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    • 2. 发明申请
    • Triode structure field emission display device using carbon nanotubes and method of fabricating the same
    • 使用碳纳米管的三极结构场致发射显示装置及其制造方法
    • US20050040752A1
    • 2005-02-24
    • US10949524
    • 2004-09-27
    • Hang-woo LeeSang-jin LeeShang-hyeun Park
    • Hang-woo LeeSang-jin LeeShang-hyeun Park
    • H01J1/30H01J1/304H01J9/02H01J1/02H01J1/00H01J9/04H01J9/12H01J21/10
    • B82Y10/00H01J1/304H01J9/025H01J2201/30403Y10S977/952
    • A field emission display device and a method of fabricating the same are provided. The field emission display device includes a substrate, a transparent cathode layer, an insulation layer, a gate electrode, a resistance layer, and carbon nanotubes. The transparent cathode layer is deposited on the substrate. The insulation layer is formed on the cathode layer and has a well exposing the cathode layer. The gate electrode is formed on the insulation layer and has an opening corresponding to the well. The resistance layer is formed to surround the surface of the gate electrode and the inner walls of the opening and the well so as to block ultraviolet rays. The carbon nanotube field emitting source is positioned on the exposed cathode layer. An alignment error between the gate electrode and the cathode is removed, and carbon nanotube paste is prevented from remaining during development, thereby preventing current leakage and short circuit between the electrodes and diode emission. Accordingly, the performance of the field emission display device can be improved.
    • 提供场发射显示装置及其制造方法。 场发射显示装置包括基板,透明阴极层,绝缘层,栅电极,电阻层和碳纳米管。 透明阴极层沉积在衬底上。 绝缘层形成在阴极层上并具有使阴极层暴露的良好状态。 栅电极形成在绝缘层上并且具有对应于阱的开口。 电阻层形成为围绕栅电极的表面和开口和阱的内壁,以阻挡紫外线。 碳纳米管场发射源位于暴露的阴极层上。 除去栅电极和阴极之间的对准误差,并且防止在显影期间保留碳纳米管糊,从而防止电极之间的电流泄漏和短路以及二极管发射。 因此,可以提高场发射显示装置的性能。
    • 3. 发明授权
    • Triode structure field emission display device using carbon nanotubes and method of fabricating the same
    • 使用碳纳米管的三极结构场致发射显示装置及其制造方法
    • US06812480B2
    • 2004-11-02
    • US10347622
    • 2003-01-22
    • Hang-woo LeeSang-jin LeeShang-hyeun Park
    • Hang-woo LeeSang-jin LeeShang-hyeun Park
    • H01L2100
    • B82Y10/00H01J1/304H01J9/025H01J2201/30403Y10S977/952
    • A field emission display device and a method of fabricating the same are provided. The field emission display device includes a substrate, a transparent cathode layer, an insulation layer, a gate electrode, a resistance layer, and carbon nanotubes. The transparent cathode layer is deposited on the substrate. The insulation layer is formed on the cathode layer and has a well exposing the cathode layer. The gate electrode is formed on the insulation layer and has an opening corresponding to the well. The resistance layer is formed to surround the surface of the gate electrode and the inner walls of the opening and the well so as to block ultraviolet rays. The carbon nanotube field emitting source is positioned on the exposed cathode layer. An alignment error between the gate electrode and the cathode is removed, and carbon nanotube paste is prevented from remaining during development, thereby preventing current leakage and short circuit between the electrodes and diode emission. Accordingly, the performance of the field emission display device can be improved.
    • 提供场发射显示装置及其制造方法。 场发射显示装置包括基板,透明阴极层,绝缘层,栅电极,电阻层和碳纳米管。 透明阴极层沉积在衬底上。 绝缘层形成在阴极层上并具有使阴极层暴露的良好状态。 栅电极形成在绝缘层上并且具有对应于阱的开口。 电阻层形成为围绕栅电极的表面和开口和阱的内壁,以阻挡紫外线。 碳纳米管场发射源位于暴露的阴极层上。 除去栅电极和阴极之间的对准误差,并且防止在显影期间保留碳纳米管糊,从而防止电极之间的电流泄漏和短路以及二极管发射。 因此,可以提高场发射显示装置的性能。
    • 4. 发明申请
    • Field emission device
    • 场发射装置
    • US20080003916A1
    • 2008-01-03
    • US11798481
    • 2007-05-14
    • Shang-hyeun ParkHang-woo LeeYou-jong KimPil-soo Ahn
    • Shang-hyeun ParkHang-woo LeeYou-jong KimPil-soo Ahn
    • H01J9/04
    • B82Y10/00H01J3/022H01J9/025
    • Provided is a field emission device using carbon nanotubes. The field emission device includes a substrate, a cathode, a gate insulating layer, an electron emitter, and a gate electrode. The cathode is formed on the substrate. The gate insulating layer is formed on the cathode and has a well exposing a portion of the cathode. The electron emitter is formed on the exposed portion of the cathode. The gate electrode is formed on the gate insulating layer and has a gate hole corresponding to the well. The gate electrode further includes a cylindrical electrode part that forms a focusing electric field from the gate hole toward a proceeding path of an electron beam. Accordingly, a focusing electric field can be formed around an electron beam emitted from the electron emitter so as to converge and focus the electron beam passing through the focusing electric field. As a result, color purity, brightness, and durability can be improved.
    • 提供了使用碳纳米管的场致发射器件。 场致发射器件包括衬底,阴极,栅极绝缘层,电子发射体和栅电极。 阴极形成在基板上。 栅绝缘层形成在阴极上并具有暴露阴极的一部分的良好的孔。 电子发射体形成在阴极的暴露部分上。 栅电极形成在栅极绝缘层上并具有与阱对应的栅极孔。 栅电极还包括圆柱形电极部分,其从门孔朝向电子束的前进路径形成聚焦电场。 因此,可以在从电子发射体发射的电子束周围形成聚焦电场,以使通过聚焦电场的电子束会聚并聚焦。 结果,可以提高色纯度,亮度和耐久性。
    • 7. 发明授权
    • Method of fabricating field emission display employing carbon nanotubes
    • 使用碳纳米管制造场发射显示的方法
    • US06935915B2
    • 2005-08-30
    • US10209937
    • 2002-08-02
    • Shang-hyeun ParkDeuk-seok ChungHang-woo Lee
    • Shang-hyeun ParkDeuk-seok ChungHang-woo Lee
    • B82B3/00H01J1/30H01J9/02
    • B82Y10/00H01J9/025H01J2201/30469
    • A method of fabricating a field emission display employing carbon nanotubes (CNTs) as electron emitters is provided. The method includes forming a cathode on a substrate; forming a gate insulation layer having a plurality of gate holes on the cathode; forming a gate electrode having a plurality of via-holes corresponding to the gate holes, respectively, on the gate insulation layer; forming a plurality of conductive columns higher than the gate electrode on the cathode within the respective gate holes; adhering the CNTs to the bottom of a plate template which is separately provided; bringing the bottom of the template having the CNTs to contact the tops of the conductive columns to adhere the CNTs to the tops of the conductive columns; and firing the conductive columns to lower the levels thereof. Accordingly, the problems of conventional methods, such as sinking of CNTs caused by screen printing, residual CNTs remaining within a gate when a lift-off method is used and short circuiting between gate and cathode due to the residual CNTs, can be solved. In addition, CNTs are applied to only a part for field emission, that is, only the top of a conductive column, thereby requiring fewer CNTs and decreasing fabrication cost. Moreover, the method uses stamping in order to form CNTs, so it is very advantageous in mass production.
    • 提供了使用碳纳米管(CNT)作为电子发射体制造场致发射显示器的方法。 该方法包括在基板上形成阴极; 在所述阴极上形成具有多个栅极孔的栅极绝缘层; 在所述栅极绝缘层上分别形成具有与所述栅极孔对应的多个通孔的栅电极; 在各个门孔内形成比阴极上的栅电极高的多个导电柱; 将CNT粘附到单独提供的板模板的底部; 使具有CNT的模板的底部接触导电柱的顶部以将CNT粘附到导电柱的顶部; 并且烧制导电柱以降低其水平。 因此,可以解决常规方法的问题,例如由丝网印刷引起的CNT的沉没,使用剥离方法时残留在栅极内的残留CNT以及由于残留CNT而引起的栅极和阴极之间的短路。 此外,CNT仅被施加到用于场发射的部分,即仅导电柱的顶部,从而需要更少的CNT并降低制造成本。 此外,该方法使用冲压以形成CNT,因此在批量生产中是非常有利的。
    • 9. 发明授权
    • Field emission device with gate having cylindrical part
    • 具有圆柱形部分的门的场致发射装置
    • US07233102B2
    • 2007-06-19
    • US10686678
    • 2003-10-17
    • Shang-hyeun ParkHang-woo LeeYou-jong KimPil-soo Ahn
    • Shang-hyeun ParkHang-woo LeeYou-jong KimPil-soo Ahn
    • H01J1/62H01J63/04
    • B82Y10/00H01J3/022H01J9/025
    • The field emission device includes a substrate, a cathode, a gate insulating layer, an electron emitter, and a gate electrode. The cathode is formed on the substrate. The gate insulating layer is formed on the cathode and has a well exposing a portion of the cathode. The electron emitter is formed on the exposed portion of the cathode. The gate electrode is formed on the gate insulating layer and has a gate hole corresponding to the well. The gate electrode further includes a cylindrical electrode part that forms a focusing electric field from the gate hole toward a proceeding path of an electron beam. Accordingly, a focusing electric field can be formed around an electron beam emitted from the electron emitter so as to converge and focus the electron beam passing through the focusing electric field. As a result, color purity, brightness, and durability can be improved.
    • 场致发射器件包括衬底,阴极,栅极绝缘层,电子发射体和栅电极。 阴极形成在基板上。 栅绝缘层形成在阴极上并具有暴露阴极的一部分的良好的孔。 电子发射体形成在阴极的暴露部分上。 栅电极形成在栅极绝缘层上并具有与阱对应的栅极孔。 栅电极还包括圆柱形电极部分,其从门孔朝向电子束的前进路径形成聚焦电场。 因此,可以在从电子发射体发射的电子束周围形成聚焦电场,以使通过聚焦电场的电子束会聚并聚焦。 结果,可以提高色纯度,亮度和耐久性。