Patent ID: 9269523
Filing Date: 2016-02-23
CPC Classification: H01J

Claim Text:
1. An electron emission device, comprising: a plurality of first electrodes substantially parallel to each other and extending along a first direction, wherein each of the plurality of first electrodes comprises a carbon nanotube layer; a plurality of second electrodes substantially parallel to each other and extending along a second direction, wherein the plurality of second electrodes are intersected with the plurality of first electrodes to define a plurality of intersections; and a plurality of electron emission units, wherein each of the plurality of electron emission unit is sandwiched between the first electrode and the second electrode at each of the plurality of intersections, wherein the electron emission unit comprises a semiconductor layer and an insulating layer stacked together; the semiconductor layer defines a plurality of holes, the carbon nanotube layer covers the plurality of holes, and a portion of the carbon nanotube layer is suspended on the plurality of holes.