A field emission device (10), in accordance with a preferred embodiment, includes an anode electrode (22), a cathode electrode (12), a gate electrode (16), a phosphor layer (23), and a number of electron emitters (13) formed on the cathode electrode. The anode electrode is opposite to and spaced from the cathode electrode. The phosphor layer is attached/formed on the anode electrode. The gate electrode (preferably in the form of a wire) is spatially positioned between the anode electrode and the cathode electrode. In addition, the gate electrode is correspondingly arranged relative to the phosphor layer. The electron emitters are distributed on surfaces of the cathode electrode at least adjacent to two sides of the gate electrode, thus promoting the ability of the emitted electrons to be guided by, yet not readily impinge on, the gate electrode on a path toward the phosphor layer.