Electron emission device and electron emission display
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsPeng Liu, De-Jie Li, Chun-Hai Zhang, Duan-Liang Zhou, Bing-Chu Du, Shou-Shan Fan
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Abstract
An electron emission device includes a number of electron emission units spaced from each other, wherein each of the number of electron emission units includes a first electrode, a semiconductor layer, an electron collection layer, an insulating layer, and a second electrode stacked with each other, the electron collection layer is in contact with the semiconductor layer and the insulating layer, and the electron collection layer is a conductive layer.
Claims18
An electron emission device, the electron emission device comprising:
- a plurality of electron emission units spaced from each other, wherein each of the plurality of electron emission units comprises:
- a first electrode;
- a semiconductor layer on the first electrode and electrically connected to the first electrode;
- an electron collection layer located on the semiconductor layer, wherein the electron collection layer is a conductive layer;
- an insulating layer located on a semiconductor layer surface away from the semiconductor layer;
- and
- a second electrode located on an insulating layer surface away from the semiconductor layer.
An electron emission device, comprising:
- an insulating layer comprising a first surface and a second surface opposite to the first surface;
- a plurality of electron emission units distributed on the first surface, wherein each of the plurality of electron emission units comprises:
- an electron collection layer located on the first surface;
- a semiconductor layer located on the electron collection layer;
- and a first electrode located on the semiconductor layer;
- wherein the electron collection layer is a conductive layer and in contact with the first surface;
- a plurality of second electrodes attached on the second surface and corresponding to the plurality of first electrodes in the plurality of electron emission units, wherein the plurality of second electrodes are spaced from each other, and the plurality of first electrodes in the plurality of electron emission units are spaced from each other.
An electron emission display, comprising:
- a substrate;
- an electron emission device on the substrate, wherein the electron emission device comprises:
- a plurality of electron emission units spaced from each other, wherein each of the plurality of electron emission units comprises:
- a first electrode;
- a semiconductor layer located on and electrically connected to the first electrode;
- an electron collection layer located on the semiconductor layer, wherein the electron collection layer is a conductive layer;
- an insulating layer located on the electron collection layer;
- and
- a second electrode located on the insulating layer;
- an anode structure spaced from the electron emission device, wherein the anode structure comprises an anode and a phosphor layer coated on the anode, and the phosphor layer faces to the electron emission device.
Dependencies are inferred from the claim text.