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"It’s not too early for me to enter the LED. But to be honest, this industry is simply too hot. It’s no exaggeration to say that I just put the news out, there are many people who come to me to invest in me, start the funds. The problem was solved quickly."
"This field is really crazy. Many people who don't understand anything at all dare to enter. I heard that a friend is ready to engage in packaging, investors are looking for it, the factory is looking for it, and I contact ASM at startup. I know that even if I pay the full amount now, I will not be able to get the packaging equipment until May and June of 2011. As a result, everything is gone."
From the ordering situation of ASM, everyone can imagine the "heat" of China's LED packaging. "As long as the product that needs to be illuminated is the business opportunity of LED", the attractive LED prospects attract more and more people to fight. After joining the industry. At present, LED's most promising market is undoubtedly a large-size LCD backlight in flat-panel LCD TVs, notebook computers and notebook monitors, but there is no doubt that general lighting is the ultimate development goal of LED. At present, LED bulb replacement lamps will become the most important growth area in the lighting market before the LED general lighting market has actually started. However, is there a large number of LED bulbs on the market that are equivalent to true solid-state lighting (SSL)? Is the LED really ready for general lighting?
LED general lighting faces four major challenges first
The US Department of Energy has said that solid-state lighting is the most devastating innovation in the field of lighting for 50 years. Many people in the industry agree with this and believe that LED is a disruptive product, and it is necessary to reform its original product. But in fact, LEDs still face four major challenges in the general lighting market: light quality, light performance, reliability, and simplification.
Zhou Xuejun, Marketing Director of Philips Asia, explained: "The light quality of LEDs still has a gap compared with traditional lighting; there are some applications that cannot be covered by light performance; because LED lighting reliability is made up of chips, electricity, light, heat, machinery Due to a number of factors, such as the interconnection part, it is impossible to maintain sufficient light output lumens to maintain the life; due to the lack of uniform standards, LED lighting products on the market are now diverse, and the complexity also hinders it from being accepted by more audiences in the short term. "So, what are the current solutions on the market to improve LED light quality and light efficiency?
Light quality Generally speaking, the light quality we talk about mainly refers to light distribution, light angle and shadow, and color rendering. Here, Zhou Xuejun particularly emphasizes that designers should pay attention to: Is the color of light between different LED particles consistent? Are the changes in different particles consistent over time? Is there an chromatic aberration of an LED at different angles? What is the color rendering index?
The entire packaging process of LEDs consists of two important steps: bonding the chips and pins with gold wires, and performing phosphor coating.
Li Li, who switched to the LED packaging factory owner from a trading company last year, is sitting in his office in Putian, Shenzhen, depicting the LED dream he is building with three other investors. “The first package line starts running in the month. According to the plan, we will have another 4 lines around March next year. I also plan to use the other half of the factory as application development, mainly as a bulb, now this The profit is very large.†The 1,400-square-meter factory is very empty, and the only packaging production line only accounts for about 50 square meters. In contrast, the office in the corner of the factory building is a bit cramped. In addition to the two large boss tables, chairs, sofas, coffee tables, and water dispensers, there are scattered industry magazines about LEDs. LED light source and LED bulb.