LED (Light Emititng Diode), also known as LED, was born in the 1960s. With the continuous advancement of LED manufacturing technology and the development and application of new materials (nitride crystals and phosphors), the performance of LED semiconductor solid-state light sources that emit white light in the 1990s has been continuously improved and entered a practical stage, enabling high-brightness LED applications. Crossing the market for high efficiency lighting sources. Under the same illumination, the power consumption of LED lamps is one tenth of that of incandescent lamps, and the lifetime is dozens of times that of incandescent lamps. It is therefore known as the fourth generation of lighting sources, also known as the 21st century green light source.
At present, the United States, Japan, Germany and Taiwan have developed into the countries and regions with the highest level of technology in the world's semiconductor lighting industry. They are at the forefront of leading the development of the industry, and most of the patented technology is in the hands of a few large companies. The technology has strong protection measures. At the same time, major countries and regions have formulated technical roadmaps for industrial development, organized strong enterprises and scientific research institutions to make technological breakthroughs, and intend to occupy the commanding heights in the technical field. With the support of the 863 and the research plan, the semiconductor lighting industry in China has developed quite fast.
It is understood that in the preparation of white LED, phosphor is a very critical material, its performance directly affects the brightness, color coordinates, color temperature and color rendering of white LED, which is also important for the stability and light decay of LED products. factor. In order to solve these difficulties, Jiangsu Jinrui Material Technology Co., Ltd. pays great attention to the application performance and scale and industrialization of the products. The relevant technical parameters of the R&D and mass production of LED phosphors have reached and exceeded the advanced level in foreign countries. Under the conditions of chip and package, its luminous efficiency exceeds that of Japanese advanced products by 5~10lm, which exceeds Taiwan's advanced products by 10~20lm, and has better color rendering and lower light decay.
According to Mr. Chuyi, Director of Jiangsu Jinrui Technology Operation, Jinrui Technology's Hongguang series of white LED LED phosphors have unique advantages in terms of luminous efficiency, peak wavelength and dominant wavelength, compared with similar phosphors on the market. The relative brightness reaches 125%, and its peak wavelength and dominant wavelength can reach 562nm and 573nm respectively. However, similar products on the market can only reach 550nm and 570nm respectively. In addition, Jinrui Technology white LED LED phosphor has lower Color temperature (between 3400 and 3450K), and the color temperature of similar products on the market is more than 3750K; that is to say, the LED light-emitting device packaged with Jinrui LED phosphor has higher lumen efficiency, lower color temperature and higher display. Color index, comprehensive performance is currently ahead of the curve.
At present, the international LED phosphor technology is mainly monopolized by Japanese, European and American companies, and each LED giant cross-authorizes the use of patents, seriously squeezing the profits of China's LED downstream industry, due to the monopoly of upstream industry technology and price, LED The cost of finished products remains high, which also affects the healthy development of the LED industry to a certain extent. Jinrui Technology's white light LED phosphor has its own intellectual property rights. Its products have many domestic and international patents, breaking the patent barrier of LED phosphors, and stepping out of a road of China's own LED phosphor raw materials, thus solving China Optoelectronics. Another difficult problem in the industry.
Jiangsu Jinrui Technology: International leading level in research and production of LED phosphor materials
Founded in 2008, Jiangsu Jinrui Technology Materials Co., Ltd. is a high-tech enterprise specializing in the research and development of optoelectronic new materials and luminescent functional materials and professional production of LED phosphor materials. Dr. Li Rui, the general manager of the company, is an authoritative expert in the field of materials science in China. The research of luminescent materials has been carried out for more than 30 years. The research and development institutions under the leadership have 20 doctoral students and master students, and have an international leading level in the research and development and detection of LED phosphor materials.
Jiangsu Jinrui Technology has set up research and development of LED phosphors, R&D of OLED phosphors, LED lighting and solar cell R&D, analysis and testing. At present, a new large-scale high-tech R&D center building and an analytical and testing institution building with national authority certification are under construction.
Jiangsu Jinrui Technology has been committed to the research of rare earth luminescent materials for many years. It has developed a series of phosphors such as tungstate, silicate, aluminate and molybdate. The products have been applied to many different materials and optoelectronic products. The research and development results have won a number of national invention patents and international invention patents. In the LED-specific phosphor series, the luminous efficiency of the yellow phosphor for white LEDs reaches 140 lm/W; the luminous efficiencies of the green phosphors for green LEDs and the phosphors for red LEDs are among the world's leading.
Jinrui Material Technology Co., Ltd. is a national optoelectronic enterprise with core technology competitiveness. With the world-class material technology, we provide safe, stable, energy-saving and high-efficiency LED phosphor raw materials for the domestic LED optoelectronic industry chip packaging and finished product manufacturing enterprises, and aim to break the current domestic optoelectronic industry LED phosphors mostly rely on imports. Situation.
Meet the diverse needs of customers
Jiangsu Jinrui Technology actively invests in the research and development of LED phosphors to speed up the pace of product marketization. The LED phosphors after mass production are directly connected to the packaging enterprises, mass-produced and packaged, and docked with the mass production of packaging companies. And problems found and solved in testing. At present, the Hongguang series LED phosphors produced by Jinrui Technology can be combined with 460nm chips, and can also be customized for packaging companies with LED phosphors combined with 440~480nm chips. It can produce LED light source, luminous efficiency and The 460nm is also excellent. When the application range of the chip band is wider, the cost of the light source is greatly reduced, and the profit of the application enterprise is geometrically increased. The company's main LED phosphor series products are mainly the following three types:
First, LED special yellow phosphor
This product is a yellow phosphor of aluminate system, which can be effectively excited by 440nm-480nm blue light. The product is manufactured using industry-leading technology and is powdered with spherical particles and narrow particle size distribution. The product has the characteristics of high relative brightness, wide effective excitation wavelength range, good thermal stability and UV stability, and low light decay. Can be used to make various types of white LEDs, widely used in lighting, display, indication, decoration and other fields.
For the purpose of use of phosphors and color temperature requirements, four different specifications of products have been formed, namely YE, YH, YM, and YL. Different LED light-emitting devices with a color temperature of 4500 to 8500K can be packaged separately with a blue chip. Each model is divided into four different particle sizes (D50/um) 8.0, 12.0, 15.0, 20.0. Suitable for various power packages.
LED special red phosphor
The product is a new type of silicate system and a red phosphor of molybdate system. It has the characteristics of high brightness, good thermal stability, safety and environmental protection, and low light decay. The related products have been applied for domestic and foreign patents, and can be used with yellow and green phosphors. Used together to produce low temperature and high display color white LED light-emitting devices. It can also be used alone with UV or Blu-ray chips to package decorative LEDs in pink, orange and red.
LED-specific green phosphor
This product is a new type of chlorosilicate system green phosphor. This series of phosphor materials can be effectively excited by blue light or ultraviolet light. The peak value of radiation is 500-520nm, and can be adjusted arbitrarily within this range. The relative brightness is high and the particle size distribution is uniform. , good thermal stability and UV stability. After being packaged by blue or ultraviolet chip, it can produce a green LED device with uniform color, which overcomes the defect of color unevenness of green LED chip, and is suitable for large-area use; it can also be used together with yellow phosphor and red phosphor to make low Color temperature, high color rendering white LED.
Actively build LED industry chain, seek cooperation, mutual benefit and win-win
Jinrui Materials Technology's LED phosphor technology is highly valued by the state and relevant government departments, and it is hoped that Jiangsu Jinrui Materials Technology Co., Ltd. will undertake 1 million LED street lights and 1 million LEDs on the basis of this technology. The automotive lamp project, Jinrui Materials Technology is developing and implementing the relevant LED industry chain plan, actively seeking cooperation, and looking forward to establishing cooperation with high-quality chip manufacturers, packaging manufacturers and terminal application manufacturers, mutual benefit and win-win. It is believed that with the joint efforts of the industry, the domestic LED industry will surely be able to embark on a road of national independent innovation with Chinese characteristics.
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