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    • 6. 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。
    • 7. 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。
    • 8. 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。