A liquid crystal display capable of eliminating blurring of moving images
A liquid crystal display and moving image technology, applied in the direction of static indicators, instruments, etc., can solve the problems of low resolution, high price, unsatisfactory display volume, fine image, low price, etc., to achieve the elimination of moving image blur, simple structure, Clear and no afterimage display effect
Active Publication Date: 2016-05-11
ZHONGDUNANMIN ANALYSIS TECH CO LTD BEIJING +1
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Problems solved by technology
Among them, the area of the plasma display is too large, the resolution is low, and the price is still high so far, which cannot meet the requirements of security inspection, food inspection and other equipment for small size, fine image and low price.
However, the emerging OLED (Organic Light Emitting Diode) display is troubled by technology, cost, etc., and the area of practical products is too small, which can only be used in mobile phones and tablet computers. Products suitable for ordinary personal computers are still in the research and development stage
Method used
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[0029] Combine below Figure 1-4 And embodiment, technical solution of the present invention is described further.
[0030] As we all know, a conventional liquid crystal display is mainly composed of a liquid crystal panel, a backlight source, a display driver module, a backlight control module, a button panel, and a power supply. The present invention only needs to redesign the backlight control module, without modifying other parts, so as to achieve the purpose of eliminating the blurring of moving images in the horizontal direction. The basic principle is: the backlight control module delays each field sync pulse 5 in the received video signal for a period of time (denoted as T delay ), trigger a backlight lighting pulse 6, let the backlight in a field period (denoted as T vsync ) only light up for a short time (denoted as T on ),like figure 2Shown is the timing relationship between the field sync pulse 5 and the backlight lighting pulse 6 . Obviously, the proportion ...
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The invention relates to a liquid crystal display capable of eliminating motion image blurring. The liquid crystal display comprises a liquid crystal panel backlight source, a display driving module, a backlight control module, a key panel, a power supply and the like, wherein the backlight control module consists of a delay circuit, a pulse broadening circuit and a power driving circuit. A field synchronization pulse in a video signal is sent into the delay circuit, delayed by the time Tdelay, and then broadened by the pulse broadening circuit into a backlight lightening pulse with the width of Ton. The power driving circuit is used for lightening the liquid crystal panel backlight source when the backlight lightening pulse is effective. A light control signal coming from the key panel of the display is used for adjusting the brightness of the liquid crystal panel backlight source. the lightening time of the liquid crystal panel backlight source is only Ton / Tvsync that of a common display, the average power of the liquid crystal panel backlight source is not increased, no additional radiation design is not required, and the structure is simple. All light emitting components constituting the liquid crystal panel backlight source are still lightened and gone out entirely, and are not needed to be separately controlled.
Description
technical field [0001] The invention relates to the field of image display, in particular to a liquid crystal display capable of eliminating blurring of moving image display, which can be applied to various fields requiring clear display of moving images, such as security inspection equipment, food testing equipment, subtitle machines, and dynamic information release screens. Background technique [0002] LCD monitors are the most mainstream display devices on the market today. Since its inception, although with the advancement of technology, liquid crystal displays have become increasingly perfect in terms of screen size, spatial resolution, color fidelity, viewing angle, etc., but the unique blurring problem when displaying moving images has always troubled manufacturers. and users, limiting its application in occasions where moving images need to be displayed clearly. Studies have shown that the unique image display and switching methods of liquid crystal displays are th...
Claims
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IPC IPC(8): G09G3/34G09G3/36
Inventor 廖建新赵磊陈力李永清
Owner ZHONGDUNANMIN ANALYSIS TECH CO LTD BEIJING