Teburin Abubuwan Ciki
- 1. Bayanin Samfurin
- 1.1 Siffofi da Fa'idodi na Asali
- 2. Bincike Mai Zurfi na Sigogi na Fasaha
- 2.1 Iyakar Ƙimar Ƙarfi
- 2.2 Halayen Lantarki da Na Gani a 25°C
- 3. Bayanin Tsarin Rarrabawa
- 3.1 Rarrabawar Ƙarfin Hasken Hasken
- 3.2 Rarrabawar Ƙarfin Wutar Lantarki na Gaba (Kore & Shuɗi kawai)
- 4. Binciken Lanƙwan Aiki
- 4.1 Ƙarfin Lantarki na Gaba da Ƙarfin Wutar Lantarki na Gaba (Lanƙwan I-V)
- 4.2 Ƙarfin Hasken Hasken da Ƙarfin Lantarki na Gaba
- 4.3 Ƙarfin Hasken Hasken da Yanayin Yanayi
- 4.4 Lanƙwan Rage Ƙimar Ƙarfin Lantarki na Gaba
- 4.5 Rarraba Bakan
- 4.6 Jadawalin Radiation (Tsarin Kusurwar Dubawa)
- 5. Bayanin Injiniya da Kunshi
- 5.1 Girman Kunshi
- 5.2 Tsarin Kafet ɗin da aka Shawarta da Gano Polariti
- 6. Jagororin Siyarwa da Haɗawa
- 7. Bayanin Kunshi da Oda
- 8. Shawarwari na Aikace-aikace
- 8.1 Yanayin Aikace-aikace na Yau da Kullun
- 8.2 Abubuwan Ƙira da Bayanan Kula
- Jerin 19-237 sun bambanta kansu ta hanyar haɗakar ƙaramin ƙafar ƙafa (2.0x1.4mm), daidaitaccen kunshin mai faɗin kallo, da samuwar launuka uku na asali daga dangin kunshi guda ɗaya. Idan aka kwatanta da manyan LED ɗin SMD ko LED ɗin huda rami, yana ba da mafi girman ceton sarari. Bayar da cikakkun bayanan rarrabawa don ƙarfin haske da ƙarfin wutar lantarki na gaba (don Kore/Shuɗi) yana ba masu ƙira mafi girman iko akan daidaiton launi da aikin lantarki a cikin samfuransu na ƙarshe, wanda shine babban fa'ida a aikace-aikacen da ke buƙatar kamanni ɗaya ko sarrafa wutar lantarki daidai.
- Q1: Shin zan iya tuka wannan LED a 25mA a ci gaba?
- Yanayi: Ƙirar allon nuna matsayi daban-daban don na'urar likita ta hannu.
- Fitowar haske a cikin waɗannan LED ɗin ya dogara ne akan electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yankin aiki. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Launin hasken yana ƙaddara ta hanyar makamashin bandgap na kayan semiconductor:
- Kasuwancin LED ɗin SMD kamar jerin 19-237 yana ci gaba da kasancewa a ƙarƙashin buƙatar ƙanƙantawa, ingantaccen amfani da makamashi, da babban dogaro a duk sassan lantarki. Trends sun haɗa da:
- Kalmomin Ƙayyadaddun LED
- Aikin Hasken Wutar Lantarki
- Ma'auni na Lantarki
- Gudanar da Zafi & Amincewa
- Tufafi & Kayan Aiki
- Kula da Inganci & Rarraba
- Gwaji & Takaddun Shaida
1. Bayanin Samfurin
Jerin 19-237 ƙaramin LED ne mai launuka daban-daban da aka ƙera don aikace-aikacen lantarki na zamani waɗanda ke buƙatar ƙanƙantawa da dogaro mai ƙarfi. Wannan ɓangaren ya fi ƙanƙanta sosai idan aka kwatanta da LED na tsohuwar nau'in gubar, wanda ke ba da damar rage girman wurin PCB sosai, haɓaka yawan abubuwan da za a iya haɗawa, da rage buƙatun ajiya. Ginin sa mai sauƙi ya sa ya dace musamman don na'urori masu ƙarancin sarari da na hannu.
1.1 Siffofi da Fa'idodi na Asali
Siffofin da suka bayyana wannan dangin samfurin sun haɗa da dacewarsa da kaset ɗin 8mm na ƙa'ida akan reels masu diamita inci 7, wanda ya sa ya dace sosai don layukan haɗawa ta atomatik. An ƙera shi don jurewa hanyoyin siyar da guduro na infrared da na tururi, waɗanda suke daidai a cikin masana'antar lantarki mai yawa. Ana ba da jerin a cikin tsari mai launuka daban-daban (Ja, Kore, Shuɗi) kuma an ƙera shi azaman samfuri mara gubar kuma mai bin ka'idodin RoHS, yana tabbatar da bin ka'idojin muhalli.
Babban fa'idodin sun samo asali ne daga ƙaramin kunshin SMD ɗinsa. Wannan yana kaiwa kai tsaye zuwa ƙananan girman samfurin ƙarshe, mafi girman yawan ɓangarori akan allunan da'ira, da rage girma da nauyin kayan aikin ƙarshe gaba ɗaya. Waɗannan halaye suna da mahimmanci ga aikace-aikace a cikin kayan lantarki na masu amfani, cikin motoci, da na'urorin sadarwa.
2. Bincike Mai Zurfi na Sigogi na Fasaha
Fahimtar cikakkiyar ƙayyadaddun lantarki da na gani yana da mahimmanci don ƙirar da'ira mai dogaro da hasashen aiki.
2.1 Iyakar Ƙimar Ƙarfi
Waɗannan ƙimar suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa ga na'urar. Ba a nufin su don aiki na yau da kullun ba.
- Ƙarfin Wutar Lantarki Mai Koma Baya (VR):5V. Wuce wannan ƙarfin lantarki a cikin karkatar da baya zai iya haifar da rushewar haɗin gwiwa.
- Ci gaba da Ƙarfin Lantarki na Gaba (IF):25 mA ga kowane nau'in launi.
- Kololuwar Ƙarfin Lantarki na Gaba (IFP):Ya bambanta da guntu: 60 mA don Ja (R6), 100 mA don Kore (GH) da Shuɗi (BH). An ƙayyade wannan a cikin zagayowar aiki na 1/10 da mitar 1 kHz.
- Rushewar Wutar Lantarki (Pd):60 mW don Ja (R6), 95 mW don Kore (GH) da Shuɗi (BH). Wannan iyaka yana da mahimmanci don sarrafa zafi.
- Fitowar Wutar Lantarki Mai Tsarki (ESD) Tsarin Jikin Mutum (HBM):2000V don Ja (R6), 150V don Kore (GH) da Shuɗi (BH). Wannan yana nuna cewa guntun Ja yana da ƙarfi sosai akan ESD, yayin da guntun Kore da Shuɗi suna buƙatar matakan kulawa masu tsauri.
- Yanayin Aiki & Ajiya:-40°C zuwa +85°C (aiki), -40°C zuwa +90°C (ajiye).
- Zafin Siyarwa:Siyar da sake kunnawa a 260°C na daƙiƙa 10 mafi yawa; siyar da hannu a 350°C na daƙiƙa 3 mafi yawa.
2.2 Halayen Lantarki da Na Gani a 25°C
Waɗannan su ne ƙayyadaddun sigogi na aiki da aka auna a ƙarƙashin ƙayyadaddun yanayin gwaji (Ta=25°C, IF=5mA).
- Ƙarfin Hasken Hasken (Iv):Ja (R6): 18.0-57.0 mcd; Kore (GH): 28.5-112 mcd; Shuɗi (BH): 11.5-28.5 mcd. Bambancin Kore yana ba da mafi girman fitarwa na yau da kullun.
- Kusurwar Dubawa (2θ1/2):Digiri 120, na yau da kullun. Wannan faɗin kusurwar dubawa ya dace da aikace-aikacen nuna alama da hasken baya.
- Kololuwar Tsawon Tsawon (λp):Ja: 632 nm; Kore: 518 nm; Shuɗi: 468 nm.
- Mafi Girman Tsawon Tsawon (λd):Ja: 613-627 nm; Kore: 520-530 nm; Shuɗi: 465-475 nm. Wannan shine launin da idon mutum ya gani.
- Faɗin Bakan (Δλ):Ja: 20 nm; Kore: 35 nm; Shuɗi: 25 nm. Wannan yana nuna tsaftar bakan hasken da aka fitar.
- Ƙarfin Wutar Lantarki na Gaba (VF):Ja: 1.7-2.2V; Kore & Shuɗi: 2.6-3.0V. Ƙananan VFna LED Ja ya samo asali ne daga kayan semiconductor daban-daban (AlGaInP vs. InGaN).
- Ƙarfin Lantarki Mai Koma Baya (IR):An auna a VR=5V. Ja: 10 μA mafi yawa; Kore: 50 μA mafi yawa; Shuɗi: 50 μA mafi yawa.
Bayanan kula game da Jurewa:Ƙarfin Hasken Hasken yana da jurewar ±11%, Mafi Girman Tsawon Tsawon ±1nm, da Ƙarfin Wutar Lantarki na Gaba ±0.1V. Dole ne a yi la'akari da waɗannan a cikin ƙira.
3. Bayanin Tsarin Rarrabawa
Ana rarraba LED ɗin bisa mahimman sigogi don tabbatar da daidaito a cikin rukunin samarwa. Wannan yana ba masu ƙira damar zaɓar sassa waɗanda suka cika takamaiman buƙatun haske da na lantarki.
3.1 Rarrabawar Ƙarfin Hasken Hasken
Kowane launi yana da takamaiman lambobin kwandon da ke ayyana kewayon ƙarfin haske a IF=5mA.
- Ja (R6):Kwandon M (18.0-28.5 mcd), N (28.5-45.0 mcd), P (45.0-57.0 mcd).
- Kore (GH):Kwandon N (28.5-45.0 mcd), P (45.0-72.0 mcd), Q (72.0-112 mcd).
- Shuɗi (BH):Kwandon L (11.5-18.0 mcd), M (18.0-28.5 mcd).
3.2 Rarrabawar Ƙarfin Wutar Lantarki na Gaba (Kore & Shuɗi kawai)
Ga LED ɗin Kore (GH) da Shuɗi (BH), ana yin ƙarin rarrabawa akan ƙarfin wutar lantarki na gaba.
- Kwandon 1: VF= 2.6 - 2.8V
- Kwandon 2: VF= 2.8 - 3.0V
Wannan rarrabawar ƙarfin wutar lantarki yana da mahimmanci ga aikace-aikace inda daidaitaccen cirewar wutar lantarki ko rayuwar baturi ke damun jama'a, musamman lokacin da aka haɗa LED da yawa a layi daya.
4. Binciken Lanƙwan Aiki
Takardun bayanan suna ba da lanƙwan halaye ga kowane nau'in LED (R6, GH, BH), suna kwatanta aiki a ƙarƙashin yanayi daban-daban.
4.1 Ƙarfin Lantarki na Gaba da Ƙarfin Wutar Lantarki na Gaba (Lanƙwan I-V)
Lanƙwan suna nuna alaƙar ma'auni tsakanin ƙarfin lantarki da ƙarfin wutar lantarki. LED Ja (R6) yana da ƙaramin ƙarfin wutar lantarki na gwiwa (~1.8V) idan aka kwatanta da LED ɗin Kore da Shuɗi (~3.0V), daidai da bambancin kayan su. Wannan lanƙwan yana da mahimmanci don ƙirar da'irar iyakance ƙarfin lantarki.
4.2 Ƙarfin Hasken Hasken da Ƙarfin Lantarki na Gaba
Wannan jadawalin yana nuna cewa fitarwar haske yana ƙaruwa kusan a layi daya tare da ƙarfin lantarki a cikin kewayon aiki na yau da kullun (har zuwa ~20mA). Duk da haka, yin aiki sama da ƙarfin lantarki na ci gaba da shawarar zai rage inganci da tsawon rayuwa saboda ƙarin zafi.
4.3 Ƙarfin Hasken Hasken da Yanayin Yanayi
Duk LED ɗin suna nuna raguwar fitarwar haske yayin da yanayin yanayi ya tashi. Rage ƙimar yana da mahimmanci, tare da yuwuwar faɗuwar fitarwa sama da 50% yayin da zafin jiki ya kusanci iyakar aiki mafi girma (+85°C). Ana buƙatar ƙirar zafi mai dacewa akan PCB don kiyaye haske mai daidaito.
4.4 Lanƙwan Rage Ƙimar Ƙarfin Lantarki na Gaba
Wannan lanƙwan mai mahimmanci yana ba da umarnin mafi girman ƙarfin lantarki na gaba na ci gaba da aka yarda a matsayin aikin yanayin yanayi. Don tabbatar da dogaro, dole ne a rage ƙarfin lantarki na aiki yayin da yanayin yanayi ya ƙaru sama da 25°C.
4.5 Rarraba Bakan
Jadawalin suna nuna ƙarfin hasken da aka fitar a duk faɗin tsayin raƙuman ruwa. Suna tabbatar da kololuwar tsayin raƙuman ruwa da mafi girma kuma suna nuna faɗin bakan, wanda ke shafar tsaftar launi.
4.6 Jadawalin Radiation (Tsarin Kusurwar Dubawa)
Taswirorin polar suna kwatanta rarraba sararin samaniya na ƙarfin haske, suna tabbatar da kusurwar dubawa na digiri 120. Tsarin yana kusan lambertian, ma'ana ƙarfin yana da mafi girma lokacin da aka duba kai tsaye kuma yana raguwa a faɗin kusurwoyi.
5. Bayanin Injiniya da Kunshi
5.1 Girman Kunshi
LED ɗin yana cikin ƙaramin kunshin da'irar da ke da mahimman girma masu zuwa (a cikin mm): Tsawon: 2.0 ±0.2, Faɗi: 1.4 ±0.2, Tsayi: 0.9. Ana gano cathode ta hanyar alama akan kunshin. Zanen girma ya haɗa da mahimman siffofi kamar siffar ruwan tabarau da matsayin jagora.
5.2 Tsarin Kafet ɗin da aka Shawarta da Gano Polariti
An ba da tsarin ƙasa na PCB da aka shawarta (tsarin kafet) don tunani: Faɗin kafet: 0.8mm, Tsawon kafet: 1.35mm, Tazarar tsakanin kafet: 0.35mm. An shawarci masu ƙira su gyara wannan bisa takamaiman tsarin haɗawa da buƙatun zafi. Bayyanannen gano kafet ɗin anode da cathode yana da mahimmanci don hana shigar da karkatar da baya.
6. Jagororin Siyarwa da Haɗawa
Bin ƙayyadaddun siyarwa yana da mahimmanci don dogon lokacin dogaro da kuma hana lalata ruwan tabarau na LED epoxy ko guntu na semiconductor.
- Siyar da Sake Kunnawa:Matsakaicin zafin jiki na 260°C na tsawon lokacin da bai wuce daƙiƙa 10 ba. Matsakaicin sake kunnawa mara gubar na ƙa'ida ya dace.
- Siyar da Hannu:Idan ya cancanta, zafin ƙarshen ƙarfe bai kamata ya wuce 350°C ba, kuma lokacin tuntuɓar ya kamata a iyakance zuwa daƙiƙa 3 kowace jagora. Yi amfani da mai hura iska idan zai yiwu.
- Ajiya:Ana tattara ɓangarorin a cikin jakunkuna masu jurewa danshi. Da zarar an buɗe su, ya kamata a yi amfani da su a cikin takamaiman lokacin lokaci ko a gasa bisa ka'idodin IPC idan an fallasa su ga danshin yanayi, don hana "popcorning" yayin sake kunnawa.
7. Bayanin Kunshi da Oda
Ana ba da samfurin akan kaset ɗin mai ɗaukar kaya mai faɗin 8mm da aka nannade akan reels masu diamita inci 7, wanda ya dace da kayan haɗawa ta atomatik. Reel ɗin yana da daidaitattun girma: Diamita na Waje na Reel: 180.0mm, Faɗin Reel: 12.4mm, Diamita Ramin Hub: 44.0mm.
Lambar da ke kan reel ɗin ta ƙunshi mahimman bayanai don gano asali da ganewa, gami da filayen Lambar Samfur, Yawa, Matsayi na Ƙarfin Hasken Hasken (CAT), Matsayi na Launi/Tsawon Tsawon (HUE), Matsayi na Ƙarfin Wutar Lantarki na Gaba (REF), da Lambar Lot. Takamaiman lambar sashi 19-237/R6GHBHC-A04/2T yana bin tsarin lamba wanda ke nuna jerin, haɗin launi (R6=Ja, GH=Kore, BH=Shuɗi), da yuwuwar lambobin kwandon ko lambobin bambance-bambance.
8. Shawarwari na Aikace-aikace
8.1 Yanayin Aikace-aikace na Yau da Kullun
- Hasken Baya:Mai kyau don hasken baya na maɓalli, alamomi, da ƙananan allunan LCD a cikin dashboard ɗin mota, sarrafa masana'antu, da kayan masarufi na masu amfani.
- Masu Nuna Matsayi:Cikakke don wutar lantarki, haɗin kai, da masu nuna matsayin aiki a cikin kayan aikin sadarwa (wayoyi, faks, hanyoyin sadarwa), na'urorin kwamfuta, da na'urorin likita.
- Hasken Gabaɗaya:Ya dace da kowane aikace-aikace da ke buƙatar ƙaramin tushen haske mai launi mai dogaro, mai ƙarancin wutar lantarki.
8.2 Abubuwan Ƙira da Bayanan Kula
- Iyakance Ƙarfin Lantarki:Koyaushe yi amfani da resistor mai iyakance ƙarfin lantarki a jere ko direba mai ƙarfin lantarki na yau da kullun. Lissafa ƙimar resistor bisa ƙarfin wutar lantarki, ƙarfin wutar lantarki na gaba na LED (yi amfani da V mafi girma don ƙira mai aminci), da ƙarfin lantarki na gaba da ake so (misali, 5-20mA).FSarrafa Zafi:
- Ko da yake ƙarancin wutar lantarki, dole ne a yi la'akari da zubar da zafi, musamman a manyan ƙarfin lantarki ko a cikin yanayin zafi mai girma. Tabbatar da isasshen yanki na tagulla akan PCB da aka haɗa zuwa kafet ɗin zafi na LED (idan akwai) ko jagororin.Kariya daga ESD:
- Aiwatar da matakan kariya daga ESD akan layukan shigarwar PCB da aiwatar da ingantattun hanyoyin kulawa yayin haɗawa, musamman ga bambance-bambancen Kore da Shuɗi waɗanda ke da ƙananan ƙimar ESD.Ƙirar Gani:
- Faɗin kusurwar dubawa na digiri 120 yana ba da kyakkyawar ganin kashe axis. Don haske mai mai da hankali, ana iya buƙatar ruwan tabarau na waje ko jagororin haske.9. Kwatancen Fasaha da Bambance-bambance
Jerin 19-237 sun bambanta kansu ta hanyar haɗakar ƙaramin ƙafar ƙafa (2.0x1.4mm), daidaitaccen kunshin mai faɗin kallo, da samuwar launuka uku na asali daga dangin kunshi guda ɗaya. Idan aka kwatanta da manyan LED ɗin SMD ko LED ɗin huda rami, yana ba da mafi girman ceton sarari. Bayar da cikakkun bayanan rarrabawa don ƙarfin haske da ƙarfin wutar lantarki na gaba (don Kore/Shuɗi) yana ba masu ƙira mafi girman iko akan daidaiton launi da aikin lantarki a cikin samfuransu na ƙarshe, wanda shine babban fa'ida a aikace-aikacen da ke buƙatar kamanni ɗaya ko sarrafa wutar lantarki daidai.
10. Tambayoyin da ake yawan yi (Bisa Sigogi na Fasaha)
Q1: Shin zan iya tuka wannan LED a 25mA a ci gaba?
A1: Yayin da Iyakar Ƙimar Ƙarfi ita ce 25mA, ci gaba da aiki a wannan ƙarfin lantarki zai haifar da zafi mafi girma kuma yana iya rage tsawon rayuwa. Don mafi kyawun dogaro da inganci, ƙira don ƙarfin lantarki na aiki na yau da kullun na 5-20mA, kamar yadda aka yi amfani da shi a cikin teburin ƙayyadaddun bayanai, kuma koma ga lanƙwan rage ƙimar ƙarfin lantarki na gaba don ɗaukaka yanayin zafi.
Q2: Me yasa ƙimar ESD ta LED Ja ta bambanta da ta Kore da Shuɗi?
A2: Kayan semiconductor daban-daban (AlGaInP don Ja, InGaN don Kore/Shuɗi) suna da bambance-bambance na asali a cikin hankalinsu ga fitar da wutar lantarki mai tsarki. Guntun da ke tushen InGaN gabaɗaya suna da sauƙin kamuwa, suna buƙatar kulawa mai tsauri (150V HBM vs. 2000V HBM).
Q3: Ta yaya zan fassara lambobin kwandon lokacin yin oda?
A3: Ƙayyade kwandon ƙarfin haske da ake so (misali, "GH a cikin Kwandon Q" don mafi haske Kore) kuma, don Kore/Shuɗi, kwandon ƙarfin wutar lantarki na gaba (misali, "BH a cikin Kwandon M, V
Kwandon 1"). Wannan yana tabbatar da cewa kun karɓi LED ɗin tare da aiki a cikin ƙayyadaddun ƙananan kewayon.FQ4: Menene bambanci tsakanin Kololuwar Tsawon Tsawon da Mafi Girman Tsawon Tsawon?
A4: Kololuwar Tsawon Tsawon (λ
) shine tsayin raƙuman ruwa inda ƙarfin gani mafi girma ya kasance. Mafi Girman Tsawon Tsawon (λp) shine tsayin raƙuman ruwa guda ɗaya na haske mai launi ɗaya wanda ya dace da launin da LED ɗin ya gani. λdya fi dacewa don ƙayyadaddun launi.d11. Nazarin Shari'ar Ƙira da Amfani
Yanayi: Ƙirar allon nuna matsayi daban-daban don na'urar likita ta hannu.
Allon yana buƙatar masu nuna alama na Ja (Kuskure), Kore (Shirye), da Shuɗi (Aiki). An zaɓi jerin 19-237 saboda ƙananan girmansa, yana ba da damar LED uku su dace a cikin ƙaramin sarari. Mai ƙira ya zaɓi:
- R6 a cikin Kwandon N don ja mai matsakaicin haske mai daidaito.
- GH a cikin Kwandon P, V
Kwandon 1 don kore mai haske tare da ƙarancin ƙarfin wutar lantarki don dacewa da ƙuntatawa na wutar lantarki.F- BH a cikin Kwandon M, V
Kwandon 1 don shuɗi.FAna amfani da layin wutar lantarki guda ɗaya na 3.3V. An ƙididdige masu iyakance ƙarfin lantarki daban-daban don kowane launi: ƙaramin resistor don LED Ja (ƙananan V
) da manya, daidaitattun resistors don LED ɗin Kore da Shuɗi (kama VF). Tsarin shimfidar PCB ya haɗa da ƙaramin kafet ɗin taimakon zafi da aka haɗa zuwa kowane jagoran cathode don taimakawa wajen zubar da zafi. An sanya diodes na kariya daga ESD akan layukan siginar da ke kaiwa ga direbobin LED.F12. Gabatarwar Ka'idar Fasaha
Fitowar haske a cikin waɗannan LED ɗin ya dogara ne akan electroluminescence a cikin kayan semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yankin aiki. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Launin hasken yana ƙaddara ta hanyar makamashin bandgap na kayan semiconductor:
Ja (R6):
- Yana amfani da haɗin guntun semiconductor na AlGaInP (Aluminum Gallium Indium Phosphide), wanda ke da bandgap daidai da hasken ja/lemu.Kore & Shuɗi (GH, BH):
- Yi amfani da InGaN (Indium Gallium Nitride) tare da ma'auni daban-daban na indium/gallium don daidaita bandgap don hasken kore da shuɗi, bi da bi. Cimma ingantaccen fitarwa na shuɗi da kore tare da InGaN ya kasance babban ci gaban fasaha.13. Trends da Ci gaban Masana'antu
Kasuwancin LED ɗin SMD kamar jerin 19-237 yana ci gaba da kasancewa a ƙarƙashin buƙatar ƙanƙantawa, ingantaccen amfani da makamashi, da babban dogaro a duk sassan lantarki. Trends sun haɗa da:
Ƙara Ingantaccen Aiki:
- Ci gaban kimiyyar kayan aiki da haɓakar epitaxial yana haifar da mafi girman ingancin haske (ƙarin fitarwar haske a kowace watt na lantarki).Ingantacciyar Daidaiton Launi:
- Ƙuntataccen jurewa na kwandon da ingantattun sarrafa masana'antu suna tabbatar da mafi kyawun daidaiton launi a cikin da kuma tsakanin rukunin samarwa.Ƙarfafa Dogaro:
- Haɓaka a cikin kayan kunshi (epoxy, silicone) da fasahohin haɗa guntu suna haifar da tsawon rayuwar aiki da mafi kyawun aiki a ƙarƙashin babban zafi da danshi.Haɗawa:
- Yanayin zuwa haɗa guntu LED da yawa (RGB, RGBW) cikin kunshi guda ɗaya don aikace-aikacen cikakken launi, ko da yake ɓangarori daban-daban kamar 19-237 sun kasance masu mahimmanci don mafita masu tsada na launi ɗaya.A trend towards integrating multiple LED chips (RGB, RGBW) into a single package for full-color applications, though discrete components like the 19-237 remain essential for cost-effective single-color solutions.
Kalmomin Ƙayyadaddun LED
Cikakken bayanin kalmomin fasaha na LED
Aikin Hasken Wutar Lantarki
| Kalma | Naúrar/Wakilci | Bayanin Sauri | Me yasa yake da muhimmanci |
|---|---|---|---|
| Ingancin Hasken Wuta | lm/W (lumen kowace watt) | Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari. | Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki. |
| Gudun Hasken Wuta | lm (lumen) | Jimillar hasken da tushe ke fitarwa, ana kiransa "haske". | Yana ƙayyade ko hasken yana da haske sosai. |
| Kusurwar Dubawa | ° (digiri), misali 120° | Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske. | Yana shafar kewar haskakawa da daidaito. |
| Zafin Launi (CCT) | K (Kelvin), misali 2700K/6500K | Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi. | Yana ƙayyade yanayin haskakawa da yanayin da suka dace. |
| CI / Ra | Ba naúrar, 0–100 | Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau. | Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi. |
| SDCM | Matakan ellipse MacAdam, misali "5-mataki" | Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi. | Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya. |
| Matsakaicin Tsawon Raɗaɗin Hasken | nm (nanomita), misali 620nm (ja) | Tsawon raɗaɗin haske daidai da launin LED masu launi. | Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya. |
| Rarraba Bakan Hasken | Layin tsawon raɗaɗi da ƙarfi | Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske. | Yana shafar ba da launi da ingancin launi. |
Ma'auni na Lantarki
| Kalma | Alamar | Bayanin Sauri | Abubuwan ƙira |
|---|---|---|---|
| Ƙarfin lantarki na gaba | Vf | Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa". | Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere. |
| Ƙarfin lantarki na gaba | If | Ƙimar ƙarfin lantarki don aikin LED na yau da kullun. | Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai. |
| Matsakaicin Ƙarfin lantarki na bugun jini | Ifp | Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya. | Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa. |
| Ƙarfin lantarki na baya | Vr | Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa. | Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki. |
| Juriya na zafi | Rth (°C/W) | Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau. | Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi. |
| Rigakafin ESD | V (HBM), misali 1000V | Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni. | Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali. |
Gudanar da Zafi & Amincewa
| Kalma | Ma'aunin maɓalli | Bayanin Sauri | Tasiri |
|---|---|---|---|
| Zazzabin Haɗin gwiwa | Tj (°C) | Ainihin yanayin aiki a cikin guntun LED. | Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi. |
| Ragewar Lumen | L70 / L80 (sa'o'i) | Lokacin da haske ya ragu zuwa 70% ko 80% na farko. | Kai tsaye yana ayyana "tsawon sabis" na LED. |
| Kula da Lumen | % (misali 70%) | Kashi na hasken da aka riƙe bayan lokaci. | Yana nuna riƙon haske akan amfani na dogon lokaci. |
| Canjin Launi | Δu′v′ ko ellipse MacAdam | Matsakaicin canjin launi yayin amfani. | Yana shafar daidaiton launi a cikin yanayin haskakawa. |
| Tsufa na Zafi | Lalacewar kayan aiki | Lalacewa saboda yanayin zafi na dogon lokaci. | Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye. |
Tufafi & Kayan Aiki
| Kalma | Nau'ikan gama gari | Bayanin Sauri | Siffofi & Aikace-aikace |
|---|---|---|---|
| Nau'in Kunshin | EMC, PPA, Yumbu | Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi. | EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai. |
| Tsarin Guntu | Gaba, Guntu Juyawa | Tsarin na'urorin lantarki na guntu. | Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi. |
| Rufin Phosphor | YAG, Silicate, Nitride | Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari. | Phosphor daban-daban suna shafar inganci, CCT, da CRI. |
| Ruwan tabarau/Optics | Lefi, Microlens, TIR | Tsarin gani a saman yana sarrafa rarraba haske. | Yana ƙayyade kusurwar dubawa da layin rarraba haske. |
Kula da Inganci & Rarraba
| Kalma | Abun rarraba | Bayanin Sauri | Manufa |
|---|---|---|---|
| Kwalin Gudun Hasken | Lambar misali 2G, 2H | An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen. | Yana tabbatar da daidaiton haske a cikin jeri ɗaya. |
| Kwalin Ƙarfin lantarki | Lambar misali 6W, 6X | An tattara su ta hanyar kewayon ƙarfin lantarki na gaba. | Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin. |
| Kwalin Launi | Ellipse MacAdam 5-mataki | An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon. | Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin. |
| Kwalin CCT | 2700K, 3000K da sauransu | An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa. | Yana cika buƙatun CCT na yanayi daban-daban. |
Gwaji & Takaddun Shaida
| Kalma | Matsakaicin/Gwaji | Bayanin Sauri | Muhimmanci |
|---|---|---|---|
| LM-80 | Gwajin kula da lumen | Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske. | Ana amfani dashi don kimanta rayuwar LED (tare da TM-21). |
| TM-21 | Matsakaicin kimanta rayuwa | Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80. | Yana ba da hasashen kimiyya na rayuwa. |
| IESNA | Ƙungiyar Injiniyoyin Haskakawa | Yana rufe hanyoyin gwajin gani, lantarki, zafi. | Tushen gwaji da masana'antu suka amince. |
| RoHS / REACH | Tabbatarwar muhalli | Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury). | Bukatar shiga kasuwa a duniya. |
| ENERGY STAR / DLC | Tabbatarwar ingancin kuzari | Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa. | Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa. |