The paper entitled "Effects of size on the electrical and optical properties of InGaN-based red light-emitting diodes" reports the investigation of the effect of red LED chip size. It confirmed the specific feature of larger or smaller chip sizes. we obtained the high characteristic temperature of 399 K and the small redshift tendency of 0.066 nmK-1. This paper has been chosen as an Editor's Pick. Congratulations! Appl. Phys. Lett. 116, 173501 (2020). DOI: 10.1063/5.0006910