Image refreshing method of display screen in equipment and equipment with display screen

Abstract

The invention discloses an image refreshing method of a display screen in equipment and equipment with the display screen. The equipment comprises a control unit used for receiving an image, transmitting the image to a cache and refreshing the display screen by using the image in the cache. The reception of the image by the control unit is continuous. A period of an image corresponding to an odd row in N rows of each frame of image of the control unit is T1, and a period of an image corresponding to an even row in N rows of each frame of image of the control unit is T2. The image refreshing method comprises the steps of converting an image corresponding to an odd row in N rows of the image received in a recent T1 into a first image with the same row number of the display interface of the display screen in each T2, transmitting the first to the cache, and refreshing the display screen by using the first image. According to the image refreshing method and the equipment, a fact that an image without noise pollution is used by the display screen to carry out a refreshing operation is ensured, and the method and the equipment have the advantages of simple operation and clear visual display effect of the image displayed on the display screen.

Description

technical field [0001] The invention relates to an image refreshing method and equipment, in particular to an image refreshing method for a display screen in the equipment and the equipment with the display screen. Background technique [0002] At present, more and more handheld devices such as mobile phones have the function of analog TV, so that people can watch TV anytime and anywhere. The current TV signal standards include three categories: PAL (Pal system, a progressive phase-inverted quadrature balanced amplitude modulation TV broadcast system), NTSC (color TV broadcast standard specified by the National Television Standards Committee of the United States), SECAM (sequential Transmission color signal and storage recovery color signal system), each of which contains some small subcategories in each large standard, for example, PAL contains PAL_B, PAL_D, PAL_K, PAL_M (these four types represent different PAL systems) Wait. The color TV analog TV signal consists of thr...

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to overcome the defect that the image refresh method in the prior art will make the image displayed on the display screen blurred, streaked, or even deformed, which will seriously affect the viewing effect of the user. An image refreshing method for a display screen in a device and a device with a display screen. The present invention has the function of only displaying images composed of all odd or even lines of a received image, ensuring that the display screen is utilized without being disturbed by noise. Refresh the polluted image, which has the advantages of reducing operation steps, simple operation, and the visual effect of the image displayed on the display screen is very clear

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