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    • 7. 发明授权
    • Panel driving circuit that generates panel test pattern and panel test method thereof
    • 生成面板测试图案的面板驱动电路及其面板测试方法
    • US07627799B2
    • 2009-12-01
    • US11046178
    • 2005-01-28
    • Won-Sik KangJae-Goo Lee
    • Won-Sik KangJae-Goo Lee
    • G01R31/28
    • G01R31/318378G09G3/006G09G3/3611G09G3/3648G09G5/006G09G2330/02G09G2340/125H04N5/06H04N17/04
    • A panel driving circuit that produces a panel test pattern and a method of testing a panel are provided. The driving circuit includes a pattern generation unit and a selection unit. The pattern generation unit responds to a system clock and produces pattern test data and pattern test signals. The selection unit responds to a test signal and selects and outputs either (a) the pattern test data and the pattern test signals that are outputted from the pattern generation unit, or (b) the pattern test data and pattern test signals that are directly applied from the outside. The driving circuit and the method of the panel test generates the panel test data, the horizontal synchronizing signal, the vertical synchronizing signal, and the data activating signal within the driving circuit using a system clock so that the testing of the panel can be carried out without using a separate test device.
    • 提供了产生面板测试图案的面板驱动电路和测试面板的方法。 驱动电路包括图案生成单元和选择单元。 图案生成单元响应系统时钟并产生模式测试数据和模式测试信号。 选择单元响应于测试信号,并且选择并输出(a)从模式生成单元输出的模式测试数据和模式测试信号,或者(b)直接应用的模式测试数据和模式测试信号 从外部。 驱动电路和面板测试方法使用系统时钟产生驱动电路内的面板测试数据,水平同步信号,垂直同步信号和数据激活信号,从而可以执行面板的测试 而不使用单独的测试设备。
    • 10. 发明申请
    • Timing controller and method for reducing liquid crystal display operating current
    • 定时控制器和减少液晶显示工作电流的方法
    • US20050093808A1
    • 2005-05-05
    • US10981056
    • 2004-11-04
    • Won-Sik KangJae-Goo Lee
    • Won-Sik KangJae-Goo Lee
    • G02F1/133G09G3/20G09G3/36G09G5/00
    • G09G3/3685G09G3/3674G09G2330/021
    • Provided are a timing controller, a liquid crystal display (LCD) driver including the same, and a method of outputting display data, where the timing controller receives a vertical synchronous signal and a data enable signal, generates an internal data enable signal having a period that is longer than the period of the data enable signal in response to the vertical synchronous signal and the data enable signal, and updates a memory using the internal data enable signal; where the LCD driver including the timing controller outputs display data stored in a memory device based on the internal data enable signal; where a data line driving circuit drives data lines based on the output display data; and where the method of outputting display data is performed by the LCD driver.
    • 提供了一种定时控制器,包括该定时控制器的液晶显示器(LCD)驱动器和输出显示数据的方法,其中定时控制器接收垂直同步信号和数据使能信号,产生具有周期的内部数据使能信号 其响应于垂直同步信号和数据使能信号长于数据使能信号的周期,并且使用内部数据使能信号来更新存储器; 其中包括定时控制器的LCD驱动器基于内部数据使能信号输出存储在存储器件中的显示数据; 数据线驱动电路基于输出显示数据驱动数据线; 并且其中由LCD驱动器执行输出显示数据的方法。