What is LED?
LED (Light Emitting Diode), light emitting diode, is a solid state semiconductor devices, it can be directly to the electrically converted to light. The heart of LED is a semiconductor LED chip, one end of the wafer is attached to the Mitutoyo LED in a holder on one end of the negative electrode, the other end connected to the positive power supply, so that the whole wafer is epoxy encapsulated. The semiconductor wafer is composed of two parts, the part of the P-type [1] Semiconductor, dominated the hole in it, the other end is an N-type semiconductor, in the side of the main electronic. These two semiconductor connected between them to form a "PN junction when the current through the wire in the chip, the electron will be pushed to the P zone, the P zone electron hole recombination , and then it will emit energy in the form of photons, this is the LED light-emitting principle. The wavelength of the light to determine the color of light, is decided by the forbidden band width to form a PN junction material. 2.5 meters wide polycarbonate panels from being into enterprise successful installation and commissioning! Greatly improving the lighting effects.
What is LED lead frame plating?
LED bracket, a bottom base of the LED lamp beads before packaging, on the basis of the LED holder, the chip is fixed inside, the welding on the positive and negative electrodes, and then once a silicone resin encapsulation molding. led bracket is generally made of copper, because of the good conductivity of copper, which it will have the lead, to connect led lamp beads inside electrode LED lamp beads package forming the lamp beads to remove from the bracket, lamp beads two feet of copper that the lamp beads, positive and negative, for soldering to the LED lamps or other LED products. Due to the high technical content, the LED stent plating has been more and more widespread concern in the industry.
LED is mainly used in what areas?
In view of the LED's own advantage, mainly used in the following aspects:
(1) Display, traffic signal light source applications LED lamps have a seismic impact resistance, light response speed, power saving and long life characteristics, widely used in a variety of indoor and outdoor display, divided into full-color, three-color and monochrome display, a total of more than 100 units in the development and production. Traffic lights with ultra-high brightness red, green, and yellow LED, LED signal both energy and high reliability in the nationwide traffic lights are gradually upgrading, and promoting fast, in great demand and is a good market opportunity.
(2) Application on the automobile industry car contains the dashboard of the car interior lights, audio indicator, backlight switch, reading light and external brake lights, tail lights, side lights and headlights. Automotive incandescent intolerance vibration impact, easily damaged, short life and require frequent replacement. In 1987, China began to be installed in the car on the brake light. LED response speed early to remind drivers to brake to reduce rear-end accident, in developed countries, the use of LED manufacturing central rear CHMSL has become standard parts of the car, in 1996, the United States, HP LED lights of three colors The introduction of LED taillights modules could be combined into a variety of taillights. In addition, the car dashboard and other various lighting portion of the light source, ultra-high-brightness light-emitting lamp available to play, so in gradually with LED display. China's automobile industry is in a period of great development, is an excellent opportunity to promote high brightness LED. In recent years, will form an annual output of 10 billion yuan of output value, will form an annual output value of 30 billion yuan in five years.
(3) LED backlight backlight efficient side light most striking LED LCD backlight applications, has a long life, high luminous efficiency, interference-free and cost-effective and high, has been widely used in electronic watches, cell phones, BP machines, electronic calculators and credit card machines, with the increasing miniaturization of portable electronic products, LED backlight advantages, so backlight production technology will be more thin, low power consumption and uniform development. LED is a mobile phone key components in an ordinary mobile phone or PHS takes about 10 LED devices, a color screen and a mobile phone with a camera function you need to use about 20 LED devices. This stage phone very large amount of backlight LED chips use 3.5 billion a year. China's mobile phone production, and most of the LED backlight or imported for domestic LED products, which is a great market opportunity.
(4) LED illumination light source luminous efficiency of early low light intensity generally only several dozens mcd, appliances, instruments, communications equipment, computer and toys indoors occasions. The immediate objective is the LED light source to replace incandescent and fluorescent lamps, this alternative trend from local applications began to develop. Japanese energy conservation, is planning to replace incandescent light-emitting diodes project (called "light"), with a budget of 5 billion yen in the first five years, annual savings equivalent LED replacement half of incandescent and fluorescent lamps, 60 million liters of crude oil energy, the equivalent of five nuclear power plants of 1.35 ? 106kW generating capacity, and reduce carbon dioxide and other greenhouse gases, improve the people's living environment. China has also vigorously develop energy-saving environmentally friendly semiconductor lighting plan. 5 billion investment in 2004.
(5) Other applications such as a flash shoes children welcome, walk a built-in LED flashing light the Wenzhou region alone 500 million a year to use light-emitting diodes; using light-emitting diodes as electric toothbrushes, battery indicator, according to The manufacturers of the domestic production, the company has a small toothbrush market, mass production is expected to 300 million a year LED lights; LED Christmas lights are popular, novelty, rich color, not brittle and break, and low pressure use security, Southeast Asia, Hong Kong and other strong sales potential, attention has been universally welcomed, being threats and Christmas market alternative to the existing electric bulbs.
(6) Home indoor LED lighting products increasingly popular LED downlights, LED ceiling lamp, LED fluorescent lamp, LED fiber optic lights quietly into the family!
The LED surface treatment industry brought a new opportunity
With the rapid development of LED materials market, the surface mount devices are available from 2001, mainly used in indoor full color, and its high brightness, colorful, low-temperature characteristics, can be adjusted at the point spacing, different price The demanders accepted, the product has more than 300 million yuan in sales in just over two years time, surface mount full-color LED display applications market into the new century. In order to adapt to the 2008 Olympic Games "downsizing" plan, Riyadh has developed a surface mount dual color display, a large number for the training hall and game time scoring. Full color screen in the Olympic venues, the for austerity investment, most of the full-color screen with removable, during the Olympic Games as a live broadcast of tools can be used for the lease after the end of the race, as the performances, national policy released public places such as application tools, This approach can be cost recovery as soon as possible.
In terms of market, China's accession to the WTO, Beijing's successful bid to become a new opportunity for the development of the LED display industry. Domestic LED display market to maintain sustained growth in the domestic market, the domestic LED display market share of nearly 95%. International LED display market capacity is expected to be in the growth rate of 30% per annum.
According to the editors to understand, the current domestic LED plating the LED stent plating do the most authoritative business, naturally you want to talk about Ogilvy & Mather, Shenzhen Science and Technology Co., Ltd.. Ogilvy & Mather is one of the earliest companies to enter the LED bracket electroplating field. Company technical personnel have for over 30 years of experience. In recent years, the company invested to increase investment in research, developed a line chip, high power led, SMD LED, piranhas and other types of LED professional precision select plating equipment and molds, and related equipment, stamping, whole plant planning, equipment and services. Currently, Ogilvy & Mather is only the most professional and leading LED plating equipment manufacturers, the domestic famous large LED electroplating manufacturers almost have become a strategic partner of Ogilvy & Mather.
Electroplating industry, more and more energy saving business concern to develop your business should be good at observing the market and technology potential of your side, the LED bracket electroplating industry competition, the use of technology to bring enterprise efficiency per plating should consider things, but the choice of technology or to trust the authorities, after all, the high-end enterprise can develop more high-end technology and products, hope these contents can be helpful to our industry professionals, your success is our greatest pride.
Source: http://blog.livedoor.jp/novaking/archives/4383739.html
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