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公开(公告)号：US20170140692A1
公开(公告)日：2017-05-18
申请号：US14783728
申请日：2015-08-10
Inventor： Bin XIONG , Yingchi WANG , Gonghua ZOU
CPC classification number: G09G3/2074 , G09G3/3607 , G09G3/3611 , G09G2320/0276 , G09G2320/0626 , G09G2320/0673 , G09G2360/145 , G09G2360/16
Abstract: A method of performing gamma correction for LCD panels includes: dividing the display area of a LCD panel to form n sub-areas of the display area; dividing all grey-scale images into n sets to form n sets of grey-scale images; displaying a first chosen grey-scale image of each set of grey-scale images on the corresponding sub-area of n sub-areas concurrently; detecting the brightness of the first chosen grey-scale image with a photosensor installed on the sub-area; examining if there is grey-scale image pending for detection in the set of grey scale images; extracting a gamma curve of the LCD panel; and correcting the gamma curve of the LCD panel.
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公开(公告)号：US20210335163A1
公开(公告)日：2021-10-28
申请号：US16615952
申请日：2019-05-22
Inventor： Gonghua ZOU
Abstract: A display panel and a display device are provided. The display panel includes a driving chip and an electrostatic protection module including a plurality of adjustment units. The adjustment units correspond to at least a part of connection lines, and the electrostatic protection module is configured to adjust a current value on the connection lines when an absolute value of an actual voltage on the connection lines is greater than a preset voltage to prevent damage to the connection lines.
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Patent Agency Ranking
13.发明申请公开(公告)号：US20180197490A1
公开(公告)日：2018-07-12
申请号：US15117442
申请日：2016-07-11
Inventor： Chunpeng GUO , Gonghua ZOU
IPC: G09G3/36
CPC classification number: G09G3/3607 , G09G3/36 , G09G3/3611 , G09G2320/0233 , G09G2320/0276 , G09G2320/0673 , G09G2320/0686
Abstract: The present application discloses a method of driving a liquid crystal display apparatus and a liquid crystal display apparatus, the driving method includes: obtaining at least two Gamma values of the corresponding display areas of the liquid crystal display apparatus respectively, wherein the at least two Gamma values of the corresponding display areas respectively are not the same, and the conditions of the backlight of the at least two display areas is different; and determining the driving voltage of the pixels in the at least two display areas according to the corresponding Gamma values respectively of the at least two display areas and the gray scale values to be displayed of the at least two display areas. It can effectively improve the uneven display image problem of the liquid crystal display apparatus caused by the light emitted from the backlight, and raise the performance of the liquid crystal display apparatus.
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公开(公告)号：US20180090077A1
公开(公告)日：2018-03-29
申请号：US15100120
申请日：2016-04-01
Inventor： Gonghua ZOU , Qingcheng ZUO
CPC classification number: G09G3/3406 , G09G3/36 , G09G2320/064 , G09G2320/0646 , G09G2320/08 , G09G2360/16
Abstract: There provides a liquid crystal display apparatus and a backlight control method thereof. The liquid crystal display apparatus includes an image data acquisition part, a liquid crystal panel, a panel driving unit, a backlight module and a backlight driving unit; wherein the panel driving unit drives the liquid crystal panel and generates a backlight driving signal; the backlight driving unit includes a PWM module and a PFM module to modulate the backlight driving signal, thereby forming driving powers supplied to the backlight module; the liquid crystal display apparatus further includes a backlight modulation selection unit used to detect and calculate an average pixel brightness value A of the image data, and a reference pixel brightness value A0 is further set therein; when A≧A0, the backlight modulation selection unit selects to enable the PWM module; and when A
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公开(公告)号：US20170236465A1
公开(公告)日：2017-08-17
申请号：US14905789
申请日：2015-09-09
Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd. , Wuhan China Star Optoelectronics Technology Co., Ltd.
Inventor： Gonghua ZOU , Chang CAO , Chunpeng GUO
IPC: G09G3/20
CPC classification number: G09G3/2074 , G09G3/2003 , G09G3/2092 , G09G3/3685 , G09G2300/0452 , G09G2310/0297
Abstract: The present invention discloses a driving circuit according to RGBW and a flat panel display. In the driving circuit: control terminals of a first and second voltage-level switches and a first non-voltage-level switch are connected to a first driving line, input terminals are connected to a driving signal source, output terminals are respectively connected to input terminals of a third non-voltage-level switch, a third and fourth voltage-level switches, control terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a second driving line, output terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a first to third sub-pixels. The circuit can implement that a size occupied by the driving lines is decreased and the aperture ratio of the display is increased.
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公开(公告)号：US20170045980A1
公开(公告)日：2017-02-16
申请号：US14646831
申请日：2015-04-14
Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD. , WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Inventor： Chang CAO , Qingcheng ZUO , Gonghua ZOU
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: Disclosed are a sensing circuit and a capacitive touch panel having the sensing circuit. The capacitive touch panel has a glass substrate, first lead wires, second lead wires, third lead wires, signal input channels and signal output channels; amounts of the second, third lead wires are N, and any two of the first, the second and the third lead wires are isolated; each signal input channel is coupled to the first lead wire corresponding thereto; each third lead wire signal output channel of the signal output channels is coupled to the N/2 third lead wires, and an amount of the second lead wire signal output channels is N/2, and each second lead wire signal output channel of the signal output channels is coupled to two second lead wires. The amount of the IC channels is decreased to save the touch panel material cost with the present invention.
Abstract translation: 公开了一种具有感测电路的感测电路和电容式触摸面板。 电容式触摸屏具有玻璃基板，第一引线，第二引线，第三引线，信号输入通道和信号输出通道; 第二，第三引线的数量为N，第一，第二和第三引线中的任何两个被隔离; 每个信号输入通道耦合到对应于其的第一引线; 信号输出通道的每个第三引线信号输出通道耦合到N / 2个第三引线，并且第二引线信号输出通道的量为N / 2，并且信号的每个第二引线信号输出通道 输出通道耦合到两个第二引线。 减少IC通道的数量以节省本发明的触摸屏材料成本。
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17.发明申请LIQUID CRYSTAL DISPLAY DEVICE WITH TOUCH-SENSING FUNCTION AND CONDUCTIVE LAYER STRUCTURE THEREOF 审中-公开具有感应感应功能的液晶显示装置及其导电层结构公开(公告)号：US20170010724A1
公开(公告)日：2017-01-12
申请号：US14770932
申请日：2015-07-17
Inventor： Chang CAO , Yuzheng CAI , Gonghua ZOU
IPC: G06F3/041 , G02F1/1333 , G02F1/1343 , G06F3/044
CPC classification number: G06F3/0412 , G06F3/044
Abstract: The invention provides a liquid crystal display device with touch-sensing function and a conductive layer structure thereof. Multiple first electrode patterns of the conductive layer structure are arranged around multiple second electrode patterns; each of the multiple first electrode patterns includes a first sub-electrode pattern and a second sub-electrode pattern, a first side of the first sub-electrode pattern near the second sub-electrode pattern and a second side of the second sub-electrode pattern near the first sub-electrode pattern each are disposed with a right angle structure, and the first side and the second side are meshed with each other to thereby make the first electrode pattern and the second sub-electrode pattern together define a rectangular shape. The invention can improve the touch precision of the edge region of a self-capacitor touch panel.
Abstract translation: 本发明提供具有触摸感应功能的液晶显示装置及其导电层结构。 导电层结构的多个第一电极图案围绕多个第二电极图案布置; 多个第一电极图案中的每一个包括第一子电极图案和第二子电极图案，第二子电极图案附近的第一子电极图案的第一侧和第二子电极图案的第二侧 靠近第一子电极图案的每个都具有直角结构，并且第一侧面和第二侧面彼此啮合，从而使第一电极图案和第二子电极图案一起限定为矩形形状。 本发明可以提高自电容触摸面板的边缘区域的触摸精度。
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