brightness decay

基本解釋

Adopt PMMA efficient lens, Lower decay, high brightness.
采用光學(xué)級(jí)PMMA 高效透鏡，光損小，照度好。
With proprietary technology of ventilative and perforative solution, the LED light source's brightness decay could be lower than 5%.
采用通風(fēng)穿孔式散熱的專利技術(shù)，使LED光源光衰小于5%；
The brightness of long decay phosphors composed of rare-earth activator depends on the components of the raw material and temperature of fire.
以稀土為激活劑的長(zhǎng)余輝磷光體，它的余輝亮度主要受原材料配比和煅燒溫度的影響。