MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202647126571 A) filed by Nichia Corporation on October 23, 2026, for Nitride Phosphor, Light-Emitting Device, And Method For Producing Nitride Phosphor.

Inventors include Kanai Eishi; and Wakui Sadakazu.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: Provided are a nitride phosphor, a light-emitting device, and a method for producing the nitride phosphor. This nitride phosphor has a composition represented by formula (1). (1): M1sM2tM3x(Al1-uM4u)vNwR5y (In formula (1), M1 is at least one element selected from the group consisting of Sr, Ca, Ba, and K; M2 is at least one element selected from the group consisting of Li, Na, and Mg; M3 is at least one element selected from the group consisting of Eu, Mn, Ce, and Tb; M4 is at least one element selected from the group consisting of Ga, In, and B; R5 is at least one element selected from the group consisting of F, Cl, Br, and I; and s, t, u, v, w, x, and y respectively satisfy 0.7 = s = 1.3, 0.7 = t = 1.45, 0 u = 0.38, 2.4 = v = 3.7, 3.0 = w = 5.0, 0 x = 0.2, and 0.2 y = 0.8.

Disclaimer: Curated by HT Syndication.