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1. 发明授权

US10249252B2 Color cast compensation method 有权
公开(公告)号：US10249252B2
公开(公告)日：2019-04-02
申请号：US15303744
申请日：2016-07-19
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Xiaoyu Huang , Dongsheng Guo
IPC分类号： G09G3/36 , G02F1/1343 , G02F1/1362 , G09G5/06
摘要： The present disclosure provides a color cast compensation method, which includes: obtaining a first gray value of a first pixel electrode currently to be charged; determining a second gray value of a second pixel electrode on a previous row sharing a same data line with the first pixel electrode; and obtaining a target charging voltage of the first pixel electrode based on the first gray value and the second gray value. The present invention solves the problem of display quality affected by rough fonts, caused by jaggies appearing on a triple-gate type display panel.

2. 发明授权

US09940882B2 Source driver circuit and display device 有权
公开(公告)号：US09940882B2
公开(公告)日：2018-04-10
申请号：US14417160
申请日：2014-11-04
申请人： SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
发明人： Jiang Zhu , Yu Yeh Chen , Dongsheng Guo
IPC分类号： G09G5/10 , G09G3/36 , G06F3/038 , G09G5/00
CPC分类号： G09G3/3607 , G09G3/3696 , G09G2300/0408 , G09G2300/0426 , G09G2310/0291 , G09G2310/0297 , G09G2320/0673
摘要： In the technical field of display, a source driver circuit and a display device according to the present disclosure, which can effectively reduce the heat generating efficiency of a gamma driver circuit cooperating with the source driver circuit, lower the temperature of the gamma driver circuit, and facilitate the integration of the gamma driver circuit with other driver circuits, are provided. The source driver circuit is in connection with several pixel gray scale reference voltages from the gamma driver circuit, and comprises several operational amplifiers, the number of which equals to that of the pixel gray scale reference voltages outputted from the gamma driver circuit, and the operational amplifiers each are connected with a corresponding pixel gray scale reference voltage.

3. 发明授权

US09898994B1 Voltage generation circuit and liquid crystal television 有权
公开(公告)号：US09898994B1
公开(公告)日：2018-02-20
申请号：US15032550
申请日：2016-02-03
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Dongsheng Guo , Mingliang Wang
IPC分类号： G09G3/36
CPC分类号： G09G3/3696 , G09G3/36 , G09G3/3688 , G09G2310/08 , G09G2320/041 , G09G2330/021
摘要： The present invention provides a voltage generation circuit, comprising a control unit, a controlled unit and an output unit, and the control unit receives a trigger signal to generate a control signal having a preset delay, and the control unit is further coupled to the controlled unit to control the controlled unit to be in a first state in a duration of the preset delay and to be in a second state in a duration of a non-preset delay, and the output unit outputs a first drive voltage to the drive unit as the controlled unit is in the first state and to output a second drive voltage to the drive unit as the controlled unit is in the second state, and the first drive voltage is smaller than the second drive voltage to achieve decreasing the drive voltage to lower power consumption of the data drive chip.

4. 发明授权

US09805636B2 Drive method and drive device of liquid crystal display 有权
公开(公告)号：US09805636B2
公开(公告)日：2017-10-31
申请号：US14443641
申请日：2015-03-20
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Yu-yeh Chen , Dongsheng Guo , Jiang Zhu , Lei Sun , Li-wei Chu , Jhen-wei He
IPC分类号： G09G5/02 , G09G3/20 , G09G3/36
CPC分类号： G09G3/2003 , G09G3/2007 , G09G3/3607 , G09G3/3611 , G09G2300/0452 , G09G2310/08 , G09G2320/0242 , G09G2320/0646 , G09G2320/0666
摘要： The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; selecting one color washout compensation mode from several different color washout compensation modes according to the user selection or the display mode, and implementing color washout compensation to the image to display; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.

5. 发明授权

US09799281B2 Liquid crystal panel and driving method for the same 有权
公开(公告)号：US09799281B2
公开(公告)日：2017-10-24
申请号：US14653848
申请日：2015-05-18
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Shui-chih Lien , Yu-yeh Chen , Jiang Zhu , Lei Sun , Dongsheng Guo
IPC分类号： G09G3/36 , G09G3/20
CPC分类号： G09G3/3607 , G09G3/2003 , G09G3/3648 , G09G2300/0447 , G09G2300/0452 , G09G2320/028 , G09G2320/0673
摘要： A liquid crystal panel and a driving method are disclosed. The method includes the following steps: receiving a picture information; analyzing and obtaining an original grayscale of each color of multiple pixel units; generating a first display grayscale and a second display grayscale according to the original grayscale of each color, wherein, a display brightness corresponding to the first display grayscale is greater than a display brightness corresponding to the second display grayscale; and using the first display grayscale and the second display grayscale of each color of the multiple pixel units to drive sub-pixel units which is corresponding to the each color in two adjacent pixel units corresponding to each pixel unit to respectively perform a dark display and a bright display. Through above way, the present invention can increase the transmittance of the liquid crystal panel.

6. 发明授权

US09715847B2 Drive method and drive device of liquid crystal display 有权
公开(公告)号：US09715847B2
公开(公告)日：2017-07-25
申请号：US14443976
申请日：2015-03-20
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Yu-yeh Chen , Dongsheng Guo , Jiang Zhu , Lei Sun , Li-wei Chu , Jhen-wei He
IPC分类号： G09G5/10 , G09G3/20 , G09G3/36 , G02F1/137
CPC分类号： G09G3/2003 , G02F1/137 , G02F2203/30 , G09G3/2018 , G09G3/36 , G09G3/3611 , G09G2300/0447 , G09G2300/0452 , G09G2310/08 , G09G2320/0646 , G09G2320/0666 , G09G2340/06
摘要： The present invention provides a drive method and a drive device of a liquid crystal display, and the drive method comprises: receiving an image to display; implementing block detection to the image pixels of the image to display to determine dimensions of color blocks where the image pixels are; respectively setting block weights for the respective image pixels according to the dimensions of the color blocks; implementing the color washout compensation to the image to display according to the block weight; driving the liquid crystal panel to show the image to display after the color washout compensation. With the aforesaid arrangement, the present invention can reduce the color washout under large view angle to promote the display effect of the large view angle.

7. 发明授权

US09696570B2 VCOM generation circuit and liquid crystal display 有权
公开(公告)号：US09696570B2
公开(公告)日：2017-07-04
申请号：US14901038
申请日：2015-04-03
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Zhaolin Fang , Dongsheng Guo
IPC分类号： H03B1/00 , H03K3/00 , G02F1/133 , G05F3/16 , G02F1/1368
CPC分类号： G02F1/13306 , G02F1/133 , G02F1/1368 , G05F3/16 , G09G3/20 , G09G3/36 , G09G3/3655
摘要： Disclosed are a VCOM generation circuit and a liquid crystal display. The VCOM generation circuit has a voltage divider circuit coupled between a power source input end of the VCOM generation circuit and a ground, and a voltage output end; an operational amplifier output circuit, and one input end is coupled to the voltage output end of the voltage divider circuit, and an output end is a VCOM input end of a liquid crystal display, employed for outputting a liquid crystal drive reference voltage VCOM as the liquid crystal display functions to charge a liquid crystal layer; a delay circuit, coupled between the one input end of the operational amplifier output circuit and the ground, and employed for delaying a change rate of the VCOM as the operational amplifier output circuit outputs the VCOM.

8. 发明授权

US09275600B2 Source electrode driving module with Gamma correction and LCD panel 有权
标题翻译：源电极驱动模块，具有伽马校正和LCD面板
公开(公告)号：US09275600B2
公开(公告)日：2016-03-01
申请号：US14357214
申请日：2014-03-27
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Jiang Zhu , Dongsheng Guo
IPC分类号： G09G3/36
CPC分类号： G09G3/3696 , G09G3/3614 , G09G3/3688 , G09G2310/027 , G09G2320/0276 , G09G2320/0673
摘要： The present invention discloses a source electrode driving module for providing a data signal to an LCD unit, comprising: a Gamma correction chip and a source electrode driving chip, wherein, the Gamma correction chip comprises a P-GAMMA driving chip with three to eight output channels; the P-GAMMA driving chip is used for generating multiple control voltages providing to the source electrode driving chip; the source electrode driving chip comprises a first resistor string and a second resistor string; the multiple control voltages generated by the P-GAMMA driving chip connect into the first resistor string and the second resistor string according to turning points of a Gamma curve of the LCD unit, wherein, n is an integer, and 6≦n≦10. The present also disclose an LCD panel including the source electrode driving module described above.
摘要翻译：本发明公开了一种用于向LCD单元提供数据信号的源电极驱动模块，包括：伽马校正芯片和源电极驱动芯片，其中，伽马校正芯片包括具有三到八个输出的P-GAMMA驱动芯片渠道; P-GAMMA驱动芯片用于产生提供给源极驱动芯片的多个控制电压; 源电极驱动芯片包括第一电阻串和第二电阻串; 由P-GAMMA驱动芯片产生的多个控制电压根据LCD单元的伽马曲线的转折点连接到第一电阻串和第二电阻串中，其中n为整数，6＆nlE; n＆nlE; 10。本发明还公开了一种包括上述源电极驱动模块的LCD面板。

9. 发明申请

US20140354934A1 DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE DISPLAY DEVICE 审中-公开
标题翻译：显示装置和制造显示装置的方法
公开(公告)号：US20140354934A1
公开(公告)日：2014-12-04
申请号：US14001504
申请日：2013-06-28
申请人： SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
发明人： Xiaoyu Huang , Dongsheng Guo
IPC分类号： G02F1/1362 , G02F1/1333
CPC分类号： G02F1/13452
摘要： A display device includes a display panel, a fan out area arranged at an edge of the display panel, a plurality of gate chip on films (G-COFs) are bonded on the edge of the display panel. The plurality of G-COFs are electrically connected with each other through the transmission circuit line, and at least one part of the transmission circuit line among the G-COFs is arranged on an external circuit board of the display panel.
摘要翻译：显示装置包括显示面板，布置在显示面板的边缘处的扇出区域，多个膜片上的栅极芯片（G-COF）接合在显示面板的边缘上。多个G-COF通过传输电路线彼此电连接，并且G-COF中的传输电路线的至少一部分布置在显示面板的外部电路板上。

10. 发明授权

US09978331B2 Digital to analog conversion module, data drive circuit and liquid crystal display 有权
公开(公告)号：US09978331B2
公开(公告)日：2018-05-22
申请号：US15032571
申请日：2016-02-25
申请人： Shenzhen China Star Optoelectronics Technology Co., Ltd.
发明人： Dongsheng Guo , Mingliang Wang
IPC分类号： G09G3/36 , H03M1/66
CPC分类号： G09G3/3685 , G09G2310/027 , H03M1/66 , H03M1/76
摘要： The present invention discloses a digital to analog conversion module, a data drive circuit and a liquid crystal display, wherein the digital to analog conversion module can comprise 2N−1 sub circuits and 2N−1−1 first divider resistors, and each sub circuit comprises a second divider resistor, a first switch circuit and a second switch circuit, wherein the first switch circuit and the second switch circuit are respectively coupled to two ends of the second divider resistor; the first switch circuit comprises N first switch units coupled in series, and the second switch circuit comprises a second switch unit and at least one first switch unit coupled in series; according to a preset order, a control end of the second switch unit is coupled to a connection node of a N−1th and a Nth first switch units; an output end of the second switch unit is coupled to the first switch unit.

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