Uyini Umehluko Phakathi Kwe-LED Ne-Laser?

Imisebe yokukhanya yindlela amandla ahamba ngayo mayelana nephuzu elithile. Izibani ngokuvamile zihamba emigqeni eqondile futhi zihlala zihambisana. Ama-Lasers nama-LED yizingxenye ezimbili ezibalulekile zokukhanya. 

I-laser ikhombisa imithelela ezwakalayo futhi ikhombisa izinkambu kazibuthe ezihambisanayo endleleni efanayo. Kodwa-ke, ama-laser awusizo kuma-optical disc drives, ukulandelana kwe-DNA, nokunye okuningi. 

Ama-Lasers asuka emizileni yamandla aphezulu aye kwephansi ngemva kokukhuthazwa ama-electron anamandla amakhulu. Isebenza ngokugqamile njengemishayo yokukhanya evamile futhi ibonisa izinzuzo ezimbalwa zezempilo, njengokuvimbela ukulahleka kwegazi emithanjeni yegazi.

I-LED iyisisetshenziswa se-semiconductor uma ishajwe ngamandla kagesi, ikhipha ukukhanya. Lezi zisebenza kahle kakhulu ekunikezeni izibani ezibonakalayo ezinobude obude nokuqina. Lezi zindawo zokukhanyisa ziyasebenza ekufakweni kuzo zombili izindawo ezingaphakathi nangaphandle. 

Ukukhanya kwe-LED Kuchaziwe

Bakhipha amandla e-photon ngemva kokuba ama-electron ehlangene nezimbobo ze-electron. Izibani ze-LED zisebenza kahle kakhulu ekukhishweni kwamandla kunamalambu e-incandescent namanye amalambu e-fluorescent. 

Ukusebenza kahle kwezibani ze-LED zezentengiselwano yi-200 lumen per watt (Lm/W). Ngakho-ke, impilo yayo ende kakhulu kunezibani ze-fluorescent. Isekethe ye-elekthronikhi iyadingeka ekugelezeni kwamanje futhi isebenza kakhulu ngama-chips e-LED. Ama-LED angafudumala ngokushesha futhi anganciphisi iminyaka yawo yokuphila. Kodwa-ke, ukuphuma kokukhanya kwama-LED kuncipha ngokuhamba kwesikhathi. 

I-microchip iyingxenye eyinhloko yama-LED aqala ukubonakala kokukhanya. I-Electroluminescence iyisimiso lapho ama-LED asebenza khona. Noma kunjalo, yamanje ithwala amashaji ahlangana endaweni yomgwaqo bese ekhulula ama-photon. I-LED Chip kanye ne-Driver yizona zinto eziyinhloko zesibani se-LED.

Ukuze uthole ukwaziswa okwengeziwe, ungafunda Izinzuzo kanye Nemibi Yokukhanyisa kwe-LED.

I-Laser Light Ichazwe

Ukukhanya kwe-laser kuncane Ibhulogi yokukhanya okuphuma ku-laser. Ingenye yezindawo zokukhanyisa ezisebenza kahle kakhulu nezilusizo ezingxenyeni zobuchwepheshe. Igama elifushane elithi 'Laser' limelela Ukukhulisa Ukukhanya Ngokuphuma Okuthuthukisiwe Kwemisebe. I-laser i-monochromatic, futhi imishayo iyahambisana futhi ayigqamisi ibanga elide.  

I-laser iqukethe isibuko esiyisicaba nesigobile. Ama-curvature ahola i-beam ewumngcingo ukuze ithole irediyasi ephelele futhi ijike ngokunyakaza okuyindilinga ngaphandle kokuphazamisa ububanzi berediyasi ngomjikelezo ngamunye. Ukulahlekelwa amandla ekunyakazeni kwendilinga yeresonator kuthiya amandla ayo okubona.

Imishayo ye-laser iyasebenza ekutholeni indawo eqondile ukuze kuzuzwe i-irradiance. Nokho, ayihlukani iye endaweni ebanzi. Ngakho ukugxila kwemisebe kuphansi. Igagasi le-polarized laser litholwa ngemvamisa ethile, okubonisa ukuhlangana kobude bemishayo.

I-LED vs. I-Laser- Umehluko Obalulekile

• Amalambu e-LED anemisebe yokukhanya ehlakazayo, okusho ukuthi imisebe yokukhanya isakazeka njengoba ihambela kude nomthombo wokukhanya. Ama-Lasers anomugqa oqondile ohamba ngomugqa oqondile. Ama-Lasers awahlakazi. Ama-LED akhiqiza ibhendi ebanzi yamaza wamaza, kuyilapho ama-laser ane-band-band wavelength. 
• Imisebe ye-LED ihamba kancane kunemisebe ye-laser. Lokhu kusho ukuthi ama-LED aphendula kancane kunama-laser.
• Imisebe ye-LED iphephile emehlweni enyama. Ngokuphambene nalokho, ama-lasers angashiya umonakalo unomphela esweni lenyama. Abantu badinga ukuhlomisa ngegiya elikhethekile elivikela amehlo lapho besebenza ngamalaser.
• Ukuqina kokukhanya kwe-LED kuncane kakhulu kunama-lasers. Lokho kwenza abantu bakwazi ukubheka isibani se-LED ngamehlo abo anqunu imizuzwana embalwa ngaphandle kokulimaza amehlo unomphela. Ngisho namasekhondi angu-3 noma ngaphezulu, ukubuka umthombo we-laser kungalimaza unomphela amehlo.
• Ukusebenza kahle kokuguqulwa kwama-LED kuphansi kakhulu uma kuqhathaniswa namalaser. Ama-Lasers angaguqula ugesi ukuze ukhanye ufike ku-70%, kuyilapho ama-LED akwazi ukuguqula kuze kufike ku-10% noma mhlawumbe u-20%.
• Ngenxa yezindleko eziphansi zokukhiqiza kanye nezinqubo zokukhiqiza ezilula, ama-LED ashibhile kunama-laser.
• Ukusetshenziswa kukagesi nge-LED kuncane kakhulu kune-laser. Ama-laser athile angabhoboza noma anciphise amashidi ensimbi, okudinga ukusetshenziswa kukagesi osindayo. Ama-LED awaklanyelwe ukusebenzisa ugesi omningi.

Izicelo

LED

1. Izindawo Zangaphakathi 

Ama-LED angenye yezindlela ezingcono kakhulu zamalambu e-fluorescent. Ziqukethe i-mercury yamakhemikhali engenabungozi, okwenza izibani ze-LED zibe inketho engenakushintshwa. Ekamelweni lokuphumula, ama-LED asetshenziselwa ukunikeza i-aura ekhanyayo. 

Ngakolunye uhlangothi, abanye baphinde bakhethe isimo esimnyama endaweni efanayo. Ngakho-ke umhleli kufanele acabange indawo ngaleyo ndlela ukuze umsebenzisi akwazi ukushintsha ukukhanya kwezingosi ngokuvumelana nesimo sakhe sengqondo.

Ekhishini, ama-LED afakwe kumqondo okhanyisiwe ngokusebenzisa indawo ebanzi yemisebenzi eyenziwe. Kodwa-ke, ukukhanya kwekhabhinethi kusetshenziselwa ukugcizelela isigaba esithile. Ngesikhathi esifanayo, izibani ezikhanyayo ezikhanyayo zibhekwa njengokukhanyisa izindawo ze-pantry noma isiqhingi sasekhishini. 

Ekamelweni, ukukhanyisa okunzima akukhethiwe. Kucatshangelwa izibani ezimnyama noma ezithambile ezinciphisa ubunzima bamehlo. Yingakho ama-shades akhanyayo apholile athandwa ekamelweni. 

2. Izimoto 

Ama-LED angaba inketho engcono kakhulu uma othile efisa ukuzuza ukubukeka okuhle emotweni yakhe. Ukukhanyisa ingaphakathi lemoto ngamalambu e-LED kungakhulisa ukubaluleka kwayo. Ngakolunye uhlangothi amalambu e-LED nawo angezinye zezimoto ezidumile, okwenza imoto ibukeke kangcono futhi iyinhle. 

3. Izindawo Zangaphandle 

Ngokusho kokuvezwa kwama-LED ama-bulb, afakwe ezindaweni zangaphandle. Nokho, kungcono ukusebenzisa ama-LED ethoni efudumele njenge-2000K-3000K kunoma iyiphi indawo yangaphandle. Ukukhanya ngeke kuqine kakhulu futhi kuzonikeza ukukhanya okwanele ezindaweni ezibanzi. Amazinga okushisa aphakeme ombala anikeza umphumela opholile futhi ahlala isikhathi eside kunama-incandescent bulb. 

4. Amalambu ezimoto 

Ama-LED adla amandla amancane futhi akhanya kakhulu kunanoma yiluphi olunye uhlobo lokukhanya. Lezi zici zikwenza kusebenze kahle kakhulu ukwenza imali kuma-LED amarobhothi. Noma kunjalo, ihlala isikhathi eside futhi iphila isikhathi eside. I-chip ye-semiconductor nesibonisi silolonga ama-LED. Lezi zifakwe kwilensi encane enombala.

5. Ukuxhumana Kwebanga Eliphansi

Uyakholwa noma ungakholwa, ubuchwepheshe obufana ne-Li-Fi benza kube nokwenzeka ukudlulisa idatha kusetshenziswa ukukhanya. Ama-LED angasetshenziselwa ukuxhumana kwebanga eliphansi, njengoba idatha ingahamba kuzo zonke izindawo lapho imisebe yokukhanya ifinyelela khona emthonjeni wokukhanya we-LED. Kodwa ukudluliselwa kwedatha ngenani eliphansi, futhi ukuphazamiseka kwangaphandle kungabangela ukulahleka kwedatha kalula. Ukuqina kokukhanya kulawula isivinini sokudlulisa idatha, noma kunjalo.

6. Isikrini Sokubonisa

Izikrini zokubonisa zisetshenziswa kuma-TV, ama-smartphone, amaphilisi, amakhompyutha, njll. Kuzikrini zokubonisa ezisekelwe ku-LED, i-matrix ye-LED ishumekwe kuphaneli, enesibopho sokukhiqiza izithombe esikrinini. I-motherboard ohlelweni lokubonisa inquma umbala okhazimulayo we-LED ngayinye kuphaneli. Imvamisa lapho la ma-LED ashintsha khona umbala amelelwa izinga lokuvuselela, elilinganiswa nge-Hertz.

7. Lighting Decoration

Kungakhathaliseki ukuthi umkhosi, umcimbi, noma umhlangano webhizinisi, ama-LED asetshenziselwa ukuhlobisa noma ukukhanyisa indawo ezungezile ukuze afane nomcimbi. I-Fairgrounds ihlotshiswe ngokuyinhloko ngama-LED, ngenxa yobubanzi bemibala ebanzi nokusebenza kahle okuphezulu. Ngaphezu kwalokho, ukuhlobisa ukukhanyisa usebenzisa ama-LED nakho kuyathandwa ezindaweni zokukhulekela.

I-Laser 

1. Ukusika I-Laser 

Inqubo yokusika impahla kusetshenziswa i-laser ukusika i-laser. Ukunqunywa kobukhulu obunembile nokuphezulu kutholakala ngale nqubo. Kodwa-ke, imishayo ye-laser ivela ku-nozzle iye ezintweni ezisebenzayo kule nqubo. Ukusika i-laser kunenzuzo ekusikeni kwe-plasma futhi kudla amandla amancane ekunqumeni amashidi e-aluminium nensimbi. 

2. I-Optics 

I-Optics inquma ukuphambukiswa kwemishayo yokukhanya kumidiya ehlukene. Isebenza kahle ngemuva kokuqhathanisa ne-laser. Ama-Optics asetshenziswa ekusetshenzisweni kwesithombe futhi ngaleyo ndlela avimbele ukungahambi kahle kwesignali kwezinsimbi ezisekelwe nge-laser.

3. I-Photobiomodulation 

I-Photobiomodulation yamukelwa njengokwelashwa kusetshenziswa ubude begagasi bemishayo yokukhanya. Ukusebenzisa amaza okukhanya abomvu naseduze kwe-infrared kusebenza ngokugqamile ukuthuthukisa ukujikeleza kwegazi nokunciphisa ubuhlungu. I-Laser isetshenziselwa ukunciphisa ukuvuvukala nokusheshisa inqubo yokuphulukisa. 

4. Ukuqola 

Ukuqopha amashidi ensimbi noma ukwelashwa okungaphezulu Ukuqoshwa kwe-laser kunosonhlamvukazi. Ubuchwepheshe obuphambili bokuqoshwa kwensimbi bubalulekile kumashidi e-aluminium noma ensimbi. Kodwa-ke, ngale ndlela, ukunemba kwezinga eliphezulu kwamashidi kungatholakala ngezindleko ezincane zokunakekela. 

5. spectroscopy 

Ukuqanjwa noma ikhwalithi yezinto zokwakha kunganqunywa nge-laser spectroscopy. Kodwa-ke, iphinde yaveza ukugcwala kwezinto nokulandela amagesi akhona endaweni ezungezile. I-Laser spectroscopy iphenya ukwakheka kwama-athomu nama-molecule ahlobene nomkhathi.

6. Medicine 

Kuyamangaza impela, kepha ama-laser asetshenziswa kumasu wezokwelapha athuthukile. I-Laser isetshenziswa ekwelapheni amagciwane ahlukahlukene futhi inciphisa ukuhlasela kwawo. Ngo-1963 i-laser yasetshenziswa ekuhlinzweni kwenhliziyo. Nokho, kubalulekile ekukhishweni kwamaseli ayingozi. 

7. I-Laser Beam Welding 

Ku-laser beam welding, amashidi amabili ezinsimbi axhunywe kusetshenziswa imishayo ye-laser. Ukushisela amashidi ensimbi engagqwali, i-aluminium, noma i-titanium ngezinye zezibonelo ezivamile. Ukusetshenziswa kwama-lasers kubaluleke kakhulu embonini yezimoto.

Izici ezihlukile

LED

1. Yonga Amandla 

Uhlobo lwesimanje lwama-LED longa amandla afika ku-95% ngokunikeza ingcindezi encane ezikweletini zikagesi. Amalambu e-LED akhipha ukukhanya kufika ku-180°, okukhombisa ukuthi akukho ukumoshakala kokukhanya.

Kodwa-ke, lokhu kuchaza ukonga okuningi ngokungafani namandla amoshekayo amancane. 

Ama-LED akhiwe ngezinto ze-semiconductor lapho ama-electron ageleza futhi aqalise ukwakheka kwamandla okushisa. Nokho, kuma-LED, i-gallium phosphide ne-gallium arsenide zikhiqiza ama-electron futhi zikhipha amandla. Ama-LED agwema ukusebenzisa amandla awo ukuze awaguqule abe ukukhanya, ukushisa, namandla. Ngaphezu kwalokho, bagxila ngokuphelele ekudaleni ukukhanya kusuka endaweni edingekayo. 

2. Izindleko eziphansi zokulungisa 

Uma usebenzisa ama-LED, akudingeki ucabange ngezindleko zawo zokuwalungisa. Azinawo umthelela ongatheni emvelweni. Noma kunjalo, ukushisa kwazo kuncike ekusebenzeni kwazo emazingeni okushisa ahlukene. 

Ngokwemithombo, ama-LED ashibhe ngo-12% kunama-CFL bulbs futhi ashibhe ngo-74% kunama-incandescent bulb. Ngakho-ke ama-LED awadingi ukulungiswa okuningi njenge-CFL nama-incandescent bulb. 

3. Nciphisa Ukuqina Kwamehlo 

Amalambu e-CFL aqukethe i-mercury eyingozi kubantu nasemvelweni. Ngakolunye uhlangothi, izibani ze-LED zibangela ukuwohloka okuncane kwamehlo njengoba zingenayo i-mercury enobuthi. 

Ngaphezu kwalokho, ama-LED anciphisa ukuqina kwamehlo njengoba abantu bethambekele ekusebenziseni amathoni apholile, futhi awakhiphi imisebe ye-UV. Ngokuvamile, ukukhanya okuphuzi kubonakala kuwumsebe ovikela kakhulu ama-retina. Iphinde idale umphumela ohlukile ngokukhanya okuluhlaza okwesibhakabhaka.

4. Ukufakwa okulula

Ama-LED angafakwa kalula ngaphandle kolwazi lobuchwepheshe. Kodwa-ke, ukufaka imichilo ye-LED nakho kusesandleni. Ukunamathisela lezi zinto zokukhanyisa ngezinamatheliso noma izingwegwe kusetshenziswa ngesikhathi sokufakwa kwazo. Ngaphezu kwalokho, ngemva kokukhipha lezi zinto zokukhanyisa, zingasetshenziswa kabusha ngaphandle 

5. I-Lengthy Life Span 

Ama-LED ama-bulb ayathengeka futhi asebenza cishe amahora angaphezu kuka-100,000. Ngokwezibalo ezimaphakathi, ama-LED angasebenza kahle amahora ayi-10 ngosuku. Nokho, azikho izindawo ezinjalo zokusebenza zama-LED ezingasha ngokuhamba kwesikhathi, okuwenza abe ngo-75% abaluleke kakhulu kunama-incandescent bulb nama-CFL. 

6. Ukunikezwa Kombala Okunembile 

Ama-LED aphezulu I-CRI futhi unikeze amathoni ombala afudumele. Amathoni afudumele afana nezibani eziphuzi noma ezisawolintshi ancanyelwa ukuthola umphumela ophumuzayo futhi opholile kwezinye izindawo njengamagumbi okulala. Nokho, amathoni apholile akhethwa ezindaweni zokusebenza.

I-Laser

1. Oku-monochromatic 

I-laser ikhiqiza imishayo yokukhanya ye-wavelength eyodwa noma efanayo, ngakho ibizwa nge-monochromatic. Izibani ezimhlophe zihlangana nohlu lwamaza abonakalayo angama-400 - 700 nm. 

Nokho, le mishayo ayihlukani kunoma iyiphi indlela. Ukukhanya okuphuma ku-laser kuphuma ekuguqukeni kwe-athomu eyodwa ngokuphathelene nobude obuthile begagasi. Ngakho yakha umbala othize we-spectral. 

2. Ukubumbana 

Amaza amaza emishayo ye-laser awahlukani futhi aya endaweni eqondile. Lawa maza wamaza 

ziyefana kuzo zonke izigaba ezingenzeka. Nokho, amagagasi akhiwe imisebe yokukhanya ahambisana kakhulu futhi ngaleyo ndlela alandela ubude obufanayo. 

3. Amandla Aphakeme 

I-laser ikhipha ama-electron ngokumpompa amandla futhi iboshwe ngenkuthalo nama-athomu. Lawa ma-athomu asunduza ama-electron aye ezingeni eliphezulu le-quantum energy. Nokho, ama-electron ahlala ekhokhiswa ngenxa yamandla ampontshwayo. 

Ama-electron avela kuma-lasers adalwa kusuka kumoya kagesi. Noma kunjalo, amandla engeziwe agqugquzela ama-electron ukuba ashintshe indlela yawo esuka kwephansi aye emzileni ophakeme ukuze azungeze i-nucleus. 

4. I-polarized 

Ama-laser ahlala esesimweni se-polarized. Kodwa-ke, imishayo ihlale ihamba ngendlela eqondile, yingakho yenza ama-engeli alungile. Izibani ze-laser ezenziwe nge-polarized zithuthukisa inqubo ngokwenza ngcono ikhwalithi yezithombe zezinto ezitholiwe. Ngaphezu kwalokho, ukuguqulwa kwensimu kagesi kuma-electron angalungile kuzungeza i-nuclei enhle ngokuphambene.

5. Kuhlanganiswe 

I-collimated beam yokukhanya kwe-laser isakazeka ngendlela efanayo. Ngokuphambene, ukwehlukana kwemishayo ephansi kubangela izinguquko ezithile ekusabalaliseni okubanzi ebangeni elishiwo.

Izibani ze-laser ezihlanganisiwe ziyahambisana. Lapho sihamba, sihlakazeka kancane kancane. Le mishayo ibizwa nangokuthi i-collinear futhi ihlelwe ngomugqa oqondile.

6. Idinga Izisetshenziswa Ezikhethekile

Lapho usebenza ngama-lasers, igiya elikhethekile lokuvikela liyadingeka. Noma ngabe ukuhlinzwa okuphakathi, ukusika insimbi, noma okunye, umsebenzisi kufanele agqoke amagilavu ​​akhethekile angagcina izandla ziphephile ku-laser. Umsebenzisi kufanele futhi amboze amehlo akhe ngemaski ekhethekile yobuso obugcwele ukuze ahlunge imisebe eyingozi yelaser futhi ayigcine ingalimazi amehlo.

I-LED vs. Ishadi Lokuqhathanisa I-Laser

Isici	I-Light Emitting Diode	I-Laser
Ukusebenza Isimiso	Ukukhanya kwe-electro	Ukukhishwa okukhuthazwayo
Isivinini Sokuphendula	Slow	fast
Ukushayela Kwamanje	50mA kuya ku-100mA	5mA kuya ku-40mA
Ibanga Lomkhawulokudonsa	10THz kuya ku-50THz	1MHz ku-2MHz
Ukusebenza kahle kokuguqula ugesi uye ekukhanyeni	20%	70%
Cost	Ngakho-ke, izindleko eziphansi ziyonga	Ngakho-ke, izindleko eziphezulu, isicelo esilinganiselwe

Imibuzo Evame Ukubuzwa

Isiphetho

Ekupheleni kwalesi sihloko, sibone umehluko omkhulu phakathi kwama-LED nama-lasers. Ngemuva kokuqhathanisa, kuphephile ukuphetha ngokuthi ama-LED namalaser anokusetshenziswa okuhlukile nezinhlelo zokusebenza. Nakuba ama-LED ngokuyinhloko enzelwe ukukhanyisa, ama-laser enzelwe ukunemba, ukukhomba ukuthwebula, kanye nomsebenzi ofuna ukudubula i-beam yokukhanya ifike endaweni efanele. Futhi, imibala ehlukene ye-LED namalaser anemithelela ehlukile, yingakho isetshenziswa ezinhlotsheni ezahlukene zokwelapha. Nakuba i-LED ithambekele kakhulu empilweni yengqondo, ama-laser awusizo kakhulu ku-anatomy kanye nokwelashwa kwezitho zomzimba womuntu.

I-LEDYi ikhiqiza izinga eliphezulu Imichilo ye-LED ne-LED neon flex. Yonke imikhiqizo yethu idlula ezindaweni zokusebenzela zobuchwepheshe obuphezulu ukuze kuqinisekiswe ikhwalithi ephezulu kakhulu. Ngaphandle kwalokho, sinikeza izinketho ongazikhetha kuma-strip ethu e-LED kanye ne-neon flex. Ngakho-ke, ngomugqa we-premium we-LED kanye ne-LED neon flex, xhumana ne-LEDYi ASAP!