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公开(公告)号：US11238805B2
公开(公告)日：2022-02-01
申请号：US16766450
申请日：2019-11-04
Inventor： Xuehuan Feng , Yongqian Li , Can Yuan , Meng Li , Zehua Ding , Zhidong Yuan
IPC: G09G5/00 , G09G3/3266 , G09G3/3225 , G11C19/28
Abstract: 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-unit and a leakage prevention circuit; the first sub-unit includes a first input circuit and a first output circuit. The first input circuit controls a level of a first node in response to a first input signal, the first output circuit provides an output signal at an output terminal under control of the level of the first node, the leakage prevention circuit is connected to the first node and a first voltage terminal, and controls a level of a leakage prevention node under control of the level of the first node, whereby a conductive path is formed between the leakage prevention node and the first voltage terminal, and a circuit connected between the first node and the leakage prevention node is turned off.
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2.发明申请公开(公告)号：US20210408160A1
公开(公告)日：2021-12-30
申请号：US16963346
申请日：2019-09-27
Inventor： Can Yuan , Yongqian Li , Pan Xu , Zhidong Yuan , Meng Li , Xuehuan Feng , Zehua Ding
IPC: H01L27/32 , G09G3/3225
Abstract: An array substrate includes an array of a plurality of subpixels including a plurality of columns of subpixels respectively spaced apart by a plurality of inter-subpixel regions; a plurality of pixel driving circuits respectively driving light emission of the plurality of subpixels; and a plurality of detection and compensation lead lines respectively configured to respectively detect signals in the plurality of subpixels and respectively compensate signals in the plurality of subpixels. A respective one of a plurality of detection and compensation lead lines is disposed in a first inter-subpixel region between two directly adjacent columns of subpixels. The respective one of the plurality of detection and compensation lead lines is spaced apart by at least one columns of subpixels from a signal line configured to transmit an alternating current and arranged along a direction parallel to the respective one of the plurality of detection and compensation lead lines.
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公开(公告)号：US11437440B2
公开(公告)日：2022-09-06
申请号：US16963346
申请日：2019-09-27
Inventor： Can Yuan , Yongqian Li , Pan Xu , Zhidong Yuan , Meng Li , Xuehuan Feng , Zehua Ding
IPC: H01L29/08 , H01L27/32 , G09G3/3225
Abstract: An array substrate includes an array of a plurality of subpixels including a plurality of columns of subpixels respectively spaced apart by a plurality of inter-subpixel regions; a plurality of pixel driving circuits respectively driving light emission of the plurality of subpixels; and a plurality of detection and compensation lead lines respectively configured to respectively detect signals in the plurality of subpixels and respectively compensate signals in the plurality of subpixels. A respective one of a plurality of detection and compensation lead lines is disposed in a first inter-subpixel region between two directly adjacent columns of subpixels. The respective one of the plurality of detection and compensation lead lines is spaced apart by at least one columns of subpixels from a signal line configured to transmit an alternating current and arranged along a direction parallel to the respective one of the plurality of detection and compensation lead lines.
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公开(公告)号：US11094253B2
公开(公告)日：2021-08-17
申请号：US16840176
申请日：2020-04-03
Inventor： Zhidong Yuan , Taejin Kim , Yongqian Li , Lin Sun , Chao Jiao , Can Yuan , Zehua Ding , Xuehuan Feng , Meng Li
IPC: G09G3/3233
Abstract: A pixel driving circuit, array substrate, display device and method for driving the pixel driving circuit are provided, the circuit includes: a control terminal and a first terminal of a driving switch circuit are respectively coupled to a first terminal of a data input switch circuit and an anode of a light-emitting device, and two terminals of a storage capacitor are respectively coupled to the control terminal of the driving switch circuit and the anode of the light-emitting device, two terminals of an intrinsic capacitor are respectively coupled to a cathode and the anode of the light-emitting device, a first terminal and a second terminal of a reset switch circuit are respectively coupled to the anode and the cathode of the light-emitting device, a capacitance of the intrinsic capacitor is greater than or equal to a preset multiple of a capacitance of the storage capacitor.
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