一、整機穩定性(包括使用時間、抗干擾等)
液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)在(zai)構成(cheng)數字告示系統時(shi)(shi)(shi),通(tong)(tong)(tong)常(chang)(chang)需要(yao)(yao)天(tian)(tian)天(tian)(tian)24小時(shi)(shi)(shi),每(mei)年365天(tian)(tian)連續無中斷的(de)(de)(de)(de)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)使用(yong)(yong)(而(er)電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)(ji)通(tong)(tong)(tong)常(chang)(chang)天(tian)(tian)天(tian)(tian)僅工(gong)作幾小時(shi)(shi)(shi)),并且某些拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)的(de)(de)(de)(de)應用(yong)(yong)環(huan)(huan)境可(ke)能(neng)(neng)較為(wei)惡劣,這(zhe)就要(yao)(yao)求(qiu)液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)的(de)(de)(de)(de)可(ke)靠性(xing)和穩(wen)定性(xing)更(geng)高(gao)。與(yu)電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)(ji)相比而(er)言,在(zai)設(she)計上(shang),液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流、功(gong)耗、溫度(du)及(ji)抗(kang)電(dian)(dian)(dian)(dian)(dian)干(gan)擾、電(dian)(dian)(dian)(dian)(dian)沖(chong)擊(ji)的(de)(de)(de)(de)能(neng)(neng)力和裕度(du)以(yi)及(ji)均勻無故障(zhang)使用(yong)(yong)時(shi)(shi)(shi)間(jian)均要(yao)(yao)遠大于(yu)電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)(ji),同(tong)時(shi)(shi)(shi)液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)還必須(xu)使用(yong)(yong)全(quan)屏(ping)(ping)(ping)蔽金屬(shu)外殼確(que)保電(dian)(dian)(dian)(dian)(dian)磁兼容和干(gan)擾性(xing)能(neng)(neng);在(zai)元(yuan)器件(jian)的(de)(de)(de)(de)選型(xing)上(shang),液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)使用(yong)(yong)的(de)(de)(de)(de)元(yuan)器件(jian)的(de)(de)(de)(de)耐壓、電(dian)(dian)(dian)(dian)(dian)流、溫度(du)、濕度(du)等(deng)各(ge)方面特(te)性(xing)都要(yao)(yao)高(gao)于(yu)電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)(ji)使用(yong)(yong)的(de)(de)(de)(de)元(yuan)器件(jian);而(er)在(zai)安裝(zhuang)、調試尤其是元(yuan)器件(jian)和整(zheng)(zheng)機(ji)(ji)(ji)老(lao)化(hua)的(de)(de)(de)(de)工(gong)藝要(yao)(yao)求(qiu)上(shang),液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)的(de)(de)(de)(de)要(yao)(yao)求(qiu)也(ye)更(geng)高(gao),電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)(ji)制造(zao)時(shi)(shi)(shi)整(zheng)(zheng)機(ji)(ji)(ji)老(lao)化(hua)通(tong)(tong)(tong)常(chang)(chang)是在(zai)流水線上(shang)常(chang)(chang)溫通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)8小時(shi)(shi)(shi)左右,而(er)液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)的(de)(de)(de)(de)整(zheng)(zheng)機(ji)(ji)(ji)老(lao)化(hua)則需要(yao)(yao)在(zai)高(gao)溫、高(gao)濕密閉環(huan)(huan)境的(de)(de)(de)(de)老(lao)化(hua)流水線上(shang)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)老(lao)化(hua)24小時(shi)(shi)(shi)以(yi)上(shang),以(yi)確(que)保整(zheng)(zheng)機(ji)(ji)(ji)的(de)(de)(de)(de)穩(wen)定性(xing)。普通(tong)(tong)(tong)的(de)(de)(de)(de)液(ye)晶(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)視(shi)使用(yong)(yong)的(de)(de)(de)(de)LCD液(ye)晶(jing)(jing)(jing)(jing)屏(ping)(ping)(ping)其背(bei)光源的(de)(de)(de)(de)使用(yong)(yong)壽命為(wei)1萬(wan)至3萬(wan)小時(shi)(shi)(shi),而(er)液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)背(bei)光源的(de)(de)(de)(de)使用(yong)(yong)壽命均可(ke)達(da)6-7萬(wan)小時(shi)(shi)(shi)以(yi)上(shang)。液(ye)晶(jing)(jing)(jing)(jing)拼(pin)(pin)接(jie)(jie)屏(ping)(ping)(ping)廠家
二、圖像清楚度
液晶(jing)拼接顯(xian)示(shi)用(yong)(yong)具有直觀反映圖像質量的(de)(de)功能(neng),加之全1920*1080分辨(bian)率(lv)對于數字告示(shi)領域的(de)(de)顯(xian)示(shi)設備的(de)(de)選用(yong)(yong),液晶(jing)拼接屏是優(you)先選擇(ze)的(de)(de)拼接屏,專(zhuan)業拼接屏分辨(bian)率(lv)是根據顯(xian)示(shi)輸出自動調整分辨(bian)率(lv)(不管(guan)橫豎都可以支持);其高可靠性和高清楚(chu)顯(xian)示(shi)能(neng)力將保證(zheng)您可以將記錄編輯(ji)好的(de)(de)高清楚(chu)影(ying)音(yin),視頻信號完整的(de)(de)顯(xian)示(shi)在(zai)觀看者眼前。
反之,液晶(jing)電(dian)視(shi)只支(zhi)持說明書中(zhong)規定的(de)幾(ji)(ji)種(zhong)電(dian)視(shi)常(chang)用(yong)分(fen)辨(bian)(bian)率(lv)。由(you)于(yu)民(min)用(yong)電(dian)視(shi)信號的(de)分(fen)辨(bian)(bian)率(lv)只有(you)幾(ji)(ji)種(zhong),電(dian)視(shi)LCD只要根據民(min)用(yong)用(yong)戶(hu)使用(yong)的(de)常(chang)用(yong)幾(ji)(ji)個分(fen)辨(bian)(bian)率(lv)進行效果處理,特(te)殊分(fen)辨(bian)(bian)率(lv)會(hui)導致花屏。
三、色彩還原度
假如(ru)說清楚度主要(yao)是由(you)視(shi)頻通(tong)(tong)(tong)道(dao)的(de)幅頻特性決(jue)定的(de)話,還原度則主要(yao)由(you)液晶(jing)拼接屏(ping)中有紅(R)、綠(G)、藍(lan)(B)三基色的(de)色度信(xin)號和亮度信(xin)號的(de)相位(wei)所(suo)決(jue)定。由(you)于液晶(jing)拼接屏(ping)所(suo)觀察(cha)的(de)通(tong)(tong)(tong)常為靜態圖像,因而對拼接屏(ping)色彩還原度的(de)要(yao)求比電(dian)(dian)視(shi)機更高,故(gu)專業拼接屏(ping)的(de)視(shi)放通(tong)(tong)(tong)道(dao)在亮度、色度處理和R、G、B處理上應具備的(de)補償電(dian)(dian)路(lu)和延(yan)遲電(dian)(dian)路(lu),以確保亮/色信(xin)號和R、G、B信(xin)號的(de)相位(wei)同(tong)步。
反之(zhi),液晶電視由于使用環境要求所至(zhi),圖象是經過潤(run)色處理后進(jin)行顯(xian)示(shi)。不能(neng)完全真實(shi)反映(ying)實(shi)際效果(guo)。
四、機器材料的使用
由于(yu)使用環(huan)(huan)境的(de)要求,液晶電(dian)視機器外殼材質部分采(cai)用金屬(shu)質地。且內部板線都是產(chan)(chan)業(ye)化設計(ji),不輕(qing)易老化;節能環(huan)(huan)保(bao)理念的(de)體現:低能耗設計(ji);環(huan)(huan)保(bao)材料使用。規整的(de)外觀,便于(yu)拼接,組合(he)安裝等產(chan)(chan)業(ye)需(xu)要。
反之(zhi),液晶電視整(zheng)(zheng)機外殼全部為(wei)非(fei)金屬(shu)材質設計。內部板線是(shi)采(cai)用(yong)(yong)民用(yong)(yong)設計,長時間開(kai)機輕易造成機件(jian)老化。另外民用(yong)(yong)電視外觀多(duo)是(shi)非(fei)規則外觀,附帶數字標(biao)牌(pai)拼接屏系統(tong)、外觀圓(yuan)弧系統(tong)等作為(wei)聽覺和視覺的附屬(shu)設施(shi),施(shi)工起(qi)來整(zheng)(zheng)體美觀和效果都(dou)會大(da)打折扣。
五、端口
液晶拼接(jie)屏多采(cai)用(yong)產業端口例如RGBBNC的(de)色差(cha)帶自鎖機構的(de)接(jie)口和專業的(de)DVI-D視頻接(jie)口;
反之,液(ye)晶電(dian)視則沒有(you)BNC自(zi)鎖(suo)色差輸進(jin)接口和DVI-D接口;
六、控制接口
液晶拼接屏可(ke)采用S232串口控(kong)制,開(kai)(kai)放的控(kong)制口令多(duo)(duo)達200多(duo)(duo)條,適應各種(zhong)產(chan)業(ye)環境。方(fang)便多(duo)(duo)拼接屏使用時(shi),不用通(tong)過遠(yuan)控(kong)器(qi)(qi)就可(ke)以控(kong)制所有顯示(shi)設(she)備,并能夠輔(fu)助(zhu),定(ding)時(shi)開(kai)(kai)機,延時(shi)開(kai)(kai)機、機器(qi)(qi)自檢(jian)等(deng)各種(zhong)產(chan)業(ye)要求。
反之,液晶電視也可(ke)采用S232串口控(kong)制(zhi)。但只能實現遠控(kong)器所具備(bei)的(de)控(kong)制(zhi)指令。并不(bu)能實現產業控(kong)制(zhi)。
七、無風扇架構
液晶(jing)拼接(jie)(jie)屏在(zai)設計上采用(yong)無機械排風(feng)扇來保持空氣流通和散(san)熱,從而(er)避免(mian)由(you)(you)于機械排風(feng)扇導致的灰塵(chen)和風(feng)扇噪(zao)音題目,當內部溫度(du)由(you)(you)于不明原因(yin)而(er)升高時,液晶(jing)拼接(jie)(jie)屏自動(dong)控(kong)制背(bei)光系統將(jiang)溫度(du)保持在(zai)比較高工作溫度(du)之下。
反之(zhi),液晶(jing)電視由于應(ying)用的環境所(suo)致,對此無嚴(yan)格要求。
八.亮度
普(pu)通的(de)液晶(jing)電視亮度只(zhi)有200cd/m2,而拼接拼可(ke)以達到(dao)450cd/m2或者700cd/m2