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Patent Searching and Data


Title:
プラズマ表示装置
Document Type and Number:
Japanese Patent JP4694670
Kind Code:
B2
Abstract:
A display apparatus has a clock generating circuit, a drive waveform generating circuit, and a display panel. The drive waveform generating circuit is used to generate a drive waveform by using a clock from the clock generating circuit, and the display panel is used to display an image in accordance with the drive waveform. The clock generating circuit generates a clock whose frequency varies continuously. The drive waveform generating circuit drives the display panel by outputting a drive waveform whose frequency varies in accordance with the frequency varying clock so as to spread out noise that the display panel emits. Therefore, peak values of the noise can be reduced.

Inventors:
Hiroyuki Shibata
Murayasu Yoshiro
Satoshi Watanabe
Application Number:
JP2000099149A
Publication Date:
June 08, 2011
Filing Date:
March 31, 2000
Export Citation:
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Assignee:
株式会社日立製作所
日立プラズマディスプレイ株式会社
International Classes:
G09G3/296; G09G3/20; G09G3/288; G09G3/291; G09G3/298; G09G5/18; G09G5/36
Domestic Patent References:
JP10149136A
JP11352917A
JP10207422A
JP11352916A
JP11338416A
JP11284579A
JP2001007891A
JP2000338932A
JP7248744A
JP2001125542A
JP9179520A
Attorney, Agent or Firm:
Kenji Doi
Hayashi Tsunetoku