Technical inventory: technical advantages of the world's seven major LED chip manufacturers

1, Cree (CREE)
Cree is a leading innovator and semiconductor manufacturer on the market to significantly increase the value of solid-state lighting, power and communications products to enhance their value.
Cree's market advantage lies in the company's unique material expertise in GaN-based silicon carbide (SiC) to manufacture chips and complete devices. These chips and kits can use more power in a small space while radiating less heat than other prior art materials and products.
Cree uses energy return solutions for a variety of applications, including brighter and more adjustable LED light illumination, more vivid backlighting, high current switching power supplies and variable speed motors for optimal power management, and more There are exciting alternatives to effective wireless infrastructure for data and voice communications. Cree's customers range from innovative lighting fixture manufacturers to federal agencies related to defense.
Cree's product line includes blue and green LED chips, illuminated LEDs, backlit LEDs, light-emitting diodes for power switching devices, radio frequency devices and radios.
Technical advantages
1. SiC-based III-nitride epitaxial, chip-scale packaging technology;
2. High power chip and packaging technology.
Enterprise status in 2008-2009
In 2008, Cree achieved an annual growth of 25%, reaching $493 million, of which LED product sales revenue was $415 million, accounting for 84% of total revenue. The acquisition of INTRINSIC and COTCO and the investment in marketing links increased sales management expenses by 44% compared with 2007; due to the depreciation of hidden assets caused by the merger of the two companies, the corresponding expenses in the financial statements increased more than three times compared with 2007. .
Career attributed its performance growth to its strategic focus: XLamp LED sales increased by 140% compared to 2007, successfully acquired LLF and Huagang, etc., and achieved the expected revenue target, doubling the sales of spare parts through distribution channels, and Through the expansion in Asia, mainly including the transfer of XLamp production to China, the production cost is greatly reduced.
Investing in technology and achieving the best R&D report results in the industry? 161 lumens per watt of white light power LED, while Cree has also expanded the scope of its products. In 2008, Cree designed and installed lighting systems based on energy conservation and maintenance costs for campuses and major streets in the United States, laying the foundation for its future sponsorship and participation in the development of indoor and outdoor general lighting markets. Lighting projects include: LED City, LED Workplace and LED University. The growth in general lighting applications and the company's growth in power and RF product sales offset the decline in sales of LED chips and high-brightness LED components due to reduced consumer demand for mobile phones and automotive applications.
In addition, Cree has signed a patent license agreement with Mitsubishi Chemical Corporation to give it an exclusive license to manufacture and sell independent GaN substrates. Cree charges the security and royalties for the sale of GaN substrates as specified in the agreement. Agreement with BridgeLux on patent infringement litigation. According to another supply agreement reached later, Cree will become an important supplier to BridgeLux.



2. Osram
Osram is one of the world's two largest light source manufacturers, headquartered in Munich, Germany, with a research and development and manufacturing base in Malaysia, and is a wholly-owned subsidiary of Siemens. In fiscal year 2007 (as of September 30, 2007), Osram's global sales reached 4.7 billion euros.
Osram's customers are located in nearly 150 countries and regions around the world. With innovative lighting technologies and solutions, Osram continues to develop new areas of artificial light sources for use in public spaces, offices, factories, homes and automotive lighting.
Osram has a number of world-leading patents, and many of the world's most famous projects have chosen Osram's lighting products and solutions. From the Taipei 101 building of the world's tallest building to the extremely luxurious Dubai Sailing Hotel; from the 2000 Sydney Olympic Stadium to the 2006 World Cup Munich Allianz Arena; from the solemn Beijing Tiananmen Square to the modern architectural classic Swedish Malmo Rotating Tower... Osram's lighting products are shining in it.
Osram has three production bases in China and a research and development center. The company has nearly 8,000 employees in China. Among them, Osram (China) Lighting Co., Ltd. was established in 1995. The company has about 3,500 employees and nearly 40 sales offices across the country. OSRAM China has become the strength of Osram's Asia Pacific region and plays an important role in Osram's global strategy.
With more than 5,000 varieties of lighting products, Osram is able to meet the needs of people in work, life and special areas. Its product range includes: fluorescent lamps, compact fluorescent lamps, high-intensity discharge lamps, halogen lamps, automotive lamps, motorcycle lamps, special light sources, electronic ballasts and light-emitting diodes. The advanced electronic management system and perfect logistics distribution network have realized the desire of Osram products to serve thousands of households in China.
Technical advantages
1. "Faceting" of SiC substrate;
2. Leading edge in fluorescent materials for white LEDs;
3.zz is equipped with power package technology and vehicle lamp technology.
Enterprise status in 2008-2009
Osram achieved 4.624 billion euros in 2008, down 1% from 2007. Among them, general lighting accounted for 51% of total revenue, automotive lighting 16%, display lighting 4%, and other semiconductor and optical equipment 29%. Osram's financial expenses in 2008 were 386 million euros, compared to 284 million in 2007. Osram is also optimistic about the development prospects of LED. It is convinced that LED will occupy at least one-third of the general lighting market in 2020. In terms of technology, the company will invest 5.8% of its revenue in research and development, among which OSRAM Opto Semiconductors has a high proportion of R&D investment. 15.1%.
In 2008, Osram continued its efforts in front-end and high-end lighting applications, such as architectural lighting design, landscape lighting, and the operation of novel small/handheld fixtures. The company has also increased its research and development of OLEDs, especially in the field of lighting applications, while vigorously developing off-grid lighting and lighting systems with the greatest advantage of energy saving and environmental protection. The company has put the corresponding technologies and products in Africa, India and other countries and regions. Promotion. In the meantime, Osram and Cree increased their reliance on the Asia Pacific market. In 2008, the European and American markets provided 77% of sales revenue to Osram and 18% in Asia Pacific. Since the establishment of the company's second R&D and production center in Malaysia in 2007, Osram has established its Asia-Pacific headquarters in Hong Kong, focusing on the development of China and India. The world economy, especially the automobile industry, has been greatly affected by this automobile lighting industry. . For the downturn in the automotive industry, Osram believes that recovery is sooner or later, and efficient and high-quality automotive lighting systems cannot be replaced. The company said it will control measures to reduce usage costs and focus more on technology and market-oriented, more long-term strategies.



3. Philips (PHILIPS)
Philips Lighting offers advanced energy efficient solutions for all areas including road, office, industrial, entertainment and home lighting. Philips is also a leader in the use of future applications and technologies for new lighting, such as LED technology. The company's main products include, æ°™ car lights, road lighting, ambient lighting.
Philips established its leadership position in the LED chip industry mainly due to the acquisition of Lumileds, a joint venture between Agilent and Philips in 1999. In 2005, Philips completely acquired the company. Philips Lumileds is the world's leading provider of high power LED lighting solutions. The company has always been committed to promoting the development of solid-state lighting technology, improving the environmental protection of lighting solutions, helping to reduce carbon dioxide emissions and reducing the need to expand power plants, and the company's leading light output, efficiency and thermal management is a long-term effort in this regard. Direct result. Philips Lumileds' LUXEONLED products offer new options for store, outdoor, office, school and home lighting solutions. Philips Lumileds is available in a variety of LED chips and LED packages, including LEDs in red, green, blue, amber, and white.
Technical advantages
1. Unique heat sink design and Si-Submount "Flip-Chip" packaging technology;
2. Has a first-mover advantage in high-power white lighted lighting.
Business Situation 2008-2009 Philips' sales increased by 17% in 2008, mainly to support the acquisition of Genlyte and Color Kinetics. 18% of the adjusted portfolio change and 4% of the unfavorable exchange rate impact, sales increased by 3% compared to 2007. This growth is mainly due to continued sales growth in the field of energy efficient lighting solutions. The company's diversified product portfolio has enabled it to maintain a level of profitability in the rapidly declining economic situation in the second half of 2008, as demand in the automotive, consumer goods and construction industries has fallen sharply. Sales of green products increased by 12% from 2007 to 2.97 billion euros. This growth is mainly driven by increased sales including solid-state lighting applications, as well as product innovation design and strong growth based on application solutions. In 2008, the company's revenue in the SSL field increased by 6% to 470 million euros.
Regionally, sales in mature markets have declined slightly compared to 2007; revenues in energy-efficient lighting solutions have largely offset losses in the automotive, consumer goods and architectural lighting markets in the deteriorating economic environment of North America and Western Europe. Sales in emerging markets increased by 8%, with all of the businesses in India, Eastern Europe and ASEAN countries (except for special lighting applications) achieving strong double-digit sales growth.
In 2008, the company's interest rate before interest and tax depreciation was 538 million euros, accounting for 7.6% of sales, a decrease of 184 million compared with 2007, including 221 million euros restructuring costs and 0.41 billion euros. Earnings in 2008 were also affected by the compression of gross margins in mature markets, and the gains in acquisitions partially offset the slowdown in demand in areas such as automotive and architectural lighting.
In 2008, the company's EBIT was 165 million euros, compared to 675 million euros in 2007. In 2008, PHILIPS filed a €232 million non-cash goodwill impairment for Lumileds, mainly due to weak demand in the automotive, display and mobile phone markets.
Pre-financing cash flow activities include a cash payment of 1.825 billion euros, mainly related to the acquisition of Genlyte, and the total expenditure related to the acquisition in 2007 was 1.162 billion euros, mainly related to the acquisition of PLI and Color Kinetics. In addition to the above-mentioned acquisitions, the increase in cash flow before the financing activities increased by 173 million euros compared with 2007, and the company's net capital expenditure increased by 54 million euros due to higher investment in solid-state lighting solutions.
Given that the economic outlook may continue to deteriorate, PHILIPS believes that 2009 is a very challenging year. The company will not only continue to maintain contracts in the construction and automotive markets, but also strive to maintain consumer confidence in most emerging markets. In this environment, PHILIPS said it will proactively expand its restructuring plan and select more effective cash management measures to further reduce (fixed) costs last year and ensure that investors begin to present a favorable balance sheet to investors in 2009. In order to achieve sound financial management, the company will stop the share repurchase program, and will continue to closely manage the company's market and competition. PHILIPS hopes that through strict cost and cash management, coupled with a strong brand and balanced portfolio advantages, it will be able to weather the current economic turmoil and achieve more powerful targets when economic conditions are restored.



4. Nichia
Nichia, a famous LED chip manufacturer and a Japanese company, was founded in 1956 to develop the world's first blue LED (1993), the world's first pure green LED (1995), built around the world. the company.
With the aim of "Ever Researching for a Brighter World", Nichia has been manufacturing and selling precision chemicals centered on phosphors (inorganic phosphors). In the process of developing luminescent materials, since the release of the blue LED that shocked the world in 1993, the commercialization of ultraviolet and yellow nitride LEDs and white LEDs has been realized, which has greatly expanded the application fields of LEDs. In addition, Nichia Corporation is vigorously developing a purple-blue laser semiconductor that is indispensable for the development of information media. It is hoped that nitride semiconductors will become a part of the important field in the semiconductor industry in the future.
Technical advantages
1. The first commercialized GaN-based blue LED/LD;
2. Have the best phosphor technology available today;
3. Blue light excitation yellow phosphor technology patent;
4. Sapphire substrate epitaxial growth technology.
In terms of market share in 2008-2009, according to a report by British market research firm IMS Research, Nichia topped the list with 24% global market share in terms of total revenue of LED package products in 2007. It is pointed out that although the market ranking in 008 has not been announced, Nichia will undoubtedly still be the 2008 LED packaging product sales champion.
In the field of technology research and development, in 2008, Japan Intellectual Property Bank (hereinafter referred to as IPB) engaged in intellectual property-related consulting business ranked the quality and quantity of patent applications as the evaluation standard, and ranked the technical competitiveness of LED lighting business vendors. Nichia's chemical technology is the most competitive. According to IPB statistics, about 5,400 public patent publications were issued from January 1993 to February 2008, of which Nichia ranked third in the number of applications, but in terms of quality, especially in "LED components". The three fields of "phosphor material" and "LED package" are overwhelming.
It is particularly worth mentioning that in 2008 and 2009, Nichia signed various forms of cross-licensing agreements with a number of companies. Among them, on February 2, 2009, the cross-licensing agreement between Nichia and Seoul Semiconductor was the most interesting, which marked that the two companies will officially stop taking four years, in the United States, Germany, Japan, the United Kingdom, and South Korea. In all patent lawsuit cases, the cross-licensing agreement covers LED and LD (laser diode) technologies, which will allow both parties to use each other's patents without restrictions. In addition, Nichia has signed cross-licensing agreements with companies such as Sharp, Luminus, and AgiLight.



5. Seoul Semiconductor
Seoul Semiconductor has grown rapidly in recent years and has risen to the ranks of the world's top LED chip manufacturers. According to a report by British market research firm IMS Research, Seoul Semiconductor's total revenue of LED packaging products in 2007 ranked fourth in the world.
In 2006 and 2007, Seoul Semiconductor Co., Ltd. was recognized as one of the most promising companies in Asia in 2006 by Forbes and Business Week magazines. ACRICHE, the semiconductor light source for the main products of Seoul Semiconductor, was selected as the “Best Product Award” by Elektronik, the most authoritative magazine in Europe. In 2008, it was awarded the “Republic of Korea Technology Award” by the Ministry of Knowledge Economy and is expected to become the leading future source of light at home and abroad. Market enterprises. Total sales for 2008 were $284.1 billion, ensuring more than 5,000 patents. There are 25 overseas sales offices and 114 agencies including 3 local legal entities.
Seoul Semiconductor's main business is the production of full-line LED package and custom module products, including AC-driven semiconductor light source products such as: Acriche, high-brightness high-power LED, side-light LED, top-light LED, SMD LED, plug-in LED and piranha (Super light) LED and so on. Products have been widely used in general lighting, display lighting, mobile phone backlights, televisions, laptops, automotive lighting, household items and traffic signals.
Technical advantages
1. It is combined with light and illuminant, and has “MODULE” technology;
2. Have "DIGITAL" loop technology;
3. Solutions with blue and white LEDs;
4. With ultra-mini, ultra-thin technology.
Enterprise status in 2008-2009
Seoul Semiconductor sold 264.1 billion won in 2008 and 184.262 billion in 2007, an increase of 43%. The company’s sales and management expenses increased 1.5 times, but R&D spending increased 40%. Overall, both EBIT and net profit doubled on the basis of 2007.
According to a report by British market research firm IMS Research, in 2008, LED manufacturing companies with global LED packaging products in the world's top three are facing strong challenges from Seoul Semiconductor in South Korea. IMS Research analysts believe that In recent years, Seoul Semiconductor has grown faster than the overall LED market and has been steadily rising. Philips Lumileds may face competition from Seoul Semiconductor for the third largest LED supplier in the next few years.
In 2008, the company's expansion plans to increase its fixed assets and equipment by 41%, while the increase in production capacity also led to an increase of 65% in inventory. In February 2009, the patent dispute between Seoul Semiconductor and Nichia ended with a cross-licensing agreement. In addition, Seoul Semiconductor also signed a patent cross-licensing agreement for the silicate-based phosphor white LED with LED Tridonic. These positive news have all contributed to the company's market value. In 2009, the company's Acriche and Z-Power LED products received professional praise in the European and American markets.



6, Toyota Synthetic (Toyoda Gosei)
Toyota Synthetic, headquartered in Aichi, Japan, produces automotive parts and LEDs, which account for about 10% of revenue.
The white LED developed by Toyota Synthetic and Toshiba is a combination of UV LEDs and phosphors, which is different from the general combination of blue LEDs and phosphors. If the LED is likened to a car, then it can be said that Nichia has proposed the concept of the wheel and the engine, while Toyota Synthetic has proposed the concept of the car body and the tire. In 1986, commissioned by the honorary professor Mr. Akasaki, Toyota Synthetic began to develop LED research and development using its own accumulation of thin film technology for automotive parts. In 1987, commissioned by the Science and Technology Promotion Group, Toyota Synthetic successfully formed LED electrodes on sapphire. Therefore, it is not an exaggeration to call Toyota Synthetic "the pioneer of blue LED". Toyota Synthetic has grown at a relatively fast pace in recent years. In 1998, its sales were 6.3 billion yen, but by 2002 it had grown to 25.2 billion yen.
In 2003, due to the lack of brightness of the white light source of mobile phones, low-cost strategies in Taiwan and South Korea, and the downturn in the European display market, Toyota Synthetic failed to complete the original plan to sell 34 billion yen, but its sales. Both the amount and the profit reached the highest level in history. The most popular one is the white LED for mobile phones. From 2.7 billion yen in 2002 to 12.3 billion yen, accounting for 40% of total sales. The rest are blue, blue-green and 3in1 white LEDs. In 2003, domestic sales accounted for 80% of the total, which was 23.7 billion yen. Overseas sales: Asia 4.7 billion yen. In terms of applications, mobile phones accounted for 72%. In addition, there are more LCD backlights, buttons, and back LCD backlights (3in1). There are also many applications in signal equipment and large display screens.
In 2004, Toyota Synthetic planned to sell 42 billion yen, but due to the downturn in the mobile phone market, the sales plan had to be revised to 30 billion yen. In order to capture Nissan Chemical's 90% market share in the mobile phone backlight market, Toyota Synthetic intends to increase the brightness of white LEDs. In the fall of 2004, it developed a white LED "TGWHITEII" with a brightness of 1000mcd, which is 600-700mcd. It shines a lot. Then, Toyota Huahe began to develop 1300mcd white LED. In addition, car navigation systems and computer-specific liquid crystal controllers, TV-specific large-scale LCD backlights, etc. are also Toyota's target design and development of lighting applications in the city is also in full swing. In addition to the factory in Hirakata-cho, Aichi Prefecture, Toyota Chemicals Co., Ltd. has established a second production base for producing GaN LEDs such as blue LEDs in Takeo City, Saga Prefecture. Its equipment investment totaled 15.6 billion yen, and its planned monthly production in 2006 reached 200 million. By then, the total production capacity of the two plants will reach 420 million per month, with the goal of LED sales reaching 120 billion yen in 2008.



7, Agilent (Agilent)
As the world's leading LED supplier, Agilent offers efficient, reliable light sources for a wide range of products including automotive, electronic information boards and traffic lights, industrial equipment, cellular phones and consumer products. The high reliability of these components typically ensures that the source is not replaced during the life of the device. Agilent's low-cost dot matrix LED displays, a wide range of seven-segment displays and Agilent's range of LED strips are available in a variety of packages and colors. Agilent was first isolated from Hewlett-Packard. In 1999, Hewlett-Packard Company was divided into two, and her Optoelectronics Division was established as Agilent Technologies.

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