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公开(公告)号：US20230115238A1
公开(公告)日：2023-04-13
申请号：US17914335
申请日：2021-10-28
发明人： Zhichong WANG
IPC分类号： G09G3/3258 , G09G3/3291
摘要： A display substrate includes: M rows of pixel circuits and M rows of scan signal lines. Each pixel circuit includes: a driving transistor connected to a first power line and a light-emitting device; a first storage sub-circuit connected to a gate electrode of the driving transistor; a second storage sub-circuit connected to the first power line and the gate electrode of the driving transistor; a gating sub-circuit connected to the first storage sub-circuit, an (m−1)th row of scan signal line, and an mth row of scan signal line, where the gating sub-circuit is configured to: provide a data voltage signal to the first storage sub-circuit, and provide a reference voltage signal to the first storage sub-circuit; and a threshold compensation sub-circuit connected to the (m−1)th row of scan signal line, and configured to perform, in response to control of connected scan signal line, threshold compensation on the driving transistor.
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公开(公告)号：US20210210018A1
公开(公告)日：2021-07-08
申请号：US16768395
申请日：2019-12-16
发明人： Zhichong WANG , Fuqiang LI , Jing FENG , Xinglong LUAN , Peng LIU
IPC分类号： G09G3/3258
摘要： A display device, a pixel compensation circuit and a driving method thereof are disclosed. The pixel compensation circuit includes: a driving transistor, an initialization circuit, a storage circuit, a first data writing circuit, a second data writing circuit, a compensation circuit and a light emitting control circuit. A first terminal of the storage circuit is coupled to the gate electrode of the drive transistor, and the first data writing circuit is configured to write a data signal to a second terminal of the storage circuit. The second data writing circuit is configured to change a potential of the second terminal of the storage circuit so that a potential of the first terminal of the storage circuit is associated with the data signal. The compensation circuit is configured to charge the first terminal of the storage circuit so that it is associated with a threshold voltage of the drive transistor.
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公开(公告)号：US20190057638A1
公开(公告)日：2019-02-21
申请号：US15768948
申请日：2017-10-17
发明人： Jiha KIM , Seung Woo HAN , Guangliang SHANG , Xing YAO , Haoliang ZHENG , Mingfu HAN , Zhichong WANG , Lijun YUAN , Yun Sik IM , Jing LV , Yinglong HUANG , Xue DONG
摘要： A shift-buffer circuit, a gate driving circuit, a display panel, a display device, and a driving method. The shift-buffer circuit includes: a shift register and a plurality of buffers connected with the shift register. The shift register includes a shift output terminal; the shift register is configured to output a shift output signal from the shift output terminal, in response to a shift clock signal; each of the buffers includes a buffer input terminal and a buffer output terminal, the buffer input terminal being connected with the shift output terminal; each of the buffers is configured to output a buffer output signal from the buffer output terminal, in response to a buffer clock signal.
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公开(公告)号：US20180261177A1
公开(公告)日：2018-09-13
申请号：US15796463
申请日：2017-10-27
发明人： Mingfu HAN , Xing YAO , Guangliang SHANG , Haoliang ZHENG , Seung-Woo HAN , Jiha KIM , Lijun YUAN , Zhichong WANG
CPC分类号： G09G3/3677 , G06F3/0412 , G06F3/0416 , G09G2310/0286 , G09G2310/0291 , G09G2310/08 , G09G2330/021 , G09G2340/0407 , G11C19/28
摘要： The present disclosure discloses a gate drive circuit, a display panel and a driving method for the gate drive circuit. The gate drive circuit includes a plurality of shift register units connected in cascade; and further includes: buffer units which are in a one-to-one correspondence with shift register units at all levels, and touch control switch units which are in a one-to-one correspondence with shift register units at even levels. Each buffer unit in the gate drive circuit can increase the holding time of the effective pulse signal output by the shift register unit at a corresponding level by one line before resetting, and the effective pulse signal output by a buffer unit at an even level under the control of a touch control unit and the effective pulse signal output by a buffer unit at an adjacent previous odd level are reset at the same time.
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公开(公告)号：US20180025695A1
公开(公告)日：2018-01-25
申请号：US15656419
申请日：2017-07-21
发明人： Mingfu HAN , Guangliang SHANG , Seungwoo HAN , Zhihe JIN , Xing YAO , Haoliang ZHENG , Lijun YUAN , Zhichong WANG
IPC分类号： G09G3/36
CPC分类号： G09G3/3677 , G09G2300/0408 , G09G2310/0286 , G09G2310/08 , G09G2330/08
摘要： The present invention discloses a gate driver on array circuit and a driving method thereof, and a display device. The gate driver on array circuit comprises a first gate driver on array sub-circuit and a second gate driver on array sub-circuit; the first gate driver on array sub-circuit is configured to drive in a first working state which is a state in which no defect occurs in the first gate driver on array sub-circuit; the second gate driver on array sub-circuit is configured to drive in a second working state which is a state in which a defect occurs in the first gate driver on array sub-circuit. The present invention improves the yield rate of the gate driver on array circuit.
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公开(公告)号：US20240144851A1
公开(公告)日：2024-05-02
申请号：US17772052
申请日：2021-05-25
发明人： Zhichong WANG
IPC分类号： G09G3/20
CPC分类号： G09G3/2092 , G09G2310/0267 , G09G2310/062 , G09G2310/08
摘要： The present disclosure provides a driving circuit, a driving method, a driving module and a display device. The driving circuit includes a light-emitting control signal generating circuit and a gate driving circuit; the gate driving circuit is configured to control the gate driving signal output terminal to output the gate driving signal under the control of the potential of the first node, a first input signal provided by the first input terminal and a reset signal provided by the reset terminal, according to a first clock signal provided by the first clock signal terminal and a first voltage signal provided by the first voltage terminal.
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公开(公告)号：US20230120765A1
公开(公告)日：2023-04-20
申请号：US17796118
申请日：2021-05-07
发明人： Zhichong WANG , Fuqiang LI , Peng LIU , Jing FENG , Xinglong LUAN
IPC分类号： G09G3/3233 , G09G3/3275
摘要： A pixel driving circuit includes a driving sub-circuit, a signal writing sub-circuit, a compensation sub-circuit, a light-emitting control sub-circuit and an initialization sub-circuit. The signal writing sub-circuit is configured to write a voltage of a data signal terminal into the driving sub-circuit as a data voltage. The light-emitting control sub-circuit is configured to, in conjunction with the driving sub-circuit, drive a light-emitting device to emit light. The initialization sub-circuit is configured to transmit the voltage from the data signal terminal to the compensation sub-circuit as a reset voltage. The compensation sub-circuit is configured to transmit the reset voltage from the initialization sub-circuit to the driving sub-circuit to reset the driving sub-circuit.
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公开(公告)号：US20220236585A1
公开(公告)日：2022-07-28
申请号：US17435312
申请日：2020-11-18
发明人： Jinye ZHU , Sen MA , Zhichong WANG , Tao HONG , Junxing YANG , Jing YU , Tianyang HAN
IPC分类号： G02B30/31 , G02F1/1343 , G02F1/133
摘要： The present disclosure provides a grating including: a first substrate including stacked first and second electrode layers each including strip-shaped electrodes with an identical width, strip-shaped electrodes in the first and second electrode layers arranged alternately; a second substrate opposite to the first substrate with a liquid crystal layer therebetween; driving modules for driving the strip-shaped electrodes to form light shading parts and light transmission parts, one light shading part and one adjacent light transmission part defining a grating unit, at least one grating unit defining a grating part, the driving modules arranged in one-to-one correspondence with the grating parts; and a control module for generating driving signals in one-to-one correspondence with the driving modules according to a distance between the human eyes and the grating, thereby changing a width of the grating unit corresponding to a crosstalk position. A 3D display device and a grating driving method are provided.
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公开(公告)号：US20220028948A1
公开(公告)日：2022-01-27
申请号：US17212009
申请日：2021-03-25
发明人： Zhichong WANG
IPC分类号： H01L27/32
摘要： The disclosure discloses an array substrate, an OLED display panel and a display device. A storage capacitor includes a first capacitor and a second capacitor which are connected in parallel, wherein the first capacitor includes a storage electrode and a first electrode, a layer where the first electrode is located is same as a layer where the grid electrode of the driving transistor is located, the second capacitor includes the storage electrode and a second electrode, a layer where the second electrode is located is same as a layer where the power supply voltage line is located, and the first electrode and the second electrode are electrically connected through a via hole penetrating through a first insulating layer and a second insulating layer.
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公开(公告)号：US20210389682A1
公开(公告)日：2021-12-16
申请号：US17199395
申请日：2021-03-11
发明人： Xinglong LUAN , Fuqiang LI , Jing FENG , Zhichong WANG , Peng LIU , Guangcai YUAN , Xue DONG
摘要： Provided is a digital exposure control method, including: performing exposure of different types of functional areas of a substrate to be exposed through one or a plurality of full-page scans, wherein scan speeds for different types of functional areas of the substrate to be exposed are different.
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