| 摘要 |
A field emission display device can improve a contrast, prevent a spread of an electron beam, and prevent overlapping and distortion of an image by mixing a black material that can absorb an electron with an existing material to form a spacer ground layer and a buffer layer or by forming a black material layer made of a black material on the spacer ground layer, to absorb an electron reflected from an anode electrode or a fluorescent material.
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