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Method and apparatus for controlling initialization in plasma display panel

A display panel and control method technology, applied in the direction of identification device, static indicator, color TV parts, etc., can solve the problem of addressing cycle or maintenance cycle compression, etc., to improve contrast ratio, reduce light radiation, and shorten reset cycle effect

Inactive Publication Date: 2005-05-18
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0020] In addition, the PDP has a problem that the address period or the sustain period is compressed to as many as the reset period because the reset period is allocated to each subfield

Method used

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  • Method and apparatus for controlling initialization in plasma display panel
  • Method and apparatus for controlling initialization in plasma display panel
  • Method and apparatus for controlling initialization in plasma display panel

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Embodiment Construction

[0044] Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0045] The PDP initialization control method according to the first embodiment of the present invention includes the step of: time-dividing the frame period into a plurality of subfields, wherein the subfield can shorten the initialization signal for initialization discharge, or can control the initialization according to the average luminosity of the input image voltage of the signal; and increasing the number of subfields shortening the initialization signal or increasing the number of subfields with a low initialization signal voltage when the average luminosity of the input image is lower than the average luminosity of the previous input image.

[0046] According to the initialization control method of the PDP of the second embodiment of the present invention, it includes the step of: time-dividing the frame period into a plurality of s...

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Abstract

The present invention relates to plasma display panels, and more particularly to methods and apparatus for controlling initialization in plasma display panels. The method and apparatus for controlling initialization in a plasma display panel according to the present invention include time-dividing the frame period into a plurality of subfields, wherein the subfield can shorten the initialization signal for initialization discharge, or can be controlled according to the average luminosity of the input image The voltage of the initialization signal; when the average luminosity of the input image is lower than that of the previous input image, increasing the number of subfields shortening the initialization signal or increasing the number of subfields with a low initialization signal voltage.

Description

[0001] This non-provisional application claims priority under 35 U.S.C. 119(a) to Patent Application No. 10-2003-0079783 filed in Korea on November 12, 2003, the entire contents of which are incorporated herein by reference. technical field [0002] The present invention relates to plasma display panels, and more particularly, to methods and apparatus for controlling initialization of plasma display panels. Background technique [0003] A plasma display panel (hereinafter, referred to as 'PDP') is adapted to display images with ultraviolet radiation fluorescent materials generated during discharge of an inert gas mixture such as He+Xe, Ne+Xe. [0004] Such a PDP can be made thin and large, and can provide greatly improved image quality, compared to a CRT (Cathode Ray Tube), which is a main display device. [0005] figure 1 is a schematic plan view of a conventional plasma display panel. figure 2 is shown in detail as figure 1 A perspective view of a conventional cell str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/66G09F9/313G09G3/20G09G3/28G09G3/288G09G3/291G09G3/292G09G3/298
CPCG09G3/2022G09G3/2927G09G3/298G09G2310/061G09G2310/066G09G2320/0238G09G2320/066G09G2360/16G09G3/292G09G3/296
Inventor 姜成昊尹相辰
Owner LG ELECTRONICS INC