公开(公告)号：US09922607B2

公开(公告)日：2018-03-20

申请号：US12153708

申请日：2008-05-22

申请人： Hong Sung Song ,  Woong Ki Min ,  Su Hyuk Jang

发明人： Hong Sung Song ,  Woong Ki Min ,  Su Hyuk Jang

IPC分类号： G09G5/00 ,  G09G3/36 ,  G09G3/20

CPC分类号： G09G3/3614 ,  G09G3/2014 ,  G09G3/3648 ,  G09G3/3677 ,  G09G2310/0224 ,  G09G2310/0251 ,  G09G2320/0204 ,  G09G2320/0247 ,  G09G2320/0257 ,  G09G2320/0261

摘要： A liquid crystal display (LCD) device includes a liquid crystal display panel having a matrix of liquid crystal cells defined by crossings of the data lines and the gate lines. The LCD device includes a data driving circuit for inverting a polarity of a data voltage in response to a polarity control signal, and supplying the polarity-inverted data voltage to an associated one of the data lines in response to a source output enable signal; a gate driving circuit for sequentially supplying a scan voltage to each of the gate lines in response to a gate output enable signal; and a controller for modulating the polarity control signal such that data voltages having the same polarity are respectively supplied to liquid crystal cells along one gate line in consecutive frame periods and generating the source output enable signal and the gate output enable signal.

公开(公告)号：US08237648B2

公开(公告)日：2012-08-07

申请号：US12149909

申请日：2008-05-09

申请人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Su Hyuk Jang

发明人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Su Hyuk Jang

IPC分类号： G09G3/36

CPC分类号： G09G3/3696 ,  G02F1/13452 ,  G09G2300/0426 ,  G09G2310/0218

摘要： A liquid crystal display (LCD) device having a simplified printed circuit board (PCB) is disclosed. The LCD device includes a first integrated circuit (IC) group operating in accordance with timing control signals to convert digital video data into data voltage and to supply the data voltage to a first data line group, and a second IC group receiving the timing control signals and the digital video data via a first source PCB and LOG wirings and operating in accordance with the timing control signals to convert the digital video data into the data voltage and to supply the data voltage to a second data line group Each IC of the first and second IC groups includes a polarity control signal (POL) generator for generating a polarity control signal to control a polarity of the data voltage, using a part of the timing control signals.

摘要翻译： 公开了一种具有简化的印刷电​​路板（PCB）的液晶显示器（LCD）装置。 LCD装置包括根据定时控制信号操作的第一集成电路（IC）组，以将数字视频数据转换为数据电压并将数据电压提供给第一数据线组，以及接收定时控制信号的第二IC组 以及经由第一源PCB和LOG布线的数字视频数据，并根据定时控制信号进行操作，以将数字视频数据转换成数据电压，并将数据电压提供给第二数据线组。第一和第 第二IC组包括极性控制信号（POL）发生器，用于使用一部分定时控制信号产生极性控制信号以控制数据电压的极性。

公开(公告)号：US20120169788A1

公开(公告)日：2012-07-05

申请号：US13339204

申请日：2011-12-28

申请人： Su-Hyuk JANG ,  Hwan-Joo Lee ,  Jong-Woo Kim

发明人： Su-Hyuk JANG ,  Hwan-Joo Lee ,  Jong-Woo Kim

IPC分类号： G09G3/36 ,  G09G5/10 ,  G09G5/00

CPC分类号： G09G3/3614 ,  G09G3/3685 ,  G09G2310/0251 ,  G09G2350/00

摘要： A liquid crystal display and a method for driving the same, which improve image quality by increasing data line charge speed, are provided. In the display, a preparatory charging controller receives current image data to be provided to m current pixels of an nth horizontal line and a current vertical polarity-reversal control signal for vertically controlling polarities of the current image data, compares current image data with previous data provided to m corresponding previous pixels of an n−1th horizontal line, compares the current control signal with a previous one, and determines a logic value of a preparatory charging control signal based on the comparison. A data driver performs either a first operation for connecting and separating m data lines connected respectively to m current pixels, or a second operation for maintaining the m data lines separated, according to the logic value and provides the current data to the m pixels.

摘要翻译： 提供了通过增加数据线充电速度来提高图像质量的液晶显示器及其驱动方法。 在显示器中，预备充电控制器接收要提供给第n水平线的当前像素的当前图像数据和用于垂直控制当前图像数据的极性的当前垂直极性反转控制信号，将当前图像数据与先前数据进行比较 提供给第n-1条水平线的m个对应的先前像素，将当前控制信号与前一个信号进行比较，并且基于该比较确定预备充电控制信号的逻辑值。 数据驱动器执行用于连接和分离m个电流像素的m条数据线的第一操作或者根据该逻辑值将m条数据线保持分开的第二操作，并将当前数据提供给m个像素。

公开(公告)号：US08125428B2

公开(公告)日：2012-02-28

申请号：US13026671

申请日：2011-02-14

申请人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

发明人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

IPC分类号： G09G3/36

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2330/021 ,  G09G2330/06 ,  G09G2340/02 ,  G09G2340/16

摘要： A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data and to compare a number of transitions between the current data and a next data to determine whether or not the current data is to be inverted in accordance with a comparison result thereof, and to determine whether or not the current data is to be inverted in accordance with a high level number difference of the data, thereby generating a reverse signal when the current data is inverted, a memory to store a data from the data transition part, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data and a display drive circuit to display the data from the lookup table on a liquid crystal display panel.

摘要翻译： 液晶显示装置包括数据转换部分，用于比较先前数据和当前数据之间的转换次数，并比较当前数据与下一个数据之间的转换次数，以确定当前数据是否为 根据其比较结果进行反转，并且根据数据的高电平数差来确定当前数据是否被反转，从而当当前数据反转时产生反向信号，存储器存储 来自数据转换部分的数据，使用反向信号逆向转换来自存储器的数据的数据反向转换部分，查找表以比较当前数据和由数据反向转换部分反向转换的先前帧数据，以选择 调制数据和显示驱动电路，以在液晶显示面板上显示来自查找表的数据。

公开(公告)号：US20110169797A1

公开(公告)日：2011-07-14

申请号：US13051406

申请日：2011-03-18

申请人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong II Kim ,  Su Hyuk Jang

发明人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong II Kim ,  Su Hyuk Jang

IPC分类号： G09G3/36 ,  G09G5/00

CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/0205 ,  G09G2310/0224 ,  G09G2310/0248 ,  G09G2310/0251 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2320/0204 ,  G09G2320/0247 ,  G09G2320/048 ,  G09G2320/0613 ,  G09G2320/103 ,  G09G2330/023

摘要： A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines to which a data voltage is supplied, a plurality of gate lines to which a gate pulse is supplied, and a plurality of liquid crystal cells, a data drive circuit to invert a polarity of the data voltage in response to a polarity control signal and to output the data voltage to the data lines in response to a source output enable signal, a gate drive circuit to supply the gate pulse to the gate lines, and a POL/SOE logic circuit to invert the polarity control signal for every frame period except at Nth-multiple frame period (where N is a positive integer), wherein the POL/SOE logic circuit controls the polarity control signal at every Nth-multiple frame period such that the polarity of the data voltage is the same as the previous frame period and controls a pulse width of the source output enable signal at every Nth-multiple frame period to be longer than for the other frame periods.

摘要翻译： 一种液晶显示装置，包括：液晶显示面板，包括提供数据电压的多条数据线，提供栅极脉冲的多条栅极线，以及多个液晶单元，数据驱动电路 响应于极性控制信号反转数据电压的极性，并且响应于源极输出使能信号而将数据电压输出到数据线，栅极驱动电路将栅极脉冲提供给栅极线，以及 POL / SOE逻辑电路，用于在第N个多个帧周期（其中N为正整数）之外的每个帧周期反转极性控制信号，其中POL / SOE逻辑电路在每N个多个帧周期控制极性控制信号 使得数据电压的极性与前一帧周期相同，并且在每N个多个帧周期控制源输出使能信号的脉冲宽度比其他帧周期长 。

公开(公告)号：US20110134169A1

公开(公告)日：2011-06-09

申请号：US13026671

申请日：2011-02-14

申请人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

发明人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

IPC分类号： G09G3/36 ,  G09G5/10

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2330/021 ,  G09G2330/06 ,  G09G2340/02 ,  G09G2340/16

摘要： A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data and to compare a number of transitions between the current data and a next data to determine whether or not the current data is to be inverted in accordance with a comparison result thereof, and to determine whether or not the current data is to be inverted in accordance with a high level number difference of the data, thereby generating a reverse signal when the current data is inverted, a memory to store a data from the data transition part, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data and a display drive circuit to display the data from the lookup table on a liquid crystal display panel.

摘要翻译： 液晶显示装置包括数据转换部分，用于比较先前数据和当前数据之间的转换次数，并比较当前数据与下一个数据之间的转换次数，以确定当前数据是否为 根据其比较结果进行反转，并且根据数据的高电平数差来确定当前数据是否被反转，从而当当前数据反转时产生反向信号，存储器存储 来自数据转换部分的数据，使用反向信号逆向转换来自存储器的数据的数据反向转换部分，查找表以比较当前数据和由数据反向转换部分反向转换的先前帧数据，以选择 调制数据和显示驱动电路，以在液晶显示面板上显示来自查找表的数据。

公开(公告)号：US07932884B2

公开(公告)日：2011-04-26

申请号：US12003585

申请日：2007-12-28

申请人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong Il Kim ,  Su Hyuk Jang

发明人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong Il Kim ,  Su Hyuk Jang

IPC分类号： G09G3/36

CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/0205 ,  G09G2310/0224 ,  G09G2310/0248 ,  G09G2310/0251 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2320/0204 ,  G09G2320/0247 ,  G09G2320/048 ,  G09G2320/0613 ,  G09G2320/103 ,  G09G2330/023

摘要： A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines to which a data voltage is supplied, a plurality of gate lines to which a gate pulse is supplied, and a plurality of liquid crystal cells, a data drive circuit to invert a polarity of the data voltage in response to a polarity control signal and to output the data voltage to the data lines in response to a source output enable signal, a gate drive circuit to supply the gate pulse to the gate lines, and a POL/SOE logic circuit to invert the polarity control signal for every frame period except at Nth-multiple frame period (where N is a positive integer), wherein the POL/SOE logic circuit controls the polarity control signal at every Nth-multiple frame period such that the polarity of the data voltage is the same as the previous frame period and controls a pulse width of the source output enable signal at every Nth-multiple frame period to be longer than for the other frame periods.

摘要翻译： 一种液晶显示装置，包括：液晶显示面板，包括提供数据电压的多条数据线，提供栅极脉冲的多条栅极线，以及多个液晶单元，数据驱动电路 响应于极性控制信号反转数据电压的极性，并且响应于源极输出使能信号而将数据电压输出到数据线，栅极驱动电路将栅极脉冲提供给栅极线，以及 POL / SOE逻辑电路，用于在第N个多个帧周期（其中N为正整数）之外的每个帧周期反转极性控制信号，其中POL / SOE逻辑电路在每N个多个帧周期控制极性控制信号 使得数据电压的极性与前一帧周期相同，并且在每N个多个帧周期控制源输出使能信号的脉冲宽度比其他帧周期长 。

公开(公告)号：US20110007003A1

公开(公告)日：2011-01-13

申请号：US12647306

申请日：2009-12-24

申请人： Su-Hyuk JANG ,  Hwan-Joo LEE

发明人： Su-Hyuk JANG ,  Hwan-Joo LEE

IPC分类号： G06F3/041 ,  G09G3/36

CPC分类号： G06F3/0412 ,  G09G3/3655 ,  G09G3/3659

摘要： A driving circuit of a liquid crystal display device and a driving method of the same are discussed. A driving circuit of a liquid crystal display device includes a liquid crystal panel comprising pixel cells having only circuit pixels, respectively, aligned in a matrix type corresponding to full resolution, the liquid crystal panel disposed in a matrix type to have resolution that is lower than the full resolution in a predetermined ratio; a panel driving unit driving entire pixel cells provided in the liquid crystal panel to display images, the panel driving unit converting and outputting touch sensing signals transmitted from the pixel cells having the touch sensor circuits into digital signals; and a sensing system calculating touch coordinates from the converted touch sensing signals.

摘要翻译： 讨论了液晶显示装置的驱动电路及其驱动方法。 液晶显示装置的驱动电路包括液晶面板，液晶面板包括仅具有电路像素的像素单元，该像素单元分别以对应于全分辨率的矩阵类型排列，液晶面板以矩阵型布置，以使分辨率低于 预定比例的全分辨率; 面板驱动单元驱动设置在液晶面板中的整个像素单元以显示图像，面板驱动单元将从具有触摸传感器电路的像素单元发送的触摸感测信号转换并输出为数字信号; 以及从所转换的触摸感测信号计算触摸坐标的感测系统。

公开(公告)号：US20090002292A1

公开(公告)日：2009-01-01

申请号：US12003760

申请日：2007-12-31

申请人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

发明人： Sung Jo Koo ,  Su Hyuk Jang ,  Song Jae Lee ,  Hong Sung Song ,  Woong Ki Min

IPC分类号： G09G3/36

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2330/021 ,  G09G2330/06 ,  G09G2340/02 ,  G09G2340/16

摘要： A liquid crystal display device includes a data transition part to compare a number of transitions between a previous data and a current data to selectively invert the current data and to generate a reverse signal, a memory to store the data from the data transition part and to output the stored data as the previous frame data, a data reverse transition part to reversely convert the data from the memory using the reverse signal, a lookup table to compare the current data and the previous frame data reversely converted by the data reverse transition part to select a modulated data, and a display drive circuit to display the data from the lookup table on a liquid crystal display panel.

摘要翻译： 液晶显示装置包括数据转换部分，用于比较先前数据和当前数据之间的转换次数，以选择性地反转当前数据并产生反向信号;存储器，用于存储来自数据转换部分的数据;以及 输出存储的数据作为前一帧数据，数据反向转移部分，以使用反向信号反向转换来自存储器的数据，查找表将当前数据与由数据反向转换部分反向转换的前一帧数据进行比较， 选择调制数据，以及显示驱动电路，用于在液晶显示面板上显示来自查找表的数据。

公开(公告)号：US20080316161A1

公开(公告)日：2008-12-25

申请号：US12003746

申请日：2007-12-31

申请人： Hong Sung Song ,  Woong Ki Min ,  Su Hyuk Jang

发明人： Hong Sung Song ,  Woong Ki Min ,  Su Hyuk Jang

IPC分类号： G09G3/36

CPC分类号： G09G3/3659 ,  G09G3/3614 ,  G09G2320/0247 ,  G09G2320/0257

摘要： A liquid crystal display includes a liquid crystal display panel including a plurality of data lines, a plurality of gate lines crossing the plurality of data lines, and a plurality of liquid crystal cells defined as a first and second liquid crystal cell groups, a data driving circuit to supply a data voltage to the data lines in response to a polarity control signal, a gate driving circuit to supply a scanning pulse that swings between a gate high voltage and a gate low voltage to the gate lines, a first logic circuit to generate the polarity control signal differently for each frame period to maintain a polarity of the data voltage charged in the first liquid crystal cell group, and to invert one time a polarity of the data voltage charged in the second liquid crystal cell group for two frame periods, and a second logic circuit to control the gate driving circuit to decrease the gate high voltage of the scanning pulse to a modulated voltage between the gate high voltage and the gate low voltage for a predetermined modulation time.

摘要翻译： 液晶显示器包括：液晶显示面板，包括多条数据线，多条栅极线与多条数据线交叉;以及多个液晶单元，被定义为第一和第二液晶单元组，数据驱动 电路，用于响应于极性控制信号向数据线提供数据电压;栅极驱动电路，用于向栅极线提供在栅极高电压和栅极低电压之间摆动的扫描脉冲;第一逻辑电路，用于产生 每个帧周期的极性控制信号不同，以保持在第一液晶单元组中充电的数据电压的极性，并且在两帧周期内反转一次充电在第二液晶单元组中的数据电压的极性， 以及第二逻辑电路，用于控制栅极驱动电路，以将扫描脉冲的栅极高电压降低到栅极高电压和栅极之间的调制电压 低电压达预定的调制时间。