Let the led display shows more clearly several skills

by:GKGD     2020-05-02
Led display can be divided into a lot of kinds, such as: the led unit board, single color led display, double color led display, print screen, full-color led display, etc. If the led display shows the effect is not more clear, will directly affect the overall effect of the led display. So how do we make the led display shows more clear, easy let shenzhen led display experts to support a move for everybody. Full color led display of gray levels, contrast, refresh rate and other technical indicators of high and low directly affect the display of full-color led display effect. 1, the grey scale. Grey scale refers to the led display from the darkest to the brightest in the single color brightness can distinguish between the brightness of the series, led display gray level is higher, the color is rich, colour is gorgeous; On the other hand, according to a single color, simple changes. Grey level enhancement, can greatly enhance the color depth, making image color shows an geometric increase in the number of levels. Led gray-scale control level for 14 bit to 16 bit, make high-end display images of the product level resolution details and results have reached the world advanced level. With the development of hardware technology, led to grayscale will continuously to a higher control precision. 2, contrast enhancement. Contrast is one of the key factors affecting the visual effects, generally the higher the contrast, the clearer image, strong color more gorgeous. High contrast for image clarity, details of performance, the gray level are of great help. In some black and white contrast is larger in the text, video display, high contrast led display in black and white contrast, clarity, integrity, has the advantage. Contrast for dynamic video display effects to be bigger, because of the dynamic image of light and shade change is faster, the higher the contrast, the easier the eyes distinguish the conversion process. Two main techniques to improve the display contrast: ( 1) Improve the led display brightness. Led display brightness in certain situations, not the higher the better. Indoor display, for example, if the brightness is too high, the formation of light pollution, harm the observer's vision. ( 2) Reduce the led display surface reflectance. Mainly in the led panel and led tube for special craft processing, reduce the reflectance of led panel, led display contrast is increased. NX series point spacing is 4 mm, full-color led display, from the original process of 950:1 to 4000:1, make the product in contrast has a great improvement on this key indicator.
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