New applications of solid-state lighting call for high luminous efficiency LED

With the increasing attention of the general lighting and high power applications, suppliers have launched a new LED product with higher luminous efficiency, light attenuation and lower energy consumption. Large scale market shift to efficient lighting, providing a valuable impetus for the LED industry, solid state lighting applications are driving steady growth in LED production, while slowly reducing the market share of traditional lighting sources.

Compared with fluorescent lamps and incandescent lamps, LED lamps for general lighting applications with the luminous intensity of low power and high demand, but the production cost is high, the Hongkong and Taiwan regions suppliers have to reduce costs as a top priority, and constantly improve the light efficiency, heat dissipation, high throughput performance and color rendering the enhanced index (CRI) value is also the focus of research and development.

Taiwan Wei new Au Optronics Co to launch more manufacturers for general lighting products are for street lights, tunnel lights and large spotlights and other industrial fields, and the groove light signs and billboards lighting business. The LQ220WS1 series LED street lamp has a 5000~6500K color temperature, using a copper heat pipe and aluminum radiator. The series includes 60W, 90W, 120W and 150W models.

The use of integrated LED technology in Taiwan hailier Limited by Share Ltd can produce AC driven LED - I-LED, the multiple units into a single chip. Unlike DC drive LED, the I-LED can use a low voltage AC/DC power supply (12V, 24V or 48V), as well as a high voltage AC power supply (120VAC or 240VAC). With these features, I-LED is suitable for automotive or MR16/G4 compatible lighting devices, as well as general lighting applications.

AnthonyChan, head of Asia Pacific, said the company was the first company in Hongkong to produce LED for general lighting. Allegedly, its LED lights can save up to 95%. Where the power consumption of 1W, 3W and 6W products sell best, its lighting effects are equivalent to 30W, 60W and 100W incandescent lamp. These energy-saving lighting systems (EEL) using tubular design, can easily replace the ordinary CCFL tube. In addition, the company also produces LED tube - 5 mm by different color LED lamp, suitable for wardrobes, bookcases and booth.

Shenzhen Sonny Wei Solar Energy Technology Co., Ltd. in 2008 Q4 launched for general lighting linear LED lamp. LED and LED linear lights are the company's main products. For example, the SN-PL8/24 is a 2 feet linear lamp, composed of 171 wide angle LED, it uses T8-G13 lamp holder, the working voltage is 85~268VAC50/60Hz, luminous flux is 560lm, the output power is 8W. SN-PL8/24 also has 4 feet version - SN-PL8/48, consisting of 300 LED, luminous flux is 1050lm, the output power of 15W. These two kinds of LED lamps can be used T5 lampholders, transparent PC tube packaging.

In addition, Shenzhen Sonny Wei Solar Technology Co., Ltd. also produces LED Garden lights, low voltage LED lights, LED power indicator, as well as agricultural and solar panels solar system.

New product development goals: 100lm/W luminous efficiency

The rapid development of optoelectronic technology creates conditions for suppliers to maximize the luminous efficiency of LED, some of the Taiwan regional Corporation said it is cooperation with scientific research institutions to carry out product development, actively use the new technology more advanced.

Qi Han Au Optronics Co and the semiconductor lighting industry in Taiwan to promote the fraternity to develop R & D luminous efficiency can be as high as 100lm/W LED, and hopes to launch 80lm/W products in the near future. Qi Han photoelectric current standard model is 75lm/WLED. In addition, it also produces 5W and 10WLED using the COB package, which has lower thermal resistance than the lead frame, and is more suitable for high power applications.

Institute of electronics and optoelectronics, Taiwan Institute of industrial technology, and East China Normal University. The company's goal is also 100lm/W's LED products. Wei Xin photoelectric production of LED luminous efficiency of 80lm/W to 90lm/W.

The core technology transfer hailier from Taiwan Institute of Technology Industrial area. The company said it is actively developing AC driven LED and LED with high CRI. The company's CRI value has increased to more than 85%, the product is suitable for commercial and display lighting.

Hot pursuit of the same industry in Asia, mainland China manufacturers can also provide luminous efficiency of up to 70lm/W of the LED lamp, the manufacturer's focus is still to improve the durability and stability.

Shenzhen City Branch Electronics Co., Ltd. said it plans to 60lm/W, 1WLED luminous efficiency increased by 10%. The company is also working to reduce the decay of 10000 hours to less than $10%. Rayconn electronics has begun production of low optical attenuation of LED lamp samples, the product in 11420 hours to maintain 94% illumination. It uses a new type of high power LED and German partners in the joint development, conforms to the RoHS standard, and has been verified by CE.

Shenzhen City Crystal Optoelectronics Technology Co., Ltd. is working to improve the luminous efficiency from 60lm/W to 70lm/W, the working life of the extension to 50000 hours. Shellfish photoelectric production patented LED lamp, using IP65 package, can withstand harsh temperature conditions. This lamp is equipped with red, green and blue LED, can be easily split into three rows, and separate control, in order to achieve a variety of color change order.

Shenzhen city on the photoelectric Co., Ltd. is improving its durability and performance stability, and constantly improve the conversion efficiency and reduce heat radiation. Its products have been CE certification, some of the LED module and flexible LED light strip obtained three patents. The company uses American CREE and Korean Itswell chips.