Revolution and challenge of domestic semiconductor lighting market

Semiconductor lighting, also called LED, is a semiconductor light emitting diode. In 1962 with the first semiconductor light emitting diode was born, a small volume, long service life, new lighting safety low voltage, energy saving and environmental protection into the scientist's view. They believe that this new type of solid-state lighting (including two types of semiconductor lighting and solid light-emitting materials lighting, which is currently slow progress) is bound to bring the field of human lighting the third revolution.

Semiconductor lighting, has penetrated into all aspects of people's lives. People's daily use of mobile phones, computers, digital cameras, cars, there are semiconductor lighting figure. In the urban landscape lighting, instrumentation instructions, semiconductor lighting is widely used. For example, the famous Oriental Pearl TV Tower in Shanghai in the night, the night light decoration, with the semiconductor lighting.

The development and progress of human civilization lighting closely. The first revolution in the field of illumination began when the human raised the first torch. Human beings have been able to control their own light source. In the eyes of experts, the third revolution in the field of solid-state lighting brings the revolution, its significance is no less than the first two lighting revolution.

For solid-state lighting will become the most effective means of energy saving and environmental protection. At the same time, solid state lighting will improve and improve the quality of human life by improving the living environment and developing new concepts and models.

As a cold light source, semiconductor lighting not only there is no pollution to the environment, and compared with the traditional incandescent lamp, fluorescent lamp, energy saving efficiency can reach more than 90%.

China's current annual electricity used for lighting is close to 250 billion degrees, which can have 1 / 3 of the semiconductor lighting, saving 80 billion degrees per year, basically equivalent to the annual power generation of Three Gorges power station.

Semiconductor lighting came despite 40 years, but for a long time, the semiconductor light-emitting diode can emit color light, although colored, but can not be used for daily lighting, can only serve as auxiliary light source role in decoration and other fields.

Until mid 1990s, the third generation of semiconductor materials Gan breakthrough, as well as blue, green, white LED after the advent of semiconductor lighting to enter the main position of daily lighting lighting field.

Since then, our country also overcome the technical difficulties of high-power light-emitting chip, developed a 1500 mm light (MCD) high-power light-emitting chip.

Now, only a few grains of the small grain size of the chip, can form a white light lamp for daily use. In the past the composition of the same brightness of the table lamp, to use hundreds of ordinary light-emitting chips.

With extensive application of semiconductor lighting in general lighting field in our country, our country will enter a new era of green lighting and environmental protection.

With the third generation of semiconductor materials Gan breakthrough and blue, green and white light emitting diode was known as the "light future technology" LED (light emitting diode), gradually into people's daily life, and will guide people towards a brighter future. The third generation semiconductor material gallium nitride as a semiconductor lighting source, the same brightness under the power consumption is only 1 / 10 of ordinary incandescent lamp, life can reach more than 80 thousand hours. A semiconductor lamp can be used for more than 50 years under normal conditions.

As new lighting technology, the advantages of LED for its flexible application, green environmental protection, convenient adjustment, will lead to a revolution in the field of lighting.

Can be predicted that in twenty-first Century, semiconductor lighting will quickly become the main way of human lighting. Will the twenty-first Century night sky was illuminated thorough bright light-emitting chip.

After Edison invented in 1879 carbon filament incandescent lamp, humans began to bid farewell with fire history of lighting lighting technology has entered a new era.

However, that the incandescent lamp from it has a congenital defect: a tungsten wire heating power consumption, lighting energy consumption and fragile, easy to shock.

Lighting history review of twentieth Century, fluorescent lamp, mercury lamp, metal halide lamp emerge in an endless stream of new light source. Although the fluorescent lamp is more energy-saving than incandescent lamp, but it is bad for people's eyesight.

Real trigger lighting technology changes or LED. LED belongs to all solid cold light source, smaller and lighter. Compared with traditional lighting technology, LED is the biggest difference between the structure and material. The utility model relates to a semiconductor which can convert electric energy into visible light. The upper and the lower two layers are provided with electrodes, and the middle part is provided with conductive materials. It is like a hamburger, the material can be luminous sandwich meat pie, the color of light varies according to the nature of the material.

In addition to long life, low energy consumption, larger LED strengths and three points:

Is a very flexible application. Can be made of points, lines, surfaces of various forms of light and thin products. Two is better environmental benefits. Because there is no ultraviolet and infrared spectrum, no heat, no radiation, is a typical green lighting source. Waste can be recycled, no pollution.

Three is control is very convenient. As long as the current adjustment, you can adjust the light. The combination of different color and light, the use of timing control circuit, can achieve a variety of dynamic effects.

In the early development of the LED can emit red light, used in electronic equipment