The electron collector may comprise first and second ends, wherein the first end is attached to the image forming substrate and the second end faces the electron emission substrate.
电子收集器可 以包括第一和第二端，其中将第一端贴附到图像形成基板且第二端面对电子 发射基板。
The second electrode includes opening for uncovering the electron emission region.
所述第二电极含有开口以暴露所述电子发射区域。
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