display panel includes a display area and the display panel further includes: a base substrate, a third conductive layer, a pixel electrode layer, a common electrode layer, the third conductive layer is disposed at a side of the base substrate and includes a first conductive part in the display area. The pixel electrode layer is disposed at a side of the third conductive layer away from the base substrate, the common electrode layer is disposed at a side of the pixel electrode layer away from the base substrate, the common electrode layer includes at least a through-hole contacting part in the display area connected to the first conductive part via a first through hole.

64. 发明公开

US20240057420A1 DISPLAY SUBSTRATE AND DISPLAY DEVICE 审中-公开
公开(公告)号：US20240057420A1
公开(公告)日：2024-02-15
申请号：US18494897
申请日：2023-10-26
申请人： HEFEI BOE JOINT TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Can YUAN , Yongqian LI , Meng LI , Zhidong YUAN , Dacheng ZHANG , Lang LIU
IPC分类号： H10K59/131 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/121 , H10K71/00
CPC分类号： H10K59/1315 , G09G3/3233 , G09G3/3266 , G09G3/3275 , H10K50/813 , H10K50/824 , H10K59/122 , H10K59/124 , H10K59/1216 , H10K71/00 , G09G2300/0426
摘要： A display substrate 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.

65. 发明公开

US20230306924A1 SHIFT REGISTER CIRCUIT, GATE DRIVER CIRCUIT AND DRIVING METHOD THEREFOR, AND DISPLAY APPARATUS 审中-公开
公开(公告)号：US20230306924A1
公开(公告)日：2023-09-28
申请号：US17776267
申请日：2020-11-24
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xuehuan FENG , Yongqian LI
IPC分类号： G09G3/36 , G09G3/20
CPC分类号： G09G3/3677 , G09G3/2092 , G09G2310/0286 , G09G2310/08
摘要： A shift register circuit includes an input sub-circuit, an output sub-circuit and a control sub-circuit. The input sub-circuit is coupled to a first input signal terminal and a pull-up node, and configured to, under control of a first input signal, transmit the first input signal to the pull-up node. The output sub-circuit is at least coupled to the pull-up node, a first clock signal terminal and a first signal output terminal, and configured to transmit a first clock signal to the first signal output terminal under control of a voltage at the pull-up node. The control sub-circuit is coupled to at least one first reference node, at least one first control signal terminal and the pull-up node, and configured to transmit a voltage at a first reference node to the pull-up node under control of a first control signal.

66. 发明公开

US20230196994A1 SHIFT REGISTER UNIT, GATE DRIVING CIRCUIT, DISPLAY DEVICE AND DRIVING METHOD 审中-公开
公开(公告)号：US20230196994A1
公开(公告)日：2023-06-22
申请号：US18108730
申请日：2023-02-13
申请人： HEFEI BOE JOINT TECHNOLOGY CO., LTD. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xuehuan FENG , Yongqian LI , Hao LIU
IPC分类号： G09G3/3225 , G11C19/28 , G09G3/3266
CPC分类号： G09G3/3225 , G11C19/28 , G09G3/3266 , G09G2310/0286
摘要： A shift register unit, a gate driving circuit, a display device, and a driving method are disclosed. The shift register unit includes a first sub-circuit, a second sub-circuit, a leakage prevention circuit and a blanking input sub-circuit, wherein the first sub-circuit comprises a first input circuit and a first output circuit; the second sub-circuit comprises a second input circuit and a second output circuit; the leakage prevention circuit is configured to control a level of a leakage prevention node under control of the level of the first node, so as to turn off a circuit connected between the first node and the leakage prevention node; and the blanking input sub-circuit is connected to the first node and the second node, and is configured to receive a selection control signal and a first clock signal, and control the level of the first node and the level of the second node.

67. 发明公开

US20230154410A1 DISPLAY PANEL AND DISPLAY APPARATUS 审中-公开
公开(公告)号：US20230154410A1
公开(公告)日：2023-05-18
申请号：US17642983
申请日：2020-10-23
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xuehuan FENG , Yongqian LI
IPC分类号： G09G3/3266 , G09G3/3233 , H10K59/131 , G11C19/28
CPC分类号： G09G3/3266 , G09G3/3233 , H10K59/131 , G11C19/28 , G09G2310/0286 , G09G2300/0426 , G09G2300/0842 , G09G2330/021
摘要： A display panel includes a plurality of rows of sub-pixels and at least one gate driver circuit that are disposed on a base substrate. Each sub-pixel includes a pixel driver circuit and a light-emitting device coupled to the pixel driver circuit, and a gate driver circuit includes a plurality of shift registers that are cascaded and a plurality of control signal lines. A shift register is coupled to a plurality of pixel driver circuits in at least one row of sub-pixels and at least a part of the plurality of control signal lines, and includes a plurality of first thin film transistors that are divided into a plurality of first thin film transistors. At least one thin film transistor group is located in the display region and distributed between adjacent sub-pixels in a same row of sub-pixels.

68. 发明申请

US20230084070A1 SHIFT REGISTER UNIT, SIGNAL GENERATION UNIT CIRCUIT, DRIVING METHOD AND DISPLAY DEVICE 有权
公开(公告)号：US20230084070A1
公开(公告)日：2023-03-16
申请号：US17770250
申请日：2021-04-15
申请人： Hefei BOE Joint Technology Co., Ltd. , BOE Technology Group Co., Ltd.
发明人： Xuehuan FENG , Yongqian LI
IPC分类号： G09G5/00 , G11C19/28
摘要： The present disclosure provides a shift register unit, a signal generation unit circuit, a driving method and a display device. The shift register unit includes a first node control circuit, a second node control circuit and an output circuit, the first node control circuit is used to control a potential of a first node; the second node control circuit controls a potential of a second node; the output circuit is used to control and maintain the potential of the first node and the potential of the second node, and control to connect the output terminal and the second clock signal terminal under the control of the potential of the first node, and control to connect the input terminal and the second voltage terminal under the control of the potential of the second node.

69. 发明申请

US20230033702A1 DISPLAY PANEL AND DISPLAY APPARATUS 有权
公开(公告)号：US20230033702A1
公开(公告)日：2023-02-02
申请号：US17791558
申请日：2020-12-23
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE TECHNOLOGY GROUP CO., LTD.
发明人： Xuehuan FENG , Yongqian LI
IPC分类号： G09G3/3266
摘要： A display panel (100), comprising: a substrate (1), a plurality of sub-pixels (2) and a gate driving circuit (3). The sub-pixels (2) comprise pixel driving circuits (21). The gate driving circuit (3) comprises multiple stages of cascaded shift registers (31), wherein one stage of shift registers (31) is electrically connected to a plurality of pixel driving circuits (21) in one row of sub-pixels (2). The gate driving circuit (3) further comprises: a plurality of cascaded input signal lines (34) and a plurality of cascaded display reset signal lines (35). Each cascaded input signal line (34) is configured to be connected to a shift signal end (CR ) of one stage of shift registers (31) and an input signal end (Iput) of another stage of shift registers (31); and each cascaded display reset signal line (35) is configured to be connected to the shift signal end (CR ) of one stage of shift registers (31) and a display reset signal end (STD) of another stage of shift registers. The display panel (100) is provided with a plurality of sub-pixel regions (S) used for arranging the plurality of sub-pixels (2), and first gap regions (D) located between two adjacent columns of sub-pixel regions (5); and the cascaded display reset signal lines (35) and the cascaded input signal lines (34) are both arranged in the first gap regions (D), and the two are arranged in different first gap regions (D).

70. 发明申请

US20230021680A1 DISPLAY SUBSTRATE AND METHOD FOR MANUFACTURING SAME, AND DISPLAY APPARATUS 有权
公开(公告)号：US20230021680A1
公开(公告)日：2023-01-26
申请号：US17787943
申请日：2021-08-05
申请人： Hefei BOE Joint Technology Co.,Ltd. , BOE Technology Group Co., Ltd.
发明人： Yongqian LI , Can YUAN
IPC分类号： H01L27/32 , H01L27/12
摘要： A display substrate, including: a base, and a plurality of sub-pixels arranged on the base. At least one of the plurality of sub-pixels includes a pixel driving circuit and a light-emitting element electrically connected to the pixel driving circuit. The pixel driving circuit includes a plurality of transistors and at least one storage capacitor. In a direction perpendicular to the base, the display substrate includes: a semiconductor layer, a first metal layer, a second metal layer, a third metal layer and a fourth metal layer, which are sequentially arranged on the base. The semiconductor layer includes: an active layer of the plurality of transistors. The first metal layer includes at least a scanning line extending in a first direction, a gate electrode of the plurality of transistors, and a first capacitor electrode plate of the storage capacitor.

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