Le atinaʻeina o le LED

O le atina'e o le LED e mai i su'esu'ega a le falesu'esu'e i se suiga fa'amalama o le lalolagi.
- moli o le fale:O matauila LED, moli fa'alo, moli kesi
-Mila fa'apisinisi:moli i lalo, moli faʻamalama, moli laulau
- moli fa'apisinisi:moli maina, moli fa'amama maualuga
- moli i fafo:moli auala, moli laufanua, moli vaitaele
- Molī ta'avale:Molī ulu LED, moli ao, moli i tua
-Fa'aali LED:lau fa'asalalauga, Mini LED TV
- Molī fa'apitoa:Lamepa fa'amalolo UV, moli tuputupu a'e laau

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I aso nei, e mafai ona tatou vaʻai i le LED i soʻo se mea i lo tatou olaga, o le taunuuga lea o le toeitiiti atoa le seneturi o taumafaiga, e mafai ona tatou iloa le atinaʻeina o le LED e pei o le 4 vaega:
1. Amata su'esu'ega (amataga 20th seneturi -1960s)
-Su'esu'eina ole electroluminescence (1907)
O le inisinia Peretania o Henry Joseph Round na muamua matauina le electroluminescence i luga o tioata silicon carbide (SiC), ae leʻi suʻesuʻeina loloto.
I le 1927, na suʻesuʻe atili ai e le saienitisi Soviet Oleg Losev se pepa, na manatu o le "tama o le talitonuga o le LED", ae na faʻalavelaveina le suʻesuʻega ona o le Taua Lona Lua a le Lalolagi.

-O le LED faʻatino muamua na fanau mai (1962)
Nick Holonyak Jr., General Electric (GE) Inisinia Faia le malamalama muamua malamalama LED (mumu mumu, mea GaAsP) .e faailogaina le LED mai le falesuesue i le faʻatau pisinisi, na faʻaaogaina muamua mo faʻailoga meafaigaluega.

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2. Fa'asologa o le lanu lanu LED (1970s-1990s)
-O ta'ita'i lanumeamata ma samasama na fa'alauiloa mai (1970s)
1972: M. George Craford (le tamaititi aoga a Holonyak) na fatuina le LED samasama (10 taimi sili atu le susulu).
1980s: Aluminum, gallium ma arsenic (AlGaAs) mea na faʻaleleia atili ai le lelei o taʻiala mumu, lea na faʻaaogaina i moli taʻavale ma masini eletise.

-Blue LED suiga (1990s)
1993: Saienitisi Iapani Shuji Nakamura (Shuji Nakamura) i Nichia chemical (Nichia) breakthrough gallium nitride (GaN) faavae lanumoana LED, manumalo i le 2014 Nobel Taui i le fisiki.O lenei faailoga Blue LED + phosphor = paʻepaʻe LED, faataatia le faavae o moli faaonaponei LED.

3. Ta'uta'ua o LED papa'e ma moli (2000s-2010s)
-Pa'epa'e LED fa'apisinisi (2000s)
O Nichia Chemical, Cree, Osram ma isi kamupani na fa'alauiloaina ni ta'ita'i pa'epa'e maualuga e fa'asolo malie atu ai moli fa'amalama ma moli.
2006: Ua fa'amatu'u mai e le kamupani a Amerika Cree le 100lm/W LED muamua, e sili atu le lelei o le moli felanulanua'i.
(I le 2006 Heguang Lighting amata ona gaosia le malamalama i lalo o le vai)

-LED i moli lautele (2010s)
2010s: O le tau o le LED ua paʻu tele, ma o atunuu i le lalolagi atoa ua faʻatinoina le "faʻasaina o le paʻepaʻe" (e pei o le EU na faʻaumatia moli moli i le 2012).
2014: Nobel Prize in Physics na tuʻuina atu ia Isamu Akasaki, Hiroshi Amano ma Shuji Nakamura mo sao i le lanu moana.

4. Tekinolosi fa'aonaponei LED (2020s se'ia o'o mai nei)
-Laiti LED & Micro LED
Mini LED: Fa'aoga mo TVS maualuga (pei o le Apple Pro Display XDR), fa'ata'ita'iga fa'ata'ita'iga, fa'amalama fa'amalama.
Micro LED: pixels malamalama lava ia, e tatau ona suitulaga i le OLED (Samsung, SONY ua faʻalauiloaina oloa faʻataʻitaʻi).

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- Malamalama atamai ma Li-Fi
Smart LED: fetu'una'i lanu vevela, fa'atonutonu feso'otaiga (pei o Philips Hue).
Li-Fi: Le faʻaogaina o le moli LED e faʻasalalau ai faʻamatalaga, vave nai lo Wi-Fi (suʻesuʻe ua oʻo i le 224Gbps).

- UV LED ma faʻaoga faʻapitoa
Uv-c LED: Fa'aoga mo le fa'ama'i (e pei o masini fa'ama'i UV i le taimi o fa'ama'i).
La'au tuputupu a'e LED: Alaleo fa'apitoa e fa'aleleia atili ai fa'ato'aga.

Mai le "malamalama faʻaalia" i le "malamalama faʻapitoa": faʻateleina le faʻaleleia i le 1,000 taimi ma faʻaititia le tau e 99%, faʻalauiloaina o le LED i le lalolagi atoa e faʻaitiitia ai le fiaselau miliona o tone o CO₂ emisi i tausaga taʻitasi, LED o loʻo suia le lalolagi! i le lumanaʻi, e mafai e le LED ona suia faʻaaliga, fesoʻotaʻiga, fomaʻi ma le tele o isi pisinisi! O le a tatou faatali ma vaai!

Tusi lau savali iinei ma lafo mai ia i matou

Taimi meli: Apr-29-2025