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重庆LED_LED显示屏选购知识

2018-05-09  来自: 重庆腾耀科技有限公司 浏览次数:874

ZAIGUONEILEDXIANSHIPINGXINGYE,LIANGDUYIZHISHIDAJIANALAIPINGGUXIANSHIXIAOGUODEZUIZHIYAOZHIBIAO,TEBIESHIZHENDUIHUWAISHIYONGDEPINGMU。JIUERJIUZHIJIUXINGCHENGLELIANGDUYUEGAOYUEHAODEWUJIE,QUEHULVELELINGWAIYIGEDUIXIANSHIXIAOGUOJIWEIZHONGYAODEZHIBIAO——DUIBIDU。

根据重庆LED江西快3行业标准SJ/T11281-2007《发光二极管(LED)显示屏测试方法》的定义,显示屏在一定的环境照度下,其最大亮度与背景亮度之比称为最高对比度(具体测试条件和方法见该标准)。例如一个屏幕在全白屏状态时候亮度为5000cd/m2,全黑屏状态亮度为1cd/m2,这样屏幕的对比度就是4999:1。对比度的定义其实强调了在使用环境中,显示画面的可辨识程度,相对于亮度指标,对比度指标增加对全黑屏状态下的亮度考察,而全黑屏状态下的亮度又与环境光和屏幕本体(LED和面罩)的反光属性密切相关。以下户外的对比实例可以看出,亮度高而对比度低的屏幕反而没有亮度相对低而对比度高的屏幕效果好。

不同亮度和对比度屏幕的效果对比

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欧司朗光电半导体产品LRTB GRUG

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LED显示屏可视角度越大越好?

江西快3ZAITAOLUNSHIJIAODEDAXIAOZHIQIAN,TONGYANGWOMENXUYAOXIANLIQINGYIXIASHIJIAODEGAINIAN。XINGYENEIBUSHAOCHANGJIADUIYISHIJIAOGUIGEDESHEDINGBUGOUZHUNQUE,RENWEIKEYIKANDAOXIANSHINEIRONGDEJIAODUDOUSHISHIJIAOFANWEI,QISHIBURAN。GENJUXINGYEBIAOZHUNSJ/T 11281-2007《FAGUANGERJIGUAN(LED)XIANSHIPINGCESHIFANGFA》DEDINGYI,JIASHEXIANSHIPINGFAXIANFANGXIANGDELIANGDUWEILf,CONGXIANSHIPINGZHONGXINFAXIANZUOYOULIANGCEJIANCEXIANSHIPINGDELIANGDU,DANGZUOYOULIANGCELIANGDUZHIXIAJIANGDAOLf/2SHI,LIANGTIAOGUANCEXIANZHIJIANGOUCHENGDEJIAJIAOCHENGWEIXIANSHIPINGSHUIPINGFANGXIANGDESHIJIAO。CHUIZHIFANGXIANGSHIJIAOTONGLI。

江西快3LEDBENSHENDESHIJIAOYESHIJIYUYISHANGTONGYANGDEDINGYI。ERYOUYUXIANSHIPINGSHANGDELIANGDUCESHIDEDINGYI,GUANGTANTOUZHISHAOXUYAOBAOHUAN16GELEDXIANGSUDIAN,HUIDAOZHIPINGDESHIJIAOHUIBISUOSHIYONGDELEDDESHIJIAOSHAODADEXIANXIANG(JIASHEMIANZHAOWUDANGGUANG)。RUTUSANSUOSHIDELIZI,YOU100DUSHIJIAOLEDSUOZUOCHENGDELEDXIANSHIPINGYOU134DUDEKESHIJIAO。

LED与LED显示屏的相对光强对比

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ZHENDUIBUTONGDEYINGYONGXUYAO,OUSILANGGUANGDIANBANDAOTIJUYOUYIXILIEBUTONGSHIJIAOGUIGEDELEDCHANPIN,TUSISUOLIEWEIQIZHONG3ZHONGBUTONGCHANPIN。

关键词: 重庆LED_LED显示屏选购知识           

江西快3ZHONGQINGTENGYAOKEJIYOUXIANGONGSIZHUYING:LEDSHINEIQUANCAIXIANSHIPING、LEDHUWAIQUANCAIXIANSHIPING、LEDSHINEIHUIYISHIPING、LEDMENTOUDANSHUANGSEPINGDENG,FUWUFANWEIBAOKUOQIANQISHEJI、ANZHUANG、WEIXIU、WEIHUHEGANGJIAZHIZUO。

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