公开(公告)号：US07701454B2

公开(公告)日：2010-04-20

申请号：US11835987

申请日：2007-08-08

Applicant: Duck-Gu Cho ,  Deok-Hyeon Choe ,  Chul-Ho Lee ,  Mun-Seok Kang ,  Ji-Won Lee ,  Choon-Sook Kim ,  Dong-Hyup Jeon

Inventor： Duck-Gu Cho ,  Deok-Hyeon Choe ,  Chul-Ho Lee ,  Mun-Seok Kang ,  Ji-Won Lee ,  Choon-Sook Kim ,  Dong-Hyup Jeon

IPC: G09G5/00 ,  G09G3/10

CPC classification number: H01J31/127 ,  G09G3/22 ,  G09G2330/02 ,  G09G2330/04

Abstract: A field emission display apparatus including a field emission display panel and a driving device for the field emission display panel. The driving device includes a power supply unit, the power supply unit including an abnormal current detection unit and a discharge circuit. The abnormal current detection unit generates an arc-current detection signal when the value of a current flowing between a negative anode voltage terminal of the field emission display panel and a common ground line is larger than an upper limit. The discharge circuit generates a short circuit between an anode plate of the field emission display panel and the negative anode voltage terminal when the arc-current detection signal is generated from the abnormal current detection unit.

Abstract translation: 一种场发射显示装置，包括场致发射显示面板和用于场致发射显示面板的驱动装置。 驱动装置包括电源单元，电源单元包括异常电流检测单元和放电电路。 当在场致发射显示面板的负极侧电压端子与公共接地线之间流动的电流值大于上限值时，异常电流检测单元产生电弧电流检测信号。 当从异常电流检测单元产生电弧电流检测信号时，放电电路在场发射显示面板的阳极板和负极阳极电压端子之间产生短路。

公开(公告)号：US20100309214A1

公开(公告)日：2010-12-09

申请号：US12629837

申请日：2009-12-02

Applicant: Duck-Gu Cho

Inventor： Duck-Gu Cho

IPC: H04N5/00 ,  G09G5/02 ,  G09G5/00

CPC classification number: G09G3/3426 ,  G09G2320/0247 ,  G09G2320/0261 ,  G09G2320/064 ,  G09G2340/16 ,  G09G2360/16

Abstract: A light emitting device and a method of driving the same that can reduce or even prevent motion blur and flicker phenomena. The light emitting device includes: a display unit including scan lines, column lines, and light emitting pixels configured to provide light to at least one pixel of the display device; a partial brightness controller configured to read the input video signal and the input image control signal, to generate a brightness information signal having brightness information of each of the light emitting pixels, and to generate a motion detection signal having motion information of the entire display device for a frame; and a controller configured to control a pulse width ratio between a first scan signal and a second scan signal, applied to each of the scan lines for the frame, according to the motion detection signal.

Abstract translation: 一种发光器件及其驱动方法，其可以减少甚至防止运动模糊和闪烁现象。 发光装置包括：显示单元，包括扫描线，列线和被配置为向显示装置的至少一个像素提供光的发光像素; 部分亮度控制器，被配置为读取输入视频信号和输入图像控制信号，以生成具有每个发光像素的亮度信息的亮度信息信号，并且生成具有整个显示装置的运动信息的运动检测信号 一帧; 以及控制器，被配置为根据所述运动检测信号来控制施加到所述帧的每条扫描线的第一扫描信号和第二扫描信号之间的脉冲宽度比。

公开(公告)号：US07710362B2

公开(公告)日：2010-05-04

申请号：US11151215

申请日：2005-06-14

Applicant: Duck-Gu Cho

Inventor： Duck-Gu Cho

IPC: H01J1/62 ,  H01J63/04 ,  H05B37/00 ,  H05B39/00 ,  G09G3/10 ,  G09G3/20 ,  G09G3/22 ,  G09G5/00 ,  G06F3/038

CPC classification number: G09G3/22 ,  G09G2310/0275

Abstract: An electron emission display (EED) includes an anode and a panel electrode unit comprising a scan electrode that extends in one direction of a lattice type panel and a data electrode that extends across the scan electrode. In the display and a method of driving the same, when power is supplied to the electron emission display, an anode voltage is applied to drive the anode, and a voltage is applied to at least one electrode of the panel electrode unit when the anode voltage is equal to or higher than a reference voltage.

Abstract translation: 电子发射显示器（EED）包括阳极和面板电极单元，其包括在格栅型面板的一个方向上延伸的扫描电极和跨越扫描电极延伸的数据电极。 在显示器及其驱动方法中，当向电子发射显示器供电时，施加阳极电压以驱动阳极，并且当阳极电压为零时施加电压至面板电极单元的至少一个电极 等于或高于参考电压。

公开(公告)号：US20060050026A1

公开(公告)日：2006-03-09

申请号：US11213913

申请日：2005-08-30

Applicant: Duck-Gu Cho

Inventor： Duck-Gu Cho

IPC: G09G3/22

CPC classification number: G09G3/22 ,  G09G2320/0233 ,  H01J29/085 ,  H01J31/127

Abstract: An EED apparatus including an electron emission display panel and a driving unit thereof that can prevent irregular patterns of brightness in a display caused by a voltage drop. The EED panel comprises an anode plate partitioned into a plurality of sections, and varying electric potentials are applied to each section from the driving unit. A maximum preset voltage is applied to a section of the anode plate, and the electric potentials applied to the other sections gradually decreases as a distance increases from the section to which the maximum preset voltage is applied.

Abstract translation: 一种包括电子发射显示面板及其驱动单元的EED装置，其能够防止由于电压降引起的显示器的亮度不均匀。 EED面板包括分隔成多个部分的阳极板，并且从驱动单元向每个部分施加变化的电位。 对阳极板的一部分施加最大预设电压，并且施加到其它部分的电位随着距离施加最大预设电压的部分的距离增加而逐渐减小。

公开(公告)号：US20050264222A1

公开(公告)日：2005-12-01

申请号：US11131321

申请日：2005-05-18

Applicant: Ji-Won Lee ,  Duck-Gu Cho

Inventor： Ji-Won Lee ,  Duck-Gu Cho

IPC: H04N5/68 ,  G09G3/20 ,  G09G3/22 ,  H05B37/00

CPC classification number: G09G3/22 ,  G09G3/2014 ,  G09G2310/0248 ,  G09G2320/0223

Abstract: An Electron Emission Display (EED) with decreased signal distortion has a data driver to convert data driving signals into display data signals having predetermined data voltage levels and to output the display data signals to data electrode lines. A method of driving the EED includes supplying an auxiliary voltage to the data electrode lines during blanking periods according to subsequent data and supplying the display data signals during active periods between the blanking periods.

Abstract translation: 具有降低的信号失真的电子发射显示器（EED）具有将数据驱动信号转换成具有预定数据电压电平的显示数据信号的数据驱动器，并将显示数据信号输出到数据电极线。 驱动EED的方法包括根据随后的数据在消隐期间向数据电极线提供辅助电压，并在消隐期间的有效期间提供显示数据信号。

公开(公告)号：US20110090421A1

公开(公告)日：2011-04-21

申请号：US12877610

申请日：2010-09-08

Applicant: Duck-Gu Cho

Inventor： Duck-Gu Cho

IPC: G02F1/1335 ,  H01J1/62

CPC classification number: H01J63/06 ,  G02F1/1336 ,  G02F2001/133625

Abstract: A display device uses a light emitting device with heightened luminance at an outermost area thereof as a light source to enhance luminance uniformity of a display panel. The light emitting device includes cathode electrodes, gate electrodes insulated from the cathode electrodes by way of an insulating layer while proceeding in a direction crossing the cathode electrodes, and electron emission regions formed on the cathode electrodes at crossed zones of the cathode electrodes and the gate electrodes. The outermost cathode electrodes are each divided into at least two electrode portions including inner and outer cathode electrode portions, and the outermost gate electrodes are each divided into at least two electrode portions including inner and outer gate electrode portions. When the region of the outer cathode electrode portion and the outer gate electrode portion is called a first region, and the region of the inner cathode electrode portion and the inner gate electrode portion internal to the first region is called a second region, the first region is higher in electron emission intensity than the second region.

Abstract translation: 显示装置使用其最外侧区域具有高亮度的发光装置作为光源，以增强显示面板的亮度均匀性。 发光器件包括阴极电极，在与阴极电极交叉的方向上通过绝缘层与阴极电极绝缘的栅电极以及在阴极电极和栅极的交叉区域形成在阴极上的电子发射区域 电极。 最外侧的阴极电极分为至少两个包括内部和外部阴极电极部分的电极部分，最外面的栅极电极被分成至少两个包括内部和外部电极部分的电极部分。 当外阴极电极部分和外栅电极部分的区域被称为第一区域时，第一区域内部的内阴极电极部分和内栅电极部分的区域被称为第二区域，第一区域 电子发射强度高于第二区域。

公开(公告)号：US20100309230A1

公开(公告)日：2010-12-09

申请号：US12625447

申请日：2009-11-24

Applicant: Duck-Gu Cho

Inventor： Duck-Gu Cho

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G09G3/3677 ,  G09G3/3413 ,  G09G3/3426 ,  G09G2300/023 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/024 ,  G09G2320/0247 ,  G09G2320/0261

Abstract: A light emitting device and a method of driving capable of reducing or preventing motion blur and flicker phenomena. The light emitting device includes: scan lines; light emitting pixels configured to provide light to a liquid crystal pixel, each of the scan lines being applied with first and second scan signals for a frame period; and a partial brightness controller is configured to generate a synchronous signal and a segment detection signal, the synchronous signal and the segment detector signal being for controlling application time points of the first and second scan signals according to a liquid crystal response speed on an operation mode basis of the crystal pixel. The first scan signal is applied at a time point at which liquid crystal arrangement of crystal pixel starts to be sustained, and the second scan signal is applied within a time period in which the liquid crystal arrangement is sustained.

Abstract translation: 一种能够减少或防止运动模糊和闪烁现象的发光装置和驱动方法。 发光装置包括：扫描线; 被配置为向液晶像素提供光的发光像素，每个扫描线在帧周期中施加第一和第二扫描信号; 并且部分亮度控制器被配置为产生同步信号和段检测信号，所述同步信号和段检测器信号用于根据操作模式下的液晶响应速度来控制第一和第二扫描信号的应用时间点 水晶像素的基础。 在晶体像素的液晶布置开始维持的时间点施加第一扫描信号，并且在维持液晶布置的时间段内施加第二扫描信号。

公开(公告)号：US20090040419A1

公开(公告)日：2009-02-12

申请号：US12116532

申请日：2008-05-07

Applicant: Jin-seok Lee ,  Ji-won Lee ,  Duck-gu Cho

Inventor： Jin-seok Lee ,  Ji-won Lee ,  Duck-gu Cho

IPC: G09G3/20 ,  H01J1/62 ,  G02F1/1335 ,  G09G3/36

CPC classification number: G09G3/22 ,  G02F1/133602 ,  G02F2001/133625 ,  G09G3/3426 ,  G09G3/3611 ,  G09G3/3648 ,  G09G2310/024 ,  G09G2320/0633 ,  G09G2320/064 ,  G09G2320/0646

Abstract: An electron emission display device is provided having a light source unit including a plurality of cathode electrodes and a plurality of gate electrodes crossing the plurality of cathode electrodes. The light source unit emits electrons corresponding to voltages of the gate electrodes and the cathode electrodes and allows the emitted electrons to collide with a phosphor on an anode electrode to emit light. A gate driver generates a gate signal and transmits the gate signal to at least one of the gate electrodes. A cathode driver generates a cathode driving signal corresponding to an image signal and transmits the cathode driving signal to the cathode electrode. The cathode driving signal is transmitted in a plurality of pulse waveforms within one vertical synchronization period.

Abstract translation: 提供一种电子发射显示装置，具有包括多个阴极和与多个阴极交叉的多个栅电极的光源单元。 光源单元发射对应于栅电极和阴极的电压的电子，并且允许发射的电子与阳极电极上的荧光体发生碰撞以发光。 栅极驱动器产生栅极信号并将栅极信号传输到至少一个栅极电极。 阴极驱动器产生对应于图像信号的阴极驱动信号，并将阴极驱动信号传输到阴极电极。 阴极驱动信号以一个垂直同步周期内的多个脉冲波形发送。

公开(公告)号：US20090033610A1

公开(公告)日：2009-02-05

申请号：US12038739

申请日：2008-02-27

Applicant: Duck-Gu Cho ,  Sang-Jin Lee ,  Ji-Won Lee

Inventor： Duck-Gu Cho ,  Sang-Jin Lee ,  Ji-Won Lee

IPC: G09G3/36

CPC classification number: G09G3/342 ,  G09G3/22 ,  G09G3/3413 ,  G09G3/3648 ,  G09G2310/024 ,  G09G2330/025 ,  G09G2330/06 ,  G09G2360/16 ,  H01J63/06

Abstract: A light emission device includes a substrate, a plurality of scan lines on the substrate, a plurality of column lines on the substrate, and a plurality of light emission pixels at crossings between the scan lines and the column lines. Corresponding pixels of the plurality of light emission pixels connected to a common scan light are classified into at least first and second groups, and a timing of a first period for which a first light emission data signal is transmitted to the first light emission pixels is different from a timing of a second period for which a second light emission data signal is transmitted to the second light emission pixels.

Abstract translation: 发光装置包括基板，基板上的多条扫描线，基板上的多条列线，以及扫描线与列线之间的交叉处的多个发光像素。 连接到公共扫描光的多个发光像素的对应像素被分类为至少第一组和第二组，并且第一发光数据信号向第一发光像素传输的第一周期的定时不同 从第二发光数据信号发送到第二发光像素的第二周期的定时。

公开(公告)号：US20080036357A1

公开(公告)日：2008-02-14

申请号：US11835987

申请日：2007-08-08

Applicant: Duck-Gu Cho ,  Deok-Hyeon Choe ,  Chul-Ho Lee ,  Mun-Seok Kang ,  Ji-Won Lee ,  Choon-Sook Kim ,  Dong-Hyup Jeon

Inventor： Duck-Gu Cho ,  Deok-Hyeon Choe ,  Chul-Ho Lee ,  Mun-Seok Kang ,  Ji-Won Lee ,  Choon-Sook Kim ,  Dong-Hyup Jeon

IPC: H01J1/62

CPC classification number: H01J31/127 ,  G09G3/22 ,  G09G2330/02 ,  G09G2330/04

Abstract: A field emission display apparatus including a field emission display panel and a driving device for the field emission display panel. The driving device includes a power supply unit, the power supply unit including an abnormal current detection unit and a discharge circuit. The abnormal current detection unit generates an arc-current detection signal when the value of a current flowing between a negative anode voltage terminal of the field emission display panel and a common ground line is larger than an upper limit. The discharge circuit generates a short circuit between an anode plate of the field emission display panel and the negative anode voltage terminal when the arc-current detection signal is generated from the abnormal current detection unit.

Abstract translation: 一种场发射显示装置，包括场致发射显示面板和用于场致发射显示面板的驱动装置。 驱动装置包括电源单元，电源单元包括异常电流检测单元和放电电路。 当在场致发射显示面板的负极侧电压端子与公共接地线之间流动的电流值大于上限值时，异常电流检测单元产生电弧电流检测信号。 当从异常电流检测单元产生电弧电流检测信号时，放电电路在场发射显示面板的阳极板和负极阳极电压端子之间产生短路。