High stability in color chromaticity of warm White emitting Diode with Dual-Hue SrSi2O2N2:Eu2+,Yb2+ Oxynitridosilicate Phosphorus

<span>In this study, we analyzed and developed a phosphor with nitridiosilicate based emitting color changing from green to orange apply our white-light-emitting diodes (WLEDs). Eu<sup>2+</sup> Yb<sup>2+</sup> trap sites of two-doped SrSi<sub>2</sub>O<sub>2</sub>N<sub>2</sub>:Eu<sup>2+</sup>,Yb<sup>2+</sup> (SrYb) nitridosilicate emit wide emission in the region between orange. Through calculating decompose time green-emission power donor, could determine converted energy active ions. Furthermore, also impact co-doping varied ion ratios on photoluminescence (PL) characteristics. As concentration increases, red dominates green. This was because obtained phoshor's depended activator components. To generate white light, combination acquired InGaN blue LED chip 450 nm wavelength used. With only two steps, detect hue balance management. Firstly, by modifying concentration, can conduct green-to-orange proportion optimization. Following that, commission onillumination (CIE) coordinates were transformed [0.4071; 0.3789] original position, which [0.2805; 0.2014] enhancing powder amount. An environment has CRI around 89 is optimum condition for conducting light.</span>