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    • 3. 发明授权
    • Micro stage using piezoelectric element
    • 微电极采用压电元件
    • US07732985B2
    • 2010-06-08
    • US11231471
    • 2005-09-20
    • Sang Kuk ChoiDae Jun KimJin Woo JeongDae Yong Kim
    • Sang Kuk ChoiDae Jun KimJin Woo JeongDae Yong Kim
    • H01L41/00
    • H02N2/028H01J2237/20264
    • Provided is a micro stage comprising: a body having a vertically perforated through-hole passing through a central portion thereof; a bobbin including a tip portion with an electron emission tip embedded in the center thereof, and passing through the through-hole of the body to be moved in the through-hole along a first axis perpendicular to a vertical direction; a first piezoelectric element disposed on the body and lengthened when a voltage is applied thereto to push the bobbin in one direction along the first axis; a second piezoelectric element disposed on the body and lengthened when a voltage is applied thereto to push the bobbin in the other direction along the first axis; and an upper cover that is coupled to an upper portion of the body and has a through-hole, through which the bobbin passes and communicates with the through-hole of the body, wherein the bobbin can be positioned as desired along the first axis by adjusting the voltages applied to the first piezoelectric element and the second piezoelectric element. Accordingly, the emission tip can be exactly and stably positioned using only the movable piezoelectric elements.
    • 提供了一种微型台,包括:主体,其具有穿过其中心部分的垂直穿孔的通孔; 线轴,其包括具有嵌入其中心的电子发射尖端的尖端部分,并沿着垂直于垂直方向的第一轴线穿过所述通孔的待通孔; 第一压电元件,其设置在所述主体上,并且当施加电压时被延长以沿着所述第一轴线沿一个方向推动所述线轴; 第二压电元件,其设置在所述主体上并且当施加电压时被延长以沿着所述第一轴线沿另一方向推动所述线轴; 以及上盖,其联接到所述主体的上部并且具有通孔,所述筒管通过所述通孔,所述通孔与所述主体的所述通孔连通,其中所述线轴可根据需要沿着所述第一轴线由 调整施加到第一压电元件和第二压电元件的电压。 因此,可以仅使用可动压电元件来精确且稳定地定位发射尖端。
    • 4. 发明授权
    • Micro-column electron beam apparatus
    • 微柱电子束装置
    • US07375351B2
    • 2008-05-20
    • US11257244
    • 2005-10-24
    • Sang Kuk ChoiDae Jun KimJin Woo JeongDae Yong Kim
    • Sang Kuk ChoiDae Jun KimJin Woo JeongDae Yong Kim
    • G21G5/00
    • H01J37/067B82Y10/00B82Y40/00H01J37/3177H01J2237/1205H01J2237/1502H01J2237/2818
    • Provided is a micro-column electron beam apparatus including: a base; an electron lens bracket on which an electron lens module can be fixed, mounted in a central portion of the base; an electron beam source tip module vertically disposed on the electron lens module; a pan spring plate stage module that is mounted over the base, supports the electron beam source tip module at a central portion thereof, and includes a three-coupling pan spring plate portion including first through third spring units that are coupled to the electron beam source tip module in three directions on a plane perpendicular to the vertical axis, which vertically passes the center of the electron beam source tip module, to elastically support the electron beam source tip module in three directions; a first piezoelectric actuator coupled to the pan spring plate stage module to move the electron beam source tip module along a first axis perpendicular to the vertical axis; and a second piezoelectric actuator coupled to the pan spring plate stage module to move the electron beam source tip module along a second axis perpendicular to the vertical axis and the first axis.
    • 本发明提供一种微柱电子束装置,包括:基底; 电子透镜支架,其上可以固定电子透镜模块,安装在基座的中心部分; 垂直设置在电子透镜模块上的电子束源头模块; 安装在基座上方的平板弹簧板台模块在其中心部分处支撑电子束源头模块,并且包括三联盘盘弹簧板部分,其包括耦合到电子束源的第一至第三弹簧单元 尖端模块在垂直于垂直轴线的平面上垂直通过电子束源头模块的中心,在三个方向弹性支撑电子束源头模块; 第一压电致动器,其联接到所述盘簧板模块以沿着垂直于所述垂直轴线的第一轴线移动所述电子束源尖端模块; 以及耦合到盘簧级模块的第二压电致动器,用于沿垂直于垂直轴线和第一轴线的第二轴线移动电子束源尖端模块。
    • 5. 发明授权
    • Active-matrix field emission pixel and active-matrix field emission display
    • 有源矩阵场发射像素和有源矩阵场发射显示
    • US08054249B2
    • 2011-11-08
    • US12096595
    • 2006-11-27
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • G09G5/00
    • H01J1/304G09G3/22H01J29/04H01J31/127H01J2201/319
    • Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a phosphor occurs and a TFT for driving the emission element; a current source for applying a scan signal to each unit pixel; and a voltage source for applying a data signal to each unit pixel. Here, the on-current of the current source is high enough to take care of the load resistance and capacitance of a scan row within a given writing time, and the off-current of the current source is so low that the electron emission of each pixel can be ignored. In addition, the pulse amplitude or pulse width of the data signal applied from the voltage source is changed, and thereby the gray scale of the display is represented.
    • 提供了能够基于电流驱动并防止由薄膜晶体管(TFT)引起的漏电流的场致发射显示器(FED)。 FED包括:多个单位像素,包括其中发生荧光体的阴极发光的发射元件和用于驱动发光元件的TFT; 用于向每个单位像素施加扫描信号的电流源; 以及用于将数据信号施加到每个单位像素的电压源。 这里,电流源的导通电流足够高,以便在给定的写入时间内照顾扫描行的负载电阻和电容,并且电流源的截止电流非常低以致每个电流源的电子发射 像素可以忽略。 此外,改变从电压源施加的数据信号的脉冲幅度或脉冲宽度,从而表示显示器的灰度级。
    • 6. 发明申请
    • MICROMINIATURE X-RAY TUBE WITH TRIODE STRUCTURE USING A NANO EMITTER
    • 具有三重结构的微型X射线管使用纳米发射体
    • US20110116603A1
    • 2011-05-19
    • US12743496
    • 2008-11-13
    • Dae Jun KimYoon Ho SongJin Woo Jeong
    • Dae Jun KimYoon Ho SongJin Woo Jeong
    • H01J35/04
    • H01J35/065H01J35/14H01J35/16H01J2235/062H01J2235/068H01J2235/087H01J2235/164H01J2235/186
    • A microminiature X-ray tube with a triode structure using a nano emitter is provided, which can increase a field emission region as much as possible by means of nano emitters fine-patterned in a cathode to not only increase an emission current per unit area as much as possible but secure high electrical characteristics, reliability, and structural stability by means of a cover and a bonding material. In addition, gate holes having a macro structure can be formed in the gate to promote electron beam focusing by means of the gate without using a separate focusing electrode and to prevent a leakage current from occurring on the gate. Further, an auxiliary electrode can be formed on a top or an inner surface of a cover applied for structural stability to further promote the electron beam focusing and to control the output amounts per individual X-ray tubes output according to current switching to be equal to each other.
    • 提供了一种具有使用纳米发射极的三极管结构的微型X射线管,其可以通过在阴极中精细图案化的纳米发射体尽可能多地增加场发射区域,以便不仅增加每单位面积的发射电流 尽可能地通过盖和接合材料确保高的电气特性,可靠性和结构稳定性。 此外,可以在栅极中形成具有宏观结构的栅极孔,以通过栅极促进电子束聚焦,而不使用单独的聚焦电极并防止在栅极上发生漏电流。 此外,可以在用于结构稳定性的盖的顶表面或内表面上形成辅助电极,以进一步促进电子束聚焦,并且根据电流切换来控制每个X射线管输出的输出量等于 彼此。
    • 7. 发明申请
    • Active-Matrix Field Emission Pixel and Active-Matrix Field Emission Display
    • 有源矩阵场发射像素和有源矩阵场发射显示
    • US20080284314A1
    • 2008-11-20
    • US12096595
    • 2006-11-27
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • Yoon Ho SongDae Jun KimJin Woo JeongJin Ho LeeKwang Yong Kang
    • H01J1/62G09G3/12G09G3/20
    • H01J1/304G09G3/22H01J29/04H01J31/127H01J2201/319
    • Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a phosphor occurs and a TFT for driving the emission element; a current source for applying a scan signal to each unit pixel; and a voltage source for applying a data signal to each unit pixel. Here, the on-current of the current source is high enough to take care of the load resistance and capacitance of a scan row within a given writing time, and the off-current of the current source is so low that the electron emission of each pixel can be ignored. In addition, the pulse amplitude or pulse width of the data signal applied from the voltage source is changed, and thereby the gray scale of the display is represented.
    • 提供了能够基于电流驱动并防止由薄膜晶体管(TFT)引起的漏电流的场致发射显示器(FED)。 FED包括:多个单位像素,包括其中发生荧光体的阴极发光的发射元件和用于驱动发光元件的TFT; 用于向每个单位像素施加扫描信号的电流源; 以及用于将数据信号施加到每个单位像素的电压源。 这里,电流源的导通电流足够高,以便在给定的写入时间内照顾扫描行的负载电阻和电容,并且电流源的截止电流非常低以致每个电流源的电子发射 像素可以忽略。 此外,改变从电压源施加的数据信号的脉冲幅度或脉冲宽度,从而表示显示器的灰度级。
    • 10. 发明申请
    • FIELD EMISSION BACK LIGHT UNIT, CATHODE STRUCTURE THEREOF AND METHOD FOR FABRICATING THE SAME
    • 场发射背光单元,其阴极结构及其制造方法
    • US20100225225A1
    • 2010-09-09
    • US12739190
    • 2008-06-25
    • Jin Woo JeongYoon Ho SongDae Jun Kim
    • Jin Woo JeongYoon Ho SongDae Jun Kim
    • H01J1/62H01J1/02H01J9/02
    • G02F1/133602G02F2001/133601G02F2001/133625H01J63/02
    • Provided is a field emission device, and more particularly, a field emission back light unit which makes an interconnection connected with an external electrode simple and capable of local dimming. To this end, a cathode structure for the field emission back light unit includes a plurality of data electrodes formed on a cathode substrate and spaced apart from one another, an insulating layer formed on the data electrodes, and having exposure regions exposing the predetermined data electrodes, cathode electrodes formed on the insulating layer and electrically connected with the data electrodes through the exposure regions, and at least one field emitter formed on the cathode electrodes, wherein a cathode block is defined based on the cathode electrodes electrically isolated from one another, and brightness of each cathode block can be controlled according to current supplied through the data electrode.
    • 本发明提供一种场发射装置,更具体地说,是使与外部电极连接的互连简单且能够进行局部调光的场致发射背光单元。 为此,用于场发射背光单元的阴极结构包括形成在阴极基板上并彼此间隔开的多个数据电极,形成在数据电极上的绝缘层,并且具有暴露预定数据电极的曝光区域 ,形成在绝缘层上并通过曝光区域与数据电极电连接的阴极电极和形成在阴极电极上的至少一个场致发射体,其中基于彼此电隔离的阴极电极来限定阴极块,以及 可以根据通过数据电极提供的电流来控制每个阴极块的亮度。