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公开(公告)号：US12142211B2
公开(公告)日：2024-11-12
申请号：US17795869
申请日：2021-09-15
Inventor： Junbo Wei , Dachao Li , Shengji Yang , Pengcheng Lu , Kuanta Huang , Zhijian Zhu , Yuanlan Tian
IPC: G09G3/3233 , G09G3/00
Abstract: A display substrate, a pixel circuit, a driving method and a display device are provided. The display substrate includes a substrate and a plurality of repeating units arranged in an array on one side of the substrate, each repeating unit includes at least two light emitting elements and at least two pixel circuits, each pixel circuit includes a first transistor, a second transistor and a third transistor, and the third transistor is configured to drive the light emitting element to emit light; each repeating unit further includes a first region, a second region and a third region arranged continuously in the first direction, the first region includes at least two of the first transistors, the third region including at least two of the third transistors, and the type of the first transistor and the type of the third transistor are different.
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公开(公告)号：US20240304153A1
公开(公告)日：2024-09-12
申请号：US18028026
申请日：2022-06-24
Inventor： Longfei Fan , Xiaochuan Chen , Pengcheng Lu
IPC: G09G3/3291 , G09G3/3233
CPC classification number: G09G3/3291 , G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2310/0251
Abstract: A pixel circuit, a driving method, and a display device. The pixel circuit includes a light-emitting element, a data writing circuit, a first control circuit, a driving circuit, a first power storage circuit, and a second power storage circuit. The first control circuit is configured to write a first initial voltage provided by a first initial voltage terminal into a first electrode of the light-emitting element under control of a first control signal provided by a first control terminal in a non-light-emitting phase. The driving circuit drives the light-emitting element to emit light under the control of a potential of a control terminal of the driving circuit. The present disclosure enhances the contrast in the non-light-emitting phase.
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公开(公告)号：US20240296802A1
公开(公告)日：2024-09-05
申请号：US18025521
申请日：2022-06-24
Inventor： Yaoxi Ma , Longfei Fan , Shanghong Jiang , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Dachao Li
IPC: G09G3/3291
CPC classification number: G09G3/3291 , G09G2300/0819 , G09G2300/0852 , G09G2310/0286
Abstract: A driving circuit, a driving method, a display device, and a display control method are provided. The driving circuit includes multi-stage driving units and an on/off control circuit. Each of the driving units includes an input end and a driving signal output end, and each of the driving units is configured for outputting a corresponding driving signal via the driving signal output end according to an input signal provided by the input end. The input end of a first-stage driving unit is electrically connected to a start signal end. The on/off control circuit is electrically connected to an on/off control end and input ends of the multi-stage driving units, and configured for controlling the electric connection or electric disconnection of the input ends of the multi-stage driving units under the control of an on/off control signal provided by the on/off control end.
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公开(公告)号：US20240265861A1
公开(公告)日：2024-08-08
申请号：US18021438
申请日：2022-06-29
Inventor： Yaoxi Ma , Longfei Fan , Pengcheng Lu , Shengji Yang , Xiaochuan Chen , Shanghong Jiang , Zhijian Zhu , Huaiyun Fan
IPC: G09G3/3225 , G11C19/28 , H10K59/131
CPC classification number: G09G3/3225 , G11C19/287 , H10K59/131 , G09G2300/0852 , G09G2310/08
Abstract: An array base plate includes a silicon substrate including multiple cascaded EOA units disposed at a peripheral area; the EOA units are electrically connected to a pixel driving unit; each EOA unit includes an input circuit transmitting a signal input by a light-emitting control signal input line to the EOA unit; a first control circuit transmitting a second power signal input by a second power signal line to a first node, and transmitting a first power signal input by a first power signal line to a second node; a second control circuit transmitting a second clock signal to a third node or transmitting the second power signal to the third node; a pull-up circuit transmitting the first power signal to a light-emitting control signal output line, and a pull-down circuit transmitting the second power signal to the light-emitting control signal output line.
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公开(公告)号：US11980047B2
公开(公告)日：2024-05-07
申请号：US17259238
申请日：2020-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Shengji Yang , Xue Dong , Xiaochuan Chen , Pengcheng Lu , Hui Wang , Yanming Wang , Yage Song , Jiantong Li , Kuanta Huang
IPC: H10K50/824 , H10K59/122 , H10K59/131
CPC classification number: H10K50/824 , H10K59/122 , H10K59/131
Abstract: A display panel includes a driving back plate, a first insulating layer, and a light-emitting device layer sequentially stacked. The driving back plate includes a first reflecting electrode layer. The first reflecting electrode layer includes first primary reflecting electrodes in a display area and first auxiliary reflecting electrodes in a peripheral area. The light-emitting device layer includes a second reflecting electrode layer including second primary reflecting electrodes in the display area and second auxiliary reflecting electrodes in the peripheral area. The second primary reflecting electrodes are in one-to-one correspondence and electrically connected with the first primary reflecting electrodes. The orthographic projection of the second primary reflecting electrode on the first reflecting electrode layer are located within the first primary reflecting electrode.
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Patent Agency Ranking
公开(公告)号：US11974472B2
公开(公告)日：2024-04-30
申请号：US16958921
申请日：2019-08-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Yunlong Li , Pengcheng Lu , Kui Zhang , Li Liu , Kuanta Huang , Shengji Yang , Xiaochuan Chen , Dacheng Zhang
IPC: H10K59/131 , H10K50/844 , H10K71/00 , H10K59/12 , H10K59/88
CPC classification number: H10K59/131 , H10K50/844 , H10K71/00 , H10K59/1201 , H10K59/88
Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a base substrate, a first insulation layer, a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer, and a first filling layer. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode. The first filling layer is located between the connecting electrode pattern and the first electrode pattern. The first filling layer and the light-emitting functional layer are different layers; a portion of the first insulation layer that is located between the first electrode pattern and the connecting electrode pattern has a groove, and the first filling layer is at least partially located in the groove.
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公开(公告)号：US11963406B2
公开(公告)日：2024-04-16
申请号：US17259254
申请日：2020-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiao Bai , Shengji Yang , Kuanta Huang , Pengcheng Lu
IPC: H10K59/131 , H05K1/18 , H10K50/87
CPC classification number: H10K59/131 , H05K1/189 , H10K50/87
Abstract: A display includes a circuit board structure including a first circuit board and a second circuit board. The first circuit board has a carrying region and an electrical connection region on which a first pad is disposed. The second circuit board has a first region and a second region, the first region is arranged on the electrical connection region and is electrically connected to the first pad, and the second region is electrically connected to the driving terminal. The rigidity of the second circuit board is less than that of the first circuit board. The display substrate is in the carrying region and includes a silicon substrate in which a driving circuit is partially embedded, and a second pad electrically connected to the driving circuit. The driving circuit includes a transistor having a semiconductor layer which is inside the silicon substrate. The second pad is electrically connected to the first pad.
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公开(公告)号：US11950486B2
公开(公告)日：2024-04-02
申请号：US16965534
申请日：2019-08-27
Applicant: BOE Technology Group Co., Ltd.
Inventor： Chao Pu , Shengji Yang , Kuanta Huang , Pengcheng Lu , Xiaochuan Chen
CPC classification number: H10K59/8722 , H10K59/1201 , H10K59/38 , H10K59/873
Abstract: A display device, an electronic apparatus and a method for manufacturing the display device are disclosed. The display device includes an array substrate and a first thin film encapsulation layer disposed on the array substrate. The array substrate is a silicon based organic light-emitting diode array substrate, and the array substrate includes a silicon substrate and a light-emitting device disposed on the silicon substrate; a second thin film encapsulation layer disposed between the light-emitting device and the first thin film encapsulation layer; and a color filter layer disposed between the first thin film encapsulation layer and the second thin film encapsulation layer, at each edge of the first thin film encapsulation layer, an orthographic projection of the array substrate on a plane parallel to the array substrate extends beyond an orthographic projection of the first thin film encapsulation layer on the plane.
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公开(公告)号：US11749691B2
公开(公告)日：2023-09-05
申请号：US17847877
申请日：2022-06-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Kui Zhang , Pengcheng Lu , Li Liu , Yunlong Li , Dacheng Zhang
IPC: H01L27/12
CPC classification number: H01L27/1244 , H01L27/1259
Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.
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公开(公告)号：US11600224B2
公开(公告)日：2023-03-07
申请号：US17260254
申请日：2020-03-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Xiao Bai , Shengji Yang , Pengcheng Lu
Abstract: The present disclosure relates to the field of display technology, and proposes a gate driving circuit and a driving method thereof, and a display panel. The gate driving circuit includes a plurality of cascaded shift register units and switch unit groups. Each of the shift register units and at least one row of pixel units are correspondingly arranged; and switch unit group are arranged between at least a part of adjacent two shift register units. The switch unit group includes a first switch unit and a second switch unit. The first switch unit is used to turn on the output terminal of the shift register unit of the previous stage and the input terminal of the shift register unit of the adjacent next stage in response to a control signal; and the second switch unit is used to turn on the output terminal of the shift register unit of the previous stage and the output terminal of the shift register unit of the adjacent next stage in response to a control signal, wherein the first switch unit and the second switch unit are turned on selectively during a driving period.
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