-
公开(公告)号:US10224112B2
公开(公告)日:2019-03-05
申请号:US15533042
申请日:2016-11-04
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xueguang Hao , Jianbo Xian , Xinyin Wu
IPC: G11C19/28 , G09G3/3266 , G09G3/36
Abstract: A shift register unit, a driving method thereof, a gate driver circuit and a display device are provided. The shift register unit includes a first pull-up node control unit, a second pull-up node control unit configured to enable a pull-up node to be at a first level at a pull-down maintenance stage under the control of a first clock signal, a first pull-down node control unit configured to enable a pull-down node to be at a second level at the pull-down maintenance stage under the control of the first clock signal, a second pull-down node control unit, a gate driving signal output unit configured to output a gate driving signal under the control of the pull-up and pull-down nodes, and a carry signal output unit configured to enable a carry signal output end to output a carry signal under the control of the pull-up and pull-down nodes.
-
公开(公告)号:US10158024B2
公开(公告)日:2018-12-18
申请号:US15535635
申请日:2016-08-25
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xueguang Hao , Hongfei Cheng , Yong Qiao , Xinyin Wu
IPC: H01L29/786 , G02F1/1362 , G02F1/1335 , G03F9/00 , H01L29/417 , H01L27/12
Abstract: An array substrate and a display device are provided. The array substrate includes a base substrate and a gate metal layer, an active layer and a source/drain metal layer disposed on the base substrate; the gate metal layer includes a gate line and a storage electrode line that extends in parallel to the gate line; the active layer includes a first pattern taken as a channel region of a thin-film transistor (TFT) and a second pattern at least partially overlapped with the storage electrode line in a thickness direction of the base substrate, or the source/drain metal layer includes a data line pattern and a metal layer pattern at least partially overlapped with the storage electrode line in the thickness direction of the base substrate.
-
公开(公告)号:US20180308442A1
公开(公告)日:2018-10-25
申请号:US15569310
申请日:2017-05-24
Applicant: BOE Technology Group Co., Ltd.
Inventor: Xueguang Hao , Hongfei Cheng , Xinyin Wu
IPC: G09G3/36 , H01L27/12 , G02F1/1368 , G02F1/1343 , G02F1/1335 , G09G3/20
Abstract: An array substrate, a display device and a driving method for a display device are provided. In the array substrate and the display device, one sub-pixel includes a first sub-pixel portion and a second sub-pixel portion adjacent to each other. The first sub-pixel portion and the second sub-pixel portion are connected to different gate lines and are electrically connected to the same data line, so that, in the case of progressive scanning, the first sub-pixel portion and the second sub-pixel portion are applied with different data voltages.
-
公开(公告)号:US12094409B2
公开(公告)日:2024-09-17
申请号:US18044114
申请日:2021-02-07
Inventor: Hongfei Cheng , Xueguang Hao
IPC: G09G3/3233
CPC classification number: G09G3/3233 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/08 , G09G2320/0223 , G09G2320/0233 , G09G2320/045
Abstract: Embodiments of the present disclosure provide a pixel circuitry, a drive method thereof, an array substrate and a display panel. The pixel circuitry may comprise a drive circuit, a data write circuit, an initialization circuit, a first light emission control circuit, a first storage circuit, a second storage circuit and a second light emission control circuit. The drive circuit may be coupled to a first node, a second node and a third node, and may provide a drive current to a light emitting device. The first storage circuit may store a voltage difference between the first voltage signal terminal and the second node. The second storage circuit may store a voltage difference between the first node and the second node.
-
公开(公告)号:US11997879B2
公开(公告)日:2024-05-28
申请号:US17272948
申请日:2020-07-30
Inventor: Pan Li , Xueguang Hao , Yongda Ma
IPC: H10K59/121 , H10K59/131
CPC classification number: H10K59/1213 , H10K59/1216 , H10K59/131
Abstract: An array substrate is provided. The array substrate includes a plurality of pixel drive circuits. The plurality of pixel drive circuits include a first pixel drive circuit and a second pixel drive circuit that are adjacent to each other. The first electrode plate of the first pixel drive circuit and the pixel electrode of the second pixel drive circuit are laminated in an overlapping region and isolated by the insulating layer.
-
公开(公告)号:US20240119897A1
公开(公告)日:2024-04-11
申请号:US18273239
申请日:2022-07-05
Inventor: Zhenhua Zhang , Dongfang Yang , Xilei Cao , Xueguang Hao , Lang Liu , Jingyi Feng , Changlong Yuan , Xiaoxin Li , Li Zhu
IPC: G09G3/3233 , G09G3/20
CPC classification number: G09G3/3233 , G09G3/2007 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/08 , G09G2320/0247 , G09G2320/0257 , G09G2330/021
Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.
-
公开(公告)号:US11569302B2
公开(公告)日:2023-01-31
申请号:US16908935
申请日:2020-06-23
Inventor: Fengli Ji , Hongli Wang , Xueguang Hao
IPC: H01L27/32
Abstract: A pixel arrangement structure, a display substrate and a mask group are disclosed. The pixel arrangement structure includes a plurality of pixel groups, each of the plurality of pixel groups includes one red sub-pixel, two green sub-pixels and one blue sub-pixel; the red sub-pixel and the blue sub-pixel are arranged along a first direction; the two green sub-pixels are arranged along a second direction. Four vertexes included in the red sub-pixel are located in a first virtual rhombus and are substantially coincident with four vertexes of the first virtual rhombus, respectively; four vertexes included in the blue sub-pixel are located in a second virtual rhombus and are substantially coincident with four vertexes of the second virtual rhombus, respectively; at least one of the red or the blue sub-pixel has a shape of a corresponding virtual rhombus with each side of the virtual rhombus being an inwardly concaved side.
-
公开(公告)号:US11508804B2
公开(公告)日:2022-11-22
申请号:US17181124
申请日:2021-02-22
Inventor: Liman Peng , Qi Liu , Dianjie Hou , Xueguang Hao , Jin Yang , Zihua Li , Yan Wu , Guoping Zhang , Haifeng Xu , Lei Wang , Wenxiu Li , Jianqiang Wang , Fan Yang
IPC: H01L27/32
Abstract: The present disclosure discloses an organic light emitting display device. The organic light emitting display device includes a substrate, an initializing voltage input line, a first electrode line, a thin film transistor, and an organic light emitting diode arranged on the substrate. The thin film transistor includes a first electrode, a second electrode and a control electrode, and the first electrode is coupled to the first electrode line, the initializing voltage input line is provided in the same layer and is made of the same material as one of the first electrode, the second electrode and the control electrode of the thin film transistor, and an extension direction of the initializing voltage input line is substantially the same as an extension direction of the first electrode line.
-
公开(公告)号:US11315449B2
公开(公告)日:2022-04-26
申请号:US16475373
申请日:2019-01-03
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xueguang Hao , Yong Qiao , Xinyin Wu
Abstract: A detection circuit includes: a first detection sub-circuit for outputting a first data signal to red sub-pixels under the control of a first scanning signal; a second detection sub-circuit for outputting the first data signal to green sub-pixels under the control of a second scanning signal; a third detection sub-circuit for outputting a second data signal to blue sub-pixels under the control of the second scanning signal; and a fourth detection sub-circuit for outputting the second data signal to preset sub-pixels under the control of the first scanning signal; wherein the preset sub-pixels are any one of red sub-pixels, green sub-pixels and blue sub-pixels.
-
公开(公告)号:US11295652B2
公开(公告)日:2022-04-05
申请号:US16954503
申请日:2019-11-19
Inventor: Xueguang Hao , Jianbo Xian , Yong Qiao , Xinyin Wu
IPC: G09G3/20
Abstract: A shift register unit can include a storage circuit and an output circuit respectively connected to a pull-up node, a gate electrode driving signal output terminal, and an output voltage signal input terminal, and can connect or disconnect the gate electrode driving signal output terminal and the output voltage signal input terminal under the control of electric potential of the pull-up node; the storage circuit can be respectively connected to the pull-up node and the gate electrode driving signal output terminal and can control the electric potential of the pull-up node during the gate electrode driving signal output stage, such that the output circuit can connect the gate electrode driving signal output terminal and the output voltage signal input terminal. During a gate electrode driving signal output stage, the electric potential of the pull-up node can be maintained, such that gate electrode driving signals can be outputted normally.
-
-
-
-
-
-
-
-
-