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    • 5. 发明公开
    • SYSTEM AND APPARATUS FOR CATHODOLUMINESCENT LIGHTING
    • 用于CATHODOLUMINESCENT照明的系统和设备
    • EP2335265A1
    • 2011-06-22
    • EP09813685.6
    • 2009-09-11
    • VU1 Corporation
    • HERRING, RichardHUNT, Charles, E.SKUPIEN, ThomasHASILIK, TomasJELINEK, ViktorVANCIL, Bernard, K.
    • H01J9/04
    • H01J63/06H01J1/15H05B41/14
    • Electron sources for a cathodoluminescent lighting system are disclosed. An electron source is a broad-beam reflecting-type electron gun having a cathode for emitting electrons and a reflector and/or secondary emitter electrode and no grids. An alternative electron gun has a cathode having a heater welded to a disk, the disk having an emissive surface on a side facing a dome-shaped defocusing grid and an anode. A lighting system incorporating the electron sources has an envelope with a transparent face, an anode with a phosphor layer to emit light through the face and a conductor layer. The system also has a power supply for providing from five to thirty thousand volts of power to the light emitting device to draw electrons from cathode to anode and excite a cathodoluminescent phosphor, and the electrons transiting from cathode to anode are essentially unfocused. A power- factor-corrected embodiment is also disclosed.
    • 公开了用于阴极发光照明系统的电子源。 电子源是具有用于发射电子的阴极和反射器和/或次级发射极而没有栅极的宽束反射型电子枪。 一种替代电子枪具有阴极,该阴极具有焊接到盘上的加热器,该盘在面向圆顶形散焦栅格的一侧具有发射表面和阳极。 包含电子源的照明系统具有带有透明面的外壳,具有荧光层的阳极以通过面发射光,以及导体层。 该系统还具有电源,用于向发光器件提供五至三万伏的电力以将电子从阴极吸引至阳极并激发阴极发光磷光体,并且从阴极转移至阳极的电子基本上未聚焦。 还公开了功率因数校正的实施例。