Tiananmen square is the replacement of Yinju landscape screen

The 60 anniversary of the National Day celebrations, stands on a big screen in the monument to the people's Heroes on both sides of things to the people left a deep memory. Reporters learned yesterday, originally for the temporary facilities of the two largest square display, will be transformed into a fixed facility to become an important landscape of Tiananmen square, the screen will further enhance the clarity.

It looks like a mirror of the LED giant screen, in fact, composed of hundreds of thousands of light-emitting diodes, through the computer system to control the brightness and color to display the screen. Last year, during the national day, Tiananmen square, a temporary set of four LED display, used to play high-definition background pictures and parade, mass demonstrations and National Day Gala live. Since then, close to Chang'an Avenue's two smaller LED screen was removed, and the central square of the two square meters of giant screen has been able to retain 250, gorgeous, realistic picture attracted numerous tourists posed for pictures.

Yesterday, the workers are in front of the Tiananmen square LED display construction

These two screens initially prepared to lease for three years, on May Day, national day and other important festivals temporarily placed in Tiananmen square. Due to the good playback effect, enrich the landscape of Tiananmen square, the relevant departments decided to hold the giant screen as a long-term fixed facilities. Involved in the giant screen installation and maintenance of Tiananmen technicians revealed. These days, two giant screens have been built around the block up, large cranes will be removed the old screen, replacing the higher resolution of the new screen, the bottom of the giant screen will also be installed on the ground fixed bracket.

Compared to people familiar with the LCD screen, LED display is not only saving about 50%, but also produced a huge screen area. At present, the world's leading LCD technology is the largest screen 108 inches, equivalent to only about 3.2 square meters. Tiananmen square, a huge display, the size of 50 meters long, a height of 5 meters, after the replacement of the new screen, pixel spacing will be compressed from 16 mm to 12 mm, the picture is more vivid.

Although these two giant screen 10: 1 ratio of the screen and the general display of 4: 3 or 16: the ratio of the difference is very large, but the image does not play any deformation. According to reports, the images are displayed on the screen high-definition video image specially made, the equivalent film clarity, post-processing sources also consider 10 to 1 show the ratio of the special requirements of play. At the same time, complete localization of screen technology reached the international first-class level, each of the light emitting point brightness and chromaticity can be adjusted by the current agreement, not only to eliminate the mosaic phenomenon, but also to ensure that the entire screen exquisite natural image.