一、彩色濾光片是什么
彩色濾光片(Color filter)是一種表(biao)現顏色的(de)光學濾(lv)(lv)(lv)光片(pian)(pian),它可以精(jing)確選擇欲(yu)通(tong)過的(de)小(xiao)范圍(wei)波段(duan)(duan)光波,而反(fan)射掉(diao)其他不希望通(tong)過的(de)波段(duan)(duan)。彩色濾(lv)(lv)(lv)光片(pian)(pian)通(tong)常安(an)裝在光源的(de)前(qian)方,使人眼可以接收到飽和的(de)某個顏色光線(xian)。有紅(hong)外濾(lv)(lv)(lv)光片(pian)(pian),綠色,藍(lan)色等(deng)。與UV濾(lv)(lv)(lv)光片(pian)(pian),VD濾(lv)(lv)(lv)光片(pian)(pian)相(xiang)比,凡是帶色的(de)濾(lv)(lv)(lv)光片(pian)(pian)之總稱。如(ru)反(fan)差濾(lv)(lv)(lv)光片(pian)(pian)、分色用濾(lv)(lv)(lv)光片(pian)(pian)、LB濾(lv)(lv)(lv)光片(pian)(pian)等(deng)。
二、彩色濾光片的作用
彩色濾光(guang)(guang)片用(yong)途包(bao)括通(tong)(tong)過選色通(tong)(tong)帶(dai)及(ji)顯(xian)(xian)(xian)示器(qi)(qi)的(de)最大輸(shu)出功率對單色顯(xian)(xian)(xian)示器(qi)(qi)(如VF(Vacuum Fluorescent)真空熒(ying)光(guang)(guang)顯(xian)(xian)(xian)示器(qi)(qi)、EL(Electroluminescent)電(dian)熒(ying)發光(guang)(guang)顯(xian)(xian)(xian)示器(qi)(qi)、LED發光(guang)(guang)二極管顯(xian)(xian)(xian)示器(qi)(qi))進(jin)行反(fan)(fan)差(cha)(cha)增強。寬帶(dai)濾光(guang)(guang)片用(yong)來提高光(guang)(guang)學掃描儀和紅、黃、琥珀(po)色發光(guang)(guang)二極管顯(xian)(xian)(xian)示器(qi)(qi)的(de)反(fan)(fan)差(cha)(cha)及(ji)性能。中密度三(san)槽型濾光(guang)(guang)片及(ji)極化(hua)鏡通(tong)(tong)過減(jian)少(shao)內部反(fan)(fan)射(she)并在顯(xian)(xian)(xian)示器(qi)(qi)輸(shu)出功率及(ji)背景之間產生一個較大的(de)變(bian)量從而增強液(ye)晶顯(xian)(xian)(xian)示器(qi)(qi)(LCD)的(de)反(fan)(fan)差(cha)(cha)。
Contrast Enhancement:反差增強中(zhong)密度濾光(灰(hui)色、青(qing)銅色)
寬帶濾光片(黃色、琥珀色、紅色)
通帶濾光片(藍色、綠色)
定(ding)制彩色濾光片(三槽型濾光片)
極化鏡(線(xian)性或圓形(xing))
Band Rejection:帶阻近紅外(wai)線濾光片
阻紅外線熱反射(she)器
夜視濾光片
Dontech彩色濾光片由光(guang)學襯(chen)(chen)底制成,如丙(bing)烯(xi)酸(suan)、聚碳酸(suan)酯和玻璃。通(tong)過(guo)堆(dui)積襯(chen)(chen)底與吸水性(xing)材料(liao)或進行薄膠片(pian)鍍膜可(ke)進行著色;這些鍍膜可(ke)通(tong)過(guo)或阻止可(ke)見光(guang)、紅(hong)外和近紅(hong)外光(guang)譜的特殊波長(chang)。