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    • 2. 发明申请
    • APPARATUS AND METHOD FOR BUFFERING SIGNAL DELAY BETWEEN DISPLAY DEVICE IN MULTI-DISPLAY ENVIRONMENT
    • 用于在多显示环境中的显示设备之间缓冲信号延迟的装置和方法
    • US20140111530A1
    • 2014-04-24
    • US14054462
    • 2013-10-15
    • Orion Co., Ltd.
    • Su Sam Choi
    • G06F12/00
    • G06F12/00G06F3/1446G09G2230/00G09G2300/026G09G2310/08G09G2320/0233G09G2360/121
    • An apparatus for buffering a signal delay between display devices in a multi-display environment includes: a delay setting unit for storing a delay time value and providing the delay time value to a signal input controller; a storage unit for storing and outputting an image signal according to the control of the signal input controller; and the signal input controller for controlling an input of an image signal from an image processor to a display module, the signal input controller controlling the image signal input from the image processor to be stored in the storage unit and then input to the display module after a delay as much as the delay time value. Since an image signal input time difference of all display devices is buffered to offset a display time difference of the display devices, it is possible to prevent image quality from deteriorating.
    • 一种用于在多显示环境中缓冲显示装置之间的信号延迟的装置,包括:延迟设定单元,用于存储延迟时间值,并向信号输入控制器提供延迟时间值; 存储单元,用于根据信号输入控制器的控制存储和输出图像信号; 以及信号输入控制器,用于控制从图像处理器到显示模块的图像信号的输入,控制从图像处理器输入的图像信号的信号输入控制器存储在存储单元中,然后在显示模块之后输入到显示模块 延迟时间与延迟时间一样多。 由于缓冲所有显示装置的图像信号输入时间差以偏移显示装置的显示时间差,因此可以防止图像质量恶化。
    • 4. 发明授权
    • Energy recovery circuit for plasma display panel
    • 等离子显示面板的能量回收电路
    • US08304997B2
    • 2012-11-06
    • US12733716
    • 2008-09-22
    • Yong Duk KimYoung Jun LeeSu Sam Choi
    • Yong Duk KimYoung Jun LeeSu Sam Choi
    • G09G3/10
    • G09G3/2965G09G3/294G09G2330/021G09G2330/06
    • An energy recovery circuit for a plasma display panel (PDP) according to the present invention includes an energy recovery unit recovering and storing energy from the PDP; and a switching stabilizing unit electrically connected to the energy recovery unit to stabilize switching of a sustain discharge pulse applied to the PDP. The switching stabilization unit may include one diode, two switches and one capacitor for energy recovery, or include two switches and an external input voltage source that is an external voltage supply. According to the present invention, the difference of voltages applied to both drain and source terminals of a switch (SW2) for applying a sustain discharge voltage (Vsus) is minimized at the time when the switch (SW2) is switched, so that switching can be stabilized by preventing hard switching from being generated when the sustain discharge voltage is applied to a panel. Further, switching and electro-magnetic interference (EMI) noises of the circuit, generated due to the hard switching can be decreased, and therefore, driving reliability of the circuit can be improved.
    • 根据本发明的用于等离子体显示面板(PDP)的能量回收电路包括能量回收单元,其从PDP中回收和存储能量; 以及电连接到所述能量回收单元以稳定施加到所述PDP的维持放电脉冲的切换的开关稳定单元。 开关稳定单元可以包括一个二极管,两个开关和一个用于能量回收的电容器,或者包括两个开关和作为外部电压源的外部输入电压源。 根据本发明,在开关(SW2)切换时,施加维持放电电压(Vsus)的开关(SW2)的漏极和源极端子施加的电压差最小化,使得开关 通过在维持放电电压施加到面板上时防止产生硬切换而被稳定。 此外,可以减少由于硬切换而产生的电路的开关和电磁干扰(EMI)噪声,因此可以提高电路的驱动可靠性。
    • 6. 发明授权
    • Method for driving an AC type plasma display panel
    • 用于驱动AC型等离子体显示面板的方法
    • US08665181B2
    • 2014-03-04
    • US13121536
    • 2009-09-30
    • Hwan Woo LeeGap Sik Park
    • Hwan Woo LeeGap Sik Park
    • G09G3/28
    • G09G3/2965G09G3/2022G09G3/2927G09G2310/066G09G2310/08
    • This disclosure relates to a method for driving an AC type plasma display panel. According to this disclosure, an elapse time period between an end time point of ramp-down and a time when a first scan pulse is applied is maintained to be uniform even when a ramp-down slope is different in such a manner that a comparator of a scan electrode driving circuit compares an output voltage with a reference voltage and a logic control circuit outputs a control signal to a logic control circuit when the output voltage is equal to the reference voltage. Accordingly, the method for driving the AC type plasma display panel is capable of improving an address characteristic and a driving margin.
    • 本公开涉及一种用于驱动AC型等离子体显示面板的方法。 根据该公开内容,即使当斜坡下降斜率不同时,斜坡下降的结束时间点和施加第一扫描脉冲的时间之间的经过时间也保持均匀, 扫描电极驱动电路将输出电压与参考电压进行比较,当输出电压等于参考电压时,逻辑控制电路将控制信号输出到逻辑控制电路。 因此,用于驱动AC型等离子体显示面板的方法能够改善地址特性和驱动余量。