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Indoor lighting drive power increased by 87%
â— Landscape lighting: including floodlights, wall washers, corner lights, Christmas lights, lights, contour lights, underwater lights, guardrail lights, tree lights, etc. â— Outdoor functional lighting: including street lights, tunnel lights, garden lights â— Indoor Lighting: bulb, fluorescent, downlight, spotlight, PAR light, panel light, ceiling light, etc. â— Display: indoor and outdoor monochrome, two-color, full color
In 2012, the LED indoor general lighting driving Power Supply market was 4.58 billion yuan, an increase of 87% over the same period of last year. It surpassed the LED landscape lighting power supply market and ranked first in all major fields. In 2012, LED indoor general lighting was widely used in commercial and office fields. The annual domestic LED indoor general lighting output value was 33.5 billion yuan, an increase of 80%. LED indoor lighting is in its infancy, and the market is huge in the future. 
The market size of LED landscape lighting power supply in 2012 was 3.91 billion yuan, a year-on-year increase of 25%. Landscape lighting is one of the more mature areas of LED applications. In 2012, the domestic LED landscape lighting output value was 37.2 billion yuan, a year-on-year increase of 22%. Since LEDs are very mature in the field of landscape lighting, they may maintain steady growth in the next few years, but there will be no explosive growth.
LED outdoor functional lighting power supply market in 2012 was 590 million yuan, an increase of 81%. In 2012, the market demand for LED street lamps has increased significantly. According to GLII data, the total shipment of LED street lamps in China in 2012 was 1.35 million baht, a year-on-year increase of 100%. The domestic installation volume was 1 million baht, a year-on-year increase of 90%. Display power supply, the market size in 2012 was 750 million, an increase of 15% year-on-year, accounting for 7% of the total power supply. The display power supply is relatively mature compared to other power supply technologies, and the market is relatively stable. The domestic display power supply market is mainly occupied by a few companies such as Guangzhou Mingwei, Changzhou Chuanglian, Changzhou Chenglian and Shenzhen Pude Xinxing. In addition to the above four areas, there are LED special lighting and other fields. Among them, special lighting mainly includes LED plant lighting, LED industrial and mining lights and LED stage lights, etc. Other fields mainly include LED table lamps and LED chandeliers.
Indoor lighting and landscape lighting are the main application areas of the current driving power supply, and the total of the two accounts for 84%, which is the main market for LED driving power in the future.
Power is no longer the bottleneck
In the early years, the main reason for the damage of LED lighting fixtures was the problem of Led Driver Power Supply, which was particularly evident in LED streetlights. According to statistics, 80% of the early damage LED street lights originated from the drive power.
In the past two years, with the continuous improvement of LED chips and packaging technology, the luminous efficiency of LED devices has also been continuously improved, so that the number of LED particles used is reduced and the amount of heat emitted is reduced under the same brightness. In addition, due to the improvement of the heat sink technology and the design of the overall heat dissipation structure, the working environment of the LED driving power source is greatly improved. LED driver power supply is no longer a bottleneck that hinders LED promotion.
Intelligent is the future direction
LED drive power technology is still making progress, and intelligentization is the direction of future drive power development. Intelligentization can make the unique advantages of LED light source more vivid.
1) Intelligent dimming
Intelligent dimming can achieve secondary energy savings. For example, the LED street lamp driving power supply can be operated at full load in the middle of the night to keep the brightness of the lamp in the highest state; in the middle of the night, due to fewer pedestrians, the brightness can be appropriately reduced, and the smart power source can automatically make the current. As it gets smaller, the power consumed by the luminaire is reduced, thereby achieving energy savings. There are already application cases for this technology.
2) Intelligent sensing
For example, in the underground parking lot, the intelligent sensing module is built in the driving power supply to form an intelligent induction power supply. When a vehicle passes by, the light will automatically light up. When no vehicle passes, the light is automatically turned off. This kind of power supply can also save energy waste.
3) Adjust the color
According to a survey conducted by the High-tech LED Industry Research Institute, some power supply manufacturers have introduced a color-adjustable power supply. The power supply is used to adjust the brightness of the chip. Through color combination, different colors of light can be obtained to adapt to the situation at that time. Such technology should be developed, but it has not yet been marketable, and the price is too high.
4) Intelligent control
By adding an intelligent control power supply to the LED luminaire, the control of the light source can be more convenient. For example, connecting the luminaire to the network, or connecting with Bluetooth, wifi, etc., the control of the luminaire can be realized by the mobile phone or the computer, which is very convenient. This technology is not yet mature and is in the research and development stage.
In fact, intelligence is far more than the above direction, and the superiority of LED can achieve more intelligence.
Outlook 2013
The High-Tech LED Industry Research Institute (GLII) expects that due to the rapid development of LED indoor lighting in 2013, the corresponding LED driver power supply market demand will maintain a high growth trend. However, due to the fact that industry standards have not yet been introduced and more and more entrants, the power market will still be chaotic, and product homogenization and price wars are still unavoidable. 
[Source: Gaogong LED's "LED Research Review" magazine March issue GLII / Yu Bin] According to the statistics of the High-tech LED Industry Research Institute (GLII), the output value of LED drive power in China in 2012 was 10.1 billion yuan, a year-on-year increase of 37%. In 2012, the main growth driver of LED driver power market came from LED indoor lighting and outdoor functional lighting. Other fields such as display and landscape lighting maintained a steady growth trend.