Strategy of choosing LED

2019 / 05 / 30

相信大家都聽唔少「藍光」對雙眼嘅傷害啦 ~ 但其實所有光源都要靠紅、綠、藍呢三種色先可以形成光，咁唔知揀燈嘅時候又有冇需要揀啲低藍光嘅燈呢? 一齊去文睇睇啦!