Control method for AC gas discharge display screen

A control method and gas discharge technology, applied in static indicators, instruments, etc., can solve the problems of increased control pulse voltage and deterioration of image contrast.

Inactive Publication Date: 2004-09-29
四川世纪双虹显示器件份有限公司
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

Because in the ready-to-work state, the formation of several full-screen write pulses and erase pulses and the discharge formed during these pulses deteriorate the contrast of the image, and in the erase state, supplementary erase is used simultaneously with the positive polarity pulse pulse, which during addressing causes an increase in the voltage of the control pulse during information addressing

Method used

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  • Control method for AC gas discharge display screen
  • Control method for AC gas discharge display screen
  • Control method for AC gas discharge display screen

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Embodiment Construction

[0015] In order to understand the present invention more clearly, the present invention will be further described in detail in conjunction with specific examples below.

[0016] figure 1 Shown is a sketch of the AC gas discharge display screen, which is composed of image units 1, each image unit contains scanning display electrodes 2 and common display electrodes 3 parallel to it, coplanar and grouped and arranged in pairs, and the electrodes are placed on The upper glass substrate 4 is covered with a transparent medium layer 5, and the addressing electrodes 6 are placed on the lower glass substrate 7, between the separating dielectric barriers 8, and the barriers are coated with red light R, green light G, or blue light Phosphor powder 9 of B, the addressing electrode has the lead-in line 10 that is used to be connected with the control pulse power supply, and the scanning electrode has the lead-in line 11 that is connected with the pulse voltage power supply, and for all ima...

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Abstract

The present invention discloses a control method for AC gas discharge display screen. Before entering the stand-by state and after entering the stand-by staet, erasing is performed so that the pulse number is decreased during the stand-by state to raise the contrast of image. During the display state and while adding the first pulse to the scanning display electrode to maintain discharge, accessory pulse is applied to the common display electrode to raise the control reliability of the display screen.

Description

technical field [0001] The invention belongs to the technical field of gas discharge, and in particular relates to a control method of an AC gas discharge display screen, which can be used in a display system containing an AC gas discharge display screen (PDP), including a color TV video module and a spliced ​​display screen. Background technique [0002] According to the literature search conducted by the applicant, the prior art materials related or close to this patent application include the following: [0003] 1. Known a kind of alternating gas discharge display screen (PDP) with parallel, coplanar and grouped scanning display electrodes (selectable display electrodes) and common display electrodes and addressing electrodes perpendicular to the display electrodes control method. This method includes: adding a control pulse and a discharge sustaining pulse to the electrode during the half-selected addressing working state, the full-selecting addressing working state and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/288G09G3/292
Inventor 郭彩林张军曹瑞林A·N·依弗留什金N·N·列维娜V·G·薩马洛托夫
Owner 四川世纪双虹显示器件份有限公司
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