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筆記型電腦的螢幕很多都強調用LED背光,請問這和傳統的LCD螢幕有什麼差別?

skite 2008-02-12 16:16:3420523 瀏覽

如題,
這樣會比較省電嗎?
還是比較不傷眼呢?

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horrorlin iT邦研究生 2 級 ‧ 2008-02-15 18:37:16 檢舉
改用LED背光,使用壽命跟亮度會比較好嗎?
5min iT邦好手 10 級 ‧ 2008-03-09 11:32:53 檢舉
參考一下完整的報導
http://tech.digitimes.com.tw/ShowNews.aspx?zCatId=A1E
john651216 iT邦研究生 1 級 ‧ 2008-04-08 09:28:33 檢舉
LED背光會較省電,這是廠商宣稱的但我覺的差不多
skite iT邦大師 5 級 ‧ 2008-04-08 10:28:21 檢舉
實際測試起來省電這項影響還真的是不大,不過面板是真的可以做得比較薄。
john651216 iT邦研究生 1 級 ‧ 2008-04-20 12:15:24 檢舉
謝謝分享
misadm iT邦高手 10 級 ‧ 2008-04-26 11:21:34 檢舉
重點就是成本啦!因為:
LCD 的成本較高;LED 成本低。
LCD 須靠外來光源才看得到;LED 是自發光。
LCD 有視角的問題;LED 沒有。
skite iT邦大師 5 級 ‧ 2008-04-26 12:42:45 檢舉
雖然LED便宜優點又多,採用的廠商卻還是少數,是技術門檻比較高的原因嗎?
tgunlu iT邦研究生 1 級 ‧ 2008-04-26 15:42:01 檢舉
謝謝分享
yce701116 iT邦研究生 1 級 ‧ 2008-04-26 17:02:37 檢舉
謝謝回答者提供解答
led背光約有10萬小時壽命而CCFL(冷陰級螢光燈壽命只有60000小時),led背光價格比CCFL高出許多
davistai iT邦大師 1 級 ‧ 2008-05-30 16:37:30 檢舉
好多知識喔^^吸收~~

2 個回答

38
Edward
iT邦新手 4 級 ‧ 2008-02-12 17:40:59
最佳解答

因為那是用白光LED光源,取代傳統的冷陰極管背光光源,所以更省電,螢幕也可以做得更薄。傷不傷眼就沒人說得準了

0
worldnew29
iT邦見習生 ‧ 2019-09-03 00:03:42

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