The huge replacement market for incandescent lamps around the world is about to start. The compound annual growth rate of global lighting output in 2009-2012 is expected to reach 13.9%. In 2010, the global lighting market of 92.8 billion U.S. dollars was almost 10 times that of the entire LED industry. The alternative lighting caused by the global incandescent lamp cut-off will create huge market demand for energy-saving lamps and LEDs.
At the same time, the price of rare earth phosphors has risen nearly tenfold this year, and the cost of energy-saving lamps has also increased. Three-color phosphors are the main raw materials for energy-saving lamps. Before the price increase of three-color phosphors, the phosphors accounted for only about 10% of the cost of energy-saving lamps at the beginning of the year, and the current proportion of the cost of such products has increased to nearly 60%. In order to cope with the enormous pressure of rapid increase in costs, energy-saving lamp companies constantly increase product prices and accelerate the transition to LED lighting. The price of rare earth has become an alternative to energy-saving lamps.
The LED industry policy has gradually improved, and the price of LED lighting products has rapidly declined. LED lighting industry as a new energy-saving and environmental protection industry, has always been the country's attention, semiconductor lighting "Twelfth Five-Year Plan" will be introduced in September. At the same time, with the introduction of national standards for LED products, some LED products are expected to receive financial subsidies this year, and industrial lighting and commercial lighting may start in a wide range.
LED lighting industry's preferred target is Hongli Optoelectronics and Ruifeng Optoelectronics. More than 70% of Hongli Opto's products are used in the general lighting field, and have higher and more stable gross margins, and 20% of LED commercial lighting business. Ruifeng Optoelectronics over 50% of its products are LED lighting devices. Secondly, National Star Optoelectronics, Chau Ming Technology, and Alto Electronics were selected. The LED-related lighting business of these companies has a tendency of further growth. The traditional lighting companies with transitional foundations such as Sunshine Lighting, Fei Le Audio and Foshan Lighting are selected.
Application-Specific Integrated Circuit refers to an integrated circuit specifically designed to perform a specific computing task. It is very common to use ASIC for mining in the field of blockchain. This article will analyze the principle of ASIC mining and why it should be anti-ASIC.
For Bitcoin, mining has gone through four stages: CPU, GPU, FPGA and ASIC. GPU is naturally suitable for parallel simple operations, so the execution of SHA256 is much higher than the CPU. FPGA is a programmable hardware, because it has a certain degree of universality, so the unit price will be relatively expensive. ASIC has a large initial design investment, but the unit price will be cheaper after mass production. Therefore, if you can determine that the market size is relatively large, the use of ASIC technology will be the most cost-effective.
This is the basic principle of ASIC.
In a nutshell, mining is running complicated calculations in the search for a specific number. Whether it`s an ASIC miner or a GPU mining rig, mining hardware must run through many calculations before finding that number. In proof of work systems like Bitcoin, the first one to find that number gets a reward - at the time of writing, 12.5 Bitcoins worth around $96,850. That reward will fall to 6.25 Bitcoins in May 2020.
There are so many people and powerful computing systems trying to mine Bitcoin that miner groups form to find that number and share the profit. Even more, the faster your hardware, the more you earn. That`s why people who can afford it opt for ASIC miners because it gives them the greatest chance of earning cryptocurrency in exchange for their investment.
Each cryptocurrency has its own cryptographic hash algorithm, and ASIC miners are designed to mine using that specific algorithm. Bitcoin ASIC miners are actually designed to calculate the SHA-256 hash algorithm. In the case of Litecoin, it uses Scrypt. That means technically they could mine any other coin that`s based on the same algorithm, though typically, people who buy ASIC hardware designed for Bitcoin mine that specific digital currency.
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