鑫(Xin)光(Guang)彩(Cai)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)厂(Chang)家(Jia)坚(Jian)持(Chi)质(Zhi)量(Liang)
2021-08-20 来(Lai)自(Zi): 湖(Hu)南(Nan)鑫(Xin)光(Guang)彩(Cai)电(Dian)子(Zi)有(You)限(Xian)公(Gong)司(Si) 浏(Liu)览(Lan)次(Ci)数(Shu):660
鑫(Xin)光(Guang)彩(Cai)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)厂(Chang)家(Jia)坚(Jian)持(Chi)质(Zhi)量(Liang),(?)随(Sui)着(Zhuo)近(Jin)些(Xie)年(Nian)来(Lai)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)技(Ji)术(Shu)作(Zuo)为(Wei)新(Xin)一(Yi)代(Dai)照(Zhao)明(Ming)技(Ji)术(Shu),因(Yin)而(?)受(Shou)到(Dao)了(Liao)广(Guang)泛(Fan)关(Guan)注(Zhu),LED功(Gong)率(Lu)加(Jia)大(Da),随(Sui)之(Zhi)对(Dui)于(Yu)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)的(De)散(San)热(Re)问(Wen)题(Ti)也(Ye)就(Jiu)越(Yue)来(Lai)越(Yue)被(Bei)人(Ren)注(Zhu)重(Zhong).据(Ju)长(Chang)期(Qi)应(Ying)用(Yong)及(Ji)观(Guan)察(Cha)发(Fa)现(Xian),主(Zhu)要(Yao)是(Shi)由(You)于(Yu)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)的(De)光(Guang)衰(Shuai),寿(Shou)命(Ming)受(Shou)结(Jie)温(Wen)影(Ying)响(Xiang),散(San)热(Re)不(Bu)好(Hao)结(Jie)温(Wen)就(Jiu)高(Gao),寿(Shou)命(Ming)就(Jiu)短(Duan).
LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)与(Yu)以(Yi)往(Wang)使(Shi)用(Yong)的(De)白(Bai)炽(Chi)灯(Deng)和(He)荧(Ying)光(Guang)灯(Deng)不(Bu)一(Yi)样(Yang),它(Ta)们(Men)的(De)能(Neng)量(Liang)损(Sun)失(Shi)虽(Sui)然(Ran)很(Hen)大(Da),但(Dan)是(Shi)大(Da)部(Bu)分(Fen)能(Neng)量(Liang)都(Du)是(Shi)经(Jing)过(Guo)红(Hong)外(Wai)线(Xian)直(Zhi)接(Jie)放(Fang)射(She)出(Chu)去(Qu),光(Guang)源(Yuan)发(Fa)热(Re)少(Shao);而(?)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping),除(Chu)了(Liao)作(Zuo)为(Wei)可(Ke)视(Shi)光(Guang)耗(Hao)费(Fei)的(De)能(Neng)量(Liang),其(Qi)它(Ta)能(Neng)量(Liang)都(Du)转(Zhuan)换(Huan)成(Cheng)了(Liao)热(Re)能(Neng).又(You)因(Yin)为(Wei)电(Dian)子(Zi)商(Shang)品(Pin)逐(Zhu)渐(Jian)向(Xiang)高(Gao)密(Mi)度(Du),高(Gao)集(Ji)成(Cheng)度(Du)发(Fa)展(Zhan),Led产(Chan)品(Pin)也(Ye)不(Bu)例(Li)外(Wai),所(Suo)以(Yi)解(Jie)决(Jue)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)散(San)热(Re)问(Wen)题(Ti)成(Cheng)为(Wei)当(Dang)今(Jin)LED电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)产(Chan)业(Ye)的(De)首(Shou)要(Yao)问(Wen)题(Ti).
LED发(Fa)热(Re)的(De)原(Yuan)因(Yin)是(Shi)由(You)于(Yu)电(Dian)能(Neng)并(Bing)没(Mei)有(You)全(Quan)部(Bu)转(Zhuan)化(Hua)为(Wei)光(Guang)能(Neng),少(Shao)部(Bu)分(Fen)转(Zhuan)化(Hua)成(Cheng)为(Wei)热(Re)能(Neng).LED的(De)光(Guang)效(Xiao)只(Zhi)要(Yao)100lm/W,其(Qi)电(Dian)光(Guang)变(Bian)换(Huan)功(Gong)率(Lu)大(Da)概(Gai)只(Zhi)要(Yao)20~30%左(Zuo)右(You).也(Ye)即(Ji)是(Shi)说(Shuo)大(Da)概(Gai)70%的(De)电(Dian)能(Neng)都(Du)变(Bian)成(Cheng)了(Liao)热(Re)能(Neng).具(Ju)体(Ti)来(Lai)说(Shuo),LED结(Jie)温(Wen)的(De)发(Fa)生(Sheng)是(Shi)由(You)于(Yu)两(Liang)个(Ge)要(Yao)素(Su)所(Suo)引(Yin)起(Qi)的(De):(?)内(Nei)部(Bu)量(Liang)子(Zi)功(Gong)率(Lu)不(Bu)高(Gao),也(Ye)即(Ji)是(Shi)在(Zai)电(Dian)子(Zi)和(He)空(Kong)穴(Xue)复(Fu)合(He)时(Shi),并(Bing)不(Bu)能(Neng)都(Du)发(Fa)生(Sheng)光(Guang)子(Zi)的(De)情(Qing)况(Kuang)一(Yi)般(Ban)称(Cheng)为(Wei)由(You)“电(Dian)*泄(Xie)漏(Lou)”而(?)使(Shi)PN区(Qu)载(Zai)*子(Zi)的(De)复(Fu)合(He)率(Lu)下(Xia)降(Jiang).电(Dian)*泄(Xie)漏(Lou)部(Bu)分(Fen)乘(Cheng)以(Yi)电(Dian)压(Ya)即(Ji)是(Shi)这(Zhe)部(Bu)分(Fen)的(De)功(Gong)率(Lu),也(Ye)即(Ji)是(Shi)转(Zhuan)化(Hua)为(Wei)热(Re)能(Neng)的(De)功(Gong)率(Lu),但(Dan)这(Zhe)不(Bu)占(Zhan)首(Shou)要(Yao)地(Di)位(Wei),因(Yin)为(Wei)内(Nei)部(Bu)光(Guang)子(Zi)功(Gong)率(Lu)已(Yi)经(Jing)达(Da)到(Dao)90%。(?)而(?)论(Lun)到(Dao)显(Xian)示(Shi)屏(Ping)均(Jun)匀(Yun)性(Xing)与(Yu)清(Qing)晰(Xi)度(Du)的(De)关(Guan)系(Xi),(?)业(Ye)界(Jie)则(Ze)常(Chang)常(Chang)存(Cun)在(Zai)一(Yi)个(Ge)认(Ren)识(Shi)上(Shang)的(De)误(Wu)区(Qu),(?)即(Ji)以(Yi)分(Fen)辨(Bian)率(Lu)替(Ti)代(Dai)清(Qing)晰(Xi)度(Du)。(?)其(Qi)实(Shi)显(Xian)示(Shi)屏(Ping)清(Qing)晰(Xi)度(Du)是(Shi)人(Ren)眼(Yan)对(Dui)显(Xian)示(Shi)屏(Ping)分(Fen)辨(Bian)率(Lu)、(?)均(Jun)匀(Yun)性(Xing)((?)信(Xin)噪(Zao)比(Bi))(?)、(?)亮(Liang)度(Du)、(?)对(Dui)比(Bi)度(Du)等(Deng)多(Duo)项(Xiang)因(Yin)素(Su)综(Zong)合(He)的(De)主(Zhu)观(Guan)感(Gan)受(Shou)。(?)单(Dan)纯(Chun)缩(Suo)小(Xiao)物(Wu)理(Li)像(Xiang)素(Su)间(Jian)距(Ju)提(Ti)高(Gao)分(Fen)辨(Bian)率(Lu),(?)而(?)忽(Hu)视(Shi)均(Jun)匀(Yun)性(Xing),(?)对(Dui)提(Ti)高(Gao)清(Qing)晰(Xi)度(Du)是(Shi)毫(Hao)无(Wu)疑(Yi)义(Yi)的(De)。(?)试(Shi)想(Xiang)一(Yi)个(Ge)存(Cun)有(You)严(Yan)重(Zhong)“灰(Hui)尘(Chen)效(Xiao)应(Ying)”和(He)“马(Ma)赛(Sai)克(Ke)现(Xian)象(Xiang)”的(De)显(Xian)示(Shi)屏(Ping),(?)即(Ji)使(Shi)它(Ta)的(De)物(Wu)理(Li)像(Xiang)素(Su)间(Jian)距(Ju)再(Zai)小(Xiao),(?)分(Fen)辨(Bian)率(Lu)再(Zai)高(Gao),(?)也(Ye)不(Bu)可(Ke)能(Neng)得(De)到(Dao)一(Yi)个(Ge)良(Liang)好(Hao)的(De)图(Tu)像(Xiang)清(Qing)晰(Xi)度(Du)。(?)
产(Chan)品(Pin)展(Zhan)示(Shi)
- LCD拼(Pin)接(Jie)屏(Ping)
- 户(Hu)外(Wai)LED显(Xian)示(Shi)屏(Ping)
- 室(Shi)内(Nei)LED显(Xian)示(Shi)屏(Ping)
- 酒(Jiu)吧(Ba)舞(Wu)台(Tai)LED显(Xian)示(Shi)屏(Ping)
- 小(Xiao)间(Jian)距(Ju)高(Gao)清(Qing)显(Xian)示(Shi)屏(Ping)
- 异(Yi)形(Xing)屏(Ping)
- 交(Jiao)通(Tong)诱(You)导(Dao)屏(Ping)
- 门(Men)头(Tou)广(Guang)告(Gao)屏(Ping)
- 推(Tui)荐(Jian)产(Chan)品(Pin)
- LCD拼(Pin)接(Jie)屏(Ping)
- 户(Hu)外(Wai)LED显(Xian)示(Shi)屏(Ping)
- 室(Shi)内(Nei)LED显(Xian)示(Shi)屏(Ping)
- 酒(Jiu)吧(Ba)舞(Wu)台(Tai)LED显(Xian)示(Shi)屏(Ping)
- 小(Xiao)间(Jian)距(Ju)高(Gao)清(Qing)显(Xian)示(Shi)屏(Ping)
- 异(Yi)形(Xing)屏(Ping)
- 交(Jiao)通(Tong)诱(You)导(Dao)屏(Ping)
- 门(Men)头(Tou)广(Guang)告(Gao)屏(Ping)
- 推(Tui)荐(Jian)产(Chan)品(Pin)
- 江(Jiang)苏(Su)高(Gao)清(Qing)小(Xiao)间(Jian)距(Ju)led显(Xian)示(Shi)屏(Ping)订(Ding)购(Gou),小(Xiao)间(Jian)距(Ju)高(Gao)清(Qing)led显(Xian)示(Shi)屏(Ping)价(Jia)格(Ge)
- 永(Yong)州(Zhou)门(Men)头(Tou)广(Guang)告(Gao)屏(Ping)多(Duo)少(Shao)钱(Qian)一(Yi)平(Ping)方(Fang)
- 永(Yong)州(Zhou)户(Hu)外(Wai)广(Guang)告(Gao)显(Xian)示(Shi)屏(Ping)多(Duo)少(Shao)钱(Qian)一(Yi)平(Ping),led广(Guang)告(Gao)显(Xian)示(Shi)屏(Ping)订(Ding)制(Zhi)
- 江(Jiang)苏(Su)交(Jiao)通(Tong)信(Xin)息(Xi)诱(You)导(Dao)屏(Ping)订(Ding)制(Zhi)
- 衡(Heng)阳(Yang)led电(Dian)子(Zi)显(Xian)示(Shi)屏(Ping)定(Ding)制(Zhi),led显(Xian)示(Shi)屏(Ping)批(Pi)发(Fa)
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