







发光效率 (fā guāng xiào lǜ) means “luminous efficiency, luminous efficacy” in Chinese. See the pinyin, native audio pronunciation, and 2 example sentences with English translations.
luminous efficiency
luminous efficacy
And its luminous efficiency than ordinary fluorescent lamps increased by 30%, about 5 times the incandescent lamp.
The luminescence efficiency, life time and stability of organic electroluminescence devices (OELDs) can be improved significantly by modifying the electrodes of OELDs.