Why are other industries and overseas companies so actively involved in the LED lighting industry, why is the market so active? This is because the luminous efficiency and price that have been recognized as the subject of LED lighting have been improved, and all of them exceed the results of the upcoming LED lighting of fluorescent lamps. "(LED lighting) will be able to compete with fluorescent lamps before and after 2012" (Dali Fufu, chief planning director of LED devices at Matsushita Electric's LED device development center).

First of all, the luminous efficiency of LED chips is increasing year by year. The development blueprint announced by the Japanese LED Lighting Promotion Association (JLEDS) in 2008 expects that the luminous efficiency of the high-efficiency white LED will reach 120 lm/W by 2009 and 150 lm/W by 2015. However, at the time, some manufacturers stated that they would “in the future Within two to three years, 150 lm/W can be delivered to the market" (Yoshida Yamada, Vice President, Japan Business, Philips Electronics Japan), “It has reached 120 to 130 lm/W, and it has achieved a volume of 150 lm/W. "Products" (Takisaki Den, deputy director of Niyasa Chemical Industry Co., Ltd.), the efficiency increase in the past one or two years has exceeded expectations. In general, LED lighting has the effect of power loss and temperature rise, so the luminous efficiency (comprehensive efficiency) of the entire lighting fixture is usually 3 to 50% lower than that of the LED chip, and is only about 50 to 70 lm/W. However, recently, products with an overall efficiency of 80 lm/W or more are not uncommon. Although the level has not reached the high-efficiency high-frequency lighting (HF) type fluorescent lamp whose general efficiency is considered to be nearly 100 lm/W, it is already approaching the fluorescent lamp.

Faced with such high customer expectations and rapid market growth, the old and large manufacturers in the lighting industry started to launch LED lighting '>LED lighting new products from around 2008. Moreover, some listed companies in other industries have also begun to actively participate. In September 2008, Sharp brought the basic lighting and downlight products into the market. The electronic component manufacturer ROHM listed the downlight product at the end of 2008, and in the spring of 2009, it launched a base lighting product for shops jointly developed with the design company. In addition, Yamato Building Industry also developed a store-oriented base lighting product with Kyocera and NABESHO.

Big manufacturers have stepped into the LED lighting market for ordinary consumers. In 2008, Sharp entered the market through listed basic lighting products. After that, some listed companies such as Roma, Daiwa Housing Industry, and Mitsubishi Chemicals also launched products one after another. Mitsubishi Chemical also announced that it will launch products in 2010.

In July 2009, Mitsubishi Chemicals introduced direct-piped LED lighting that replaced fluorescent lamps. The product was jointly developed by Mitsubishi Chemicals and LEDTECHELECTRONICS in Japan and Cisco in Japan. It can be mounted on 40W fluorescent lamps. Although Mitsubishi Chemicals is a factory equipment and environmental equipment manufacturer that uses hydrogen generation equipment as its strength, the company believes that “it is not about the economic situation, and it is able to complement each other's business” (Mitsubishi Chemicals Planning and Development Director, Pig Sakura Changbo) , decided to get involved in LED lighting business.

In addition, Mitsubishi Chemical also announced its involvement in the LED lighting business. In 2008, the company acquired the GaN-based LED that emits near-ultraviolet light from the Mitsubishi Electric Wire Industry. It will make full use of its advantages in materials technology such as phosphors and be involved in the field of lighting as the final product. The company plans to launch products in 2010 and use the name "Verbatim", a high-profile optical disc brand not only in Japan but overseas, to expand its sales in Europe and other regions.

It is not just Japanese companies in other industries that are eager to see a booming new market. The overseas lighting giants such as Philips Lighting in the Netherlands and Osram in Germany are also taking advantage of the popularity of new lighting such as LEDs to find opportunities to increase market share. For example, in addition to general lighting, Philips is also working on special lighting such as searchlights and indirect lighting.