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Par Anonyme, le 13.12.2012
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Par Jack, le 10.08.2012
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Par robert87300, le 26.06.2012
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Par robert87300, le 15.01.2012
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Par ztlights, le 14.09.2011
· The LED display principle
· electronic led display problems and solutions
· A practical LED screens display circuit design
· LED Tube-in production by ERALIGHT in shenzhen china
· LED Lamp built-in fan cooling technology is introduced
· LED display structure
· led llighting power factor correction
· The future development trend of led display technology
· A based on CPLD LED display control
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· LED display common fault handling methods
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· IAP technology based on single chip LED display
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Date de création : 21.03.2011
Dernière mise à jour :
16.06.2016
712 articles
LED display in the TV studio and televised events are increasingly being used, then the process of using the LED display screen the TV screen effect is very different, and some colorful picture from start to finish, clear and stable; when some vision Screen underestimate unclear ...... This would be our LED display selection and use of the process should pay attention to the following aspects:
1 shooting distance to the right
As previously about pitch and fill factor mentioned, different spacing, different fill factor of the LED screen, suitable shooting distance is not the same. Dot pitch of 4.25 mm, filling factor of 60% of the LED display, for example, was shot distance between the characters and the screen at 4-10 m more appropriate, so that you can get when photographing people relatively good background screen. If the characters off-screen too close, close-range shooting, the background will appear grainy, but also prone to moire.
2 point spacing as small as possible
LED display screen dot pitch is the distance between the centers of adjacent pixels. The smaller the dot pitch, the more pixels per unit area, the higher the resolution, the closer shooting distance can, of course, its price is also more expensive. Currently television studio use LED screen multi-point spacing of 6-8 mm, to seriously study the signal source's resolution and spacing between and strive to achieve the same resolution, to point display, enabling the best results.
3 color temperature can be adjusted
Studio use LED display as the background, the color temperature should be consistent with the studio lighting color temperature in order to get in shooting accurate color reproduction. Studio lights according to the program requirements, low color temperature 3200K lamps are sometimes used, sometimes with a high color temperature 5600K lamps, LED display screen need to adjust to the appropriate color temperature, to obtain the desired result.
4 to ensure a good use of the environment
LED display screen with working life and stability are closely related to temperature. If the actual temperature exceeds specified scope of use of the product, not only will shorten its life, the product itself will be seriously damaged. In addition, the threat of dust can not be ignored. Too much dust will fall even led display thermal stability of leakage, can cause severe burn; dust will absorb moisture, which corrode electronic circuits, resulting in a number of difficult investigation of the short-circuit problem, so pay attention to keep the studio clean .
Therefore, use in a television program led display, led us to choose the right display, in-depth understanding of their characteristics, for different studio conditions and requirements of the program to choose the form of technology products as a background, so that these new technologies to maximize play to their strengths. Li Xiang Hui Branch is a professional led display manufacturer, has over 20 years experience in television led display applications, has many success stories, deeply welcomed by the market.
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