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公开(公告)号：US09886929B2
公开(公告)日：2018-02-06
申请号：US14785852
申请日：2015-08-21
Inventor： Zhi Xiong
CPC classification number: G09G3/3685 , G09G3/18 , G09G3/3611 , G09G5/008 , G09G5/18 , G09G2310/08 , G09G2320/00 , G09G2370/08
Abstract: A timing control chip includes a pulse signal generation module for generating first and second pulse signals, a data signal sending module having a data signal including valid and invalid data segments, and a synthesis module for synthesizing the first and second pulse signals into the invalid data segment to form a synthesized data signal and then transfer it to the data signal sending module. The data signal sending module is to connect a data driver chip to make the data driver chip decompose the synthesized data signal into the first and the second pulse signal, grab a state of the second pulse signal when the first pulse signal is at a first edge and control a polarity of an outputted driving voltage according to the grabbed state of the second pulse signal. The invention further provides a data driver chip and a driving circuit.
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公开(公告)号：US10147372B2
公开(公告)日：2018-12-04
申请号：US14759907
申请日：2015-06-05
Inventor： Jingjing Wu , Zhi Xiong
Abstract: The present disclosure relates to a driving circuit and a driving method of liquid crystal panels. The driving circuit includes a timing control chip receiving video signals and analyzing frame turn-on signals and column data voltage signals corresponding to a needed grayscale, calculating a pre-charge time period needed for the subpixels to be displayed in a real-time manner and obtaining pre-charge control signals in accordance with the pre-charge time period. The driving circuit also includes a scanning driving circuit receiving the frame turn-on signals and generating the row-scanning-driving voltage signals, overlapping the pre-charge control signals and the row-scanning-driving voltage signals to obtain the row-scanning-driving signals, and transforming the row-scanning-driving signals into row-scanning-driving voltage, then transmitting the row-scanning-driving voltage to a corresponding scanning line. In this way, the power consumption and the temperature of the driving circuit are reduced, and the sharpness of the display images is enhanced.
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公开(公告)号：US09886923B2
公开(公告)日：2018-02-06
申请号：US14888750
申请日：2015-08-21
Inventor： Jingjing Wu , Zhi Xiong
IPC: G09G3/36 , G02F1/1345 , G02F1/1368
CPC classification number: G09G3/3648 , G02F1/13454 , G02F1/1368 , G09G3/3688 , G09G2300/0408 , G09G2310/0291 , G09G2310/061 , G09G2310/08 , G09G2330/021 , G09G2330/023
Abstract: The present disclosure discloses a driving circuit for a source driving chip. In the driving circuit for a source driving chip, an output terminal of the blanking timer is connected to a control terminal of the switching unit; an input terminal of the switching unit is connected to a power supply source; an output terminal of the switching unit is connected to a supply terminal of the buffer amplifier. The blanking timer is used to generate a control signal; wherein, the control signal is a first voltage level during a row blanking interval or a frame blanking interval; the control signal is a second voltage level during the row non-blanking interval or the frame non-blanking interval. The driving circuit for a source driving chip of the present disclosure can effectively reduce the power consumption.
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公开(公告)号：US10417986B2
公开(公告)日：2019-09-17
申请号：US15127393
申请日：2016-07-21
Inventor： Zhi Xiong
IPC: G09G3/36
Abstract: A data driving system of a liquid crystal display panel includes a timing control chip; a plurality of data driving chips; a plurality of first signal lines, which is used to transmit a predetermined data signal from the timing control chip to the plurality of data driving chips, each first signal line being provided between the timing control chip and one of the plurality of data driving chips in order to transmit the predetermined data signal from the timing control chip to the plurality of data driving chips; and a plurality of first transmission gates, each of which is provided on one of the plurality of first signal lines. The data driving system can significantly improve the quality of the received signal of the data driving chip, and can effectively avoid the error of the received signal.
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Patent Agency Ranking
公开(公告)号：US10168559B2
公开(公告)日：2019-01-01
申请号：US15103886
申请日：2016-05-24
Inventor： Zhi Xiong
Abstract: The present invention provides an LCD detecting system including timing control (TCON) IC. The TCON IC includes a process unit to receive lock signal, a detecting control unit connected with the process unit, and a point-to-point transmission unit connected with the detecting control unit. The detecting control unit detects mode of the point-to-point transmission unit and sends a control signal to the process unit based on a detecting result. The TCON IC transmits timing control signal based on the control signal received by the process unit and starts to transmit normal RGB data. Priority of the control signal transmitted by the detecting control unit is higher than that of the lock signal. The present invention also provides an LCD detecting method. The present invention can increase the speed of detecting and time to market, enhance competitiveness, increase the speed of manufacturing analysis, saves working time and productivity, and reduces cost.
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公开(公告)号：US09799300B2
公开(公告)日：2017-10-24
申请号：US14787560
申请日：2015-08-10
Inventor： Zhi Xiong
IPC: G09G3/36
CPC classification number: G09G3/3696 , G09G3/3677 , G09G2300/0408 , G09G2300/043 , G09G2320/041 , G09G2320/0646 , G09G2320/0666 , G09G2330/00
Abstract: A voltage compensating circuit and a method thereof are disclosed. The circuit includes a first TFT circuit, a controlling circuit and a scan driving chip. An output terminal of the power management chip of the controlling circuit connects to a first terminal of the third resistor, a second terminal of the third resistor connects to a first terminal of the first resistor, the second terminal of the third resistor connects to a feedback terminal of the chip, the feedback terminal of the chip connects to a first terminal of the second resistor, a second terminal of the second resistor connects to a ground, a second terminal of the first resistor connects to an input terminal of the scan driving chip. A source of the first TFT connects to a first input terminal of the chip, a second input terminal of the chip connects to the first gate driving signal.
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公开(公告)号：US10147380B2
公开(公告)日：2018-12-04
申请号：US14770140
申请日：2015-07-17
Inventor： Jingjing Wu , Zhi Xiong
Abstract: A source driving module includes: n data input channels, receiving n data signals from the timing controller; n level shifters, coupled to the n data input channels; n digital to analog converters, coupled to the n level shifters; N switches, divided into N n switch groups, each switch group coupled to the n digital to analog converters; N buffers, divided into N n buffer groups, each buffer group coupled to one of the N n switch groups; a frequency divider, for converting clock signal into switch controlling signal to alternatively switch on the N n switch groups. During a mth period of data transmission, the n data input channels receive data signals of n pixels from the timing controller, and the data signals of n pixels is fed to a mth buffer group via a mth switch group upon receiving the switch controlling signal. The present invention also proposes an LCD panel using the source driving module.
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公开(公告)号：US10109246B2
公开(公告)日：2018-10-23
申请号：US15126646
申请日：2016-07-12
Inventor： Zhi Xiong
IPC: G09G3/36 , G02F1/133 , G09G3/3233
Abstract: A driving device of a liquid crystal display panel, including: a data driver, wherein the data driver includes a temperature detection module, and the data driver outputs a feedback signal according to the detected temperature; and a timing controller to provide a polarity control signal to the data driver, wherein the timing controller receives the feedback signal, and controls the polarity inversion manner indicated by the polarity control signal according to the received feedback signal. The driving device of the liquid crystal display panel adjusts a period of the polarity control signal provided to the data controller by the timing controller according to the feedback signal transmitted to the timing controller by the data driver, so as to control the polarity inversion manner indicated by the polarity control signal, thereby improving display quality of the liquid crystal display panel prominently, and reducing production cost effectively.
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公开(公告)号：US09898993B2
公开(公告)日：2018-02-20
申请号：US14907553
申请日：2015-12-28
Inventor： Jingjing Wu , Zhi Xiong
CPC classification number: G09G3/3696 , G06F13/1694 , G09G3/2092 , G09G3/36 , G09G2310/0243 , G09G2310/08 , G09G2370/08 , G09G2370/14 , H04J3/26 , H04Q9/14 , H04Q11/0428 , H04Q2213/13213
Abstract: The present disclosure provides method for controlling a message signal within a timing controller integrated circuit, the timing controller integrated circuit and a display panel. The method includes: receiving a low voltage differential signaling signal; decoding the low voltage differential signaling signal to obtain a transistor-transistor logic RGB data signal and a control signal, wherein the control signal comprises: a start signal, a horizontal synchronization and a vertical synchronization; processing the transistor-transistor logic RGB data signal to obtain an input RGB data; controlling a timing of the start signal before a timing of the input RGB data; and processing the input RGB data to obtain a mini-low voltage differential signaling data. Therefore, the technical scheme provided by the present disclosure has an advantage of the low cost.
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