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公开(公告)号：US10885862B2
公开(公告)日：2021-01-05
申请号：US16342207
申请日：2018-08-16
Inventor： Xin Zhang , Juncheng Xiao , Chao Tian , Yanqing Guan
IPC: G09G3/36
Abstract: A GOA circuit, a display panel and a display apparatus are provided. The GOA circuit includes: a forward/backward scanning control module configured to control, according to a forward scanning control signal or a backward scanning control signal, the GOA circuit to perform forward scanning or backward scanning, the level of an output signal from the forward/backward scanning control module being greater than a preset value; and, an output control module configured to control, according to a clock signal in a current level, the output of a gate driving signal in the current level.
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公开(公告)号：US10884273B1
公开(公告)日：2021-01-05
申请号：US16642029
申请日：2019-11-07
Inventor： Juncheng Xiao , Fei Ai , Yuan Yan
IPC: G02F1/133 , G02F1/1333 , G02F1/1362
Abstract: A display panel and a display device are provided, which the display panel including a display substrate, a counter substrate, and a backlight. The display substrate includes a first thin film transistor layer, a touch electrode, and a pixel definition layer. The substrate includes a second thin film transistor layer and a photosensitive component. The second thin film transistor layer has a plurality of thin film transistors. The photosensitive component is connected to an underside of the second thin film transistor layer. The photosensitive component receives a reflected light of a user's fingerprint to identify an identification of the user.
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公开(公告)号：US09997125B2
公开(公告)日：2018-06-12
申请号：US15802981
申请日：2017-11-03
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor： Juncheng Xiao , Mang Zhao
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G2300/0408 , G09G2310/0251 , G09G2310/0283 , G09G2310/0286 , G09G2310/061 , G09G2310/08 , G09G2330/04
Abstract: A GOA circuit and a liquid crystal device (LCD) are disclosed. The GOA circuit includes a plurality of GOA units and a control module. Each of the cascaded GOA units is configured for charging corresponding horizontal scanning lines within a display area when being driven by a first level clock, a second level clock, a first control clock, and a second control clock. After the horizontal scanning lines are fully charged by the GOA circuit, the control module is configured for resetting the gate driving signals to be at the first level, i.e., the invalid level, via the turn-on pulse signals and the negative-voltage constant-voltage source.
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公开(公告)号：US09959832B2
公开(公告)日：2018-05-01
申请号：US15802951
申请日：2017-11-03
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor： Juncheng Xiao , Mang Zhao
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G2300/0408 , G09G2310/0251 , G09G2310/0283 , G09G2310/0286 , G09G2310/061 , G09G2310/08 , G09G2330/04
Abstract: A GOA circuit and a liquid crystal device (LCD) are disclosed. The GOA circuit includes a plurality of GOA units and a control module. Each of the cascaded GOA units is configured for charging corresponding horizontal scanning lines within a display area when being driven by a first level clock, a second level clock, a first control clock, and a second control clock. After the horizontal scanning lines are fully charged by the GOA circuit, the control module is configured for resetting the gate driving signals to be at the first level, i.e., the invalid level, via the turn-on pulse signals and the negative-voltage constant-voltage source.
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公开(公告)号：US09953606B2
公开(公告)日：2018-04-24
申请号：US15802924
申请日：2017-11-03
Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor： Juncheng Xiao , Mang Zhao
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G2300/0408 , G09G2310/0251 , G09G2310/0283 , G09G2310/0286 , G09G2310/061 , G09G2310/08 , G09G2330/04
Abstract: A GOA circuit and a liquid crystal device (LCD) are disclosed. The GOA circuit includes a plurality of GOA units and a control module. Each of the cascaded GOA units is configured for charging corresponding horizontal scanning lines within a display area when being driven by a first level clock, a second level clock, a first control clock, and a second control clock. After the horizontal scanning lines are fully charged by the GOA circuit, the control module is configured for resetting the gate driving signals to be at the first level, i.e., the invalid level, via the turn-on pulse signals and the negative-voltage constant-voltage source.
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Patent Agency Ranking
公开(公告)号：US09933889B2
公开(公告)日：2018-04-03
申请号：US15026595
申请日：2016-02-25
Inventor： Juncheng Xiao , Yao Yan , Shangcao Cao , Ronglei Dai
CPC classification number: G06F3/0416 , G06F3/0412 , G09G3/20 , G09G3/36 , G09G3/3659 , G09G3/3677 , G09G2300/0408 , G09G2300/0852 , G09G2300/0871 , G09G2310/021 , G09G2310/0245 , G09G2310/0281 , G09G2310/0283 , G09G2310/0286 , G09G2310/0289 , G09G2310/063 , G09G2310/08 , G09G2354/00 , G11C19/28
Abstract: Disclosed is a GOA driving circuit. In screen awakening stage, the first global control signal (Gas1) controls the twelfth thin film transistor (T12) to be activated for realizing the All Gate On function, and meanwhile controls the eleventh thin film transistor (T11) to be activated to pull down the voltage level of the second node (P(n)); in reset stage, the reset signal (Reset) controls the first thin film transistor (T1) to reset the voltage level of the second node (P(n)), and to set the duration of the single pulse of the reset signal (Reset) to be at least the sum of durations of initial pulses of the first, second clock signals; in touch scan stage, the second global control signal (Gas2) controls the thirteenth thin film transistor (T13) to be activated to make the output ends of the GOA units of the respective stages output composite signals (CS).
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公开(公告)号：US09928793B2
公开(公告)日：2018-03-27
申请号：US14785043
申请日：2015-08-10
Inventor： Mang Zhao , Juncheng Xiao , Yong Tian
IPC: G09G3/36
CPC classification number: G09G3/3677 , G09G3/3266 , G09G3/3696 , G09G2300/043 , G09G2310/0267 , G09G2310/0286
Abstract: The present invention provides a scanning driving circuit for executing a driving operation to cascaded scanning lines, the scanning driving circuit includes a pull-down control module, a pull-down module, a reset module, a down link module, a first bootstrap capacitor, a constant low voltage level source, and a constant high voltage level source; wherein a cascading manner of the clock signal is determined according to a scanning order of the scanning driving circuit, for the reset module to pull up the corresponding scanning signal of the scanning line. The structure of the scanning driving circuit of the present invention is simple and highly dependable.
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公开(公告)号：US20180047751A1
公开(公告)日：2018-02-15
申请号：US15026594
申请日：2016-02-26
Inventor： Juncheng Xiao , Shangcao Cao , Ronglei Dai , Yao Yan
IPC: H01L27/12 , G02F1/1345 , G02F1/1362 , G09G3/36
CPC classification number: H01L27/124 , G02F1/13454 , G02F1/136286 , G09G3/3648 , G09G3/3659 , G09G3/3677 , G09G2300/0408 , G09G2310/0283 , G09G2310/0286 , G11C19/28 , H01L27/1222 , H01L27/1255
Abstract: Disclosed is a GOA circuit. By locating the thirteenth thin film transistor (T13) coupled with the tenth thin film transistor (T10) in series and controlled by the Mth clock signal (CK(M)) in the output module (400) of the nth stage GOA unit, as entering signal interrupt and performing touch scan, the output competition of the output ends (G(n)) can be prevented; by locating the twelfth thin film transistor (T12) controlled by the global control signal (Gas) in the output end pull-down module (600), and by setting the composite signal (CS) to be the pulse signal consistent with the touch scan signal as entering signal interrupt and performing touch scan, the twelfth thin film transistors (T12) of the GOA units of all stages can be activated, and the output ends of the GOA units of all stages outputs the composite signal (CS) consistent with the touch scan signal (TP).
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公开(公告)号：US09858874B2
公开(公告)日：2018-01-02
申请号：US14783863
申请日：2015-08-27
Inventor： Juncheng Xiao , Mang Zhao
CPC classification number: G09G3/3614 , G09G3/20 , G09G3/30 , G09G3/36 , G09G3/3677 , G09G2310/0232 , G09G2310/0267 , G09G2310/0286 , G09G2330/021 , G11C19/28
Abstract: A scan driving circuit is provided for driving scan line in cascade, including a pull-down controlling module, a pull-down module, a reset-controlling module, a resetting module, a downward-transferring module, a first bootstrap capacitor, a constant low voltage level source, and a constant high voltage level source. By disposing the resetting module, the scan driving circuit of the present invention raises the reliability of the scan driving circuit and simplifies the entire structure of the scan driving circuit.
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公开(公告)号：US09805680B2
公开(公告)日：2017-10-31
申请号：US14785907
申请日：2015-09-21
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor： Juncheng Xiao , Ronglei Dai , Yao Yan , Shangcao Cao
IPC: G09G3/36
CPC classification number: G09G3/3677 , G02F1/13454 , G09G3/3696 , G09G2300/0408 , G09G2300/0426 , G09G2300/0871 , G09G2310/08
Abstract: A liquid crystal display device and a gate driving circuit are disclosed. The gate driving circuit includes multiple-stage gate driving units and a control chip. Each stage gate driving unit includes a first pulling control unit, a first pulling unit, a second pulling control unit, a second pulling unit, a first reset unit, a second reset unit. The control chip is used for pulling a first clock signal and a first voltage reference signal to a first voltage level. Accordingly, the scanning lines driven by the gate driving circuit are all turned on in order to stably realize an All-Gate-On function.
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