The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2012
Filed:
Nov. 12, 2008
Naoki Itokawa, Yokohama, JP;
Katsumi Ito, Yokohama, JP;
Masaki Kimura, Yokohama, JP;
Junichi Kumagai, Yokohama, JP;
Yasunobu Hashimoto, Kawasaki, JP;
Tomokatsu Kishi, Yokosuka, JP;
Naoki Itokawa, Yokohama, JP;
Katsumi Ito, Yokohama, JP;
Masaki Kimura, Yokohama, JP;
Junichi Kumagai, Yokohama, JP;
Yasunobu Hashimoto, Kawasaki, JP;
Tomokatsu Kishi, Yokosuka, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Sustain pulses are alternately applied to a pair of display electrodes of discharge cells provided in a plasma display panel (PDP) to generate a sustain discharge to display an image on the PDP. The sustain pulses include two-crests discharge voltage waveforms having a first maximum and second maximum values, in which discharges are generated twice in a half cycle. After applying a sustain pulse having a one-crest discharge voltage waveform to a pair of display electrodes, a predetermined number of sustain pulses of two-crests discharge voltage waveforms are consecutively applied. A time, from applying a second sustain pulse of a two-crests discharge voltage waveform to clamping a voltage of the second sustain pulse to the second maximum value, is made longer than a time, from applying a first sustain pulse of a two-crests discharge voltage waveform to clamping a voltage of the first sustain pulse to the second maximum value.