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公开(公告)号：US06930659B1
公开(公告)日：2005-08-16
申请号：US09609181
申请日：2000-06-30
CPC分类号： G09G3/14 , G09G2320/0233
摘要： In a light emitting indicator drive circuit which supplies a current to display elements different in display areas, a constant-current is supplied from a P-channel MOS-FET to a display element and a pulse width control circuit controls a on/off ratio. deterioration information from a deterioration detecting circuit and saved segment area information is calculated, and its result decides a time to supply a current to the display elements as a result of the arithmetic operation. With the above operation, a difference in luminance between the display elements and the degradation of luminance caused by the deterioration can be corrected.
摘要翻译： 在向显示区域不同的显示元件供给电流的发光指示器驱动电路中，从P沟道MOS-FET向显示元件供给恒定电流，并且脉冲宽度控制电路控制开/关比。 计算来自劣化检测电路的劣化信息和保存的段区域信息，并且其结果决定了作为算术运算结果向显示元件提供电流的时间。 通过上述操作，可以校正显示元件之间的亮度差和由劣化引起的亮度劣化。
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公开(公告)号：US06897837B1
公开(公告)日：2005-05-24
申请号：US09638214
申请日：2000-08-11
CPC分类号： G09G3/14 , G09G3/04 , G09G3/30 , G09G3/3258 , G09G2310/0275 , G09G2320/043 , G09G2320/048 , G09G2360/148
摘要： In the device for voltage driving the self-luminous display element, the self-luminous display element driving device includes a circuit for generating deterioration information concerning a deterioration state of the self-luminous display element, and a circuit for adjusting a voltage applied to the self-luminous display element, on the basis of the deterioration information generated by the deterioration information generating circuit. The deterioration information generating circuit generates the deterioration information on the basis of a time, a luminance, a current value or a voltgage value, etc. The self-luminous display element may be, for example, an EL (electroluminescence) element or an organic EL element.
摘要翻译： 在用于电压驱动自发光显示元件的装置中，自发光显示元件驱动装置包括用于产生关于自发光显示元件的劣化状态的劣化信息的电路，以及用于调整施加到自发光显示元件的电压的电路 基于由劣化信息生成电路产生的劣化信息，自发光显示元件。 劣化信息生成电路根据时间，亮度，电流值或电压值等生成劣化信息。自发光显示元件可以是例如EL（电致发光）元件或有机物 EL元件
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公开(公告)号：US06429600B1
公开(公告)日：2002-08-06
申请号：US09587024
申请日：2000-06-05
IPC分类号： G09F932
CPC分类号： G09G3/14 , G09G2320/043
摘要： In a light emitting indicator drive circuit which supplies a current to display elements different in display areas, a current control circuit controls the supply current of a constant-current source which is caused by a p-channel MOS-FET which supplies a current to a display element. The current control circuit controls the off-operation of the FET. A signal processing circuit calculates the deterioration data from a deterioration detecting circuit and saved segment area data to decide a supply current value to display elements as a result of the arithmetic operation. With the above operation, a difference in luminance between the display elements and the degradation of luminance caused by the deterioration can be corrected.
摘要翻译： 在向不同显示区域的显示元件供给电流的发光指示器驱动电路中，电流控制电路控制由将p电流供给电流的p沟道MOS-FET引起的恒流源的供给电流 显示元素。 电流控制电路控制FET的截止操作。 信号处理电路根据劣化检测电路来计算劣化数据，并且保存段区数据，以决定作为算术运算结果的显示要素的供给电流值。 通过上述操作，可以校正显示元件之间的亮度差和由劣化引起的亮度劣化。
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公开(公告)号：US06291942B1
公开(公告)日：2001-09-18
申请号：US09602757
申请日：2000-06-23
IPC分类号： G09G310
CPC分类号： G09G3/2014 , G09G3/12 , G09G3/14 , G09G3/30 , G09G3/3216 , G09G2320/029 , G09G2320/043 , G09G2320/048 , G09G2360/148
摘要： There is provided a self-luminous display element driving device which prevents the luminance of a self-luminous display element from changing with the elapse of time and reduces the cost. In the device for constant-voltage driving the self-luminous display element by continuously making on and off states of application of a constant voltage to the self-luminous display element, the self-luminous display element driving device includes a circuit for generating deterioration information concerning a deterioration state of the self-luminous display element, and a circuit for adjusting a time width in which the constant voltage is applied to the self-luminous display element or a time width in which the constant voltage is not applied, on the basis of the deterioration information generated by the deterioration information generating circuit. The self-luminous display element may be, for example, an EL (electroluminescence) element or an organic EL element.
摘要翻译： 提供一种自发光显示元件驱动装置，其防止自发光显示元件的亮度随着时间的流逝而改变并降低成本。 在通过连续向自发光显示元件施加恒定电压的开启和关闭状态来恒定电压驱动自发光显示元件的装置中，自发光显示元件驱动装置包括用于产生劣化信息的电路 关于自发光显示元件的劣化状态，以及用于调整在自发光显示元件上施加恒定电压的时间宽度或不施加恒定电压的时间宽度的电路，基于 由恶化信息生成电路产生的恶化信息。 自发光显示元件可以是例如EL（电致发光）元件或有机EL元件。
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公开(公告)号：US06404139B1
公开(公告)日：2002-06-11
申请号：US09609184
申请日：2000-06-30
IPC分类号： G09G310
CPC分类号： G09G3/22 , G09G2320/029 , G09G2320/0295 , G09G2320/04 , G09G2320/043 , G09G2320/045
摘要： A current is detected through a resistor which is electrically connected in series with an FET for driving an associated one of display elements; the resultant signal is inputted to an operational amplification circuit through a capacitor to be amplified therein; and an output signal from the operational amplification circuit is converted into digital data in an A/D conversion circuit to be applied to a drive control circuit. In the drive control circuit, the amount of electric charges which have been caused to flow through the associated one of the display elements is arithmetically determined, and a period of time when the FET is kept turned ON is controlled in dependence on the amount of electric charges thus arithmetically determined.
摘要翻译： 通过与用于驱动相关联的显示元件的FET串联电连接的电阻器来检测电流; 所得信号通过电容器输入到运算放大电路，以在其中放大; 并且来自运算放大电路的输出信号被转换成A / D转换电路中的数字数据，以被施加到驱动控制电路。 在驱动控制电路中，通过相关联的显示元件流过的电荷量被算术地确定，并且根据电量来控制FET保持接通的时间段 费用如此算术确定。
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公开(公告)号：US20130169898A1
公开(公告)日：2013-07-04
申请号：US13703921
申请日：2011-04-21
IPC分类号： G02F1/133
CPC分类号： G02F1/13306 , G09G3/3622
摘要： In a method of driving a bistable nematic dot-matrix liquid crystal display panel, from the facts that a write waveform contains a DC component and that liquid crystal molecules have not yet reached a stable state of anchoring force immediately after the end of writing but gradually become the stable state, it is considered that charges still remain in liquid crystal even at the time point when a COM electrode and a SEG electrode have become GND. Although the residual charges resulting from single writing cause no problem because its period is short, the residual charges after writing break down the bistable liquid crystal display panel as the number of rewriting increases. Immediately after a waveform for rewriting the bistable liquid crystal display panel was applied, an AC waveform of a voltage lower than the last pulse of a drive waveform was applied. Further, the voltage was allowed to gradually approach 0 V.
摘要翻译： 在驱动双稳态向列点阵液晶显示面板的方法中，由于写入波形包含DC成分且液晶分子在写入结束后立即尚未达到稳定的固定力状态 成为稳定状态，即使在COM电极和SEG电极变为GND的时刻，也认为液晶仍然残留在液晶中。 虽然由于单次写入而产生的剩余电荷由于其周期短而不会产生问题，但是随着写入次数的增加，写入后的剩余电荷使双稳态液晶显示面板分解。 在应用用于重写双稳态液晶显示面板的波形之后，施加低于驱动波形的最后脉冲的电压的AC波形。 此外，允许电压逐渐接近0V。
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公开(公告)号：US07598936B2
公开(公告)日：2009-10-06
申请号：US11004782
申请日：2004-12-03
申请人： Masafumi Hoshino
发明人： Masafumi Hoshino
IPC分类号： G09G3/36
CPC分类号： G09G3/3648 , G09G3/30 , G09G3/3659 , G09G2300/0809
摘要： Pixel electrode driver circuit is disclosed, which include a data signal line, a first latch circuit composed of a three-stage shift circuit, and a second latch circuit connected to each latch, and in which each output of the second latch circuit is connected to each of electrodes corresponding to pixels in respective colors of red, green, and blue to thereby drive every 2 to 32 electrodes in a time division manner. Further, the pixel electrode driver circuit has a positive power supply connected to a control line of the latch circuit for power supply, and two pairs of wirings extending in vertical and horizontal directions and consisting of a data signal line and one control line, and another control line and a GND line are used for connection to the pixel electrode substrate. Further, the pixel electrode driver circuits have a mirror-symmetry suitable for substrate formation by an FSA method.
摘要翻译： 公开了像素电极驱动器电路，其包括数据信号线，由三级移位电路组成的第一锁存电路和连接到每个锁存器的第二锁存电路，并且其中第二锁存电路的每个输出连接到 每个电极对应于红色，绿色和蓝色的各种颜色的像素，从而以时分方式驱动每2至32个电极。 此外，像素电极驱动电路具有连接到用于电源的锁存电路的控制线的正电源，以及在垂直和水平方向上延伸并由数据信号线和一个控制线组成的两对布线，另一个 控制线和GND线用于连接到像素电极基板。 此外，像素电极驱动电路具有适用于通过FSA方法形成衬底的镜像对称性。
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公开(公告)号：US20050128172A1
公开(公告)日：2005-06-16
申请号：US10980526
申请日：2004-11-03
申请人： Masafumi Hoshino
发明人： Masafumi Hoshino
CPC分类号： G09G3/3659 , G09G2310/02 , G09G2310/04 , G09G2330/021
摘要： A method of driving is provided in which designing of a driver IC is simple, and electric power consumption during partial screen display decreases, when full screen display and partial screen display are mixed in a simple matrix type liquid crystal display panel. An MLA drive is used for high duty drive in performing full screen display, and an SA drive is used for low duty drive in performing partial screen display.
摘要翻译： 提供了一种驱动方法，其中驱动器IC的设计简单，并且当在简单矩阵型液晶显示面板中混合全屏显示和部分屏幕显示时，部分屏幕显示期间的电力消耗减少。 在执行全屏显示时，MLA驱动器用于高负载驱动，在执行部分屏幕显示时，使用SA驱动器进行低负载驱动。
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公开(公告)号：US5912655A
公开(公告)日：1999-06-15
申请号：US395429
申请日：1995-02-28
申请人： Masafumi Hoshino , Shuhei Yamamoto , Hiroyuki Fujita , Hirotomo Oniwa , Kentaro Yagi , Fujio Matsu
发明人： Masafumi Hoshino , Shuhei Yamamoto , Hiroyuki Fujita , Hirotomo Oniwa , Kentaro Yagi , Fujio Matsu
CPC分类号： G09G3/3625 , G09G2330/02
摘要： A display device includes a liquid crystal panel, a controller, a common driver and a segment driver. The common driver is powered by a high power supply voltage and outputs row driving waveforms having predetermined voltage levels, which are relatively high. The segment driver is powered by a low power supply voltage and outputs column driving waveforms having predetermined voltage levels, which are relatively low. By this construction, it is not necessary for both the segment and common drivers to be high withstand voltage integrated circuit devices.
摘要翻译： 显示装置包括液晶面板，控制器，公共驱动器和段驱动器。 公共驱动器由高电源电压供电，并输出具有相对高的预定电压电平的行驱动波形。 段驱动器由低电源电压供电，并且输出具有相对较低的预定电压电平的列驱动波形。 通过这种结构，片段和共同驱动器不需要是高耐压集成电路器件。
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公开(公告)号：US08947335B2
公开(公告)日：2015-02-03
申请号：US13703921
申请日：2011-04-21
CPC分类号： G02F1/13306 , G09G3/3622
摘要： In method of driving a bistable nematic dot-matrix liquid crystal display panel, a first pulse voltage is applied to nematic liquid crystal molecules to raise the nematic liquid crystal molecules in the longitudinal direction. After application of the first pulse voltage, a second pulse voltage is applied to the nematic liquid crystal molecules for selecting one of two stable orientation states of the nematic liquid crystal molecules. Immediately after the application of the second pulse voltage, an AC pulse waveform of a voltage lower than a last pulse of the second pulse voltage is applied to thereby remove residual electric charges remaining in the bistable nematic dot-matrix liquid crystal display panel.
摘要翻译： 在驱动双稳态向列型液晶显示面板的方法中，向向列型液晶分子施加第一脉冲电压，以使向列型液晶分子在长度方向上升高。 在施加第一脉冲电压之后，向向列型液晶分子施加第二脉冲电压，用于选择向列型液晶分子的两种稳定取向状态之一。 在施加第二脉冲电压之后，施加低于第二脉冲电压的最后脉冲的电压脉冲波形，从而去除双稳态向列型液晶显示面板中剩余的电荷。
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