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Subfield arrangement for decreasing dynamic pseudo-profile

A pseudo-contour and sub-field technology, which is applied in the direction of static indicators, instruments, identification devices, etc., can solve the problem of low display brightness and achieve the effects of reducing overall, improving motion pseudo-contour, and reducing the effect

Inactive Publication Date: 2011-09-14
SHENZHEN TCL IND RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The more the number of subfields increases, the better the effect of false contour reduction, but the increase in the number of subfields is inversely proportional to the duty cycle of the light-emitting display, which is also limited, that is, the more the number of subfields, the lower the display brightness

Method used

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  • Subfield arrangement for decreasing dynamic pseudo-profile
  • Subfield arrangement for decreasing dynamic pseudo-profile
  • Subfield arrangement for decreasing dynamic pseudo-profile

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Embodiment Construction

[0017] Embodiment 1 of the present invention will be described in detail below in conjunction with the accompanying drawings, please refer to figure 2 , this embodiment is described by taking 256-level grayscale display as an example.

[0018] Firstly, the improved sub-field configuration in the present invention will be described. The weight relationship of the 8 subfields in conventional 256-level gray scale display is expressed as: SF1:SF2:SF3:SF4:SF5:SF6:SF7:SF8=1:2:4:8:16:32:64:128. In this embodiment, the odd frame adopts the conventional subfield composition method, and the even frame subfield composition method is to add a subfield with a weight of 1 at the end of the subfield with a lower weight on the basis of the conventional 8 subfields. Indicated by SFO, that is, the subfield composition of the new even frame is SFO:SF1:SF2:SF3:SF4:SF5:SF6:SF7:SF8=1:1:2:4:8:16:32:64:128.

[0019] By improving the composition of sub-fields, two adjacent frames have different mot...

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Abstract

A method for decreasing motion pseudo-outline by varying arrangement of subfield includes forming a display cycle by integrating at least two frames, adding a subfield with low and different weight on each frame in said display cycle to form a cycle subfield arrangement mode for making open wire pseudo-outline in the same grey scale at each frame of the same display cycle only occur on a certain frame in said cycle but not occur on the other frames.

Description

technical field [0001] The invention relates to a method for realizing multi-level grayscale display of images on a flat-panel display in a subfield display mode, in particular to a subfield arrangement method capable of reducing dynamic false contours generated during multi-level grayscale display of images. Background technique [0002] Some flat-panel displays, such as plasma displays (PDP), etc., usually divide a frame of image into multiple subfields for display, and different subfields have brightness with different weights, and the combination of subfields with different weights can realize the multi-level gray of the image degree display. For example, in order to achieve 256-level grayscale, an AC plasma display usually divides a frame of image into 8 subfields (subfield: English is Subfield, abbreviated as SFa SF1 to represent the first subfield, and so on), the weight relationship of subfield brightness It is: SF1:SF2:SF3:SF4:SF5:SF6:SF7:SF8=1:2:4:8:16:32:64:128. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/288G09G3/20G09G3/28G09F9/313H01J17/49
Inventor 王晖
Owner SHENZHEN TCL IND RES INST