Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent
1994-04-04
1997-08-05
Brinich, Stephen
Electric lamp and discharge devices
With luminescent solid or liquid material
Vacuum-type tube
H01V 162
Patent
active
056546076
ABSTRACT:
A color display device has an evacuated vessel accommodating at least an electron-beam generating source in which a plurality of surface-conduction electron emitting devices are arrayed on a substrate, and phosphors for the three primary colors red, green and blue for emitting light in response to being irradiated with electron beams from the electron-beam generating source. A modulator is provided to modulate the electron beams, which irradiate the phosphors, based upon an image signal, the modulator having .gamma.-corrector for subjecting the image signal to a gamma correction. The modulator modulates the electron beams based upon the image signal corrected in advance by the .gamma.-corrector.
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Isono Aoji
Osada Yoshiyuki
Suzuki Hidetoshi
Suzuki Noritake
Takeda Toshihiko
Brinich Stephen
Canon Kabushiki Kaisha
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