1. 硬件(jian)(jian)、軟件(jian)(jian)、結(jie)構(gou)、包裝材料(liao)
2. 硬件(jian)(jian)環境、軟件(jian)(jian)環境、外觀質量、外殼(ke)防護等級(ji)、拼裝精度
3. LED顯示屏的功(gong)用特(te)性
2. 接地(di)、安全符號,對地(di)漏(lou)申(shen)流,抗申(shen)強度,溫升(sheng)節(jie)能(電(dian)源(yuan)均勻效(xiao)率、亮度調整)
2. 電(dian)(dian)(dian)學特性(灰度(du)等級、換幀(zhen)頻率、改寫頻率、像素失(shi)控率、供電(dian)(dian)(dian)電(dian)(dian)(dian)源);電(dian)(dian)(dian)磁兼容(無(wu)線電(dian)(dian)(dian)打(da)擾(rao)、抗擾(rao)度(du));
3. 環境適應性(高低(di)溫作業、高低(di)溫貯存、濕熱、振動(dong)、運輸試驗);均勻失(shi)效距(ju)離作業時間