LTST-S326TGKSKT-5A LED Mai Launuka Biyu (Kore/Rawa) - Takardun Bayanan Fasaha - Hausa

1. Bayyani Game da Samfurin

Wannan takarda ta yi cikakken bayani game da ƙayyadaddun fasaha na LED mai launuka biyu, wanda ake kallonsa daga gefe (SMD). An ƙera wannan ɓangaren musamman don aikace-aikacen da ke buƙatar tushen haske mai ƙanƙanta, mai kusurwar dama, tare da kasuwarsa ta farko ita ce ƙirar hasken baya na LCD. Babban fa'idodinsa sun haɗa da bin ka'idojin muhalli, fitowar haske mai ƙarfi daga kayan semiconductor na ci gaba, da dacewa da tsarin haɗawa da haɗa ƙarfe na atomatik na zamani.

2. Zurfin Bincike na Ma'auni na Fasaha

2.1 Matsakaicin Matsayin Ma'auni

An ayyana iyakokin aikin na'urar a yanayin zafin muhalli (Ta) na 25°C. Ga LED kore (guntu InGaN), matsakaicin ƙarfin lantarki na gaba na ci gaba shine 20 mA, tare da matsakaicin ƙarfin lantarki na gaba na 100 mA da aka yarda a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun 0.1ms). Ƙarfinsa na watsa wutar lantarki an ƙididdige shi a 76 mW. LED rawa (guntu AlInGaP) yana da mafi girman ƙimar ƙarfin lantarki na gaba na ci gaba na 30 mA, matsakaicin 80 mA, da watsa wutar lantarki na 75 mW. Duka launuka suna raba matsakaicin ƙarfin lantarki na baya na 5V. Kewayon yanayin aiki daga -20°C zuwa +80°C, tare da faɗin ajiyar daga -30°C zuwa +100°C. Na'urar na iya jure haɗa ƙarfe ta hanyar infrared a 260°C na tsawon dakika 5.

2.2 Halaye na Lantarki da na Gani

An auna a Ta=25°C da gwajin ƙarfin lantarki (IF) na 5 mA, mahimman ma'auni na aiki kamar haka. Ƙarfin haske (Iv) na LED kore yana da mafi ƙanƙanta na 28.0 mcd, ba a bayyana na yau da kullun ba, kuma matsakaicin 280.0 mcd. Kewayon ƙarfin haske na LED rawa daga mafi ƙanƙanta na 7.1 mcd zuwa matsakaicin 71.0 mcd. Duka LED ɗin suna da faɗin kusurwar kallo (2θ1/2) na digiri 130, na yau da kullun. Matsakaicin tsayin tsayin watsawa (λP) na LED kore shine 530 nm, tare da matsakaicin tsayin tsayin da ya fi girma (λd) na 528 nm da rabin faɗin bakan (Δλ) na 35 nm. Ƙimar daidai ta LED rawa ita ce 591 nm, 588 nm, da 15 nm, bi da bi. Ƙarfin lantarki na gaba (VF) yawanci 2.80V (matsakaicin 3.20V) na kore da 1.90V (matsakaicin 2.30V) na rawa a 5 mA. Ƙarfin lantarki na baya (IR) na duka biyun shine matsakaicin 10 μA a VR=5V.

2.3 Halaye na Zafi

An ƙayyade ma'aunin rage ƙimar ƙarfin lantarki na gaba daga 25°C. Ga LED kore, rage ƙimar shine 0.25 mA/°C, ma'ana ƙarfin lantarki na gaba na DC da aka yarda yana raguwa da 0.25 mA ga kowane digiri Celsius sama da 25°C. Ga LED rawa, ma'aunin rage ƙimar shine 0.4 mA/°C. Wannan ma'auni ne mai mahimmanci don tabbatar da dogon lokacin aminci da hana zafi mai yawa a cikin aikace-aikace.

3. Bayanin Tsarin Rarrabawa

Ana rarraba samfurin zuwa rukunoni bisa ga ƙarfin haske don tabbatar da daidaito a cikin hasken aikace-aikace. Ga LED kore, lambobin rukunin suna daga N zuwa S, tare da mafi ƙarancin ƙarfin haske daga 28.0 mcd (N) har zuwa 180.0 mcd (S) da matsakaicin daga 45.0 mcd (N) har zuwa 280.0 mcd (S). LED rawa yana amfani da lambobin rukunin K har zuwa P, tare da mafi ƙanƙanta daga 7.1 mcd (K) zuwa 45.0 mcd (P) da matsakaicin daga 11.2 mcd (K) zuwa 71.0 mcd (P). Ana amfani da juzu'i na +/-15% ga kowane rukunin ƙarfin haske. Wannan tsarin yana ba masu zane damar zaɓar LED masu matakan haske da ake iya tsinkaya don bukatunsu na musamman.

4. Bincike kan Lankwasa Ayyuka

Ko da yake ba a yi cikakken bayani game da takamaiman lankwasan ayyuka a cikin rubutun da aka bayar ba, ma'aunin da aka bayar yana ba da damar fahimtar mahimman hanyoyin aiki. Ƙimar ƙarfin lantarki na gaba (VF) tana nuna siffar lankwasa IV ga kowane launi. Bambanci a cikin VF (2.80V na kore da 1.90V na rawa a 5mA) yana da mahimmanci ga ƙirar da'ira, musamman lokacin tuƙi duka launuka daga tushen ƙarfin lantarki guda ɗaya. Bayanan rabin faɗin bakan (35nm na kore, 15nm na rawa) yana nuna cewa LED rawa yana da ƙarancin bakan watsawa, fiye da faɗin watsawar kore. Abubuwan rage ƙimar suna bayyana kai tsaye dogaron zafi mara kyau na matsakaicin ƙarfin lantarki na gaba da aka yarda.

5. Bayanin Injiniya da Marufi

Na'urar ta yi daidai da daidaitaccen tsarin fakitin EIA. Fakitin ne mai kallon gefe (kusurwar dama), ma'ana babban fitowar haske yana layi daya da filin hawa, wanda ya dace da aikace-aikacen hasken gefe kamar hasken baya na LCD. An ƙayyade kayan ruwan tabarau a matsayin bayyananne. An ayyana aikin fil a sarari: Cathode 1 (C1) na guntu AlInGaP rawa ne, kuma Cathode 2 (C2) na guntu InGaN kore ne. Ana ba da ɓangaren da aka haɗa a cikin tef na 8mm akan reels masu diamita 7-inch, masu dacewa da kayan aikin zaɓi da sanyawa ta atomatik. Cikakkun zane-zane masu girma don fakitin da tsarin fil ɗin haɗa ƙarfe da aka ba da shawarar an haɗa su a cikin cikakken takardar bayanai don jagorantar ƙirar PCB.

6. Jagoran Haɗa Ƙarfe da Haɗawa

6.1 Bayanan Siffofin Haɗa Ƙarfe ta Hanyar Koma Baya

An ba da shawarar siffofi biyu na haɗa ƙarfe ta hanyar infrared (IR): ɗaya don tsarin haɗa ƙarfe na yau da kullun (tin-lead) da ɗaya don tsarin haɗa ƙarfe mara Pb. Mahimman ma'auni don tsarin mara Pb, wanda ke amfani da manna haɗa ƙarfe na SnAgCu, sun haɗa da matakin shirya zafi da yanayin zafi mafi girma. An tabbatar da cewa na'urar ta dace da duka hanyoyin haɗa ƙarfe ta infrared da na lokacin tururi.

6.2 Tsaftacewa

Dole ne a yi tsaftacewa da kulawa. Kada a yi amfani da ruwayen sinadarai da ba a bayyana ba saboda suna iya lalata fakitin LED. Idan tsaftacewa ya zama dole, ana ba da shawarar nutsar da LED a cikin barasa na ethyl ko isopropyl a yanayin zafi na yau da kullun na ƙasa da minti ɗaya.

6.3 Yanayin Ajiya

Don mafi kyawun rayuwar shiryayye da iya haɗa ƙarfe, LED ɗin da aka cire daga ainihin fakitinsu na kariya daga danshi, yakamata su yi haɗa ƙarfe ta hanyar IR koma baya cikin mako guda. Don ajiyar dogon lokaci a waje da ainihin fakitin, yakamata a ajiye su a cikin akwati mai rufi tare da busassun abu ko a cikin yanayin nitrogen. Idan an ajiye su ba tare da fakitin ba fiye da mako guda, ana ba da shawarar gasa a kusan 60°C na aƙalla sa'o'i 24 kafin haɗawa don cire danshin da aka ɗauka da hana "fasar wake" yayin koma baya.

7. Bayanin Marufi da Oda

Daidaitaccen marufi shine guda 3000 a kowace reel 7-inch. Ƙayyadaddun tef da reel suna bin ANSI/EIA 481-1-A-1994. An rufe fanko ɗin ɓangaren da ba kowa a kan tef ɗin mai ɗaukar kaya tare da tef ɗin saman. Akwai matsakaicin izinin ɓangarori biyu masu zuwa a cikin tef ɗin. Don adadin oda waɗanda ba su da yawa na cikakken reel, an ƙayyade mafi ƙarancin adadin shiryawa na guda 500 don adadin saura. Lambar ɓangaren LTST-S326TGKSKT-5A tana bin tsarin lambar ciki na masana'anta, wanda yawanci yana ɓoye nau'in fakitin, launi, da bayanan rukunin.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikacen da aka bayyana a sarari na wannan LED mai kallon gefe shine hasken baya na panel ɗin LCD, inda fitowar hasken kusurwar dama ke haɗa haske cikin jagorar haske na panel. Ƙarfinsa na launuka biyu (kore/rawa) ana iya amfani da shi don alamomin matsayi, tasirin hasken baya mai launuka da yawa, ko a cikin aikace-aikacen da ke buƙatar takamaiman maki launi waɗanda za a iya samu ta hanyar haɗa waɗannan launuka biyu na farko.

8.2 Abubuwan da Ya Kamata a Yi la'akari da su a Zane

Hanyar Tuƙi:LED ɗin na'urori ne masu aiki da ƙarfin lantarki. Don tabbatar da daidaiton haske lokacin tuƙi LED da yawa a layi daya, ana ƙarfafa ba da shawarar yin amfani da resistor mai iyakance ƙarfin lantarki a jere tare da kowane LED (Samfurin Da'ira A). Tuƙi LED da yawa a layi daya kai tsaye daga tushen ƙarfin lantarki ba tare da resistors ɗin kowane ɗayan ba (Samfurin Da'ira B) ba a ba da shawarar ba, saboda ƙananan bambance-bambance a cikin halayen ƙarfin lantarki na gaba (VF) tsakanin LED na iya haifar da bambance-bambance masu mahimmanci a cikin ƙarfin lantarki, saboda haka, haske.

Fitowar Tashin Lantarki (ESD):LED yana da hankali ga fitowar tashin lantarki. Dole ne a ɗauki matakan kariya yayin sarrafawa da haɗawa: yi amfani da igiyoyin wuyan hannu masu tushe ko safofin hannu masu hana tashin lantarki, tabbatar da cewa duk kayan aiki da saman aiki suna da tushe da kyau, kuma yi la'akari da yin amfani da masu ion don kawar da cajin tsaye a cikin yanayin aiki.

9. Kwatancen Fasaha da Bambance-bambance

Wannan na'urar ta bambanta kanta ta hanyar haɗuwa da fasalulluka: guntu mai launuka biyu a cikin fakitin kallon gefe guda ɗaya. Wannan yana adana sararin PCB idan aka kwatanta da amfani da LED guda biyu daban. Amfani da guntu InGaN Mai Ƙarfi (na kore) da AlInGaP (na rawa) yana nuna mayar da hankali kan inganci da fitowar haske mai ƙarfi. Dacewarsa da sanyawa ta atomatik da hanyoyin haɗa ƙarfe na yau da kullun (ciki har da mara Pb) ya sa ya dace da samar da lantarki na zamani mai yawa. Faɗin kusurwar kallo na digiri 130 an inganta shi don aikace-aikacen hasken baya inda ake buƙatar haske ko da yaushe.

10. Tambayoyin da ake yawan yi (Bisa Ma'auni na Fasaha)

Q: Shin zan iya tuƙi LED kore da rawa lokaci guda a matsakaicin ƙarfin lantarki na DC?

A: A'a. Matsakaicin Matsayin Ma'auni na kowane guntu ne da kansa. Tuƙi duka a 20mA (kore) da 30mA (rawa) lokaci guda zai wuce iyakokin ƙirar zafi na fakitin gabaɗaya. Dole ne a yi la'akari da jimillar watsa wutar lantarki bisa ainihin ƙarfin lantarki na gaba da ƙarfin lantarki da aka yi amfani da su.

Q: Me yasa ƙarfin lantarki na gaba ya bambanta ga launuka biyu?

A: Ƙarfin lantarki na gaba dukiya ce ta asali na bandgap na kayan semiconductor. InGaN (kore) yana da babban bandgap fiye da AlInGaP (rawa), yana haifar da mafi girman ƙarfin lantarki na gaba da ake buƙata don cimma ƙarfin lantarki iri ɗaya.

Q: Ta yaya zan fassara lambobin rukunin ƙarfin haske?

A: Zaɓi lambar rukunin da ke tabbatar da mafi ƙarancin hasken da ake buƙata. Misali, idan ƙirar ku tana buƙatar aƙalla 100 mcd daga LED kore, dole ne ku ƙayyade rukunin R (112.0-180.0 mcd) ko mafi girma. Ba a tabbatar da ƙimar yau da kullun ba, kawai kewayon min/max don zaɓaɓɓen rukunin.

Q: Shin ake buƙatar sink na zafi?

A: Don aiki a ko kusa da matsakaicin ƙarfin lantarki da aka ƙayyade, musamman a manyan yanayin zafi na muhalli, kulawar zafi na PCB yana da mahimmanci. Dole ne a bi lankwasa rage ƙimar. Don aikin ƙaramin ƙarfin lantarki (misali, 5-10 mA), daidaitaccen tsarin PCB yawanci ya isa.

11. Misalin Ƙira da Amfani na Aiki

Yanayi: Zana alamar matsayi biyu don na'urar da ake ɗauka.Ana iya amfani da LTST-S326TGKSKT-5A don nuna matsayin caji: rawa don caji, kore don cikakken caji. Mai zane zai sanya LED a gefen PCB, tare da gefen fitowarsa yana fuskantar jagorar haske ko taga a cikin ginin. Za a ƙirƙira da'irori biyu masu zaman kansu masu iyakance ƙarfin lantarki—ɗaya don anode rawa (tare da resistor da aka ƙididdige don Vsupply, VF_yellow~1.9V, da I_F da ake so), da ɗaya don anode kore (wanda aka ƙididdige don VF_green~2.8V). Za a haɗa cathode gama gari zuwa ƙasa. Faɗin kusurwar kallo yana tabbatar da cewa ana iya ganin alamar daga kusurwoyi daban-daban. Dole ne mai zane ya tabbatar cewa tsarin fil ɗin PCB ya yi daidai da tsarin da aka ba da shawarar don samun haɗin haɗa ƙarfe mai aminci da daidaitawar da ta dace.

12. Gabatarwar Ka'idar Fasaha

Diodes masu fitar da haske (LED) na'urori ne na semiconductor p-n junction waɗanda ke fitar da haske ta hanyar electroluminescence. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons. Launin hasken da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor. Wannan na'urar ta haɗa guntu semiconductor daban-daban guda biyu a cikin fakitin ɗaya: guntu Indium Gallium Nitride (InGaN) don fitar da kore da guntu Aluminum Indium Gallium Phosphide (AlInGaP) don fitar da rawa. An cimma fakitin kallon gefe ta hanyar takamaiman ƙirar injiniya wanda ke daidaita babban filin fitar da haske na guntu daidai da jagororin fakitin, yana jagorantar haske daga gefen ɓangaren.

13. Trends na Masana'antu da Mahallin

Ci gaban wannan ɓangaren ya yi daidai da wasu mahimman trends a cikin masana'antar optoelectronics. Ƙaura zuwa bin ka'idojin RoHS da samfuran kore yana nuna ka'idojin muhalli na duniya. Amfani da kayan aiki masu inganci kamar InGaN da AlInGaP ana motsa su ta ci gaba da buƙatar mafi girman haske da ƙarancin amfani da wutar lantarki a cikin na'urori masu ɗaukar hoto da na nuni. Sabbin abubuwan marufi, kamar siffofin kallon gefe, suna da mahimmanci don ba da damar samar da ƙarshen samfuran da suka fi sirara da ƙanƙanta, musamman a cikin kayan lantarki na masu amfani kamar wayoyin hannu, kwamfutocin hannu, da kwamfutocin hannu. Bugu da ƙari, dacewa da cikakken atomatik, layukan haɗawa na SMT masu sauri shine ainihin buƙata don samar da yawan farashi mai inganci. Haɗa cikakkun bayanan haɗa ƙarfe, musamman don hanyoyin mara Pb, yana nuna canjin masana'antu zuwa ƙarin samarwa mai dacewa da muhalli.