New developments in MITSUBISHI chemical and US patent on phosphor powder: the latter request was rejected

MITSUBISHI Chemical Corporation (Headquarters: Tokyo Chiyoda, President: more Zhiren, hereinafter referred to as "MCC") and the national research and Development Corporation material and materials research institutions (Ibaraki County, Tsukuba City, chairman of the board of directors: Hashimoto Kazuhito, hereinafter referred to as "NIMS") announced on the United States, Intel China photoelectric (Suzhou) Co. Ltd. (English translation: IntematixSuzhou lighting Co., Ltd., hereinafter referred to as "intematix photonics company") Chinese patent in November 2, 2016 for MCC and NIMS are widely used in the common red fluorescent powder of LED (Chinese patent No. ZL 201110066517.7, hereinafter referred to as "the patent" (Note 1) declared invalid) request to put forward the Patent Reexamination Board in May 10, 2017, has received the review decision, the committee rejected all the intematix photonics company claims to maintain the patent is Effectiveness.

This patent is one of the basic patent groups that extensively cover the red phosphor known as CASN, SCASN or 1113 phosphor (Note 2) and its LED, lighting and LCD backlight. CASN and SCASN fluorescent powder because of its high brightness and reliability, is the most widely used red fluorescent powder to LED, our company manufacturing the red fluorescent powder sales, got LED manufacturers support and praise.

In addition, MCC in January 23, 2015, the American intematix (IntematixCorporation) and intematix Photonics (Suzhou) Co., Ltd. in Shenzhen, China vendors case bright optoelectronics Co. Ltd. (English translation: GrandLux Optoelectronic Co., Ltd. Intematix, Corporation in Chinese sales agents) the three companies, in violation of the patent on the grounds. Filed a lawsuit to Shenzhen City Intermediate People's court, asking them to stop infringement tort in products such as fluorescent powder China production and sales, and put forward a claim for damages. Although the patent infringement lawsuit is under trial, the patent review board has acknowledged the validity of the patent and believes it will speed up the trial in the future.

The decision in accordance with the law once again recognized effective for many years in China actively carry out investment and business activities of the MCC is very important intellectual property, MCC will continue for the healthy development of the fluorescent powder industry and keeping good order to contribute. In the future, if there is any infringement of the company's patent, MCC will take appropriate measures in accordance with the law and will never tolerate it.

(Note 1) this patent, except mainland China, is licensed in Japan, the United States, South Korea and the Taiwan region of china. In addition to this patent, MCC also holds CASN and SCASN phosphor related patents.

(Note 2) CASN, SCASN, or 1113 phosphors are phosphors based on CaAlSiN3:Eu, (Sr, Ca), AlSiN3:Eu and so on.

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