Method for controlling image display

A technology of image display and image, used in static indicators, cathode ray tube indicators, instruments, etc.

Active Publication Date: 2015-08-05
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Abstract
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Problems solved by technology

When the TFT-LCD display panel displays the same static picture for a long time, the liquid crystal is polarized due to long-term driving, which causes the liquid crystal molecules to not rotate normally under the control of the signal voltage

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Embodiment Construction

[0027] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment of the present invention can be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.

[0028] Afterimage is also called image sticking, which is a phenomenon in which the same still picture is displayed for a long time, and the previous picture remains after changing the displayed content. In all LCD monitors, there is a problem of image retention to a lesser or greater degree.

[0029] Such as figure 1 Shown is the schematic diagram of the afterimage generation of the liquid crystal display ...

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Abstract

The invention discloses a method for controlling image display. The method comprises: determining whether static images occur; when a static image occurs, obtaining practical gray level of each pixel in the static image, and generating multiple output gray levels corresponding to the practical gray level; using the output gray levels to alternatively replace the practical gray level to form dynamic image output. Through combining spatial domain and time domain, the method controls image display, the method processes the static image to dynamic image and output the dynamic image, so as to solve a problem of residual images of the static images.

Description

technical field [0001] The invention relates to the field of liquid crystal display technology, in particular to a method for controlling image display in a liquid crystal display device. Background technique [0002] With the development of TFT-LCD (Thin Film Transistor-Liquid Crystal Display) in the direction of high color gamut, low color shift, and high resolution, there are higher requirements for the reliability of TFT-LCD products. When the TFT-LCD display panel displays the same static picture for a long time, the liquid crystal is polarized due to the long-time drive, which causes the liquid crystal molecules to not rotate normally under the control of the signal voltage. After changing the display content of the picture for a period of time, the traces of the previous static picture can still be seen, that is, the afterimage of the previous static picture is left. Contents of the invention [0003] To solve the above problems, the present invention provides an i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G5/10
CPCG09G3/36G09G3/2022G09G3/2081G09G2320/103G09G2320/0257G09G3/3607G09G2320/0295G09G2320/0626
Inventor 陈宥烨赵文勤
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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