Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Low workfunction layer for electron emission
Reexamination Certificate
2006-03-21
2006-03-21
Crane, Sara (Department: 2811)
Active solid-state devices (e.g., transistors, solid-state diode
Thin active physical layer which is
Low workfunction layer for electron emission
C313S310000
Reexamination Certificate
active
07015496
ABSTRACT:
It is an object to provide techniques for forming a field emission device of a field emission display device with the use of an inexpensive large-sized substrate according to the process that enables improving productivity.A field emission device according to the present invention includes a cathode electrode formed on an insulating surface of a substrate and a convex electron emission portion formed at a surface of the cathode electrode, and the cathode electrode and the electron emission portion include the same semiconductor film. The electron emission portion has a conical shape or a whiskers shape.
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Nemoto Yukie
Ohnuma Hideto
Costellia Jeffrey
Crane Sara
Semiconductor Energy Laboratory Co,. Ltd.
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