LTP-1557TBE 5x7 Tsarin Matrix Blue LED Display Datasheet - Tsawon 1.2 Inch - 3.6V Forward Voltage - InGaN Blue Chip - Takardun Fasaha na Hausa

1. Bayanin Samfur

LTP-1557TBE wani tsari ne na nuni na alfanumerik wanda aka tsara don aikace-aikacen da ke buƙatar fitarwa mai tsabta, amintacce. Aikin sa na asali shine wakiltar bayanai ta gani, yawanci haruffan ASCII ko EBCDIC, ta hanyar grid na fitilun diode masu haske (LEDs) waɗanda za'a iya magana da su kai tsaye. Kasuwar farko na wannan kayan tana haɗa da kwamfutocin sarrafa masana'antu, kayan aikin ma'auni, tashoshin tallace-tallace, da kuma nau'ikan tsarin da aka haɗa inda ake buƙatar mafita mai sauƙi, mai ƙarfi, da ƙarancin wutar lantarki.

Fa'idar asali na na'urar tana cikin amfani da guntu na InGaN (Indium Gallium Nitride) blue LED. Wannan fasahar semiconductor tana ba da ingantaccen ingancin haske da launin shuɗi na musamman. Nunin yana da fuskar launin toka tare da farin ɗigo, wanda ke haɓaka bambanci da karantawa. Muhimman fasalulluka waɗanda ke ba da gudummawa ga amfaninsa sune ƙarancin buƙatun wutar lantarki, faɗin kusurwar kallo saboda ƙirar jirgin sama ɗaya, amincin ƙwaƙƙwaran jiki ba tare da sassa masu motsi ba, da kuma ikon tarawa a kwance don nunin haruffa da yawa.

2. Fassarar Ma'ana Mai Zurfi na Sigogi na Fasaha

2.1 Halaye na Photometric da na Gani

Ana bayyana aikin gani a ƙarƙashin takamaiman yanayin gwaji a yanayin zafin muhalli (Ta) na 25°C.Matsakaicin Ƙarfin Hasken (Iv)kowane guntu LED ana ƙayyadad da shi da mafi ƙarancin 5400 µcd, ƙimar al'ada na 13500 µcd, kuma ba a bayyana matsakaicin ba, lokacin da aka tuƙa shi da gaba mai gaba (IF) na 10mA. Wannan siga yana nuna ƙarfin fitar da haske kamar yadda idon ɗan adam ya gane, ana auna shi ta amfani da firikwensin da aka tace don dacewa da lanƙwan amsawar photopic na CIE.

Matsakaicin Tsawon Tsawon Tsawon (λp)yawanci 468 nm ne, wanda ke sanya fitarwa a cikin yankin shuɗi na bakan gani.Rabin Faɗin Layin Spectral (Δλ)shine 25 nm, yana nuna tsaftar bakan ko yaduwar tsayin raƙuman ruwa da aka fitar.Matsakaicin Tsawon Tsawon (λd)yana tsakanin 470 nm da 475 nm, yana wakiltar launin hasken da aka gane.Matsakaicin Matsakaicin Hasken Haskendon LEDs a cikin yankin nuni ɗaya shine 2:1 matsakaici, yana tabbatar da yarda da daidaito a cikin haske a cikin matrix.2.2 Halaye na Lantarki

Muhimmin sigar lantarki shine

Ƙarfin Wutar Lantarki na Gaba (VF)kowane guntu, wanda ya bambanta daga 3.3V (ƙarami) zuwa 3.6V (matsakaici) a gwajin na'urar na 20mA. Wannan siga ce mai mahimmanci don zaɓar madaidaicin resistors masu iyakancewar halin yanzu ko da'irar direba.Juyin Halin Yanzu (IR)ana ƙayyade shi azaman matsakaicin 100 µA lokacin da aka yi amfani da juyawar wutar lantarki (VR) na 5V. Yana da mahimmanci a lura cewa wannan yanayin juyawar wutar lantarki don dalilai na gwaji ne kawai; ba a tsara na'urar don ci gaba da aiki a ƙarƙashin juzu'i ba.2.3 Matsakaicin Matsakaicin Matsakaici da La'akari da Zafi

Waɗannan ƙididdiga suna bayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa.

Ci gaba da Halin Yanzu na Gabakowane guntu shine 20mA a 25°C, yana raguwa da layi ta 0.21 mA/°C yayin da zafin jiki ya karu.Matsakaicin Halin Yanzu na Gabashine 100mA amma kawai a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, faɗin bugun jini 0.1ms). MatsakaicinRushewar Wutar Lantarkikowane guntu shine 70 mW. An ƙididdige na'urar donYankin Aiki da Ma'ajiyar Zafin Jikina -35°C zuwa +85°C.Zubar da Lantarki (ESD)kofa shine 2000V (Samfurin Jikin Mutum), yana nuna matsakaicin matakin hankali wanda ke buƙatar madaidaicin hanyoyin sarrafawa.3. Bayanan Injiniya da Kunshin

3.1 Girma da Tolerances

Na'urar tana da tsayin matrix na 1.2 inches (30.42 mm). Ana ba da duk girman kunshin a cikin milimita. Tolerances na gabaɗaya suna ±0.25 mm sai dai idan an faɗi akasin haka. Wani takamaiman bayanin kula yana ambaton ƙimar canjin ƙarshen ƙugiya na ±0.5 mm, wanda ke da mahimmanci don ƙirar sawun PCB da haɗa kai ta atomatik.

3.2 Haɗin Pin da Da'irar Ciki

Nunin yana da tsarin ƙugiya 14. Zanen da'irar ciki yana bayyana tsarin matrix mai yawa. An sanya ƙugiyoyi zuwa anodes na layuka 1 zuwa 7 da cathodes na ginshiƙai 1 zuwa 5. Wannan gine-ginen zaɓin X-Y yana ba da damar sarrafa kowane ɗigo guda ɗaya (LED) ta hanyar kunna layin layi (anode) da ginshiƙi (cathode) da suka dace, yana rage adadin ƙugiyoyin direba da ake buƙata sosai idan aka kwatanta da hanyar tuƙi kai tsaye.

4. Jagororin Solder da Taro

Takardun bayanan ta ƙayyade matsakaicin zafin solder na 260°C na matsakaicin tsawon lokaci na dakika 5, wanda aka auna a 1.6mm (1/16 inch) ƙasa da matakin wurin zama. Wannan matsakaicin iyaka ne na yanayin sake kunnawa solder don abubuwan da ke cikin rami. Biyayya ga wannan iyaka yana da mahimmanci don hana lalacewa ga guntu LED ko kunshin filastik daga matsanancin damuwa na zafi.

5. Kariya daga Zubar da Lantarki (ESD)

Ganin ƙimar hankali na ESD, ana ba da shawarar ƙa'idodin sarrafawa masu tsauri don hana lalacewa daga wutar lantarki ko haɓakar wutar lantarki. Waɗannan sun haɗa da: amfani da madaurin wuyan hannu mai ɗaukar wutar lantarki ko safofin hannu masu hana wutar lantarki; tabbatar da cewa duk kayan aiki, wuraren aiki, da rumfunan ajiya suna da tushe da kyau; da kuma amfani da busar ion don kawar da cajin wutar lantarki da zai iya taruwa a saman ruwan tabarau na filastik yayin sarrafawa da ajiya.

6. Shawarwari na Aikace-aikace

6.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nuni yana da kyau don aikace-aikacen da ke buƙatar layi ɗaya ko ƴan haruffa na bayanai. Amfanin gama gari ya haɗa da alamomin yanayi akan injina, karatun sauƙi akan kayan aikin gwaji, allunan nuni don kayan lantarki na mabukaci na asali, da kuma azaman tubalan gini don manyan allunan saƙo masu yawa saboda ƙirar su mai tarawa.

6.2 Abubuwan Tunani na Zane

Da'irar Direba:

Ana buƙatar microcontroller ko keɓaɓɓen direban nuni don haɗa layuka da ginshiƙai. Dole ne direban ya samar da halin yanzu da ake buƙata (yawanci 10-20mA kowane yanki) kuma ya sarrafa faɗuwar wutar lantarki (~3.6V). Resistors masu iyakancewar halin yanzu suna da mahimmanci ga kowane layi ko layin ginshiƙi don saita halin yanzu na aiki.Wadata Wutar Lantarki:
Dole ne ƙarfin wutar lantarki ya fi ƙarfin wutar lantarki na gaba. Wadata 5V na kowa ne, tare da amfani da resistors don rage sauran wutar lantarki.Kusurwar Dubawa:
Ƙirar jirgin sama ɗaya, mai faɗin kusurwar kallo tana da amfani ga aikace-aikacen da za a iya kallon nuni daga wuraren da ba a tsakiya ba.Muhalli:
Ƙayyadaddun kewayon zafin aiki ya sa ya dace da cikin gida da yawancin wuraren masana'antu.7. Kwatancen Fasaha da Bambanci

Idan aka kwatanta da tsofaffin fasahohi kamar incandescent ko nunin fluorescent na vacuum (VFDs), wannan matrix na LED yana ba da ƙarancin amfani da wutar lantarki sosai, tsawon rayuwa, da mafi kyawun juriya da girgiza saboda ƙirar ƙwaƙƙwaran jiki. A cikin rukunin nunin LED, amfani da guntu shuɗi na InGaN yana ba da zaɓi na launi daban-daban idan aka kwatanta da mafi yawan jan GaAsP ko GaP LEDs. Tsarin 5x7 shine ma'auni don samar da haruffan alfanumerik, yana ba da daidaito mai kyau tsakanin ƙuduri da adadin ƙugiya. Kunshin sa na cikin rami ya bambanta shi da madadin da ake hawa a saman, yana sa ya fi dacewa da ƙirar ƙira, ayyukan sha'awa, ko aikace-aikacen da za a iya haɗa solder da hannu.

8. Tambayoyin da ake yawan yi dangane da Sigogi na Fasaha

Q: Menene manufar Matsakaicin Matsakaicin Hasken Hasken 2:1?

A: Wannan rabo yana tabbatar da cewa mafi haske ɗigo a cikin nuni bai wuce sau biyu mafi haske ba a ƙarƙashin yanayin tuƙi ɗaya. Wannan yana da mahimmanci don cimma kamanni iri ɗaya a duk haruffa da sassa, yana hana wasu ɗigo su bayyana a fili mafi duhu ko mafi haske fiye da wasu.
Q: Shin zan iya tuƙa wannan nuni tare da pin microcontroller 3.3V kai tsaye?

A: A'a. Matsakaicin ƙarfin wutar lantarki na gaba (3.6V) ya fi 3.3V girma. Kuna buƙatar da'irar direba (kamar jerin transistor) wanda aka kunna daga mafi girman wadataccen wutar lantarki (misali, 5V) don sauya layuka/ginshiƙai. Sa'an nan ƙugiyoyin microcontroller za su sarrafa waɗannan transistor ɗin direba.
Q: Me yasa akwai bayanin kula da ke ƙayyade cewa juyawar wutar lantarki don gwaji ne kawai?

A: LEDs diodes ne kuma ba a tsara su don toshe manyan juzu'in wutar lantarki ba. Yin amfani da ci gaba da juzu'i sama da ƙaramin kofa (sau da yawa volt kaɗan ne kawai) na iya haifar da rushewa da lalata na'urar. Ana amfani da yanayin gwaji na 5V don auna halin yanzu na ɓarna (IR) a ƙarƙashin damuwa mai sarrafawa, mara aiki.
Q: Ta yaya zan ƙirƙiri nuni mai yawan haruffa?

A: Nunin "yana da iyawa a kwance." Wannan yana nufin cewa za ku iya sanya raka'o'i da yawa a gefe a kan PCB. An tsara pinouts ɗin su ta yadda za a iya haɗa layukan layi da ginshiƙai masu dacewa daga raka'o'in kusa da juna a layi ɗaya, yana ba da damar da'irar direba ɗaya ta sarrafa jerin haruffa ta hanyar duba duk layukansu lokaci ɗaya yayin aika bayanan ginshiƙi ga kowane matsayi a jere.
9. Misalin Zane da Amfani na Aiki

Harka: Zane na Karatun Zafin Jiki Mai Sauƙi.

Mai zane yana buƙatar nuna zafin jiki mai lamba biyu (misali, "25") akan mai sarrafawa da aka haɗa. Za su yi amfani da nuni biyu na LTP-1557TBE. Za a tsara microcontroller don canza ƙimar firikwensin zafin jiki zuwa lambobin ASCII don lambobi '2' da '5'. Za a fassara waɗannan lambobin zuwa takamaiman tsarin fitilun ɗigo don kowane hali ta amfani da teburin nema da aka adana a cikin ƙwaƙwalwar ajiyar microcontroller. Ƙugiyoyin I/O na microcontroller, mai yiyuwa ta hanyar direbobin nutsewar halin yanzu na waje (kamar jerin ULN2003 don ginshiƙai) da direbobin samar da halin yanzu (kamar transistor don layuka), za su haɗa nunin. Zai yi sauri ta hanyar zagayawa ta hanyar kunna Layi na 1 na duka nunin yayin da yake saita tsarin ginshiƙi don wannan layi don kowane hali, sannan Layi na 2, da sauransu har zuwa Layi na 7. Wannan yana faruwa da sauri fiye da yadda idon ɗan adam zai iya gane, yana haifar da ruɗi na haruffa masu tsayi. Fuskar launin toka da farin ɗigo suna tabbatar da karantawa mai kyau a cikin hasken muhalli na yanayin da aka yi niyya.10. Gabatarwar Ka'idar Aiki

Ka'idar aiki ta asali ta dogara ne akan electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin wutar lantarki na gaba wanda ya wuce kofar kunna diode (ƙarfin wutar lantarki na gaba, VF), electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki (haɗin). Anan, sun sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman kayan da aka yi amfani da su—InGaN a wannan yanayin—yana ƙayyade ƙarfin bandgap don haka tsayin raƙuman ruwa (launi) na hasken da aka fitar, wanda ke cikin bakan shuɗi. Tsarin matrix 5x7 aiwatar da aiki ne inda aka haɗa guntu LED guda 35 (dice) tare kuma aka haɗa su a cikin matrix na layi-ginshiƙi don rage adadin haɗin waje.

11. Trends da Ci gaban Fasaha

Duk da yake wannan takamaiman matrix na LED mai rami, keɓaɓɓe yana wakiltar fasaha mai girma kuma mai tsayayye, faɗin fagen fasahar nuni yana ci gaba da haɓaka. Trends sun haɗa da ƙaura zuwa kunshin na'urar hawa saman (SMD) don haɗawa ta atomatik da ƙananan siffofi. Hakanan akwai motsi zuwa mafi girman matrices masu yawa da cikakkun nunin RGB masu launi ta amfani da dabarun haɗawa masu ci gaba waɗanda ke haɗa jan, kore, da guntu shuɗi zuwa pixel guda ɗaya. Bugu da ƙari, fasahar guntu LED ta asali tana ci gaba da inganta inganci (ƙarin fitar da haske a kowace watt na shigar da lantarki) da aminci. Duk da haka, ainihin tsarin alfanumerik 5x7 ya kasance mai dacewa ga ɗimbin aikace-aikacen nuni masu sauƙi, masu tsada, da amintacce inda ba a buƙatar babban ƙuduri ko launi ba.

While this specific through-hole, discrete LED matrix represents a mature and stable technology, the broader field of display technology continues to evolve. Trends include the migration to surface-mount device (SMD) packages for automated assembly and smaller form factors. There is also a move towards higher-density matrices and full-color RGB displays using advanced packaging techniques that integrate red, green, and blue chips into a single pixel. Furthermore, the underlying LED chip technology sees continuous improvement in efficiency (more light output per watt of electrical input) and reliability. However, the basic 5x7 alphanumeric format remains relevant for countless simple, cost-effective, and reliable display applications where high resolution or color is not required.