Kiyosu, Japan, April 22, 2024: Toyoda Gosei Co., Ltd. has developed deep ultraviolet (UV-C) LEDs with light output that is among the highest in the world.1 UV-C is used in disinfection as it destroys viral and bacterial DNA structures and inhibits their replication. As an alternative light source for mercury lamps used for disinfection, improved performance of UV-C LEDs has been expected. Sample sales of Toyoda Gosei’s high performance LEDs will begin internationally from April 2024,2 to promote their wider use for disinfecting water, air and surface. ...

Interior lighting accentuates the attractiveness of interior form and materials KIYOSU, Japan--(BUSINESS WIRE)--Toyoda Gosei Co., Ltd. (TOKYO:7282) has developed full color LED lamps that infuse vehicle interiors with colored light. The hue can be changed freely from among 64 colors to suit the user’s mood and respond in various other ways to individual preferences. Previous LED vehicle interior lamps produced slight differences in color in different locations, but the new light achieves full color with red, green, and blue LEDs (the thre...

Kiyosu, Japan, August 27, 2021: Toyoda Gosei Co., Ltd. will launch a “UV-C High-Speed Surface Disinfector,” which uses deep ultraviolet (UV-C) LEDs that effectively kill viruses and bacteria, in November 2021. Preorders of the product will be accepted from September 1. With the recent rise in awareness of infection prevention, Toyoda Gosei is launching various products that disinfect air and surfaces using UV-C LEDs. The UV-C High-Speed Surface Disinfector eliminates more than 99.9% of viruses and bacteria on both top and bottom surfaces...

Kiyosu, Japan, June 11, 2021: Toyoda Gosei Co., Ltd. will begin selling a “UVC Personal Space Disinfector and Deodorizer,” which uses deep ultraviolet (UVC) LEDs that can effectively eliminate viruses and bacteria, in August 2021. Toyoda Gosei is developing and selling products that purify air or water with UVC LEDs. This personal UVC space disinfector and deodorizer captures airborne viruses and bacteria in an internal filter and kills them with UVC irradiation. It can also deodorize air using a photocatalyst that effectively breaks down o...

Kiyosu, Japan, November 30, 2020: Toyoda Gosei Co., Ltd. has invested1 in Ball Wave Inc., a startup from Tohoku University that develops practical applications of ball SAW sensors.2 These sensors use natural collimation of surface acoustic waves (SAWs), a physical phenomenon predicted and experimentally verified by researchers at Tohoku University, and can instantly detect various kinds of matter in air and other gases at the nanoscale. Toyoda Gosei and Ball Wave will leverage Toyoda Gosei’s surface treatment technologies, such as painting and plating tech...

Toyoda Gosei, who announced the development of deep UV LED disinfecting module, recently confirmed the effectiveness of its product in SARS-CoV-2 inactivation. The company also reported that the UV LED module will adopted in water purification unit launching in November 2020. Toyoda Gosei has conducted a viral inactivation experiment in which the novel coronavirus (SARS-CoV-2) was irradiated using its deep UV LED technology. The experiment was conducted jointly with the Biomedical Science Association, a certified NPO, and showed these deep UV LE...

Toyoda Gosei unveiled its new deep UV LED modules developed for sterilization of water, air, and surfaces. Deep UV LEDs emit short wavelength UV light including the UVC wavelengths that destroy the genetic materials of viruses and bacteria. They are promising as a new sterilizing light alternative to replace mercury lamps. (Image: Toyoda Gosei) Aiming to expand deep UV LED applications, Toyoda Gosei has been developing products in modules or units with waterproof or heat dissipation features. In a joint experiment conducted with the Biomedical Scienc...

Toyoda Gosei, the Japanese industrial group, announced its investment in IMUZAK, a optics technology startup, for strengthening optical modules for autonomous driving technology development. The evolution of autonomous driving technology is expected to increase the need for parts equipped with sensing functions to recognize the surrounding environment, such as nearby vehicles or pedestrians and road configuration, and human-machine interface functions for communication between vehicles and people. Given this trend, Toyoda Gosei is integrating sensors and other electronic co...

Toyoda Gosei has developed an air conditioner register with LED illumination for automotive application that uses wireless power transfer technology based on magnetic resonant coupling. (Image: Toyoda Gosei) With LED light, the new vent register improves the night visibility of the knob that adjusts the direction and strength of air flow. The adoption of wireless power transfer technology avoids problems caused by conventional wired power supply that the wire harness could break from repeated manipulations of the knob. In addition, a wireless system allows greater freedom...

Toyoda Gosei announces that it will soon begin sales of the glass-encapsulated ultraviolet LED products developed in March of last year for use as an industrial light source in the curing of resins, ink and adhesives. 

According to AIXTRON SE's press release, Japanese group Toyoda Gosei has acquired an enhanced 5x4-inch CRIUS Close Coupled Showerhead (CCS) system to manufacture Blue and Ultra Violet (UV) LEDs. The tool is scheduled for delivery in the first half of 2017.

Toyoda Gosei has developed a new glass-encapsulated ultraviolet LED product with a fully sealed structure.

Toyoda Gosei has developed a new LED package for lighting that produces up to 200 lumens per watt (lm/W), while maintaining color fidelity. The LED package is designed for general lighting applications, such as bulbs, tubes, downlights, and ceiling lights. This new package gives our clients cost-effective alternatives to fluorescent and lower CRI (Color rendering index) LED products and can help reduce overall energy consumption.

Research reported in Applied Physics Express (APEX) by Tohru Oka and colleagues at the Research and Development Headquarters for TOYODA GOSEI Co., Ltd in Japan describe the development of ‘vertically orientated’ GaN-based transistors with blocking voltages exceeding 1kV. These findings are important for the application of nitride devices in automobiles and related areas. 

Jufei Opto recently announced it had signed a strategic white LED patent license agreement with Toyoda Gosei’s Shanghai arm.

Toyoda Gosei Co., Ltd. and OSRAM GmbH, Germany have extended their agreement which allows the companies to use each other’s patents for specific light emitting diode (LED), including white LED, and laser technologies.

Harvatek Corporation (“Harvatek”) and Toyoda Gosei Co. Ltd (“TG”) have voluntarily signed and entered into a License Agreement relating to silicate-based LEDs.

The industry’s new round of global LED patent competitions will bring new challenges to the industry, said Ryoichi Tohmon, Director of Intellectual Property Project of Global Marketing and Sales Department at Toyoda Gosei during a talk at LEDforum Guangzhou 2014 in Guangzhou, China on June 11, 2014.

Tokyo-based chemical manufacturer Showa Denko K.K. (SDK) has announced to split off and transfer its GaN LED epitaxial wafer and chip production business to its subsidiary TS Opto Co Ltd (which was founded at the end of September at SDK’s plant in Ichihara City, Chiba Prefecture),at its latest board meeting. SDK’s GaN LED business had net sales of JPY5322m in 2011. While existing sales activities will not be transferred to TS Opto, SDK itself will stop selling GaN LEDs as of the 1 December date for the business’ transfer ...

Recently, Showa Denko K.K. (SDK) has announced to set up a joint venture with Toyoda Gosei Co., Ltd. (Toyoda Gosei), for GaN LED Business by the end of 2012. SDK is producing and selling a wide variety of LED chips, including aluminum-gallium-indium-phosphide (AlGaInP), gallium-arsenide (GaAs), gallium-phosphide (GaP), and GaN. It will split its business in gallium-nitride (GaN)-based blue LED chips, and transfer 70% of shares in the new company to Toyoda Gosei. The joint venture will be established in the area of GaN LED chips being pr...

Recently, Japanese LED product supplier Toyoda Gosei Co. Ltd. has filed a lawsuit with the Taoyuan District Court in northern Taiwan, accusing its Taiwanese counterpart Formosa Epitaxy Inc. of infringing on two patents asserted by the Japanese firm related to GaN-based LED chip production. According to Hsu Hung-sheng, a lawyer for the Japanese firm, said his client has sought damages from Formosa Epitaxy and requested the court issue an injunction to bar the Taiwanese defendant from manufacturing and selling the disputed LED products. Additionally, not...

According to a report in Taiwan Economic News, Frank Chien, chairman of Taiwanese LED maker Formosa Epitaxy predicted that the rise of table PCs may drive shortage of high-end LED chips starting February 2011 at the earliest. Chien confirms that Formosa Epitaxy started delivering LEDs for tablet PCs in October.

It’s reported that Taiwan-based LED chip maker Huga Optotech was accused by patent licensing company Bluestone Innovations, because Bluestone thought Huga had infringed upon its intellectual property in Group III-V nitride production process. Huga was seeking legal council to decrease the impact on its operation.

Due to Samsung’s plan to roll out new LED-lit liquid-crystal display TVs in December after nearly half a year of suspension to clear its stock of CCFL TVs, Taiwan Unity Opto Technology, the major TV backlights supplier to Samsung and LG, schedules its revenue with an estimated NT$12 billion (US$400 million), to soar 70% in 2011 over 2010, aiming to control over 10% of the world market for L

Toyoda Gosei Co., Ltd., Epistar Corporation, and Twin Hill Co., Ltd., a sales agent for Toyoda Gosei, have formally agreed to establish a joint venture in Taiwan to develop, manufacture, and market light emitting diodes (LEDs).

Taiwan’s No.1 LED chipmaker Epistar Inc. is reportedly to will sign a patent cross-licensing agreement with its Japanese counterparts Nichia or Toyoda Gousei in a bid to further boost earnings and revenue. Once the deal is concluded Taiwan’s LED industry would see its price/earnings ratio surge to at least 20 folds as a whole from current 15 folds or so, according to the industry executives estimated.

Toyoda Gosei Co Ltd. and Sharp Corp have entered into a cross-licensing agreement, which granted each other the right to use inventions related to nitride-based LEDs and laser diodes covered by patents owned by the respective companies in Japan and in other countries.

Lumidas Japan Co Ltd exhibited a number of "LumiDas" series LED lighting products developed and manufactured by Fawoo Technology Co Ltd of Korea at Eco-Products 2008 (from Dec 11 to 13, 2008, at Tokyo Big Sight in Chiba Prefecture, Japan).