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    • 72. 发明申请
    • GAMMA VOLTAGE CONTROLLER, GRADATION VOLTAGE GENERATOR AND DISPLAY DEVICE HAVING THE SAME
    • 伽马电压控制器,分级电压发生器和具有该电压控制器的显示装置
    • US20100001984A1
    • 2010-01-07
    • US12496942
    • 2009-07-02
    • In-Suk KimJae-Hyuck WooJae-Goo Lee
    • In-Suk KimJae-Hyuck WooJae-Goo Lee
    • G09G5/00
    • G09G3/3696G09G2320/0276G09G2320/0673
    • A gamma voltage controller includes a gamma distribution unit that generates a plurality of voltages by performing voltage divisions between a first gradation voltage and a N(th) gradation voltage, a gamma selection unit having first through M(th) gamma selectors that respectively select first through M(th) gamma voltages among the plurality of voltages, a gamma buffer unit that changes inflection points of the gamma curve, and buffers the first through M(th) gamma voltages to output buffered first through M(th) gamma voltages, and a gradation distribution unit that generates second through N−1(th) gradation voltages by performing voltage divisions among the buffered first through M(th) gamma voltages. Each of the buffers includes a feedback loop, and some of the buffers change inflection points of the gamma curve.
    • 伽马电压控制器包括:伽马分配单元,其通过在第一灰度电压和第N灰度电压之间执行电压分割来产生多个电压;伽马选择单元,具有分别首先选择的第一至第M(第)个伽玛选择器 通过所述多个电压中的M(th)个伽马电压,伽马缓冲单元,其改变伽马曲线的拐点,并且缓冲第一至第M(th)个伽马电压以输出缓冲的第一至第M(γ)个电压,以及 灰度分布单元,通过在缓冲的第一至第M(th)个伽马电压之间执行电压分割来产生第二至第N-1(th)个灰度电压。 每个缓冲器包括反馈回路,并且一些缓冲器改变伽马曲线的拐点。
    • 73. 发明授权
    • 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
    • US07535452B2
    • 2009-05-19
    • US10981056
    • 2004-11-04
    • Won-Sik KangJae-Goo Lee
    • Won-Sik KangJae-Goo Lee
    • G09G3/36
    • 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。
    • 74. 发明授权
    • Charge pump circuit of LCD driver including driver having variable current driving capability
    • LCD驱动器的电荷泵电路,包括具有可变电流驱动能力的驱动器
    • US07230471B2
    • 2007-06-12
    • US11121540
    • 2005-05-04
    • Chul ChoiJae-Hyuck WooJae-Goo Lee
    • Chul ChoiJae-Hyuck WooJae-Goo Lee
    • G05F1/10
    • G09G3/3696G09G2340/0428H02M3/07
    • A charge pump circuit of a liquid crystal display driver integrated circuit (LDI) is provided, which can reduce unnecessary current consumption when a load of an output node varies is provided, where, in a gradient mode of a display-on mode, in which an output node of the charge pump circuit has a maximum load, the current driving capability of a driver in the charge pump circuit is increased, and where, in a binary mode, in which the output node of the charge pump circuit has a smaller load than in the gradient mode, the current driving capability of the driver is lower, to prevent unnecessary current consumption caused by too large driving transfer transistors in the driver and to maintain boost efficiency at a proper level.
    • 提供了一种液晶显示驱动器集成电路(LDI)的电荷泵电路,其可以在输出节点的负载变化时减少不必要的电流消耗,其中,在显示模式的梯度模式中,其中 电荷泵电路的输出节点具有最大负载,电荷泵电路中的驱动器的电流驱动能力增加,并且在二进制模式中,电荷泵电路的输出节点具有较小的负载 与梯度模式相比,驱动器的电流驱动能力较低,以防止由驱动器中的过大的驱动转换晶体管引起的不必要的电流消耗,并将升压效率保持在适当的水平。
    • 79. 发明申请
    • Charge pump circuit of LCD driver including driver having variable current driving capability
    • LCD驱动器的电荷泵电路,包括具有可变电流驱动能力的驱动器
    • US20050248388A1
    • 2005-11-10
    • US11121540
    • 2005-05-04
    • Chul ChoiJae-Hyuck WooJae-Goo Lee
    • Chul ChoiJae-Hyuck WooJae-Goo Lee
    • G09G3/36H02M1/00
    • G09G3/3696G09G2340/0428H02M3/07
    • A charge pump circuit of a liquid crystal display driver integrated circuit (LDI) is provided, which can reduce unnecessary current consumption when a load of an output node varies is provided, where, in a gradient mode of a display-on mode, in which an output node of the charge pump circuit has a maximum load, the current driving capability of a driver in the charge pump circuit is increased, and where, in a binary mode, in which the output node of the charge pump circuit has a smaller load than in the gradient mode, the current driving capability of the driver is lower, to prevent unnecessary current consumption caused by too large driving transfer transistors in the driver and to maintain boost efficiency at a proper level.
    • 提供了一种液晶显示驱动器集成电路(LDI)的电荷泵电路,其可以在输出节点的负载变化时减少不必要的电流消耗,其中,在显示模式的梯度模式中,其中 电荷泵电路的输出节点具有最大负载,电荷泵电路中的驱动器的电流驱动能力增加,并且在二进制模式中,电荷泵电路的输出节点具有较小的负载 与梯度模式相比,驱动器的电流驱动能力较低,以防止由驱动器中的过大的驱动转换晶体管引起的不必要的电流消耗,并将升压效率保持在适当的水平。