Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2005-04-21
2008-12-09
Dharia, Prabodh M. (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S062000, C345S063000, C345S065000, C345S067000
Reexamination Certificate
active
07463220
ABSTRACT:
A plasma display device and a method of driving a plasma display panel are provided for improving the contrast without degrading the image quality. Each of display cells formed on the plasma display panel has a magnesium oxide layer containing magnesium oxide crystals. The magnesium oxide crystals are excited by an electron beam irradiated thereto and emit cathode luminescence light having a peak in a wavelength range of 200 to 300 nm. In order to trigger a rest discharge in all the display cells, each row electrode pair of the plasma display panel is applied with a reset pulse which has a particular pulse waveform. The voltage value of this reset pulse slowly changes over time to reach a peak voltage value.
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European Office Action dated Oct. 11, 2007 issued in co-pending European Application No. 05 008 286.6.
Hirota Atsushi
Lin Hai
Nishimura Masaru
Sakata Kazuaki
Tokunaga Tsutomu
Dharia Prabodh M.
Pioneer Corporation
Sughrue & Mion, PLLC
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