DOWA ELECTRONICS MATERIALS CO., LTD. (14-1 Sotokanda 4-chome, Chiyoda-ku, Tokyo; Capital: 1 billion yen; President: SUZUKI Takehiko; hereinafter DOWA), a subsidiary of DOWA HOLDINGS CO., LTD. (same location; Capital: 36.4 billion yen; President: SEKIGUCHI Akira) has successfully developed and released a high-efficiency Short-Wavelength-Infrared (hereinafter SWIR) LED chip series which has the world’s highest efficiency in the peak wavelength range of 1,200 to 1,900 nm. LED-based optical sensors of...

Photonics West 2019 is the largest photonics exhibition in the world with the most centralized visitors. As an international photonics industry event, Photonics West is annually held in San Francisco. During the show, deep UV LED, with its advantages of environmental friendly, long-lifetime, energy-saving, less heat loss and more, has attracted attention of visitors. The market of deep UV LED continues to expand as its product reliability and application demand increased. Nichia exhibited industrial laser and UV LED products at the show. The company’s ind...

Japan-based DOWA Electronics Materials reported its achievement of IR LED by developing short-wavelength-infrared LED chips with a high output power at 6.8 mW with a peak wavelength of 1,300 nm, which is 3.5 times higher when compared to the existing products. 

DOWA ELECTRONICS MATERIALS CO., LTD. (Headquarters: 14-1 Sotokanda 4-chome, Chiyoda-ku, Tokyo; Capital: 1 billion yen; President: Akira Otsuka), a subsidiary of DOWA HOLDINGS CO., LTD. (Headquarters: same as above; Capital: 36.4 billion yen; President: Masao Yamada), has successfully developed a deep ultraviolet LED chip featuring the world’s highest output power of 90 mW, with a peak wavelength of 310 nm, and dimensions of 1 mm × 1 mm.

DOWA ELECTRONICS MATERIALS CO., LTD. (Headquarters: 14-1, Sotokanda 4-chome, Chiyoda-ku, Tokyo; Capital: ¥ 1,000 million; President: Akira Otsuka), a subsidiary of DOWA HOLDINGS CO., LTD. (same address; Capital: ¥36,400 million; President: Masao Yamada), has developed a deep ultraviolet LED chip featuring the industry’s highest output power in the world, with a peak wavelength of 280 nm, output of 75 mW and dimensions of 1 mm × 1 mm. The company has also been prepared for a mass production for these new produc...

The second day of IR+UV Expo 2015 special forum that took place in late April in Yokohama, Japan started off with a semiconductor components for laser diodes (LD) and UV LED developments presentation by a senior researcher from Japan’s prestigious research institute, Riken.