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公开(公告)号：US06917350B2
公开(公告)日：2005-07-12
申请号：US10033979
申请日：2002-01-03
申请人： Han Su Pae , Young Sun Na , Oh Kyong Kwon , Hak Su Kim
发明人： Han Su Pae , Young Sun Na , Oh Kyong Kwon , Hak Su Kim
CPC分类号： G09G3/3233 , G09G3/20 , G09G2300/0833 , G09G2300/0842 , G09G2310/0259 , G09G2310/0262 , G09G2310/066 , G09G2320/029 , H01L27/3244
摘要： A driving circuit of an active matrix method in a display device is disclosed, which can compensate luminance deviation of the display device according to threshold voltage deviation of a driving unit. The driving circuit of the active matrix method includes a switching unit switching a current applied from the driving unit to the display device, and a deviation compensator detecting the current applied to the display device by switching of a second switch, and controlling a control voltage, thereby compensating luminance deviation of the display device according to threshold voltage deviation of the driving unit.
摘要翻译： 公开了一种显示装置中的有源矩阵方法的驱动电路，其可以根据驱动单元的阈值电压偏差补偿显示装置的亮度偏差。 有源矩阵方法的驱动电路包括切换单元，将从驱动单元施加的电流切换到显示装置;以及偏移补偿器，通过切换第二开关来检测施加到显示装置的电流，并控制控制电压， 从而根据驱动单元的阈值电压偏差补偿显示装置的亮度偏差。
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公开(公告)号：US06535185B2
公开(公告)日：2003-03-18
申请号：US09797957
申请日：2001-03-05
申请人： Hak Su Kim , Oh Kyong Kwon , Young Sun Na
发明人： Hak Su Kim , Oh Kyong Kwon , Young Sun Na
IPC分类号： G09G330
CPC分类号： G09G3/3241 , G09G2300/0809 , G09G2300/0842 , G09G2310/0251 , G09G2320/0252 , G09G2330/04
摘要： An active driving circuit for a display panel includes first to fourth transistors, a capacitor, a constant current source, and a capacitor. The first transistor is connected with a positive power source. The second transistor has a common gate terminal together with the first transistor and a mirror circuit against the first transistor. Also, the second transistor is turned on by a common gate signal applied to the common gate terminal to supply the positive power source to a display device. The third transistor sets a saturated threshold voltage for the common gate terminal by allowing the first transistor and the second transistor to constitute a mirror circuit against each other in accordance with a scan line signal. The constant current source supplies a current with a ground one side and controlled by a gray signal of a data line. The fourth transistor sets the common gate voltage corresponding to the controlled current of the constant current source by the scan line signal. The capacitor accumulates charges corresponding to the difference between the positive power source and the common gate voltage.
摘要翻译： 用于显示面板的主动驱动电路包括第一至第四晶体管，电容器，恒流源和电容器。 第一晶体管与正电源连接。 第二晶体管具有与第一晶体管一起的公共栅极端子和抵抗第一晶体管的反射镜电路。 此外，第二晶体管由施加到公共栅极端子的公共栅极信号导通，以将正电源提供给显示装置。 第三晶体管通过允许第一晶体管和第二晶体管根据扫描线信号彼此构成反射镜电路，来设置公共栅极端子的饱和阈值电压。 恒流源为地电一侧提供电流，并由数据线的灰度信号控制。 第四晶体管将与恒流源的受控电流对应的公共栅极电压设置为扫描线信号。 电容器累积对应于正电源和公共栅极电压之间的差的电荷。
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公开(公告)号：US06667580B2
公开(公告)日：2003-12-23
申请号：US10187991
申请日：2002-07-03
申请人： Hak Su Kim , Young Sun Na , Oh Kyong Kwon
发明人： Hak Su Kim , Young Sun Na , Oh Kyong Kwon
IPC分类号： G09G310
CPC分类号： G09G3/3216 , G09G3/2014 , G09G3/3283 , G09G2310/0248 , G09G2310/06
摘要： A circuit for driving a display of current driven type, and more particularly, to circuit and method for driving a display of current driven type, in which a pre-charging static power source is provided separately for implementing a low power consumption. The circuit for driving a display of current driven type comprises an organic EL, pixel, a scan driving part for making the pixel to emit a light in response to a scan signal, a first static current source for being controlled so as to be turned on/off in response to a data enable signal, to supply a current to the pixel, a second static current source for being controlled so as to be turned on/off in response to a precharge signal, to supply a current to the pixel for precharging the pixel, and a controlling part for controlling amounts of the currents from the static current sources.
摘要翻译： 更具体地，涉及用于驱动电流驱动型显示器的电路和方法，其中单独提供预充电静态电源以实现低功耗。 用于驱动电流驱动型显示器的电路包括有机EL，像素，用于使像素响应于扫描信号发光的扫描驱动部分，用于被控制以被导通的第一静态电流源 响应于数据使能信号，将电流提供给像素，第二静态电流源被控制以便响应于预充电信号被导通/截止，以将电流提供给像素用于预充电 该像素以及用于控制来自静态电流源的电流量的控制部分。
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公开(公告)号：US06369783B1
公开(公告)日：2002-04-09
申请号：US09269213
申请日：1999-05-11
申请人： Oh Kyong Kwon , Young Sun Na
发明人： Oh Kyong Kwon , Young Sun Na
IPC分类号： G09G322
CPC分类号： G09G3/22 , G09G3/2011 , G09G2310/027 , G09G2310/0272
摘要： The present invention generates a cell driving apparatus of a field emission display capable of increasing a grey level and minimizing an area problem by designing a current mode DAC which contains low voltage devices. The cell driving apparatus for use in the field emission display employing a passive matrix indication method, wherein the field emission display includes a field emission device cell having a cathode and a gate electrode, and a data driving means outputting digital signals provided from the outside as data signals, comprises a current mode DAC means for providing a current to the cathode in response to the data signals from the data driving means, and a high voltage isolating means, connected between the current mode DAC means and a cathode line, for preventing an instantaneous high voltage from being provided to the current mode DAC means to thereby protect the current mode DAC means, wherein the instantaneous high voltage is generated between a gate line and the cathode line in response to a gate control signal derived from a gate control means. By using the cell driving apparatus, the present invention obtains a current source having an improved voltage-to-current characteristic to thereby advance the grey level.
摘要翻译： 本发明通过设计包含低电压装置的电流模式DAC，产生场致发射显示器的单元驱动装置，其能够增加灰度级并使面积问题最小化。 一种用于采用无源矩阵指示方法的场致发射显示器中的单元驱动装置，其中场致发射显示器包括具有阴极和栅电极的场发射器件单元，以及数据驱动装置，用于输出从外部提供的数字信号 数据信号包括用于响应于来自数据驱动装置的数据信号向阴极提供电流的电流模式DAC装置，以及连接在电流模式DAC装置和阴极线之间的高压隔离装置，用于防止 提供给电流模式DAC的瞬时高电压意味着保护电流模式DAC装置，其中响应于从栅极控制装置导出的栅极控制信号，在栅极线和阴极线之间产生瞬时高电压。 通过使用电池驱动装置，本发明获得具有改善的电压 - 电流特性的电流源，从而提高灰度级。
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公开(公告)号：US6097359A
公开(公告)日：2000-08-01
申请号：US875537
申请日：1997-10-21
申请人： Oh Kyong Kwon , Young Sun Na , Chang Ho Hyun , Gun Mu Her
发明人： Oh Kyong Kwon , Young Sun Na , Chang Ho Hyun , Gun Mu Her
CPC分类号： G09G3/22 , G09G2300/0828 , H01J2201/304 , H01J2329/00
摘要： A cell driving device of a field emission display according to a passive matrix addressing method having a field emission pixel cell with a cathode (10) and a gate electrode (12) for emitting electrons from the cathode. The cell driving device includes at least two current sources (18, 20) disposed to provide a current signal to the cathode; and a controlling part (22) for selectively driving at least two current sources (18, 20) according to the size of a video signal.
摘要翻译： PCT No.PCT / KR96 / 00227 Sec。 371日期1997年10月21日 102（e）日期1997年10月21日PCT 1996年11月30日PCT公布。 第WO97 / 22134号公报 日期：1997年6月19日根据无源矩阵寻址方法的场发射显示器的单元驱动装置，其具有具有阴极（10）的场致发射像素单元和用于从阴极发射电子的栅电极（12）。 电池驱动装置包括设置成向阴极提供电流信号的至少两个电流源（18,20） 以及用于根据视频信号的大小有选择地驱动至少两个电流源（18,20）的控制部分（22）。
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公开(公告)号：US5953003A
公开(公告)日：1999-09-14
申请号：US875544
申请日：1997-10-06
申请人： Oh Kyong Kwon , Young Sun Na , Chang Ho Hyun , Gun Mu Her
发明人： Oh Kyong Kwon , Young Sun Na , Chang Ho Hyun , Gun Mu Her
CPC分类号： G09G3/22 , G09G2310/0289
摘要： A flat display driving includes a gate driving circuit for sequentially and selectively applying a high voltage to a plurality of gate lines to drives them; a data driving circuit which includes a shift register for sequentially inputting one line of pixel data, a current source array which inputs on line of pixel data from the shift register, generates one line of current signals corresponding to each logic value of the pixel data and applies one line of current signals to the data lines and a latch type transmission array connected between the shift register and the current source array, for adjusting the supply time of one line of pixel data to be applied to the current source array, thereby driving the pixels on one horizontal line of the field emission display by the current signals for a predetermined time period; and a control circuit which processes a video signal into a series type of pixel data, supplies it to the data driving circuit and generates control signals required for the data driving circuit and gate driving circuit.
摘要翻译： PCT No.PCT / KR96 / 00226 Sec。 371日期：1997年10月6日 102（e）日期1997年10月6日PCT 1996年11月30日PCT PCT。 公开号WO97 / 20300 PCT 日期：1997年6月5日平面显示驱动包括：栅极驱动电路，用于顺序选择性地向多条栅极线施加高电压以驱动它们; 数据驱动电路，其包括用于顺序地输入一行像素数据的移位寄存器，从移位寄存器输入像素数据的一行的电流源阵列，生成与像素数据的每个逻辑值对应的一行电流信号， 将一行电流信号施加到数据线以及连接在移位寄存器和电流源阵列之间的锁存型传输阵列，用于调整要施加到电流源阵列的一行像素数据的供给时间，从而驱动 通过电流信号在场发射的一个水平线上的像素预定时间段; 以及将视频信号处理成串行像素数据的控制电路，将其提供给数据驱动电路，并产生数据驱动电路和栅极驱动电路所需的控制信号。
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公开(公告)号：US06633136B2
公开(公告)日：2003-10-14
申请号：US09911877
申请日：2001-07-25
申请人： Hak Su Kim , Young Sun Na
发明人： Hak Su Kim , Young Sun Na
IPC分类号： G09G310
CPC分类号： G09G3/3611 , G09G3/3681 , G09G3/3692
摘要： A current control circuit for a display device is disclosed. The current control circuit for a display device includes a current mirror circuit consisted of high voltage electronic devices, for outputting current equivalent to a power source voltage to a load, a current set unit connected with the current mirror circuit, for setting a value of the current flowing in the load, and a switching element connected with the current mirror circuit, for switching the operation of the current set unit through an external control signal. An amount of the current applied to the load can accurately be controlled due to nonlinear characteristic of the high voltage devices.
摘要翻译： 公开了一种用于显示装置的电流控制电路。 用于显示装置的电流控制电路包括由高电压电子装置构成的电流镜电路，用于输出与电源电压等效于负载的电流，与电流镜电路连接的电流设定单元， 负载中流动的电流以及与电流镜电路连接的开关元件，用于通过外部控制信号切换电流设定单元的动作。 由于高压装置的非线性特性，可以精确地控制施加到负载的电流量
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公开(公告)号：US07561125B2
公开(公告)日：2009-07-14
申请号：US11249353
申请日：2005-10-14
申请人： Hak Soo Kim , Young Sun Na , Oh Kyoung Kwan
发明人： Hak Soo Kim , Young Sun Na , Oh Kyoung Kwan
IPC分类号： G09G3/30
CPC分类号： G09G3/3283 , G09G3/325 , G09G2310/027
摘要： Data drive circuit for a current writing type AMOEL display panel including a plurality of current output channels, and a plurality of channel current generating circuits on respective current output channels for minimizing a difference of current levels occurred between the current output channels, each inclusive of one pair of transistors, a current generating part for generating a current of a small deviation proportional to square of a difference of threshold voltages of the one pair of the transistors, and a current mirror part for mirroring the current, and forwarding the mirrored current as a channel current for the channel, thereby minimizing a difference of current levels occurred between output channels, and driving the AMOEL display panel uniformly.
摘要翻译： 用于当前写入型AMOEL显示面板的数据驱动电路，包括多个电流输出通道，以及在相应的电流输出通道上的多个通道电流产生电路，用于最小化当前输出通道之间发生的电流差异，每个通道电流产生电路包括一个 一对晶体管，用于产生与一对晶体管的阈值电压的差的平方成正比的小偏差的电流的电流产生部分和用于镜像电流的电流镜部分，并将镜像电流转发为 通道电流，从而最小化输出通道之间发生的电流差异，并均匀驱动AMOEL显示面板。
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公开(公告)号：US06982687B2
公开(公告)日：2006-01-03
申请号：US10336743
申请日：2003-01-06
申请人： Hak Soo Kim , Young Sun Na , Oh Kyoung Kwan
发明人： Hak Soo Kim , Young Sun Na , Oh Kyoung Kwan
IPC分类号： G09G3/30
CPC分类号： G09G3/3283 , G09G3/325 , G09G2310/027
摘要： Data drive circuit for a current writing type AMOEL display panel including a plurality of current output channels, and a plurality of channel current generating circuits on respective current output channels for minimizing a difference of current levels occurred between the current output channels, each inclusive of one pair of transistors, a current generating part for generating a current of a small deviation proportional to square of a difference of threshold voltages of the one pair of the transistors, and a current mirror part for mirroring the current, and forwarding the mirrored current as a channel current for the channel, thereby minimizing a difference of current levels occurred between output channels, and driving the AMOEL display panel uniformly.
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