Juyin Halitta na LED Chips: Ƙirƙirar, Marufi & Tsarin Duniya | KEOU Haske

Fasahar walƙiya ta sami canji na asali lokacin da ƙaƙƙarfan ilimin kimiyyar lissafi ya maye gurbin ƙarancin filament na thermal filament da bututun fitar da iskar gas mai rauni. A yau, hasken walƙiya mai haske (LED) yana lissafin mafi yawan tallace-tallacen hasken duniya a sassan zama, kasuwanci, da masana'antu. A tsakiyar wannan canji na duniya shine ɓangaren lantarki na ƙananan ƙananan: guntu na LED.

Fahimtar ƙirƙirar guntu na LED da aikace-aikacen yana bayyana yadda ilimin lissafi na semiconductor ya samo asali zuwa ingantaccen tsarin gine-gine da luminaires na masana'antu. Daga gwaje-gwajen dakin gwaje-gwaje na farko tare da electroluminescence zuwa lambar yabo ta Nobel da abubuwan ci gaban kayan aikin Chip-on-Board (COB) na zamani, juyin halitta na fitilu na LED labarin kimiyyar kayan abu ne, injiniyan zafi, da sikelin masana'antu.

1. Tarihin Physics da Ƙirƙirar Chip LED

Tafiya zuwa hasken wutar lantarki mai ƙarfi ya wuce fiye da ƙarni ɗaya, yana tafiya cikin lokuta daban-daban na gano zahiri da injiniyan semiconductor.

1906-1927: Gano Electroluminescence (Zagaye & Losev)

1962: Farkon Ganuwa Red LED (Nick Holonyak Jr. / General Electric) 1990s: High-Brightness Blue GaN LED Breakthrough (Nakamura, Akasaki, Amano) Present: Farin Canjin Farin Hoto & Marufi Mai inganci na zamani

1.1 Tushen Farko: Ƙarfin wutar lantarki na Jiha

Tun kafin microchip na zamani ya wanzu, masu bincike sun gano cewa igiyoyin lantarki da ke wucewa ta cikin kayan aiki mai ƙarfi na iya haifar da haske ba tare da ƙarancin zafi ba. A cikin 1907, masanin gwajin Burtaniya Henry Joseph Round ya rubuta electroluminescence a cikin semiconductor diodes yayin da ake amfani da halin yanzu zuwa lu'ulu'u na silicon carbide (SiC). Masanin kimiya na Rasha Oleg Losev ya wallafa cikakkun kasidu na ka'idoji kan fitar da hasken diode a cikin 1927. Duk da haka, waɗannan na'urori na farko sun ba da haske mai rauni kuma ba su da dabarun ƙirƙira semiconductor, sauran abubuwan da suka rage na dakin gwaje-gwaje shekaru da yawa.

1.2 1962: Dr. Nick Holonyak Jr. da Na Farko Mai Ganuwa Red LED

Asalin aikace-aikacen guntu na LED na gaskiya ya faru ne a cikin Oktoba 1962 a Laboratory Advanced Semiconductor General Electric. Masanin kimiyyar lissafi Dr. Nick Holonyak Jr. ya yi aikin injiniya na farko a duniya Ganuwa-bakan jan LED a cikin 1962 ta amfani da Gallium Arsenide Phosphide (GaAsP) pn junctions.

Ba kamar infrared semiconductor lasers da aka haɓaka a daidai wannan lokacin, diode na Holonyak ya fitar da haske mai haske idan aka nuna son kai. Lokacin da electrons suka sake haɗuwa tare da ramukan lantarki a fadin bandgap na semiconductor, an fitar da makamashi a matsayin photon da ake iya gani maimakon zafi. Wannan ci gaban ya sami amincewar Holonyak a matsayin 'Uba na LED Ganuwa.' A cikin shekarun 1970s, masu bincike sun fadada akan GaAsP da Gallium Phosphide (GaP) sunadarai don kera alamun LED na rawaya da orange don kayan lantarki, agogon dijital, da bangarorin sarrafawa.

1.3 Nasarar 'Bace Blue' da Kyautar Nobel ta 2014

Duk da farkon ci gaba tare da diodes mai nuna ja da kore, ingantaccen haske na gabaɗaya ya kasance ba zai yiwu ba har tsawon shekaru talatin saboda masana kimiyya ba za su iya samar da hasken shuɗi mai haske ba. Ƙarshen haske na fari yana buƙatar ko dai haɗaɗɗen RGB ko shuɗi mai haske mai ban sha'awa mai ban sha'awa mai kyalli phosphor.

Ƙirƙirar ingantaccen LED mai launin shuɗi yana buƙatar kayan semiconductor tare da babban ƙarfin bandgap, musamman Gallium Nitride (GaN). Haɓaka ingantattun lu'ulu'u na GaN sun tabbatar da matuƙar wahala saboda ƙarancin zafi da ƙarancin lahani akan abubuwan sapphire na gargajiya.

Wannan ci gaban ya zo ne a ƙarshen 1980s da farkon 1990s ta hanyar aiki mai zaman kansa da haɗin gwiwa na masana kimiyya na Japan Isamu Akasaki, Hiroshi Amano, da Shuji Nakamura. Aiki a Kamfanin Nichia, Nakamura ya haɓaka dabarun haɓakar haɓakar ƙarfe-kwayoyin halitta na sinadarai (MOCVD) da hanyoyin doping na nau'in GaN. Wannan ya ba da izinin ƙirƙirar LEDs mai haske mai haske Gallium Nitride.

Gane gagarumin tasirin al'umma na farin haske mai ƙarfi, kwamitin Nobel ya ba Akasaki, Amano, da Nakamura kyautar. 2014 Nobel Prize a Physics don blue GaN LEDs.

Maɓallin Takeaway : Ƙirƙirar babban haske mai launin shuɗi GaN LED shine babban ci gaban kimiyya wanda ya sa farin hasken LED ya yiwu a zahiri, yana buɗe motsi daga alamomin lantarki masu ƙarancin lumen zuwa babban hasken wutar lantarki.

1.4 Juyin Halitta: Yadda Chips Blue ke Ƙirƙirar Farin Haske

Farar LED chips na zamani ba sa fitar da farin haske ta halitta. Madadin haka, suna amfani da tsarin da ake kira phosphor-Converted White LED (pc-LED):

1. GaN Semiconductor Mutu : Babban GaN guntu yana fitar da haske mai shuɗi mai launin shuɗi a tsayin tsayi tsakanin 450 nm da 460 nm.

2. YAG Phosphor Coating : An lullube guntuwar a cikin resin ko siliki mai ɗauke da Yttrium Aluminum Garnet da aka yi da cerium (YAG: Ce⊃3;⁺).

3. Juyawar Photon : Wani yanki na hotunan shudi mai ƙarfi yana burge YAG phosphor, yana sake fitar da haske mai launin rawaya-kore.

4. Spectral Synthesis : Hasken shuɗi mara nauyi yana haɗuwa tare da hasken rawaya-koren haske don samar da haske mai haske wanda ya dace da aikace-aikacen gine-gine da kasuwanci.

Ta hanyar canza tsarin phosphor (ƙara nitrides ko fluorides), masana'antun za su iya sarrafa daidaitattun Yanayin Yanayin Launi (CCT daga 2700K dumi farin zuwa 6500K hasken rana) da Ƙwararren Ƙwararren launi (CRI Ra> 80, Ra> 90, ko Ra> 97).

2. Juyin Halitta na Jiki: Daga Alamomin Diode zuwa Haɗin Gine-gine na Luminaire

Kamar yadda aikin guntu na semiconductor ya inganta, marufi na zahiri da ke kewaye da mutuwar LED ya samo asali don shawo kan iyakokin zafi da saduwa da buƙatun rarraba gani iri-iri.

2.1 DIP Diodes (Kunshin In-line Dual)

An lullube kwakwalwan kwamfuta na LED na farko na kasuwanci a cikin bawoyin resin epoxy mai siffar harsashi tare da miɗaɗɗen hanyoyin waya guda biyu. Wanda aka sani da LEDs DIP, waɗannan abubuwan haɗin sun dogara da firam ɗin gubar bakin ciki don tarwatsewar zafi. Saboda resin epoxy mara kyau ne mai kula da thermal, tuki LEDs DIP sama da 0.1 Watts ya haifar da lalatawar thermal. Sakamakon haka, LEDs DIP sun kasance iyakance ga ƙananan fitilun nunin lumen da ainihin alamun waje.

2.2 SMD LED Chips (Na'urorin Da Aka Hana Sama)

An ƙaddamar da shi a ƙarshen 1990s, fakitin na'ura mai hawa sama (SMD) ya kawo sauyi mai ƙarfi na haɗaɗɗun hasken jiha. A cikin fakitin SMD (kamar daidaitattun tsarin 2835, 3030, ko 5050), kowane LED ya mutu yana da alaƙa da ƙaramin yumbu ko gidaje na roba kuma ana siyar da su kai tsaye zuwa saman allon kewayawa.

SMD kwakwalwan kwamfuta sun gabatar da fa'idodin injiniya da yawa:

• Wide Optical Beam Angles : Kusurwoyin fidda haske na asali daga 110° zuwa 140° suna ba da hasken yanki iri ɗaya.

• Maɗaukaki Mai sarrafa kansa : Fasaha-Mount Fasaha (SMT) Injin zaɓe da wuri sun rage farashin samarwa.

• Scalable Thermal Spreading : Tazarar kananan kwakwalwan SMD da yawa a fadin Hukumar Kula da Da'irar Metal Core Printed (MPCCB) tana rarraba kayan zafi a saman babban yanki.

Fakitin SMD ya ba da damar tashin farko na samfuran sake fasalin kasuwa, gami da bututun LED na T8, kwararan fitila na gida, da filaye masu sassauƙa na LED.

2.3 Fasahar COB (Chip-on-Board)

Yayin da kwakwalwan kwamfuta na SMD suka yi fice a hasken yanki da aka rarraba, aikace-aikacen da ke buƙatar mayar da hankali, haske mai ƙarfi mai ƙarfi (kamar fitilun gine-gine, fitilun dillalai, da manyan manyan masana'antu) sun ci karo da batutuwan inuwa da yawa tare da sararin samaniyar SMD.

Fasahar Chip-on-Board (COB) tana warware wannan ta hanyar hawan dozin ko ɗaruruwan danyen LED sun mutu kai tsaye a kan PCB Metal Core PCB ko yumbu mai yumbu, wanda aka ɗaure a ƙarƙashin matrix gel phosphor mai ci gaba.

Babban fa'idodin kwakwalwan COB LED sun haɗa da:

• Babban Lumen Density : Isar da 120 zuwa 200 lm / mm², ƙirƙirar tushen haske mai mahimmanci guda ɗaya ba tare da kayan tarihi masu yawa ba.

• Haɗin kai tsaye na thermal : Kawar da matsakaicin fakitin jagora yana rage juriyar juriyar yanayin junction-to-case (R_θj-c zuwa 0.3-1.2 °C/W), ƙara tsawon rayuwar guntu a ƙarƙashin manyan igiyoyin tuƙi.

• Babban Gudanar da Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwararren Ƙwaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwalwa na Ƙaƙwal ) na ciki (TIR ) don kusurwoyin katako mai kaifi (15 °, 24 °, 36 °).

2.4 Daga Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwallon Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararru

Aiwatar da LED na farko an mayar da hankali kan dacewa da hanyoyin hasken wutar lantarki na semiconductor zuwa sifofin fitilun gado (E27 dunƙule kwararan fitila, GU10 spotlights, fluorescent tubes). Koyaya, sifofin sake fasalin tilastawa sun lalata ɓata zafi da tsawon rayuwar direba.

Ƙirar ƙayyadaddun ƙayyadaddun zamani ya rikiɗe zuwa haɗaɗɗen luminaires masu ƙarfi . Maimakon gina kwan fitila mai maye gurbin, gidan luminaire da kansa yana aiki a matsayin babban ɗumi mai zafi, firam ɗin tsari, da mai watsawa na gani. Wannan sauyi ya ba da damar fanalan rufin bakin ciki, manyan fitulun ruwa da aka rufe, da na'urorin kasuwanci na yau da kullun waɗanda aka inganta musamman don tsawon rayuwar semiconductor.

3. Me yasa Hasken LED ya zama Yaɗuwa: Mahimman Direbobi na Amincewar Duniya

Canjin saurin canzawa daga hasken gado zuwa ɗaukar LED na duniya an motsa shi ta hanyar tursasa ilimin kimiyyar lissafi, ƙarancin farashi, da manufofin makamashi na duniya.

Direbobi NA DUNIYA LED ADOPTION

1. Tsalle Tasirin Haske | 15-20 lm/W (Incandescent) → 160-200+ lm/W

2. Tsawon Rayuwa | 1,000 → 50,000-100,000 hours (L₇₀)

3. Injiniyan thermal | Die-cast aluminum, MCPCBs, junction sanyaya

4. Advanced Electronics | Babban inganci akai halin yanzu / DOB

5. Wajabcin Dokoki | Haramcin duniya akan incandescent & mercury CFLs

6. Jimlar Tattalin Arziƙi | ROI na kasuwanci na ƙasa da watanni 12

3.1 Tasirin Haskakawa (lm/W)

Ingancin ingantaccen haske yana auna yadda ingantaccen tushen haske ke juyar da wutar lantarki (watts) zuwa haske mai gani (lumens).

Dangane da bayanan da Hukumar Kula da Makamashi ta Duniya (IEA) ta bi diddigin, fakitin LED na kasuwanci na zamani suna samun inganci tsakanin 160 lm/W da 200+ lm/W, yana nuna sauye-sauye na duniya zuwa manyan fitilolin LED masu inganci a cikin shekaru goma sha biyar da suka gabata.

Idan aka kwatanta da fasahar gado:

• Wuraren Wuta : 12-18 lm/W (90% na makamashi da aka rasa azaman zafi)

• Fitilar Halogen : 18-24lm/W

• Karamin Fitilar Fluorescent (CFL) : 55-70lm/W

• Babban Matsi Sodium (HPS) : 80-110 lm/W

• LED Commercial LED Luminaires na zamani : 130-180 lm / W ingancin tsarin

Wannan rata mai inganci yana haifar da tanadin makamashi na 80% zuwa 85% idan aka kwatanta da hasken wuta da 40% zuwa 50% idan aka kwatanta da tsarin kyalli na gargajiya.

Pro Tukwici : A lokacin da kimanta LED gyarawa, ko da yaushe bambanta tsakanin guntu kunshin inganci da tsarin luminaire ingancin . Ingancin tsarin yana ƙididdige asarar sharar mai watsawa na gani da asarar ingantaccen canjin direba.

3.2 Mafi Girma Gudanar da Zazzabi da Tsawon Rayuwa

Fitilar fitilu na gargajiya suna kasawa lokacin da filament ɗinsu na tungsten ya ƙone ko kuma hatimin lantarki na iskar gas ya lalace. Kwakwalwar LED ba sa fama da ƙona filament na bala'i kwatsam. Maimakon haka, suna fuskantar raguwar darajar lumen a hankali a kan lokaci.

Madaidaicin tsawon rayuwar masana'antu ana ƙididdige shi da ma'auni na L₇₀ B₅₀ : sa'o'in aiki da ake buƙata don fitowar haske ya ragu zuwa 70% na farkon lumen a cikin 50% na yawan mutanen da aka gwada. Fitilar LED na kasuwanci na yau da kullun suna cimma ƙimar L₇₀ na awanni 50,000 zuwa 100,000.

Don cimma wannan tsayin daka, masu kera na'urorin sun dogara da ci-gaban ɓarkewar thermal:

• Metal Core PCBs (MPCCB) : Allolin da'ira mai goyan bayan Aluminum waɗanda ke jan zafi da sauri daga mahaɗin semiconductor.

• Die-Cast Aviation Aluminum Housings : Babban dumbin zafi na aluminium wanda aka ƙera tare da filaye masu sanyaya zafin jiki don haɓaka kwararar iska ta yanayi.

• Materials Interface Materials (TIM) : Babban halayen silicone pastes ko canjin canjin lokaci da aka sanya tsakanin jirgi da nutsewar zafi don kawar da gibin micro-iska.

GaN Semiconductor Die

↓ (R_θj-c: Junction-to-case)

Metal Core PCB (MPCCB)

↓ (TIM Thermal Interface Material)

Die-Cast Aluminum Heat Runk

↓ (Convective Air Cooling)

Yanayin yanayi

Ta hanyar kiyaye yanayin junction na ciki (Tⱼ) amintacce ƙasa da 85 ° C, kayan aiki masu inganci suna kula da daidaiton launi kuma suna hana lalata lumen da wuri.

3.3 Balagawar Lantarki na Direba da Da'irar DOB

Chips na LED ƙananan ƙarfin lantarki ne, na'urori masu kai tsaye (DC) waɗanda ke buƙatar takamaiman tsari na yanzu. Canje-canje a cikin ƙarfin lantarki yana haifar da canje-canje masu yawa a cikin halin yanzu (I f), wanda zai iya haifar da guduwar zafi idan ba a sarrafa ba.

Haɓakawa na ingantattun direbobin LED na lantarki sun haɓaka karɓar kasuwa:

• Direbobi Masu Canjawa Na Yanzu (CC) : Kula da ainihin fitarwa na halin yanzu (misali, 350mA, 700mA, 1050mA) a cikin jeri mai faɗin shigarwar ƙarfin lantarki (100-277V AC), yana kare kwakwalwan kwamfuta daga grid spikes.

• Direba-on-Board (DOB) Haɗin kai : A cikin gine-ginen DOB, an haɗa abubuwan haɗin direban IC kai tsaye akan PCB na aluminium iri ɗaya kamar LEDs SMD. Kawar da na'urorin lantarki na waje suna ba da damar ƙira-ƙira-ƙira-ƙira-ƙira, rage girman jigilar kaya, da rage farashin masana'anta don fitilolin ruwa na waje.

3.4 Dokokin Ka'idoji da Fitar da Matsalolin Mercury

Dokokin ingancin makamashi na gwamnati sun hanzarta kawar da hasken wutar lantarki mai mahimmanci:

• Incandescent Bans : Directives such as the US EISA regulations, European Union Ecodesign requirements, and Middle Eastern GSO efficiency standards effectively prohibited the sale of low-efficiency tungsten bulbs.

• Yarjejeniyar Minamata akan Mercury : Yarjejeniyar muhalli ta ƙasa da ƙasa sun taƙaita ƙira da shigo da bututun mai mai ɗauke da mercury da ƙananan fitilu masu kyalli (CFLs), yana haifar da haɓaka cibiyoyi zuwa haske mai ƙarfi.

3.5 Ma'auni na Masana'antu da Bayarwar Kasuwanci na Watanni 12

Kamar yadda MOCVD wafer reactor kayan aiki fadada, kudin da dubu lumens ($/klm) ragu da fiye da 90% tsakanin 2008 da 2020. A yau, da rage yawan aiki ikon amfani da gini halin kaka damar kasuwanci wuraren kasuwanci, masana'antu warehouses, da kuma liyãfa wurare don dawo da LED hažaka babban birnin kasar kashe a cikin 6 zuwa 12 watanni.

4. Jagoran Zaɓin Zaɓuɓɓuka don Sayen Hasken Kasuwanci

Don masu rarraba wutar lantarki, 'yan kwangila, da manajojin siyan kayan aiki, zabar ingantaccen ginin guntu na LED da ingantaccen ingantaccen haske yana tasiri kai tsaye ROI aikin, ta'aziyyar haske, da amincin garanti.

JAGORANCIN ZABIN APPLICATION

Shin kuna haskaka babban ofishi ko rufi na cikin gida?

Ee A'a COB Module DOB/Maɗaukakin Ƙarfin SMD Babban yawan lumen, Ƙaƙƙarfan yanayi mai jujjuyawa kunkuntar katako mai sarrafa haske na waje

YES SMD Chip Array High-uniformity, ƙananan haske mai haske (misali, KEOU Panels)

A'a kuna zana filaye mai tsayi, tabo, ko hasken ambaliya na waje?

4.1 COB vs. SMD Zaɓin Matrix

Lokacin zabar kayan aiki don ayyukan kasuwanci, daidaita guntu topology zuwa buƙatun hasken gine-gine:

• Zabi Abubuwan Luminaires na SMD (kamar Kasuwancin LED panel hasken fitilu ) don ofis na cikin gida, makaranta, da wuraren kula da lafiya inda ake buƙatar rarraba hasken yanayi mai ƙarancin haske.

• Zaɓi Luminaires na tushen COB (kamar recessed COB da SMD na cikin gida downlights ) don kasuwanci dillalai, lafazin spotlighting, gidan kayan gargajiya nunin, da kuma zurfin rufi downlights inda kaifi katako kwana da high cibiyar-beam candlepower (CBCP) ake bukata.

• Zaɓi Haɗin DOB Solutions (kamar hadedde direban-on-board (DOB) fitulun ambaliyar ruwa ) don tsaro na waje na waje, yadudduka masana'antu, da facades na ginin birni inda ƙaƙƙarfan gidaje, wuraren rufewar yanayi da kulawa mai inganci sune fifiko.

4.2 Ƙirƙirar Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararrun Ƙwararru

Lokacin kimanta hasken OEMs da abokan samar da masana'anta, duba waɗannan mahimman sigogin masana'anta:

1. Matsakaicin Matsakaicin Maɗaukaki na thermal : Tabbatar da cewa manyan kayan aiki masu ƙarfi suna amfani da aluminum MCPCBs masu ƙarfi (zazzaɓi mai zafi K> 2.0 W/m·K) waɗanda aka haɗa tare da madaidaicin madaidaicin matsugunan aluminium na jirgin sama maimakon fakitin takarda ko firam ɗin filastik.

2. Kariyar Kariyar Hasken gani : Nemo masu watsa ruwan saƙar zuma, ruwan tabarau na prismatic, ko faranti mai haske mai haske (LGP) waɗanda ke cimma Haɗin Glare Rating ɗin ƙasa da UGR 19 don haɓaka ofis da kwanciyar hankali ido.

3. Kariyar Direban Wutar Lantarki : Tabbatar cewa direbobi sun haɗa da ginanniyar kariya ta haɓaka (4kV zuwa 10kV layi-zuwa-ƙasa) da aiki mara kyau (ripple halin yanzu <3%) don hana tsangwama na kyamarar bidiyo da ƙwanƙwasa ido.

A matsayin ƙwararren masana'antar hasken wuta ta B2B LED tare da shekaru 13 na aikin masana'anta, KEOU Lighting ya haɗu da bincike mai zaman kansa na COB / SMD da haɓakawa tare da madaidaicin masana'anta. Yin hidima ga masu rarraba kasuwanci, ƴan kwangilar injiniya, da dillalai a cikin ƙasashe 116, KEOU yana mai da hankali kan na'urorin saƙar zuma mai kariyar ido, daɗaɗɗen zafi mai ƙarfi, da cikakkun sabis na keɓance OEM/ODM.

5. Tambayoyin da ake yawan yi (FAQ)

Q1: Wanene ya ƙirƙiri guntu na farko na LED, kuma wanene ya sanya farin hasken LED ya yiwu?

Dokta Nick Holonyak Jr. ya ƙirƙira jajayen LED na farko da ake iya gani-bakan a cikin 1962 yayin aiki a General Electric. Hasken haske mai haske ya zama mai yiwuwa shekaru talatin bayan haka lokacin da masana kimiyyar Japan Isamu Akasaki, Hiroshi Amano, da Shuji Nakamura suka haɓaka manyan LEDs na Gallium Nitride (GaN) mai ƙarfi a farkon 1990s - nasarar da aka amince da ita tare da lambar yabo ta Nobel ta 2014 a Physics.

Q2: Menene babban bambanci tsakanin COB da SMD LED kwakwalwan kwamfuta a cikin kayan aiki na kasuwanci?

SMD (Surface Dutsen Na'urar) kwakwalwan kwamfuta suna amfani da fakitin diodes guda ɗaya waɗanda aka siyar a kan allon da'ira, suna samar da fa'ida, uniform, ƙarancin haske mai haske don fitilun panel da na'urori masu linzami. Fakitin COB (Chip-on-Board) suna tattara ɗanyen mutuƙar da yawa tare a ƙarƙashin matrix gel ɗin phosphor guda ɗaya, yana isar da babban haske mai haske da ingantaccen katako mai kyau don fitilun ƙasa, fitillu, da manyan abubuwan gyarawa.

Q3: Me yasa fitilun LED ke daɗe da tsayi fiye da na'urorin hasken gargajiya?

LEDs suna aiki ta ƙwaƙƙwaran lantarki mai ƙarfi maimakon dumama filament tungsten mai rauni ko iskar mercury mai ban sha'awa. Saboda babu filament na inji don ƙonewa ko bututun gilashin da za su karye, manyan LEDs masu inganci waɗanda ke goyan bayan ingantattun magudanar zafi suna cimma tsawon rayuwar aiki na sa'o'i 50,000 zuwa 100,000 (L₇₀).

Q4: Ta yaya zafin jiki da kula da thermal ke tasiri aikin guntu na LED?

Wuce madaidaicin ƙimar junction semiconductor junction (Tⱼ) yana haɓaka lalata phosphor, yana canza yanayin zafin launi mai alaƙa (CCT drift), kuma yana rage haɓakar haske. Ingantattun fitilun fitilu suna amfani da dumbin zafi na aluminium da aka kashe da ƙarfe mai ƙarfi na PCBs don watsar da makamashin zafi cikin sauri cikin iskan da ke kewaye.

6. Takaitawa da Matakai na gaba

Juyin guntu na LED daga ƙaramin dakin gwaje-gwaje mai ƙarancin lumen ja diode zuwa lambar yabo ta Nobel mai launin shuɗi GaN semiconductor ya sake fasalin amfani da makamashi na duniya da ƙirar hasken gine-gine. A yau, ƙaƙƙarfan haske na ƙasa yana ba da ingantaccen haske wanda ba a taɓa ganin irinsa ba, daidaitaccen iko na gani, da tanadin tattalin arziki na dogon lokaci don wuraren kasuwanci da masana'antu.

Don masu rarraba hasken wuta na kasuwanci, 'yan kwangila, da masu gudanar da ayyukan da ke neman masu yarda, ingantattun luminaires LED luminaires waɗanda aka ƙera tare da haɓakar haɓakar zafi da zaɓuɓɓukan OEM / ODM na al'ada, yin bita na hoto na fasaha da ƙayyadaddun ƙirar masana'anta shine mataki na farko zuwa nasarar aikin.

Bincika cikakkun takaddun ƙayyadaddun samfura, na'urorin hoto, da ƙarfin masana'antar OEM ta hanyar tuntuɓar ƙungiyar injiniya a KEOU Haske.