April 25, 2024

Expo cold light lights Yangzhou green lighting road

Watching the Expo Garden in the evening is more feasting than the daytime. The Expo Park at night is more like a dreamland, especially the Expo Axis and the Sunshine Valley. It is full of brilliance and beauty. The Chinese National Pavilion next to it looks more eye-catching than the daytime. The effect is to outline the "eastern crown" stalwart body that rises in the middle and cascades out...

The Expo Park uses more than 1 billion LED particles

It is a special kind of lighting device that gives us such a beautiful view. If the visitor is close to these lights, it can be seen that this is composed of individual luminescent particles. If you touch it by hand, you can't feel the temperature of the incandescent lamp.

This kind of lighting equipment is LED (Light Emitting Diode), an industry that Yangzhou is striving to build.

After Edison invented the incandescent lamp, the principle of illumination and illumination has always been heating and illuminating. There is no revolutionary breakthrough, and there is no essential difference between burning a bunch of bonfire lighting in the wild. Until 1933, a Japanese company that produced phosphors and fluorescent lamps developed high-brightness blue light-emitting diodes, and the visible light of seven colors merged to reveal white light. This technology also achieved breakthroughs.

This kind of illumination product produced by exciting fluorescence does not need to convert extra energy into heat, so it can save more than 60% of electricity, and can be made into particles, which has a long life and is suitable for almost all environments.

At the opening of the World Expo, relevant people introduced that the stadiums and streets in the Expo site used a total of 150,000 energy-saving and environmentally-friendly LEDs (light-emitting diodes), which, if calculated by illuminating particles, exceeded 1 billion.

Yangzhou LED Legion's racing gun

For Yangzhou LED manufacturers, the extensive use of LED lighting in the Expo Park not only brings brilliant colors, but also marks that the green lighting market is slowly opening, especially in the context of current energy conservation and emission reduction.

Ford Optoelectronics, the local company of Yangzhou, was the first beneficiary of the Expo. The products were selected as the outdoor landscape lights of the Expo. In the development zone, a Taiwan-funded enterprise called Shunmao Optoelectronics produced backlights was expanding along another path. LED application range.

At the company's doorstep, two display screens are displayed, one with LED as the backlight and the other with the traditional CCFL backlight. For the visitors, the LED display is more beautiful.

Last year, Emgrand Electronics (Yangzhou) Co., Ltd., which also developed in the development zone, produced LED LCD TVs and put them into mass production, which was successfully launched in the US market.

Compared with plasma displays and liquid crystal displays, LED backlights provide a brighter, more uniform light source that solves the problem of uneven brightness.

The LED lighting industry is a highly subdivided and highly coordinated industrial chain. Under the bright future of the LED lighting industry, Yangzhou enterprises are making great progress.

OLED - the terminator of LED

However, the LED display technology, which is in the limelight, has also ushered in its own challenger, OLED display technology.

Shortly after the opening of the Expo, in the global youth technology innovation tour pavilion on the Huangpu River, Japan's Sony and Germany's Merck showcased the latest OLED display technology, OLED notebook computers, which can be rolled into a shaft when not in use. On the screen, half of the space can be virtualized as a keyboard, or all of them can form a tablet touch computer.

Using this technique, the MP4 can be rolled into a wristband. In the Japan Pavilion, which is leading the technology in the Expo Park, all OLED lighting is used.

According to industry insiders, traditional LEDs use inorganic compounds, while OLEDs use plastic organic molecules as luminescent materials, and the particles are smaller and invisible to the naked eye. More critically, the OLED itself can emit light, does not require a backlight, uses different substrate materials, and has curlable physical properties.

However, as a new technology, there are still many technical problems that need to be improved, such as short life span and poor oxygen barrier.

It is understood that Yangzhou has already targeted the technology and has done a lot of homework. Yangnong Chemical has started research on OLED technology and has entered the trial phase.

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