| 摘要 |
An FED has a cathode with a plurality of cathode electron emitter layers and a cathode substrate, an anode having a phosphors layer and an anode substrate, and supporting device. The cathode includes a plurality of cathode ribs disposed on the cathode substrate, and the cathode ribs are used for laterally separating any respective two cathodes ribs. The cathode has a gate made from a metallic mask and disposed above the cathode ribs. The supporting device is arranged between the metallic mask and the anode, and has a reflection layer facing the anode. The reflection layer is capable of reflecting light emitted from the phosphors layer.
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