Appeal No. 97-2457 Page 2
Application No. 08/366,376
BACKGROUND
The appellants’ invention is a flat-panel display device.
The device comprises a first, i.e., a base, substrate 1, a
front panel 2, and side walls 3. The base substrate 1
supports a plurality of second substrates 4 on which electron
emitters 13 and a cathode electrode 6 are formed. Inside of
the front panel 2, an anode electrode 7 is formed on
fluorescent film 5, which is in turn formed on the inner
surface of front panel 2. The interior space surrounded by
the base substrate 1, front panel 2, and side walls 3 forms a
vacuum region.
When an appropriate voltage is applied between the anode
7 and cathode 6, the electron emitters 13 emit electrons. The
emitted electrons are accelerated toward the anode 7. After
passing through the anode 7, the electrons strike the
fluorescent film 5 causing the film 5 to emit light.
The invention is designed to facilitate manufacture of a
large-sized display. To make such a large display, a
manufacturer increases the number of second substrates 4.
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Last modified: November 3, 2007