Electron-emitting material, manufacturing method therefor and electron-emitting element and image displaying device employing same
    203.
    发明授权
    Electron-emitting material, manufacturing method therefor and electron-emitting element and image displaying device employing same 有权
    电子发射材料及其制造方法和电子发射元件以及使用它的图像显示装置

    公开(公告)号:US07736542B2

    公开(公告)日:2010-06-15

    申请号:US11047656

    申请日:2005-02-02

    CPC classification number: H01J9/025 H01J1/304 H01J2201/30446

    Abstract: In the present invention an electron-emitting material is provided wherein the field emission initiation voltage or work function is smaller than that of conventional materials. That is, the present invention relates to an electron-emitting sheet material which is a material comprising a substrate 102 and a graphite sheet 101 laminated on the top of the substrate 102, wherein (1) the graphite sheet 101 has a layered structure of layers of graphenes consisting of a plurality of carbon hexagonal networks, (2) the graphenes are layered relative to one another so that the c-axial direction of each graphene is substantially perpendicular to the plane of the substrate 102, (3) the graphite sheet 101 is laminated on top of the substrate 102 so that the c-axial direction of each graphene is substantially perpendicular to the plane of the substrate 102, and (4) the graphite sheet 101 comprises an element other than carbon as a second element.

    Abstract translation: 在本发明中,提供了一种电子发射材料,其中场致发射电压或功函数小于常规材料。 也就是说,本发明涉及一种电子发射片材料,它是一种材料,它是一种材料,它包括层叠在基片102顶部的基底102和石墨片101,其中(1)石墨片101具有层 由多个碳六方网组成的石墨烯,(2)石墨烯相对于彼此层叠,使得每个石墨烯的c轴方向基本上垂直于基板102的平面,(3)石墨片101 层压在基板102的顶部上,使得每个石墨烯的c轴方向基本上垂直于基板102的平面,并且(4)石墨片101包括除碳之外的元素作为第二元件。

    Gate controlled field emission triode and process for fabricating the same
    205.
    发明申请
    Gate controlled field emission triode and process for fabricating the same 有权
    门控场发射三极管及其制造方法

    公开(公告)号:US20090203282A1

    公开(公告)日:2009-08-13

    申请号:US12386161

    申请日:2009-04-14

    CPC classification number: H01J9/025 H01J1/304 H01J2201/30446

    Abstract: This invention relates to a process for fabricating ZnO nanowires with high aspect ratio at low temperature, which is associated with semiconductor manufacturing process and a gate controlled field emission triode is obtained. The process comprises providing a semiconductor substrate, depositing a dielectric layer and a conducting layer, respectively, on the semiconductor substrate, defining the positions of emitter arrays on the dielectric layer and conducting layer, depositing an ultra thin ZnO film as a seeding layer on the substrate, growing the ZnO nanowires as the emitter arrays by using hydrothermal process, and etching the areas excluding the emitter arrays, then obtaining the gate controlled field emission triode.

    Abstract translation: 本发明涉及一种用于制造低温下具有高纵横比的ZnO纳米线的方法,其与半导体制造工艺相关,并且获得了栅极控制的场致发射三极管。 该方法包括提供半导体衬底,分别在半导体衬底上沉积电介质层和导电层,限定电介质层和导电层上的发射极阵列的位置,将沉积超薄ZnO膜作为接种层 衬底,通过使用水热法生长ZnO纳米线作为发射极阵列,并蚀刻除发射极阵列之外的区域,然后获得栅极控制的场致发射三极管。

    ELECTRON EMITTER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT TUBE, FLAT TYPE LIGHTING DEVICE, AND ELECTRON EMITTING MATERIAL
    206.
    发明申请
    ELECTRON EMITTER, FIELD EMISSION DISPLAY UNIT, COLD CATHODE FLUORESCENT TUBE, FLAT TYPE LIGHTING DEVICE, AND ELECTRON EMITTING MATERIAL 审中-公开
    电子发射器,场发射显示单元,冷阴极荧光管,平面照明装置和电子发射材料

    公开(公告)号:US20080252194A1

    公开(公告)日:2008-10-16

    申请号:US11874437

    申请日:2007-10-18

    Abstract: To provide an electron emitter, a field emission display unit, a cold cathode fluorescent tube and a flat type lighting device, which employ an electron emitting material producible at a low cost and in a large amount.A conductive mayenite type compound powder containing at least 50 mol % of a mayenite type compound represented by a chemical formula of either 12CaO.7Al2O3 or 12SrO.7Al2O3 and having a maximum particle size of at most 100 μm, is used as an electron emitter, whereby an electron emitter, a field emission display unit, a cold cathode fluorescent tube and a flat type lighting device, are realized that are easy to produce and capable of emitting electrons even at a low applied voltage and whereby a large current can be obtained per the same applied voltage surface.

    Abstract translation: 提供一种电子发射器,场发射显示单元,冷阴极荧光管和平面照明装置,其采用可以低成本和大量生产的电子发射材料。 一种含有至少50mol%由化学式表示的钙铝石型化合物的导电钙铝石型化合物粉末,其化学式为12CaO.7Al 2 O 3 3或12SrO.7Al

    Carbon-based material for electron emission source, electron emission source containing the carbon-based material, electron emission device including the electron emission source, and method of preparing electron emission source
    208.
    发明申请
    Carbon-based material for electron emission source, electron emission source containing the carbon-based material, electron emission device including the electron emission source, and method of preparing electron emission source 审中-公开
    用于电子发射源的碳基材料,含有碳基材料的电子发射源,包括电子发射源的电子发射装置和制备电子发射源的方法

    公开(公告)号:US20080122337A1

    公开(公告)日:2008-05-29

    申请号:US11976752

    申请日:2007-10-26

    Applicant: Sung-Hee Cho

    Inventor: Sung-Hee Cho

    CPC classification number: H01J31/127 H01J1/304 H01J29/04 H01J2201/30446

    Abstract: A carbon-based material for electron emission sources, electron emission sources containing the carbon-based material, an electron emission device including the electron emission sources, and a method of preparing the electron emission sources are provided. The carbon-based material has a carbon-based material having at least one characteristic selected from the group consisting of a ratio of h2 to h1 (h2/h1) 1.2, where the h2 denotes the relative intensity of a second peak which is a peak in a Raman shift range of 1350±20 cm−1, and the h1 denotes the relative intensity of a first peak which is a peak in a Raman shift range of 1580±20 cm−1 in the Raman spectrum obtained by the radiation of a laser beam having a wavelength of 488±10 nm, 514.5±110 nm, 633±10 nm or 785±10 nm, the FWHM2 denotes the full width at half maximum of the second peak, and the FWHM1 denotes the full width at half maximum of the second peak. The electron emission sources containing the carbon-based material have long lifespan and a high current density.

    Abstract translation: 提供了用于电子发射源的碳基材料,含有碳基材料的电子发射源,包括电子发射源的电子发射装置,以及制备电子发射源的方法。 碳基材料具有选自h2〜h1(h2 / h1)<1.3的比例和FWHM2与FWHM1的比例(FWHM 2 / FWHM)中的至少一种以上的特征的碳系材料 1)> 1.2,其中h2表示作为1350±20cm -1的拉曼位移范围内的峰的第二峰的相对强度,h1表示第一 在通过辐射波长为488±10nm,514.5±110nm的激光束获得的拉曼光谱中,拉曼位移范围为1580±20cm -1的拉曼偏移峰的峰值, 633±10nm或785±10nm,FWHM 2表示第二峰的半峰全宽,FWHM 1表示第二峰的半峰全宽。 含有碳基材料的电子发射源寿命长,电流密度高。

    Electron-emmiting material and manufacturing method therefor
    209.
    发明授权
    Electron-emmiting material and manufacturing method therefor 失效
    电子发射材料及其制造方法

    公开(公告)号:US07351443B2

    公开(公告)日:2008-04-01

    申请号:US11134327

    申请日:2005-05-23

    Abstract: The present invention provides an emissive material with excellent electron emission characteristics. In particular, the present invention relates to a method for manufacturing an emissive material consisting of oriented graphite, having a step of obtaining an oriented graphite comprising a second component and having pores on the inside by heat treating a polymer film in the presence of a second, non-carbon component.

    Abstract translation: 本发明提供具有优异的电子发射特性的发射材料。 特别地,本发明涉及一种用于制造由取向石墨组成的发光材料的方法,该方法具有如下步骤:在第二组分存在下,通过热处理聚合物薄膜,获得包含第二组分并在内部具有孔的取向石墨 ,非碳成分。

    Electrode for electron gun and electron gun using same
    210.
    发明授权
    Electrode for electron gun and electron gun using same 失效
    电子枪用电子枪和电子枪使用

    公开(公告)号:US07294955B2

    公开(公告)日:2007-11-13

    申请号:US11121107

    申请日:2005-05-04

    Abstract: An electrode for an electron gun and an electron gun using same are provided which make use of stable carbon material having small work function and which permit orientation control to be achieved and which can be manufactured at a low cost. An electrode for an electron gun uses carbon electrode(s) formed from amorphous carbon and carbon nanotubes or carbon nanofibers and molded in linear shape. The carbon electrode is obtained by mixing a resin composition such as chlorinated vinyl chloride resin, furan resin, etc., which forms non-graphitizing carbon after carbonizing, with a carbon powder such as carbon nanotubes or carbon nanofibers and, after extrusion, molding and carbonizing the molding obtained.

    Abstract translation: 提供一种电子枪用电极及使用该电极枪的电子枪,其利用具有小功函数的稳定碳材料,并且能够实现取向控制并且可以以低成本制造。 用于电子枪的电极使用由无定形碳和碳纳米管或碳​​纳米纤维形成的碳电极,并且成型为直线形状。 碳电极通过将碳化后形成非石墨化碳的氯化氯乙烯树脂,呋喃树脂等树脂组合物与碳纳米管或碳​​纳米纤维等碳粉混合,挤出成型后, 碳化所得的模制品。

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