Liquid crystal display and method of driving the same

    公开(公告)号:US20090303225A1

    公开(公告)日:2009-12-10

    申请号:US12461381

    申请日:2009-08-10

    CPC classification number: G09G3/3688 G09G3/20 G09G2300/0426 G09G2310/027

    Abstract: A liquid crystal display (LCD) device and a driving method thereof for improving a working efficiency of the LCD and reducing manufacturing costs. The liquid crystal display device includes a liquid crystal display panel having liquid crystal cells at crossings of data lines and gate lines, data integrated circuit supplying pixel data via a plurality of data output channels, a gate integrated circuit driving the gate lines, a channel selector for selecting the plurality of data output channels of the data integrated circuits in accordance with a number of the data lines wherein only the selected data output channels contain the pixel data, and a timing controller for controlling the data integrated circuit and the gate integrated circuit.

    Data transmission apparatus and method

    公开(公告)号:USRE40864E1

    公开(公告)日:2009-07-28

    申请号:US10747819

    申请日:2003-12-30

    CPC classification number: H04L25/4915

    Abstract: A data transmission apparatus a data transmitter selectively inverting data and transmitting the selectively inverted data. A data receiver selectively re-inverts the selectively inverted data from the data transmitter and reconstructs the inverted data into the original data. The inversion operation of the data transmitter and the data receiver is controlled by a mode controller. The mode controller receives data having a number of bits along with a clock signal to detect a number of transitions every period of the clock signal, and controls driving modes of the data transmitter and the data receiver in accordance with the detected number of transitions.

    Apparatus and method of driving liquid crystal display device
    13.
    发明授权
    Apparatus and method of driving liquid crystal display device 有权
    驱动液晶显示装置的装置及方法

    公开(公告)号:US07557792B2

    公开(公告)日:2009-07-07

    申请号:US10876642

    申请日:2004-06-28

    Applicant: Jin Cheol Hong

    Inventor: Jin Cheol Hong

    CPC classification number: G09G3/3688 G09G3/2092

    Abstract: The present invention relates to a method and an apparatus for driving liquid crystal display device capable of reducing electromagnetic interference by minimizing the number of transitions of data.An apparatus for driving a liquid crystal display device according to the present includes: a timing controller receiving data from an exterior; an encoding block in the timing controller comparing current pixel data with each of previous pixel data delayed by one line from the current pixel and former pixel data that precedes by one pixel from the current pixel data to produce modified data so as to minimize the number of transitions for each bit; a data driver supplying a video signal to data lines; and a decoding block in the data river recovering the modified data to the current pixel data.

    Abstract translation: 本发明涉及一种用于驱动液晶显示装置的方法和装置,其能够通过最小化数据的转换次数来减少电磁干扰。 根据本发明的用于驱动液晶显示装置的装置包括:定时控制器,其从外部接收数据; 定时控制器中的编码块将当前像素数据与从当前像素延迟一行的先前像素数据和从当前像素数据前面一个像素的先前像素数据进行比较,以产生修改后的数据, 每个位的转换; 提供视频信号到数据线的数据驱动器; 以及数据河中的解码块,将修改的数据恢复到当前像素数据。

    Liquid crystal display device
    14.
    发明申请
    Liquid crystal display device 有权
    液晶显示装置

    公开(公告)号:US20090167972A1

    公开(公告)日:2009-07-02

    申请号:US12379545

    申请日:2009-02-24

    Applicant: Jin Cheol Hong

    Inventor: Jin Cheol Hong

    CPC classification number: G09G3/3614 G02F1/1362 G09G3/3659 G09G2320/0209

    Abstract: A liquid crystal display device for eliminating a vertical dimming phenomenon to improve a picture quality of a liquid crystal display panel is disclosed. In the device, first and second data lines are supplied with data. A first pixel electrode is spaced at a desired distance from the first data line. A second pixel electrode is spaced, by a distance different from said distance between the first data line and the first pixel electrode, from the second data line.

    Abstract translation: 公开了一种用于消除垂直调光现象以提高液晶显示面板的画面质量的液晶显示装置。 在设备中,向第一和第二数据线提供数据。 第一像素电极与第一数据线间隔开所需的距离。 第二像素电极与第二数据线间隔开与第一数据线和第一像素电极之间的距离不同的距离。

    Apparatus and method for data interface of flat panel display device
    15.
    发明申请
    Apparatus and method for data interface of flat panel display device 有权
    平板显示设备数据接口的装置及方法

    公开(公告)号:US20090167750A1

    公开(公告)日:2009-07-02

    申请号:US12318024

    申请日:2008-12-19

    Abstract: An apparatus and method for data interface of a flat panel display device, which is capable of transferring clocks in a state, in which the clocks are embedded in digital data, thereby reducing the number of transfer lines, is disclosed. The apparatus includes a transmitter unit built in a timing controller, to transmit transfer data with an embedding clock embedded between successive pieces of data, and a clock enable signal to indicate the embedding clock, and receiver units respectively built in a plurality of data integrated circuits connected to the timing controller, to separate and detect the embedding clock and the data from the transfer data, in response to the clock enable signal.

    Abstract translation: 公开了一种平板显示装置的数据接口的装置和方法,该装置和方法能够将时钟嵌入在数字数据中的状态下传送时钟,从而减少传输线的数量。 该装置包括内置在定时控制器中的发射机单元,用嵌入在连续的数据段之间的嵌入时钟来发送传输数据,以及用于指示嵌入时钟的时钟使能信号,以及分别构建在多个数据集成电路中的接收机单元 连接到定时控制器,以响应于时钟使能信号来分离和检测嵌入时钟和来自传输数据的数据。

    Liquid crystal display device
    16.
    发明授权
    Liquid crystal display device 有权
    液晶显示装置

    公开(公告)号:US07492343B2

    公开(公告)日:2009-02-17

    申请号:US10964780

    申请日:2004-10-15

    Abstract: A liquid crystal display device for improving working efficiency and reducing manufacturing cost. In the device, a data integrated circuit has a data output group for supplying pixel data to data lines and a dummy data output channel group which is not supplied with pixel data. A channel selector selects an output channel of the data output channel group. A tape carrier package is mounted with the data integrated circuit and has a data output pad group connected to the data output channel group and a dummy output pad group. The pixel data is applied, via the data output channels selected by the channel selector, to the data lines.

    Abstract translation: 一种用于提高工作效率并降低制造成本的液晶显示装置。 在该装置中,数据集成电路具有用于向数据线提供像素数据的数据输出组和未提供像素数据的虚拟数据输出通道组。 通道选择器选择数据输出通道组的输出通道。 载带封装装有数据集成电路,并具有与数据输出通道组连接的数据输出焊盘组和虚拟输出焊盘组。 经由通道选择器选择的数据输出通道将像素数据应用于数据线。

    Liquid crystal display and driving method thereof
    17.
    发明申请
    Liquid crystal display and driving method thereof 有权
    液晶显示及其驱动方法

    公开(公告)号:US20080129904A1

    公开(公告)日:2008-06-05

    申请号:US11895744

    申请日:2007-08-27

    CPC classification number: G09G3/3648 G09G3/3614 G09G3/3688 G09G2310/02

    Abstract: A liquid crystal display for changing a supply sequence of a scanning pulse with which a plurality of gate lines are supplied to realize a one dot inversion, and a driving method thereof are disclosed.In the liquid crystal display, a liquid crystal display panel has a plurality of data lines and a plurality of gate lines, which are crossed each other, and pixels, which are defined by the lines. A gate driver supplies scanning pulses to the gate lines, and changes a supply sequence of the scanning pulses for each frame. A data driver converts digital video data into data voltages and periodically inverts a polarity of the data voltages to supply the data voltages in accordance with a supply sequence of the scanning pulses. And a timing controller supplies the digital video data to the data driver, and controls the data driver and the gate driver, and wherein a polarity of data voltages, which are supplied to the liquid crystal display panel, is inverted for each liquid crystal cell and a polarity of a data voltage which is outputted from the data driver, is inverted for every two to four horizontal periods.

    Abstract translation: 公开了一种用于改变提供多条栅极线以提供一个点反转的扫描脉冲的供应顺序的液晶显示器及其驱动方法。 在液晶显示器中,液晶显示面板具有彼此交叉的多条数据线和多条栅极线以及由线限定的像素。 栅极驱动器向栅极线提供扫描脉冲,并且改变每个帧的扫描脉冲的供应序列。 数据驱动器将数字视频数据转换为数据电压,并周期性地反转数据电压的极性,以根据扫描脉冲的供应顺序提供数据电压。 并且,时序控制器将数字视频数据提供给数据驱动器,并且控制数据驱动器和栅极驱动器,并且其中提供给液晶显示面板的数据电压的极性针对每个液晶单元反转,并且 从数据驱动器输出的数据电压的极性每两到四个水平周期反转。

    Apparatus and method for driving liquid crystal display device
    18.
    发明授权
    Apparatus and method for driving liquid crystal display device 有权
    用于驱动液晶显示装置的装置和方法

    公开(公告)号:US07382345B2

    公开(公告)日:2008-06-03

    申请号:US11000193

    申请日:2004-12-01

    Applicant: Jin Cheol Hong

    Inventor: Jin Cheol Hong

    Abstract: A driving apparatus for a liquid crystal display device having a plurality of data lines includes a data integrated circuit, a timing controller connected to the data integrated circuit, an encoder provided at the timing controller, the encoder determining whether a data for a current line is identical to a data for a previous line and generating a line control signal based on the determination whether the current line data is identical to the previous line data, and a decoder provided at the data integrated circuit, the decoder receiving the line control signal from the encoder.

    Abstract translation: 具有多条数据线的液晶显示装置的驱动装置包括数据集成电路,连接到数据集成电路的定时控制器,设置在定时控制器处的编码器,编码器确定当前行的数据是否为 与前一行的数据相同,并且基于确定当前行数据是否与前一行数据相同来生成行控制信号;以及解码器,其设置在数据集成电路处,解码器接收来自该行数据的行控制信号 编码器。

    Method of compensating kickback voltage for a liquid crystal display device
    19.
    发明授权
    Method of compensating kickback voltage for a liquid crystal display device 失效
    补偿液晶显示装置反冲电压的方法

    公开(公告)号:US07061461B2

    公开(公告)日:2006-06-13

    申请号:US10779660

    申请日:2004-02-18

    Applicant: Jin-Cheol Hong

    Inventor: Jin-Cheol Hong

    CPC classification number: G09G3/3655 G09G2320/0219 G09G2320/0223

    Abstract: A method of compensating for a kickback voltage for a common electrode of the LCD device having a gate line where the gate signal is applied from a first end to a second thereof includes applying a constant current to the common electrode at a location corresponding to the first end of the gate line, and applying a common voltage to the common electrode at a location corresponding to the second end of the gate line.The constant current applied to the common electrode helps to maintain the difference of the common voltages between the positions corresponding to first and second ends of the gate line.

    Abstract translation: 一种用于补偿具有栅极线的LCD器件的公共电极的反冲电压的方法,其中栅极信号从第一端施加到第二端包括在对应于第一端的位置处向公共电极施加恒定电流 栅极线的端部,并且在与栅极线的第二端对应的位置处向公共电极施加公共电压。 施加到公共电极的恒定电流有助于保持对应于栅极线的第一和第二端的位置之间的公共电压的差。

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