Field emission cathode device and display using the same
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsHAI-YAN HAO, PENG LIU, JIE TANG, YANG WEI, LIANG LIU, KAI-LI JIANG, SHOU-SHAN FAN
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Abstract
A field emission cathode device includes an insulative substrate, a plurality of cathode electrodes, and a plurality of electron emission units. The insulative substrate has a top surface and a bottom surface. The insulative substrate defines a plurality of openings. The cathode electrodes are located on the bottom surface. Each of the electron emission units has a first portion secured between the insulative substrate and one corresponding cathode electrode and a second portion received in one corresponding opening.
Claims20
A field emission cathode device, comprising:
- an insulative substrate having a top surface and a bottom surface, and the insulative substrate defining a plurality of openings;
- a plurality of cathode electrodes attached to the bottom surface;
- and
- a plurality of electron emission units each having a first portion, secured between the insulative substrate and one corresponding cathode electrode, and a second portion received in one corresponding opening.
A field emission cathode device, comprising:
- an insulative substrate having a top surface and a bottom surface, and the insulative substrate defining a plurality of openings;
- a plurality of cathode electrodes located on the bottom surface;
- a plurality of gate electrodes located on the top surface;
- and
- a plurality of electron emission units, and each of the plurality of electron emission units comprising at least one linear carbon nanotube structure;
- the at least one linear carbon nanotube structure comprises a fixing portion fixed between the insulative substrate and one corresponding cathode electrode, and a field emission portion received in one corresponding opening.
A display, comprising:
- a cathode substrate, an anode substrate, a field emission cathode device, and a field emission anode device;
- wherein the field emission cathode device comprises:
- an insulative substrate having a top surface and a bottom surface, and the insulative substrate defining a plurality of openings;
- a plurality of cathode electrodes attached to the bottom surface;
- and
- a plurality of electron emission units each having a first portion, secured between the insulative substrate and one corresponding cathode electrode, and a second portion received in one corresponding opening.
Dependencies are inferred from the claim text.