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Driving method for color plasma display screen for saving frame storage content

A technology of plasma display screen and frame memory, which is applied to instruments, static indicators, cathode ray tube indicators, etc., can solve problems such as increasing the circuit cost of color plasma display screen, and achieve the effect of reducing quantity and cost

Inactive Publication Date: 2008-01-16
四川世纪双虹显示器件份有限公司
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Using two sets of frame memories obviously increases the cost of the color plasma display circuit

Method used

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  • Driving method for color plasma display screen for saving frame storage content

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0011] Referring to Fig. 1, the display method of the present invention is to divide the time of displaying each frame of image into equal time periods to the number of display rows, each time period is an addressing period, or a maintenance period, where the resolution 852×480, and each frame of image adopts 8 subfields to realize 256 levels of gray levels, so that the time of 16.67ms of each frame except the reset period is divided into 480 time segments on average, and each subfield of the display method of the present invention The start and end times of a field in different display lines are different. Here, each time a line is moved down, the start and end times of the same subfield are moved back one time period in turn. Therefore, the addressing period of a row may be the display period of the next row, see Figure 2, for a row to be addressed within a...

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Abstract

The color plasma display screen driving method with saving in frame storage capacity includes the first dividing the time for displaying one frame of image into time sections in the same number as the display lines, with each of the time section being corresponding to one addressing or holding stage; determining the addressing pulse number for each addressing stage the same as the number of sub-fields in each image frame; forming one straight line of slope -1 from the upper left corner to the lower right corner of the screen to obtain the data of first sub-field with the straight line passed line, rightwards shifting the time section of the first sub-field to obtain the second sub-field data, and so on to obtain the straight lines of all the sub-fields. During displaying, the data of one line is addressed while the data of the continuous new line are stored to the read out memory space. By means of the reasonable distribution of the sub-field display mode, only one set of frame memory is used in continuous image display in low cost.

Description

technical field [0001] The invention relates to a driving control and image display method of a color plasma display screen, in particular to a driving method of a color plasma display screen which saves the capacity of a frame memory. Background technique [0002] The color plasma display adopts the sub-field method to realize the multi-level grayscale display of the image. One frame of image time is divided into multiple sub-fields, and each sub-field is assigned different weights, corresponding to different gray levels. Combined to realize the multi-level grayscale display of the image. Due to its unique sub-field display mode, the color plasma display cannot directly display the received TV signal data in the original format. When the image data of the first line appears, the subsequent image data does not appear, and at this time it is necessary to display the entire The first subfield data of the frame image data, so in the color plasma display screen, when displaying...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/28G09G3/20G09G5/39H01J17/49G09F9/313G09G3/288
Inventor 尤剑鸣刘海峰
Owner 四川世纪双虹显示器件份有限公司
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