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    • 2. 发明申请
    • Method and apparatus for driving a plasma display panel
    • 用于驱动等离子体显示面板的方法和装置
    • US20040251845A1
    • 2004-12-16
    • US10853717
    • 2004-05-26
    • Jeong Pil Choi
    • G09G003/10
    • G09G3/2927G09G3/2051G09G3/2932G09G3/2946G09G2310/066G09G2320/0276
    • The present invention relates to a method and apparatus for driving a plasma display panel (PDP) for reducing an address period and stabilizing discharge. The method for driving the PDP includes a first step of, during the address period, supplying a scan voltage to the scan electrodes and a data voltage to the address electrodes to select a cell, and supplying a DC bias voltage to the sustain electrodes; a second step of, between the address period and the sustain period, lowering a voltage of the scan electrodes and maintaining a voltage on the sustain electrodes in the DC bias voltage; and a third step of during the sustain period, alternately applying a sustain pulse to the scan electrodes and the sustain electrodes to generate sustain discharge.
    • 本发明涉及用于驱动等离子体显示面板(PDP)以减少寻址周期并稳定放电的方法和装置。 用于驱动PDP的方法包括:第一步骤,在寻址周期期间,向扫描电极提供扫描电压和向寻址电极提供数据电压以选择单元,并向维持电极提供DC偏置电压; 第二步,在寻址周期和维持周期之间,降低扫描电极的电压并维持维持电极上的电压为直流偏置电压; 以及在维持期间的第三步骤,对扫描电极和维持电极交替施加维持脉冲,生成维持放电。
    • 3. 发明申请
    • Pixel driving circuit and method for use in active matrix electron luminescent display
    • 用于有源矩阵电子发光显示器的像素驱动电路和方法
    • US20040251839A1
    • 2004-12-16
    • US10776356
    • 2004-02-11
    • Wei-Chieh Hsueh
    • G09G003/10
    • G09G3/325G09G2300/0842G09G2300/0861G09G2320/0233
    • A pixel driving circuit for use in an active matrix electron luminescent display includes a transistor, a capacitor and an organic light-emitting diode. The capacitor has a first and a second ends coupled to the gate electrode of the transistor and a ground voltage, respectively. The organic light-emitting diode has a P and an N electrode coupled to the source electrode of the transistor and the ground voltage, respectively. The capacitor is charged by a driving current received from a data line to generate a specified voltage to bias the transistor and the organic light-emitting diode in the memorizing state, and the transistor and the organic light-emitting diode are further biased with the specified voltage in the emission state.
    • 用于有源矩阵电子发光显示器的像素驱动电路包括晶体管,电容器和有机发光二极管。 电容器具有分别耦合到晶体管的栅电极和接地电压的第一端和第二端。 有机发光二极管分别具有耦合到晶体管的源电极和接地电压的P和N电极。 通过从数据线接收的驱动电流对电容器进行充电,以产生指定的电压,以使晶体管和存储状态下的有机发光二极管偏置,并且晶体管和有机发光二极管进一步被偏置 电压处于发射状态。
    • 5. 发明申请
    • Current drive circuit and display device using same pixel circuit, and drive method
    • 电流驱动电路和显示装置采用相同的像素电路及驱动方式
    • US20040207615A1
    • 2004-10-21
    • US10784828
    • 2004-02-24
    • Akira Yumoto
    • G09G003/10G09G005/00
    • G09G3/3241G09G3/2014G09G3/325G09G3/3266G09G2300/0814G09G2300/0842G09G2300/0852G09G2300/0861G09G2300/0866G09G2310/0248G09G2310/0262G09G2320/0223G09G2320/0233G09G2320/0238G09G2320/0242G09G2320/043H01L27/3244
    • A display device including a current drive circuit capable of stably and correctly supplying an intended current to a light emitting element of each pixel without being affected by variations in characteristics of an active element inside the pixel and as a result capable of displaying a high quality image, wherein each pixel comprises a receiving use transistor TFT3 for fetching a signal current Iw from a data line DATA when a scanning line SCAN-A is selected, a conversion use transistor TFT1 for once converting a current level of a fetched signal current Iw to a voltage level and holding the same, and a drive use transistor TFT2 for passing a drive current having a current level in accordance with the held voltage level through a light emitting element OLED. The conversion use thin film transistor TFT1 generates a converted voltage level at its own gate by passing the signal current Iw fetched by the TFT3 through its own channel. A capacitor C holds the voltage level created at the gate of the TFT1. The TFT2 passes the drive current having a current level in accordance with the held voltage level through the light emitting element OLED.
    • 一种显示装置,包括能够稳定且正确地向每个像素的发光元件供给预期电流的电流驱动电路,而不受像素内部的有源元件的特性变化的影响,并且能够显示高质量图像 ,其中每个像素包括一个接收使用晶体管TFT3,用于在选择扫描线SCAN-A时从数据线DATA获取信号电流Iw;一个转换使用晶体管TFT1,用于将获取的信号电流Iw的当前电平转换成一个 电压电平并保持相同,以及驱动用晶体管TFT2,用于通过发光元件OLED使具有根据所保持的电压电平的具有电流电平的驱动电流通过。 转换用薄膜晶体管TFT1通过使由TFT3取出的信号电流Iw通过其自身的通道而在其自身的栅极产生转换的电压电平。 电容器C保持在TFT1的栅极处产生的电压电平。 TFT2根据通过发光元件OLED的保持电压电平通过具有电流电平的驱动电流。
    • 7. 发明申请
    • Electronic circuits
    • 电子线路
    • US20040178747A1
    • 2004-09-16
    • US10468697
    • 2004-04-07
    • Philip Matthew JonesChristopher James Newton Fryer
    • G09G003/10
    • H05B33/08G09G3/30Y02B20/32
    • A high voltage AC power supply circuit for a capacitive load CL, such as an electroluminescent lamp, includes an inductive component T and an output FET S1 in series. The output FET S1 can be pulsed so that the inductive component T generates a voltage to charge the capacitive load CL via an H-bridge H. A diode D1 prevents current discharging from the capacitive load CL while the output FET S1 Is closed. The circuit also includes a reservoir capacitor CR and a reservoir FET S3 in series with the inductive component T. The reservoir FET S3 can be pulsed so that the inductive component T generates a voltage to charge the reservoir capacitor CR by transferring energy from the capacitive load CL. A diode D2 Prevents current discharging from the reservoir capacitor CR while the reservoir FET S3 is closed. Energy can be transferred from the capacitive load CL to the reservoir capacitor CR and back again to reduce the amount of energy that must be discarded during operation of the circuit.
    • 用于诸如电致发光灯的电容性负载CL的高压AC电源电路包括电感元件T和串联的输出FET S1。 输出FET S1可以被脉冲,使得电感分量T产生电压,以经由H桥H对电容性负载CL充电。当输出FET S1闭合时,二极管D1防止从电容负载CL的电流放电。 该电路还包括与电感元件T串联的储存电容器CR和储存器FET S3。储存器FET S3可以是脉冲的,使得感应元件T产生电压,以通过从容性负载传递能量来对蓄电池CR充电 CL。 二极管D2在存储器FET S3闭合时,防止从储存电容器CR的电流放电。 能量可以从电容性负载CL转移到蓄电池CR并再次返回,以减少在电路运行期间必须丢弃的能量。
    • 9. 发明申请
    • High-voltage discharge lamp lighting apparatus, high-voltage discharge lamp apparatus, and floodlight projector apparatus
    • 高压放电灯照明装置,高压放电灯装置和泛光灯投影仪装置
    • US20040155594A1
    • 2004-08-12
    • US10772282
    • 2004-02-06
    • HARISON TOSHIBA LIGHTING CORPORATION
    • Manabu Kika
    • G09G003/10
    • H01J5/54H01R13/53H01R33/09H05B41/02H05B41/042H05B41/2881Y02B20/19Y02B20/204
    • A high-voltage discharge lamp lighting apparatus has a stabilizer 12 which supplies a power voltage used for maintaining the lighting operation to a high-voltage discharge lamp 20, and an ignitor circuit having an oscillating circuit-for-driving 13 in which a start pulse generates upon starting the lighting operation of the high-voltage discharge lamp, and high-voltage pulse generating transformers (14a, 14b, and 14c) which increase a voltage of the start pulse. Further, the high-voltage discharge lamp lighting apparatus includes a cap portion 16 to which the high-voltage discharge lamp 20 is attached and held, including a part of the high-voltage pulse generating transformers of the ignitor circuit, and a socket portion 11 to which the cap portion 16 is attached and is fit, including at least the oscillating circuit-for-driving 13 in the ignitor circuit and a portion of the high-voltage pulse generating transformers except for a part included in the cap portion 16. A primary coil 14a, a secondary coil 14b, and a magnetic coil 14c of the high-voltage pulse generating transformers are dividedly accommodated and arranged in the cap portion 16 and the socket portion 11. Thus, the continuous generation of a high voltage is prevented at connecting pieces of the portions upon detaching the cap portion 16 from the socket portion 11, the electric shock of an operator is prevented, and costs are reduced upon replacing the lamp.
    • 高压放电灯点灯装置具有稳定器12,其将用于将照明操作维持的电力电压提供给高压放电灯20,以及具有振荡电路驱动器13的点火器电路,其中启动脉冲 在开始高压放电灯的点亮动作时产生,并产生增加开始脉冲电压的高压脉冲发生变压器(14a,14b,14c)。 此外,高压放电灯点灯装置包括盖部16,高压放电灯20被安装并保持在其上,盖部分16包括点火器电路的一部分高电压脉冲发生变压器和插座部分11 盖部分16被附接并且被配合到其上,至少包括在点火器电路中的驱动振荡电路13以及部分包括在盖部分16中的部分的高电压脉冲发生变压器。 高压脉冲发生变压器的初级线圈14a,次级线圈14b和磁性线圈14c被分开地容纳并设置在盖部16和插座部11中。因此,可以防止连续产生高电压 在将盖部分16从插座部分11拆卸时连接件的部分,防止了操作者的触电,并且在更换灯泡时成本降低。