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公开(公告)号：US10460688B2
公开(公告)日：2019-10-29
申请号：US15326547
申请日：2016-11-18
Inventor： Zhenzhou Xing , Chun-hung Huang
IPC: G09G3/36 , G06F3/038 , G09G5/00 , G02F1/1333 , G06F3/041 , G02F1/1362
Abstract: The liquid crystal display panel comprises: data line pairs, comprising a first data line and a second data line located side by side; scan lines, comprising a first scan line and a second scan line which are perpendicular with the data line pairs and alternatively arranged; a pixel unit array, comprising pixel units, respectively located in regions formed by arrangement of the data line pairs and the scan lines; wherein a scan drive signal received by the first and second scan lines scan the two rows of pixel units coupled to each other at the same time, and the first and second scan lines are respectively coupled to at least two pixel units in a single row of the pixel units, and drives the pixel units coupled to each data line in time division to charge the pixel units coupled to the same data line in time division.
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公开(公告)号：US10417987B2
公开(公告)日：2019-09-17
申请号：US15544002
申请日：2017-05-26
Inventor： Zhenzhou Xing , Chun-hung Huang
IPC: G09G3/36
Abstract: A data driver and display panel are disclosed. The data driver is applicable to providing image data to be displayed to a plurality of data lines. The data driver includes: a data processing unit, a driving unit, and at least two sets of data outputs. The data processing unit is configured to receive and store one frame of image data to be displayed. The driving unit is to output at least two sets of data voltages having different driving capacities according to the image data. Each of the at least two sets of data outputs includes a plurality of data outputs, and each set is connected to pixels in two areas with a different distance from the data driver. The driving unit provides the at least two sets of data voltages having different driving capabilities to the at least two sets of data outputs.
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公开(公告)号：US10276118B2
公开(公告)日：2019-04-30
申请号：US15119728
申请日：2016-07-15
Inventor： Zhenzhou Xing , Wei Chen , Chunning Qiao
IPC: G09G3/36 , G02F1/1333 , G02F1/1345 , G06F3/041 , G06F3/044
Abstract: The invention provides a driving method and driver circuit for in-cell touch display panel. The method comprises: Step 10: providing a GOA circuit, comprising a plurality of cascade GOA units; Step 20: controlling the n-th stage GOA unit to charge the n-th horizontal scan line of the touch display panel following a preset timing sequence; Step 30: dividing GOA units into first and second types of GOA units, with each first type GOA unit corresponding to a first horizontal scan line at which a next scanning starting after completing a TP scanning, and the remaining GOA units as second type GOA unit; Step 40: the size of first type GOA unit being greater than the circuit of second type GOA unit to provide a greater thrust to corresponding scan line than second type GOA unit. As such, the uneven display phenomenon of in-cell touch display panel is improved.
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公开(公告)号：US10115353B2
公开(公告)日：2018-10-30
申请号：US14915236
申请日：2016-01-14
Inventor： Zhenzhou Xing , Qingcheng Zuo , Xingling Guo
Abstract: The present invention provides a liquid crystal display device, comprising a backlight part, and the liquid crystal display device includes an image collection circuit, a gray scale judgment circuit, a PWM signal generation circuit and a LED driving circuit, and the backlight part is electrically coupled to the LED driving circuit; the image collection circuit obtains a gray scale of a target image and transmits the gray scale of the target image to the gray scale judgment circuit, and the gray scale judgment circuit compares the gray scale of the target image with a preset gray scale threshold to generate a control signal to be transmitted to the PWM signal generation circuit; the PWM signal generation circuit generates a PWM signal of which a duty ratio is zero to be transmitted to the LED driving circuit, and the LED driving circuit cuts off an input current of the backlight part.
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公开(公告)号：US10565943B2
公开(公告)日：2020-02-18
申请号：US15563238
申请日：2017-07-17
Inventor： Zhenzhou Xing , Qingcheng Zuo
IPC: G09G3/36
Abstract: The present disclosure provides a device for reducing power consumption of a liquid crystal display, which includes: a screen area acquisition module for acquiring a first screen area being viewed and a second screen area not being viewed while a viewer watches a screen of the liquid crystal display; and a dynamic backlight control module for performing a dynamic backlight control adjustment on the second screen area. The present disclosure also discloses a method for reducing power consumption of the power consumption reduction device and a liquid crystal display having device. The present disclosure realizes intelligently partitioning dynamic backlight control to the screen of the liquid crystal display and also reduces the power consumption.
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Patent Agency Ranking
公开(公告)号：US10317760B2
公开(公告)日：2019-06-11
申请号：US16113256
申请日：2018-08-27
Inventor： Chun-hung Huang , Zhenzhou Xing
IPC: G02F1/1362 , G09G3/36 , G02F1/133 , G02F1/1343
Abstract: A liquid crystal panel and a liquid crystal device (LCD) are provided. The liquid crystal panel includes a first side, a second side opposite to the first side, and a third side. The liquid crystal panel further includes at least one gate on array (GOA) circuit. The GOA circuit includes a plurality of GOA units, and each of the GOA units includes a signal buffer configured to buffer received gate driving signals and to provide the buffered gate driving signals to the corresponding gate lines. Dimensions of the signal buffer of each of the GOA units are in an increasing order in a direction from the first side toward the second side, or numbers of the signal buffers of each of the GOA units are in an increasing order in the direction from the first side toward the second side.
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公开(公告)号：US10290274B2
公开(公告)日：2019-05-14
申请号：US15323973
申请日：2016-12-01
Inventor： Zhenzhou Xing
IPC: G09G3/36 , G02F1/1362
Abstract: An array substrate proposes a gate driver, a data driver, and a driver circuit structure. The driver circuit structure includes a plurality of driver circuit units. Each of driver circuit units includes a pixel matrix, a plurality of second gate lines, a plurality of first data lines, and a plurality of demultiplexers. The conventional technical problem that the data lines and the gate lines increase when screen resolution and image resolution increase, which affects the rate of penetration and the display effect, is successfully solved.
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公开(公告)号：US20180182335A1
公开(公告)日：2018-06-28
申请号：US15119728
申请日：2016-07-15
Inventor： Zhenzhou Xing , Wei Chen , Chunning Qiao
IPC: G09G3/36 , G02F1/1345 , G02F1/1333 , G06F3/041
CPC classification number: G09G3/3677 , G02F1/13338 , G02F1/13454 , G06F3/0412 , G06F3/0416 , G06F3/044 , G09G3/3648 , G09G2310/0264 , G09G2310/0286 , G09G2310/0297 , G09G2320/0214 , G09G2320/0233
Abstract: The invention provides a driving method and driver circuit for in-cell touch display panel. The method comprises: Step 10: providing a GOA circuit, comprising a plurality of cascade GOA units; Step 20: controlling the n-th stage GOA unit to charge the n-th horizontal scan line of the touch display panel following a preset timing sequence; Step 30: dividing GOA units into first and second types of GOA units, with each first type GOA unit corresponding to a first horizontal scan line at which a next scanning starting after completing a TP scanning, and the remaining GOA units as second type GOA unit; Step 40: the size of first type GOA unit being greater than the circuit of second type GOA unit to provide a greater thrust to corresponding scan line than second type GOA unit. As such, the uneven display phenomenon of in-cell touch display panel is improved.
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公开(公告)号：US20180182317A1
公开(公告)日：2018-06-28
申请号：US15128422
申请日：2016-08-30
Inventor： Zhufeng Cui , Zhenzhou Xing
IPC: G09G3/36 , G09G3/3208
CPC classification number: G09G3/3607 , G09G3/3208 , G09G3/36 , G09G2300/0426 , G09G2300/0452 , G09G2320/0247 , G09G2330/021
Abstract: The invention discloses a driver structure for RGBW four-color panel, the RBGW four-color panel comprising a plurality of sub-pixels arrange in an array, for twelve adjacent sub-pixels connected to a same scan line n, the twelve sub-pixels comprising a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel arranged in a specific order with three repetitions, two adjacent data lines n and n+1, being connected respectively to drive the sub-pixels of the odd-rows and even-rows in the twelve sub-pixels, and the data line n and data line n+1 having opposite signal polarity. In summary, the driver structure for RGBW four-color panel of the present invention can reduce the panel power-consumption and the cost of driver IC, which enables improving flickering.
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公开(公告)号：US10002583B2
公开(公告)日：2018-06-19
申请号：US15114082
申请日：2016-04-08
Inventor： Zhenzhou Xing , Junxiao Zhang
IPC: G09G3/36
CPC classification number: G09G3/3696 , G09G3/36 , G09G2310/027 , G09G2330/021
Abstract: A display drive circuit is provided, including a line buffer, a lever converter, a D/A converter, a Gamma reference voltage generator, and a buffer. The Gamma reference voltage generator has a first duty time and second duty time. In the first duty time, the Gamma reference voltage generator outputs the Gamma voltage to the buffer to charge pixel electrodes of a display having the display drive circuit. In the second duty time, the Gamma reference voltage generator outputs a common voltage to the buffer.
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