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US 2006/0232189 A1Published application
Electron emission device and method for manufacturing the same
OwnerKyung-Sun Ryu, Cheol-Hyeon Changinventors
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Abstract
An electron emission device includes first and second substrates separated by a predetermined distance, electron emission regions on the first substrate, driving electrodes on the first substrate, a focusing electrode over the driving electrodes and insulated from the driving electrodes, and a plurality of spacers disposed between the first and the second substrates, each spacer having a conductive film on an outer surface. The conductive film is electrically connected to the focusing electrode.
Claims18
An electron emission device, comprising:
- first and second substrates separated by a predetermined distance;
- electron emission regions on the first substrate;
- driving electrodes on the first substrate to control the emission of electrons from the electron emission regions;
- a focusing electrode on the driving electrodes and insulated from the driving electrode, the focusing electrode having openings to pass the electron beams;
- and
- a plurality of spacers disposed between the first and the second substrates, each spacer having a conductive film on an outer surface, wherein the conductive film is electrically connected to the focusing electrode.
3 more elements
A display comprising:
- first and second substrates separated by a predetermined distance;
- an electron emission unit on the first substrate, the electron emission unit comprising:
- electron emission regions;
- first and second electrodes for controlling the emission of electrons from the electron emission regions by receiving a scan signal voltage and a data signal voltage;
- a third electrode for controlling the routes of electrons emitted from the electron emission regions by receiving a direct voltage;
- and
- an insulating layer under the third electrode;
- a light emission unit on a surface of the second substrate facing the first substrate;
- and
- a plurality of spacers arranged between the first and the second substrates, each spacer having a conductive film on an outer surface, wherein the conductive film is electrically connected to the third electrode.
7 more elements
A method of manufacturing an electron emission device, comprising:
- providing a first substrate having driving electrodes and an insulating layer;
- forming a focusing electrode on the insulating layer;
- providing a conductive film on an outer surface of spacers for electrically coupling spacers to the focusing electrode;
- and
- attaching a second substrate to the first substrate, the spacers interposed between the first and second substrates.
2 more elements
Dependencies are inferred from the claim text.