LED enters the close-fitting era
The LED industry chain includes upstream equipment manufacturing, raw materials, chip manufacturing and packaging to the midstream, and downstream LED applications, namely chip manufacturing equipment, chip manufacturing, packaging and application industries.
Bright troubled <br> <br> chip manufacturing equipment that is manufacturing MOCVD is the commanding heights of the entire LED industry chain, technical barriers high. According to relevant data, in 2012, AIXTRON of Germany, VEECO of the United States and Dayang Nippon Acid of Japan achieved a market share of 90% of MOCVD equipment manufacturing in the world, and few Chinese companies can compete with international first-tier companies in this field.
The chip manufacturing field is an important part of the LED industry chain. From the perspective of industry concentration, according to research data, the concentration of LED chip industry in mainland China increased further in 2013. From the top 5 manufacturers' revenue market share, from 61.9% in 2012 to 64.4%, it is expected to reach in 2014. About 70%.
Although the domestic LED chip production leader is growing rapidly, it is unable to open up overseas markets, because the global high-end LED lighting chip market is dominated by five global companies (Nichia Chemical, Toyota Synthetic, Cree, Philips Lumileds and Osram). A range of patented technologies covering almost the entire LED value chain to maintain its competitive edge and market share.
Therefore, mainland companies have bypassed the LED patent barriers by regionally acquiring those patented peers or establishing joint ventures with them, such as acquiring the shares of the top LED chip manufacturers in Taiwan, in order to penetrate the overseas market.
It can be seen that only a few LED chip companies that have advantages in scale, brand, technology and channel resources can win and increase market share, while most other SMEs will be eliminated by fierce market competition in the next few years. .
Another important aspect of LEDs is packaging. With the continuous development and evolution of LED packaging technology, packaging technology has evolved from formal to vertical and flip-chip, and wafer-level packaging technology is now maturing. Flip-chip and wafer-level packaging technology is an extension of the chip to the package, that is, the chip manufacturer will directly complete the packaging process in the future.
The market space for this package will be compressed.
The main function of the Solar Charge Controller is to manage the charging and discharging process between the Solar Panel and the battery in the solar power generation system. Its main function is to protect the battery from overcharge and over-discharge damage, ensure battery charging efficiency, and stabilize the operation of the solar power generation system.
Main effect:
Charge control: The solar charge controller controls the charging process by monitoring the voltage and current generated by the solar panel to ensure that the battery is charged at the appropriate voltage and current to extend the battery life.
Overcharge protection: The solar charge controller can monitor the charging status of the battery, and when the battery is fully charged, it will automatically stop charging to avoid battery damage caused by overcharging.
Over-discharge protection: The solar charge controller can monitor the discharge state of the battery. When the battery power is lower than a certain level, it will automatically stop discharging to avoid battery damage caused by over-discharge.
Differences from other charge controllers:
The solar charge controller is a charge controller specially designed for solar power generation systems, the main differences are as follows:
Applicable Energy: The solar charge controller is suitable for solar power generation systems, mainly used to manage the charging and discharging process between solar panels and batteries. While other charge controllers may be suitable for different energy generation systems, such as wind energy, hydro energy, etc.
Charging characteristics: The solar charge controller is optimized for the characteristics of the solar panel, and can control the charging process according to the output power and voltage characteristics of the solar panel. Other charge controllers may be optimized for different types of energy generation characteristics.
Protection function: Solar charge controllers usually have overcharge protection and over-discharge protection functions to ensure the safe charging and discharging of batteries. Other charge controllers may have different protection functions, depending on the needs of the application scenario.
Overall, the main role of the solar charge controller is to manage the charging and discharging process in the solar power generation system, protect the battery from damage, and stabilize the system's operation. Compared with other charge controllers, it is optimized for the characteristics of solar power generation systems and has unique functions such as overcharge protection and over-discharge protection to meet the needs of solar power generation systems.
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