Yintoni umahluko phakathi kwe-LED kunye neLaser?

Imitha yokukhanya yindlela ahamba ngayo amandla ngokubhekiselele kwindawo ethile. Izibane zihamba ngemigca ethe ngqo kwaye zihlala zihambelana enye kwenye. I-Lasers kunye ne-LED ngamacandelo amabini abalulekileyo okukhanya. 

I-laser ibonisa iziphumo ze-resonant kwaye ibonisa amasimi e-electromagnetic ahambelanayo kwindlela efanayo. Nangona kunjalo, iilaser ziluncedo kwi-optical disc drives, ulandelelwano lweDNA, kunye nokunye okuninzi. 

IiLasers zihamba ukusuka kwii-orbits eziphezulu zamandla ukuya kweziphantsi emva kokuba zivuselelwe ngee-electron zamandla aphezulu. Isebenza ngokugqamileyo njengeemitha zokukhanya eziqhelekileyo kwaye ibonisa izibonelelo ezininzi zempilo, njengokuthintela ukulahleka kwegazi kwimithambo yegazi.

I-LED sisixhobo se-semiconductor xa ihlawuliswa ngokusebenza kombane, ikhupha ukukhanya. Ezi zisebenza kakuhle kakhulu ekuboneleleni izibane ezibonakalayo ezinobude obude kunye nokuqina. Ezi zixhobo zokukhanyisa zisebenza ukufakela kwiindawo zombini zangaphakathi nangaphandle. 

Ukukhanya kwe-LED kucacisiwe

Bakhupha amandla e-photon emva kokuba ii-electron zidibene kunye nemingxuma ye-electron. Izibane ze-LED zisebenza kakuhle kakhulu ekukhutshweni kwamandla kunezibane ze-incandescent kunye nezinye izibane ze-fluorescent. 

Ukusebenza kwezibane ze-LED zentengiso yi-200 lumen nge-watt (Lm / W). Ngenxa yoko, ubomi bayo bude kakhulu kunezibane ze-fluorescent. Isekethe ye-elektroniki iyafuneka ekuhambeni kwangoku kwaye isebenza kakhulu ngeechips ze-LED. Ii-LED zinokufudumala ngokukhawuleza kwaye azinciphisi ixesha lokuphila kwazo. Nangona kunjalo, ukukhanya kwee-LEDs kuya kuncipha ngokuhamba kwexesha. 

I-microchip iyona nto iphambili yee-LED eziqalisa ukubonakala kokukhanya. I-Electroluminescence ngumgaqo apho ii-LED zisebenza khona. Nangona kunjalo, okwangoku ithwala iintlawulo ezidibanisa kwindawo yokuhlangana kunye nokukhupha iifotoni. I-Chip ye-LED kunye noMqhubi zizinto eziphambili zokukhanya kwe-LED.

Ukuze ufumane inkcazelo engakumbi, unokufunda Izinto eziluncedo kunye nezingeloncedo zokuKhanya kwe-LED.

Ukukhanya kweLaser kucacisiwe

Ukukhanya kweLaser kukumxinwa Ibhokhwe yokukhanya okuphuma kwilaser. Yenye yezona zinto zisebenzayo kwaye ziluncedo kwizibane zokukhanyisa kwiinkalo zobuchwepheshe. Igama elifutshane elithi 'Laser' limele uKwandiswa koKhanya ngokuPhumeza okuKhuselekayo kweRadiation. I-laser i-monochromatic, kwaye imiqadi iyahambelana kwaye ayimi ngokugqamileyo kumgama omde.  

I-laser iqulethe isipili esicaba kunye nesipili esigobileyo. I-curvatures ikhokelela kwi-beam emxinwa ukufumana i-radius epheleleyo kwaye ijikeleze kwisetyhula ngaphandle kokunciphisa ububanzi be-radius kunye nomjikelo ngamnye. Ukulahleka kwamandla kwintshukumo yesetyhula ye-resonator kuthintela amandla ayo okukhanya.

Imiqadi yeLaser iyasebenza ekufumaneni indawo eqinisekileyo yokufezekisa i-irradiance. Nangona kunjalo, ayidibanisi kwindawo ebanzi. Ngenxa yoko ukuxinwa kwemitha kuphantsi. I-wave ye-polarized ye-laser ifunyenwe kwi-frequency ethile, ebonisa ukuhambelana kwe-longitudinal ye-beams.

I-LED vs. Laser- Iiyantlukwano eziphambili

• Izibane ze-LED zinemitha yokukhanya esasazayo, okuthetha ukuba imitha yokukhanya isasazeka njengoko ihamba kude nomthombo wokukhanya. IiLasers zinomqadi othe tye ohamba kumgca othe ngqo. IiLaser azisasazeki. Ii-LED zivelisa ibhendi ebanzi yobude bamaza, ngelixa ii-laser zine-band-band wavelength. 
• Imitha ye-LED ihamba kancinane kunemitha yelaser. Oku kuthetha ukuba ii-LEDs ziphendula ngokukhawuleza kune-laser.
• Imitha ye-LED ikhuselekile kwiliso lenyama. Ngokuchasene noko, iilaser zinokushiya umonakalo osisigxina kwiliso leze. Abantu kufuneka baxhobise ngezixhobo ezikhethekileyo zokukhusela iliso xa besebenza ngeelaser.
• Ubunzulu bokukhanya kwe-LED bungaphantsi kakhulu kuneelaser. Loo nto yenza ukuba abantu bakwazi ukujonga ibhalbhu ye-LED ngamehlo abo eze imizuzwana embalwa ngaphandle kokonakalisa amehlo ngokusisigxina. Nokuba imizuzwana emi-3 okanye ngaphezulu, ukujonga umthombo we-laser kunokonakalisa ngokusisigxina amehlo.
• Ukusebenza kokuguqulwa kwee-LED kuphantsi kakhulu xa kuthelekiswa ne-lasers. I-Lasers inokuguqula umbane ukuba ukhanyise ukuya kwi-70%, ngelixa ii-LED zinokuguqula kuphela ukuya kwi-10% okanye mhlawumbi i-20%.
• Ngenxa yeendleko eziphantsi zokwenziwa kunye neenkqubo ezilula zokwenziwa, ii-LED zitshiphu kunee-lasers.
• Ukusetyenziswa kombane yi-LED kuncinci kakhulu kune-laser. Iilaser ezithile zinokugqobhoza okanye zigawule amashiti esinyithi, nto leyo efuna ukusetyenziswa kombane ngamandla. Ii-LED azenzelwanga ukuba zisebenzise umbane omninzi.

izicelo

I-LED

1. Iindawo zangaphakathi 

I-LED yenye yezona ndlela zifanelekileyo kwiibhalbhu ze-fluorescent. Ziqulethe i-mercury yekhemikhali engenabungozi, eyenza izibane ze-LED zibe yinto engenakuphinda ibuyiselwe. Kwigumbi lokuhlala, ii-LED zisetyenziselwa ukubonelela nge-aura eqaqambileyo. 

Kwelinye icala, abanye bakhetha umoya omdaka kwindawo enye. Ngoko umcwangcisi kufuneka acinge ummandla ngenxa yoko ukuze umsebenzisi atshintshe ukukhanya kweziza ngokweemvakalelo zakhe.

Ekhitshini, ii-LED zifakwe kwingcamango ekhanyisiweyo ngokusebenzisa indawo ebanzi kwimisebenzi eyenziwayo. Nangona kunjalo, ukukhanya kwekhabhinethi kusetyenziselwa ukugxininisa icandelo elithile. Ngexesha elifanayo, izibane ezinqamlekileyo zicatshangelwa ukuba zikhanyise iindawo ze-pantry okanye isiqithi sasekhitshini. 

Kwigumbi lokulala, ukukhanya okunzima akukhethi. Izibane ezikhanyayo okanye ezithambileyo zicatshangelwa ezinciphisa ubunzima bamehlo. Yiyo loo nto ii-shades ezikhanyayo ezipholileyo zithandwa kwigumbi lokulala. 

2. I zithuthi 

Ii-LEDs zinokuba lolona khetho lubalaseleyo ukuba umntu unqwenela ukufezekisa inkangeleko yeklasi kwimoto yakhe. Ukukhanyisa i-decor yangaphakathi yemoto kunye nezibane ze-LED kunokunyusa ukubaluleka kwayo. Kwelinye icala, izibane ze-LED zezinye zezona zikhankanyiweyo zemoto, nto leyo eyenza ukuba imoto ibonakale ngcono kwaye intle. 

3. Iindawo ezingaphandle 

Ngokutsho kokuvezwa kwee-bulb ze-LED, zifakwe kwiindawo zangaphandle. Nangona kunjalo, kungcono ukusebenzisa ii-LED ezinethoni eshushu njenge-2000K-3000K kuyo nayiphi na indawo yangaphandle. Ukukhanya akuyi kuba qatha kakhulu kwaye kuya kunika ukukhanya okwaneleyo kwiindawo ezibanzi. Ubushushu bombala obuphezulu bubonelela ngefuthe elithomalalisayo kwaye lihlala ixesha elide kunezibane ze-incandescent. 

4. Irobhothi 

Ii-LED zisebenzisa amandla amancinci kwaye zikhanya kakhulu kunaluphi na uhlobo lokukhanya. Ezi mpawu zenza kube lula ukwenza imali kwii-LED kwizibane zendlela. Nangona kunjalo, yomelele kakhulu kwaye inobomi obude. I-chip ye-semiconductor kunye ne-reflector ibumba ii-LEDs. Ezi zifakwe kwilensi encinci enombala.

5. Unxibelelwano lomgama ophantsi

Ukholwa okanye hayi, itekhnoloji efana ne-Li-Fi yenza kube lula ukuhambisa idatha usebenzisa ukukhanya. Ii-LED zingasetyenziselwa ukunxibelelana okuphantsi, njengoko idatha inokuhamba kuzo zonke iindawo apho imitha yokukhanya ifikelela kumthombo wokukhanya kwe-LED. Kodwa ukuhanjiswa kwedatha ngesantya esicothayo, kwaye ukuphazamiseka kwangaphandle kunokubangela ukulahleka kwedatha ngokulula. Ubunzulu bokukhanya bulawula isantya sokudlulisa idatha, nangona kunjalo.

6. Isikrini sokubonisa

Izikrini zokubonisa zisetyenziselwa iiTV, ii-smartphones, iipilisi, iikhomputha, njl. Kwizikrini zokubonisa ezisekelwe kwi-LED, i-matrix ye-LED ifakwe kwiphaneli, ejongene nokuvelisa imifanekiso kwisikrini. I-motherboard kwinkqubo yokubonisa ithatha isigqibo sombala oqaqambileyo we-LED nganye kwiphaneli. Amaxesha apho ezi LED zitshintsha umbala zimelwe yireyithi yokuhlaziya, elinganiswa kwiHertz.

7. Lighting Decoration

Nokuba ngumnyhadala, umsitho, okanye intlanganiso yeshishini, ii-LED zisetyenziselwa ukuhombisa okanye ukukhanyisa indawo engqongileyo ukuze ihambelane nomsitho. IiFairgrounds zihonjiswe ngokuyintloko ngee-LED, ngenxa yoluhlu olubanzi lombala kunye nokusebenza okuphezulu. Ngaphezu koko, ukuhombisa izibane usebenzisa ii-LEDs kuyakhethwa kwiindawo zonqulo.

laser 

1. Ukusika iLaser 

Inkqubo yokusika izinto usebenzisa i-laser kukusika kwe-laser. I-dimension cut echanekileyo kunye nephezulu ifunyenwe ngale nkqubo. Nangona kunjalo, imiqadi ye-laser ivela kwi-nozzle ukuya kwizinto ezisebenzayo kule nkqubo. Ukusika kweLaser kunenzuzo yokusika iplasma kwaye kudla amandla amancinci okunqunqa i-aluminium kunye namaphepha entsimbi. 

2. I-Optics 

I-Optics inquma ukuphambukiswa kweemitha zokukhanya kwimidiya eyahlukeneyo. Isebenza ngokufanelekileyo emva kokuchasene nelaser. I-Optics isetyenziselwa ukuphunyezwa kwe-imaging kwaye ngaloo ndlela ithintela ukungahambi kakuhle kwesignali yezixhobo ezisekelwe kwi-laser.

3. Photobiomodulation 

I-Photobiomodulation yamkelwe njengonyango usebenzisa i-wavelengths yemitha yokukhanya. Ukusebenzisa amaza okukhanya abomvu kunye ne-infrared akufutshane asebenza ngokubonakalayo ukuphucula ukujikeleza kwegazi kunye nokunciphisa intlungu. I-Laser isetyenziselwa ukunciphisa ukuvuvukala kunye nokukhawuleza inkqubo yokuphilisa. 

4. Ukubandakanya 

Amacwecwe esinyithi ekrola okanye unyango umphezulu laser umkrolo capitalized. Itekhnoloji ephezulu yokukrola isinyithi ibalulekile kwi-aluminium okanye kumaphepha entsimbi. Nangona kunjalo, ngale ndlela, ukuchaneka okuphezulu kwamaphepha kunokufumaneka ngeendleko ezincinci zokugcina. 

5. I-Spectroscopy 

Ukuqulunqwa okanye umgangatho wezinto eziphathekayo unokumiselwa nge-laser spectroscopy. Nangona kunjalo, iphinde yavakalisa ukuxinana kwezinto kunye nokulandela igesi ekhoyo kwindalo. I-Laser spectroscopy iphanda ubume beeathom kunye neemolekyuli ezinxulumene nomoya.

6. iyeza 

Kuyothusa kakhulu, kodwa iilaser zisetyenziswa kubuchule bezonyango obuphambili. I-Laser isetyenziselwa ukunyanga iintsholongwane ezahlukeneyo kwaye iyanciphisa uhlaselo lwabo. Ngowe-1963 kwasetyenziswa i-laser kuqhaqho lwentliziyo. Nangona kunjalo, ibalulekile ekususweni kweeseli ezinobungozi. 

7. Laser Beam Welding 

Kwi-laser beam welding, amaphepha amabini esinyithi adityaniswa kusetyenziswa imiqadi yelaser. Welding steel stainless, aluminiyam, okanye titanium sheets yeminye yemizekelo eqhelekileyo. Ukusetyenziswa kweelaser kubaluleke kakhulu kushishino lweemoto.

Iimpawu ezahlukileyo

I-LED

1. Igcina Amandla 

Uhlobo lwanamhlanje lwe-LED lugcina ukuya kwi-95% yamandla ngokubonelela ngoxinzelelo oluncinci kwiibhili zombane. Izibane ze-LED zikhupha ukukhanya ukuya kwi-180 °, ebonisa ukuba akukho nkcitho yokukhanya.

Nangona kunjalo, oku kuchaza ukonga ngakumbi ngokungafaniyo namandla achithwayo amancinci. 

Ii-LED zenziwe ngezinto ze-semiconductor apho ii-electron zihamba kwaye ziqalise ukubunjwa kwamandla okushisa. Nangona kunjalo, kwii-LED, i-gallium phosphide kunye ne-gallium arsenide zivelisa ii-electron kwaye zikhupha amandla. Ii-LED ziyakuphepha ukusebenzisa amandla azo ukuguqulela ukukhanya, ubushushu kunye namandla. Ngaphezu koko, bagxininise ngokupheleleyo ekudaleni ukukhanya ukusuka kwindawo efunekayo. 

2. Iindleko zokuLondolozwa okuPhantsi 

Ukuba usebenzisa ii-LEDs, akufuneki ucinge ngeendleko zazo zokuzigcina. Azinampembelelo ingako kokusingqongileyo. Nangona kunjalo, ubushushu bazo buxhomekeke ekusebenzeni kwazo kumaqondo obushushu awahlukileyo. 

Ngokwemithombo yolwazi, ii-LEDs zitshiphu nge-12% kuneebhalbhu ze-CFL kunye ne-74% zitshiphu kuneebhalbhu ze-incandescent. Yiyo loo nto ii-LEDs azifuni londolozo lungako njenge-CFL kunye neebhalbhu ze-incandescent. 

3. Nciphisa Uxinzelelo lwamehlo 

Iibhalbhu ze-CFL zinemekyuri eyingozi ebantwini nakwindalo esingqongileyo. Kwelinye icala, izibane ze-LED zibangela ukuwohloka kwamehlo okuncinci njengoko zingenayo i-mercury enetyhefu. 

Ngapha koko, ii-LED zehlisa ubunzima bamehlo njengoko abantu betyekele ekusebenziseni iithowuni ezipholileyo, kwaye azikhuphi imitha ye-UV. Ngokuqhelekileyo, ukukhanya okutyheli kubonakala kuyeyona nto ikhuselayo kwiiretina. Kwakhona kudala umphumo ochaseneyo nokukhanya okuluhlaza okwesibhakabhaka.

4. Ukufakwa lula

Ii-LED zinokufakwa ngokulula ngaphandle kolwazi lobugcisa. Nangona kunjalo, ukufakela imichilo ye-LED kukwasemnweni. Ukunamathela ezi zibane zokukhanyisa kunye ne-adhesives okanye iigwegwe zisetyenziswa ngexesha lofakelo lwazo. Ngaphezu koko, emva kokukhupha ezi zibane zokukhanyisa, zingaphinda zisetyenziswe ngaphandle 

5. Ubomi Obude 

Iibhalbhu ze-LED ziyafikeleleka kwaye zisebenza phantse ngaphezulu kweeyure ezingama-100,000. Ukubala okuphakathi, ii-LED zingenza ngokufanelekileyo iiyure ezili-10 ngosuku. Nangona kunjalo, akukho mimandla enjalo yokusebenza ye-LED inokutshisa kunye nexesha, okwenza ukuba i-75% ibaluleke ngaphezu kwee-incandescent bulbs kunye ne-CFL. 

6. Unikezelo lombala oluchanekileyo 

Ii-LED ziphezulu CRI kunye nokubonelela ngeethoni zemibala efudumeleyo. Amathoni afudumeleyo afana nezibane ezityheli okanye eziorenji zikhethwa ukufumana isiphumo sokuphumla kunye nokuthomalalisa kwezinye iindawo njengamagumbi okulala. Nangona kunjalo, iithoni ezipholileyo zikhethwa kwiindawo zokusebenza.

laser

1. Imonochromatic 

I-laser ivelisa imisebe yokukhanya yobude obunye okanye obufanayo, ke ibizwa ngokuba yi-monochromatic. Izibane ezimhlophe zidibanisa kunye noluhlu lwamaza abonakalayo angama-400 - 700 nm. 

Nangona kunjalo, le mitha ayiphambuki kulo naliphi na icala. Ukukhanya okuphuma kwi-laser kuphuma kwinguqu yeathom enye malunga nobude obuthile. Yiyo loo nto yenza umbala othile we-spectral. 

2. Unamathelwano 

Ubude bemitha yelaser ayihlukani kwaye isiya kwicala eliqinisekileyo. La maza obude 

ziyafana kuzo zonke izigaba ezinokwenzeka. Nangona kunjalo, amaza enziwe yimitha yokukhanya alungelelaniswa ngakumbi kwaye ngaloo ndlela alandela ubude obufanayo. 

3. Amandla aPhezulu 

I-laser ikhupha ii-electron ngokumpompa amandla kwaye iboshwe ngokusebenzayo kunye ne-athomu. Ezi athom zityhala ii-electron ziye kwinqanaba eliphezulu le-quantum yamandla. Nangona kunjalo, ii-electron zihlala zihlawuliswa ngenxa yamandla ampontshwayo. 

Ii-electron ezisuka kwi-laser zenziwe ngemisinga yombane. Nangona kunjalo, amandla angaphezulu abangela ukuba ii-electron zitshintshe indlela yazo ukusuka ezantsi ukuya kwi-orbit ephezulu ukujikeleza i-nucleus. 

4. I-Polarized 

Iilaser zihlala zikwimo yepolarized. Nangona kunjalo, iiplanga zihlala zihamba kwicala elithe tye, ngoko ke zenza ii-engile ezichanekileyo. Izibane zepolarized laser zongeza ubuchule ngokuphucula umgangatho wemifanekiso yezinto ezifunyenweyo. Ngaphezu koko, ukuguqulwa kwentsimi yombane kwii-electron ezingalunganga zijikeleza i-nuclei efanelekileyo kwicala elichaseneyo.

5. Ihlanganiswe 

I-collimated beam yokukhanya kwe-laser isasazeka kwi-homogeneous medium. Ngokwahlukileyo koko, ukuhlukana kwemiqadi esezantsi kubangela utshintsho oluthile ekuhanjisweni okubanzi kwimigama echaziweyo.

Izibane ze-laser ezihlanganisiweyo zihambelana. Ngoxa ihamba, isasazeka ngokuthe ngcembe. Le miqadi ikwabizwa ngokuba yi-collinear kwaye icwangciswe ngomgca othe ngqo.

6. Ifuna isiXhobo esiKhethekileyo

Xa usebenza nge-laser, kufuneka izixhobo ezikhethekileyo zokukhusela. Ingaba lutyando oluphakathi, ukusika isinyithi, okanye enye into, umsebenzisi kufuneka anxibe iiglavu ezikhethekileyo ezinokugcina izandla zikhuselekile kwi-laser. Umsebenzisi kufuneka agqume amehlo akhe ngemaski ekhethekileyo yobuso obugcweleyo ukuze ahluze imitha eyingozi yelaser kwaye ayigcine ekonakaliseni amehlo.

I-LED vs. Itshathi yokuthelekisa iLaser

Ingxaki	IKhowudi yokuKhulisa ukukhanya	laser
Principle Working	Ukukhanya kombane	Ukukhutshwa okukhuthazwayo
Isantya sokuphendula	Slow	ngokukhawuleza
Ukuqhuba ngoku	I-50mA ukuya kwi-100mA	I-5mA ukuya kwi-40mA
Uluhlu lweBandwidth	10THz ukuya kwi50THz	I-1MHz ukuya kwi-2MHz
Umbane-ukuya-kukukhanya koguqulo olusebenzayo	20%	70%
ixabiso	Iindleko eziphantsi, ngoko ke, zinoqoqosho	Iindleko eziphezulu, ngoko, isicelo esincinci

FAQs

isiphelo

Ekupheleni kweli nqaku, sabona umahluko omkhulu phakathi kwee-LED kunye ne-laser. Emva kothelekiso, kukhuselekile ukugqiba ukuba ii-LED kunye ne-laser zineendlela ezahlukeneyo zokusebenzisa kunye nokusetyenziswa. Ngelixa ii-LED ngokuyintloko zenzelwe ukukhanyisa, iilaser zenzelwe ukuchaneka, ukukhomba ukudubula, kunye nomsebenzi ofuna ukudubula umqadi wokukhanya ukuya kwindawo egqibeleleyo. Kwakhona, imibala eyahlukeneyo ye-LED kunye ne-laser ineempembelelo ezahlukeneyo, yiyo loo nto isetyenziswa kwiintlobo ezahlukeneyo zonyango. Ngelixa i-LED ityekele ngakumbi kwimpilo yengqondo, iilaser ziluncedo ngakumbi kwi-anatomy kunye nonyango lwamalungu omzimba womntu.

I-LEDYi yenza umgangatho ophezulu Imichilo ye-LED kunye ne-LED neon flex. Zonke iimveliso zethu zidlula kwiilabhoratri zobuchwepheshe obuphezulu ukuqinisekisa owona mgangatho uphezulu. Ngaphandle koko, sinikezela ngeenketho ezinokwenziwa ngokwezifiso kwimigca yethu ye-LED kunye neon flex. Ke, kwiprimiyamu ye-LED strip kunye ne-LED neon flex, uqhagamshelane LEDYi NGOKUKHAWULEZA OKUDIBENE NOKUNGXAMA!