FIELD EMISSION DEVICE
First Claim
1. A field emission device, comprising:
- an insulative substrate;
an electron pulling electrode located on a surface of the insulative substrate;
a secondary electron emission layer located on a surface of the electron pulling electrode;
a first dielectric layer;
a cathode electrode located apart from the electron pulling electrode by the first dielectric layer, wherein the electron pulling electrode is located between the insulative substrate and the cathode electrode, the cathode electrode has a surface oriented to the electron pulling electrode, and the cathode electrode has a first opening; and
an electron emission layer located on the surface of the cathode electrode oriented to the electron pulling electrode.
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Accused Products
Abstract
A field emission device includes an insulative substrate, an electron pulling electrode, a secondary electron emission layer, a first dielectric layer, a cathode electrode, and an electron emission layer. The electron pulling electrode is located on a surface of the insulative substrate. The secondary electron emission layer is located on a surface of the electron pulling electrode. The cathode electrode is located apart from the electron pulling electrode by the first dielectric layer. The cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron output portion. The electron emission layer is located on the surface of the cathode electrode and oriented to the electron pulling electrode.
9 Citations
20 Claims
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1. A field emission device, comprising:
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an insulative substrate; an electron pulling electrode located on a surface of the insulative substrate; a secondary electron emission layer located on a surface of the electron pulling electrode; a first dielectric layer; a cathode electrode located apart from the electron pulling electrode by the first dielectric layer, wherein the electron pulling electrode is located between the insulative substrate and the cathode electrode, the cathode electrode has a surface oriented to the electron pulling electrode, and the cathode electrode has a first opening; and an electron emission layer located on the surface of the cathode electrode oriented to the electron pulling electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A field emission device, comprising:
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an insulative substrate; a first dielectric layer located on a surface of the insulative substrate and defining a second opening to expose part of the surface of the insulative substrate; an electron pulling electrode located on an exposed surface of the insulative substrate; a secondary electron emission layer located on a surface of the electron pulling electrode; a cathode electrode located on a surface of the first dielectric layer and extending to above the secondary electron emission layer, wherein the cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron outputting portion; an electron emission layer located on the surface of the cathode electrode, wherein the electron emission layer is oriented to and spaced from the secondary electron emission layer; a gate electrode located above and insulated from the cathode electrode by a second dielectric layer; and an anode located above the gate electrode. - View Dependent Claims (18)
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19. A field emission device, comprising:
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an insulative substrate; a first dielectric layer located on a surface of the insulative substrate and defining a second opening to expose part of the surface of the insulative substrate; an electron pulling electrode located on an exposed surface of the insulative substrate; a secondary electron emission layer located on a surface of the electron pulling electrode; a cathode electrode located on a surface of the first dielectric layer and extending to above the secondary electron emission layer, wherein the cathode electrode has a surface oriented to the electron pulling electrode and defines a first opening as an electron outputting portion; and an electron emission layer located on the surface of the cathode electrode, wherein the electron emission layer comprises a plurality of electron emitters;
each of the plurality of electron emitters has an electron emission tip pointing at the secondary electron emission layer. - View Dependent Claims (20)
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Specification