专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2003122333A DATA DRIVING APPARATUS AND METHOD FOR LIQUID CRYSTAL DISPLAY 审中-公开
公开(公告)号：JP2003122333A
公开(公告)日：2003-04-25
申请号：JP2002164513
申请日：2002-06-05
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H03M1/66
摘要： PROBLEM TO BE SOLVED: To provide a data driving device and its method for a liquid crystal display in which the number of integrated circuits is reduced in order to reduce the loss caused by defects of a tape/carrier/package. SOLUTION: The data driving apparatus is provided with a digital-analog conversion integrated circuit 30 which converts inputted pixel data into analog signals for every n data, time divides the signals for every k data and outputs them, an output buffer integrated circuit 50 in which at least two output buffer parts are commonly connected to the circuit 30 for sequentially receiving the pixel signals being supplied from the circuit 30 for every k signals, holding them, simultaneously buffering them and outputting the buffered signals to n data lines and a timing control section which controls the circuits 30 and 50, time divides the pixel data to be supplied to the circuit 30 into at least two regions to sequentially supply the time-divided pixel data to the data lines.

2. 发明专利

JP2003122332A DEVICE AND METHOD FOR DRIVING DATA FOR LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
公开(公告)号：JP2003122332A
公开(公告)日：2003-04-25
申请号：JP2002158775
申请日：2002-05-31
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/1345 , G02F1/133 , G09G3/20 , G09G3/36
摘要： PROBLEM TO BE SOLVED: To provide a device and a method for driving data for a liquid crystal display device which enable substantial decrease in loss due to a failure of a tape carrier package by separately integrating digital-analog conversion parts and output buffer parts, and moreover decrease in the number of integrated circuits functioning as digital-analog conversion by driving the digital-analog converter parts in a time-division manner. SOLUTION: The data driving device for the liquid crystal display device is provided with output buffer integrated circuits for outputting inputted pixel signals by n pieces to data lines; digital-analog conversion integrated circuits connected in common to input stages of at least two pieces of the output buffers, for converting pixel data in n-units into analog signals and selectively outputting them to at least two pieces of output buffer integrated circuits; and a timing control means for controlling each digital-analog conversion integrated circuit and also supplying the pixel data to be supplied to each of them to at least two pieces of sections composed of n-unit pixels data in a time-division manner.

3. 发明专利

GB2380848B Data driving apparatus and method for liquid crystal display 未知
公开(公告)号：GB2380848B
公开(公告)日：2003-11-26
申请号：GB0211911
申请日：2002-05-23
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK-WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G02F1/1345 , G09G3/20 , G09G3/36
摘要： A method of driving a data driving apparatus for a liquid crystal display panel, the method including converting at least two pixel data into analog pixel signals, outputting the converted pixel signals to one of at least two output buffer integrated circuits based on a time division of the pixel data, and applying the buffered pixel signals from each of the output buffer integrated circuits sequentially to a plurality of data lines.

4. 发明专利

FR2830968A1 未知
公开(公告)号：FR2830968A1
公开(公告)日：2003-04-18
申请号：FR0206892
申请日：2002-06-05
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H03M1/66
摘要： A data driving apparatus for a liquid crystal display includes a digital-to-analog converter part for converting input pixel data into a plurality of pixel signals and time-dividing the converted pixel data signals to time-divided pixel signals, wherein the number of the converted pixel signals is greater than that of the time-divided pixel signals, at least two output buffer parts for sequentially receiving the pixel signals from the digital-to-analog converter part, buffering the time-divided pixel signals, and outputting the buffered time-divided pixel signals to a plurality of data lines, at least two of the plurality of output buffer parts being commonly connected to the digital-to-analog converter part, and a timing controller for controlling the digital-to-analog converter part and the output buffer parts and time-dividing the pixel data supplied to the digital-to-analog converter part into at least two regions to sequentially supply the time-divided pixel data to the data lines.

5. 发明专利

FR2830969A1 未知
公开(公告)号：FR2830969A1
公开(公告)日：2003-04-18
申请号：FR0206893
申请日：2002-06-05
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G02F1/1345 , G09G3/20 , G09G3/36
摘要： A method of driving a data driving apparatus for a liquid crystal display panel, the method including converting at least two pixel data into analog pixel signals, outputting the converted pixel signals to one of at least two output buffer integrated circuits based on a time division of the pixel data, and applying the buffered pixel signals from each of the output buffer integrated circuits sequentially to a plurality of data lines.

6. 发明专利

FR2830969B1 未知
公开(公告)号：FR2830969B1
公开(公告)日：2004-11-19
申请号：FR0206893
申请日：2002-06-05
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G02F1/1345 , G09G3/20 , G09G3/36
摘要： A method of driving a data driving apparatus for a liquid crystal display panel, the method including converting at least two pixel data into analog pixel signals, outputting the converted pixel signals to one of at least two output buffer integrated circuits based on a time division of the pixel data, and applying the buffered pixel signals from each of the output buffer integrated circuits sequentially to a plurality of data lines.

7. 发明专利

GB2380849B Data driving apparatus and method for liquid crystal display 未知
公开(公告)号：GB2380849B
公开(公告)日：2003-11-26
申请号：GB0211912
申请日：2002-05-23
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK-WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H03M1/66
摘要： A data driving apparatus for a liquid crystal display includes a digital-to-analog converter part for converting input pixel data into a plurality of pixel signals and time-dividing the converted pixel data signals to time-divided pixel signals, wherein the number of the converted pixel signals is greater than that of the time-divided pixel signals, at least two output buffer parts for sequentially receiving the pixel signals from the digital-to-analog converter part, buffering the time-divided pixel signals, and outputting the buffered time-divided pixel signals to a plurality of data lines, at least two of the plurality of output buffer parts being commonly connected to the digital-to-analog converter part, and a timing controller for controlling the digital-to-analog converter part and the output buffer parts and time-dividing the pixel data supplied to the digital-to-analog converter part into at least two regions to sequentially supply the time-divided pixel data to the data lines.

8. 发明专利

GB2380849A Data driving apparatus and method for liquid crystal display 未知
公开(公告)号：GB2380849A
公开(公告)日：2003-04-16
申请号：GB0211912
申请日：2002-05-23
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK-WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H03M1/66
摘要： A data driving apparatus for a liquid crystal display includes a digital to analog converter part (30) converting input pixel data into a plurality of pixel signals and time-dividing the converted pixel signals to output the time-divided pixel signals, wherein the number of the converted pixel signals is greater than that of the time-divided pixel signals, at least two output buffer parts (50) for sequentially receiving the pixel signals from the digital to analog converter part, holding the time-divided pixel signals, and then buffering and outputting the time-divided pixel signals to a plurality of data lines DL1 ....DLjk, at least two of the plurality of output buffer parts being commonly connected to the digital to analog converter part, and a timing controller for controlling the digital to analog converter part and the output buffer parts and time-dividing the pixel data supplied to the digital to analog converter part into at least two regions to sequentially supply the time-divided pixel data to the data lines.

9. 发明专利

FR2830968B1 未知
公开(公告)号：FR2830968B1
公开(公告)日：2004-11-19
申请号：FR0206892
申请日：2002-06-05
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H03M1/66
摘要： A data driving apparatus for a liquid crystal display includes a digital-to-analog converter part for converting input pixel data into a plurality of pixel signals and time-dividing the converted pixel data signals to time-divided pixel signals, wherein the number of the converted pixel signals is greater than that of the time-divided pixel signals, at least two output buffer parts for sequentially receiving the pixel signals from the digital-to-analog converter part, buffering the time-divided pixel signals, and outputting the buffered time-divided pixel signals to a plurality of data lines, at least two of the plurality of output buffer parts being commonly connected to the digital-to-analog converter part, and a timing controller for controlling the digital-to-analog converter part and the output buffer parts and time-dividing the pixel data supplied to the digital-to-analog converter part into at least two regions to sequentially supply the time-divided pixel data to the data lines.

10. 发明专利

GB2380848A Data driving apparatus and method for liquid crystal display 未知
公开(公告)号：GB2380848A
公开(公告)日：2003-04-16
申请号：GB0211911
申请日：2002-05-23
申请人： LG PHILIPS LCD CO LTD
发明人： LEE SEOK-WOO , CHOI SU KYUNG
IPC分类号： G02F1/133 , G02F1/1345 , G09G3/20 , G09G3/36
摘要： A data driving apparatus for a liquid crystal display includes a plurality of output buffer integrated circuits (30) for buffering a plurality of pixel signals and outputting the plurality of pixel signals to a plurality of data lines (50); a plurality of digital to analog converter integrated circuits, each of which are commonly connected to input terminals of at least two of the plurality of output buffer integrated circuits, for converting input pixel data to the plurality of pixel signals and selectively outputting the plurality of pixel signals to the at least two output buffer integrated circuits; and timing control means for controlling the plurality of digital to analog converter integrated circuits and making a time division of the pixel data into at least two regions to sequentially supply the pixel data to the plurality of data lines.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式