Nichia Filed a Lawsuit against Tsannkuen Japan

According reports from Nichia, Tokyo District Court has issued a provisional injunction order, fully in favor of Nichia in the case where Nichia filed provisional injunction action on September 6, 2010 at Tokyo District Court to enjoin Tsannkuen Japan, a sub Nichia sidiary of a Taiwanese company, from infringing Nichia's patent.

The infringed patent is one of Nichia's patents concerning the technology of combining photo-luminescent material with blue LED, and is employed in many white LED products that combine photo-luminescent material with blue LED.

The court found that the LED light bulbs manufactured by Tsann Kuen infringes upon Nichia's patent, and the import, sale, etc. of such products (photograph shown below) were enjoined by the order.

Following this order, Nichia plans to bring a claim for damages for past infringements. Nichia understands that this order publicly recognized the rightfulness of Nichia's assertion through judicial proceeding.
 

Disclaimers of Warranties
1. The website does not warrant the following:
1.1 The services from the website meets your requirement;
1.2 The accuracy, completeness, or timeliness of the service;
1.3 The accuracy, reliability of conclusions drawn from using the service;
1.4 The accuracy, completeness, or timeliness, or security of any information that you download from the website
2. The services provided by the website is intended for your reference only. The website shall be not be responsible for investment decisions, damages, or other losses resulting from use of the website or the information contained therein<
Proprietary Rights
You may not reproduce, modify, create derivative works from, display, perform, publish, distribute, disseminate, broadcast or circulate to any third party, any materials contained on the services without the express prior written consent of the website or its legal owner.
Macroblock, a leading global manufacturer of LED driver ICs, participates in the DVN Munich Workshop that is held from February 4–5, 2026 in Munich Germany. The DVN Munich Workshop is an annual industry forum that brings together global aut... READ MORE

LED displays continue to expand their application landscapes. More end users are now adopting LED screens for major events and venues—bringing these technologies closer to everyday life. Meanwhile, in areas such as commercial backlightin... READ MORE