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1.发明授权公开(公告)号：US10902931B2
公开(公告)日：2021-01-26
申请号：US16556485
申请日：2019-08-30
发明人： Mingfu Han
IPC分类号： G09G3/36 , G06F3/038 , G09G5/00 , G11C19/28 , G09G3/3266
摘要： The present disclosure provides a shift register unit and a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit includes: a first input sub-circuit configured to transmit a signal at a first signal input terminal to a pull-up node under control of the first signal input terminal; a second input sub-circuit configured to transmit the signal at the first signal input terminal to the pull-up node under control of a second signal input terminal; a first output sub-circuit configured to transmit a signal at a first clock signal terminal to a first signal output terminal under control of the pull-up node; and a second output sub-circuit configured to transmit a signal at a second clock signal terminal to a second signal output terminal under control of the pull-up node.
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2.发明授权公开(公告)号：US10811114B2
公开(公告)日：2020-10-20
申请号：US16138878
申请日：2018-09-21
发明人： Lijun Yuan , Mingfu Han , Seung Woo Han , Xing Yao , Zhichong Wang , Guangliang Shang , Haoliang Zheng
IPC分类号： G11C19/00 , G11C19/28 , G09G3/3258 , G09G3/36
摘要： Embodiments of the present application provide a shift register unit, a method for driving the same, a gate driving circuit, and a display apparatus. The shift register unit comprises at least two sub-circuits of a first output sub-circuit, a second output sub-circuit, and a third output sub-circuit. The first output sub-circuit is configured to output a voltage at a signal output terminal to a reset signal output terminal; the second output sub-circuit is configured to output the voltage at the signal output terminal to a gating signal output terminal; and the third output sub-circuit is configured to output a voltage at a second voltage terminal to a light-emitting control signal output terminal or is configured to output a voltage at a first voltage terminal to the light-emitting control signal output terminal.
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公开(公告)号：US10204695B2
公开(公告)日：2019-02-12
申请号：US15520191
申请日：2016-11-04
发明人： Guangliang Shang , Seungwoo Han , Mingfu Han , Haoliang Zheng , Xing Yao , Hyunsic Choi
摘要： The present application discloses a control circuit for controlling a noise reduction thin film transistor in a shift register unit. The control circuit includes a timer for initiating a timing process when the shift register is turned on, to obtain an operating time of the shift register; a threshold voltage calculator coupled to the timer for calculating a present threshold voltage based on the operating time, a gate voltage of the noise reduction thin film transistor, and an initial threshold voltage of the noise reduction thin film transistor; and a gate voltage controller coupled to the threshold voltage calculator for adjusting the gate voltage of the noise reduction thin film transistor during the noise reduction phase, to control the noise reduction thin film transistor in an ON state during the noise reduction phase.
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公开(公告)号：US10192504B2
公开(公告)日：2019-01-29
申请号：US15501265
申请日：2016-07-01
发明人： Mingfu Han , Seungwoo Han , Guangliang Shang , Hyunsic Choi , Xing Yao , Haoliang Zheng , Xue Dong , Jungmok Jun , Yunsik Im
摘要： The present disclosure provides a shift register, including: an input unit, an output control unit, a first pull-down unit, a second pull-down unit, a reset unit, and a pull-down control unit. The input unit comprises a control terminal connected to a signal input terminal, a first terminal connected to a first voltage terminal, and a second terminal connected to a first node. The output control unit comprises a control terminal connected to the first node, a first terminal connected to a first clock signal terminal, and a second terminal connected to a signal output terminal. The first pull-down unit comprises a control terminal connected to a second node, a first terminal connected to the first node, and a second terminal connected to a compensation signal terminal. The second pull-down unit comprises a control terminal connected to the compensation signal terminal, and a first terminal connected to the second node.
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公开(公告)号：US10115335B2
公开(公告)日：2018-10-30
申请号：US15502983
申请日：2016-05-19
发明人： Haoliang Zheng , Seungwoo Han , Guangliang Shang , Hyunsic Choi , Mingfu Han , Xing Yao , Zhichong Wang , Lijun Yuan
摘要： The present disclosure relates to a shift register unit and driving method thereof, a gate driving circuit and a display device. The shift register unit comprises: an input module for controlling a level of a first node based on a scan pulse, an output module for controlling a scan pulse output based on the level of the first node, a reset module for resetting the first node and the scan pulse output, and a control module for generating a reset trigger signal, wherein the reset module further resets the first node based on the reset trigger signal. The shift register units can be cascaded to form a gate driving circuit to realize output of multiple scan pulses. By integrating such a gate driving circuit on the array substrate, area of the bezel region of the array substrate can be reduced, thereby facilitating bezel narrowing of a display device. At the same time, due to presence of the control module, the reset module is enabled to reset the first node more stably while normal output of the scan pulse is maintained.
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公开(公告)号：US20170213497A1
公开(公告)日：2017-07-27
申请号：US15326370
申请日：2015-12-14
发明人： Guangliang Shang , Seung Woo Han , Mingfu Han , Haoliang Zheng , Yanfeng Wang
IPC分类号： G09G3/20
CPC分类号： G09G3/2092 , G09G3/20 , G09G2300/0408 , G09G2300/08 , G09G2310/0248 , G09G2310/0267 , G09G2310/08 , G09G2330/021
摘要： The present disclosure discloses a GOA unit driving circuit and a driving method thereof, a display panel and a display device. The disclosure relates to field of display technology, and solves the technical issue of increased power consumption of the display device due to the power consumption of the parasitic capacitance existing in the transistors in the GOA unit. The GOA unit driving circuit comprises a plurality of sets of GOA units, each of which includes at least one GOA unit; a plurality of clock selecting units, which are in one-to-one correspondence with the plurality of sets of GOA units, and each clock selecting unit is connected to a corresponding set of GOA units and connected to one of a plurality of clock signal terminals and at least one of a plurality of clock selection signal terminals, respectively. An intersection of any two sets of GOA units in the plurality of sets of GOA unit is an empty set, and each clock selecting unit transmits a signal of the clock signal terminal to which the clock selecting unit is connected to the corresponding set of GOA units, under control of a signal of the at least one clock selection signal terminal to which the clock selecting unit is connected. The GOA unit driving circuit provided by the present disclosure may be applied to a display device.
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公开(公告)号：US11263951B2
公开(公告)日：2022-03-01
申请号：US16336546
申请日：2018-08-14
发明人： Zhichong Wang , Haoliang Zheng , Seungwoo Han , Guangliang Shang , Lijun Yuan , Xing Yao , Mingfu Han
摘要： Disclosed is a shift register unit, including a first input circuit, an input control circuit, a pull-down control circuit, a pull-down circuit, an output circuit and a second input circuit. The first input circuit includes a first input sub-circuit, and is configured to, under control of the first signal input terminal, cause a voltage of the first voltage terminal to be output to a second terminal of the first input sub-circuit and output to the pull-up node via a first terminal thereof. The input control circuit is configured to pull down a potential of the second terminal to the potential of a first power supply voltage terminal under control of an enable signal terminal.
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8.发明授权公开(公告)号：US11250750B2
公开(公告)日：2022-02-15
申请号：US16126032
申请日：2018-09-10
发明人： Zhichong Wang , Haoliang Zheng , Seungwoo Han , Guangliang Shang , Mingfu Han , Lijun Yuan , Xing Yao
摘要： A shift register circuit, a driving method thereof, a gate drive circuit and a display device are provided. The shift register circuit includes an input sub-circuit, an output sub-circuit, a discharge sub-circuit and a noise reduction sub-circuit. The input sub-circuit is connected to an input signal terminal, a first power source terminal and a pull-down node, and configured to, under the control of an input signal, output a first power source terminal signal to the pull-down node. In the shift register circuit, the discharge sub-circuit may control the potential of the pull-down node to be an ineffective potential at the input stage, thereby preventing the noise reduction sub-circuit from affecting the potentials of the pull-up node and the output terminal under the control of the pull-down node, and ensuring normal output of the shift register circuit.
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公开(公告)号：US11176909B2
公开(公告)日：2021-11-16
申请号：US16633026
申请日：2019-05-28
发明人： Xing Yao , Mingfu Han , Guangliang Shang , Hao Zhu , Yifang Chu , Yunsik Im
摘要： The present disclosure provides a compensation method, compensation device, and a display device. The compensation method includes: adjusting charging time for multiple areas of the display screen so that the charging time for each area is positively related to a distance from the area to a data voltage input terminal; comparing a first grayscale value before compensation of a sub-pixel in an i-th row and j-th column with a second grayscale value input to a sub-pixel in an (i−1)-th row and j-th column; searching a corresponding grayscale compensation parameter from a grayscale compensation parameter table according to the first grayscale value and the second grayscale value; compensating the first grayscale value by the grayscale compensation parameter to obtain a third grayscale value; and inputting the third grayscale value to the sub-pixel in the i-th row and j-th column for display.
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公开(公告)号：US11069274B2
公开(公告)日：2021-07-20
申请号：US16497199
申请日：2019-04-12
发明人： Zhichong Wang , Seungwoo Han , Guangliang Shang , Haoliang Zheng , Lijun Yuan , Xing Yao , Mingfu Han
摘要： The embodiments of the present application provide a shift register unit and a method for driving the same, a gate driving circuit, and a display apparatus. Here, the shift register unit includes a first controlling sub-circuit, a first voltage dividing sub-circuit, a charging and discharging sub-circuit, and an outputting sub-circuit. Here, an output signal of the outputting sub-circuit is controlled by the charging and discharging sub-circuit. A first input signal and a second input signal input at a first input signal terminal Forward and a second input signal terminal Backward electrically coupled to the charging and discharging sub-circuit are pulse signals.
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