LTD-3506KR Nunin LED Mai Lambobi Biyu 7-Segment - Tsayin Lamba 7.62mm - Ƙarfin Lantarki Gaba 2.6V - Ƙarfin Wutar Lantarki 75mW - Launi Mai Ja Mai Ƙarfi

1. Bayyani Game da Samfur

Na'urar ita ce tsarin nunin diode mai haskakawa (LED) mai lambobi biyu, mai sassa bakwai. Aikin ta na asali shine samar da bayanin lambobi mai tsabta, mai iya karantawa a cikin aikace-aikacen lantarki daban-daban. Babban ɓangaren ta yana amfani da kayan semiconductor na ci gaba don cimma aikin gani.

1.1 Fa'idodi na Asali da Kasuwar Da Ake Nufi

Wannan nunin yana ba da fa'idodi masu mahimmanci da yawa waɗanda suka sa ya dace da aikace-aikace iri-iri. Yana da ƙira mai ci gaba da kuma daidaitaccen tsari na sassa, wanda ke haɓaka kamanni da iya karantawar haruffa. Na'urar tana aiki da ƙarancin buƙatun wutar lantarki, wanda ke ba da gudummawa ga ingantaccen amfani da makamashi a cikin samfuran ƙarshe. Tana ba da fitarwa mai haske mai girma da bambanci mai girma, yana tabbatar da ganuwa ko da a cikin yanayi mai haske. Faɗin kusurwar kallo yana ba da damar karanta nunin daga matsayi daban-daban. Tsarin ƙwaƙƙwaran jiki yana ba da ingantaccen dogaro da tsawon rayuwar aiki. An rarraba ƙarfin haske, yana ba da damar daidaiton haske a cikin batutuwan samarwa. A ƙarshe, marufi ya bi ka'idojin buƙatun maras gubar.

Kasuwar da ake nufi don wannan ɓangaren ta haɗa da na'urorin lantarki na mabukaci, kayan aikin masana'antu, dashbodin motoci, kayan aikin gwaji da aunawa, da kowane na'ura da ke buƙatar ƙaramin nunin lambobi mai dogaro.

2. Zurfin Bincike Kan Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bincike, na haƙiƙa game da mahimman ma'auni na fasaha na na'urar kamar yadda aka ayyana a cikin takardar ƙayyadaddun bayanai.

2.1 Halayen Haske da Na Gani

Aikin gani shine tsakiyar aikin nunin. Launin farko da ake fitarwa yana cikin bakan ja, wanda aka samu ta hanyar takamaiman kayan semiconductor. Matsakaicin tsayin zango na fitarwa yana kusan nanomita 639 (nm) lokacin da ake tuƙa shi da ƙarfin lantarki gaba na milliamperes 20 (mA). An ƙayyade tsayin zango mafi rinjaye a nanomita 631. Ramin rabin layin bakan, wanda ke nuna tsafta ko faɗin launin da ake fitarwa, shine nanomita 240. Matsakaicin ƙarfin haske, ma'aunin hasken da ake gani, an rarraba shi. A ƙarfin lantarki gaba na 1 mA, ƙarfin yana kewayo daga mafi ƙanƙanta na microcandelas 350 (μcd) zuwa matsakaicin μcd 860. A mafi girman ƙarfin tuƙi na 10 mA, an lura da ƙimar yau da kullun na μcd 11150. An ƙayyade ma'aunin daidaitawar ƙarfin haske na 2:1 (matsakaici zuwa mafi ƙanƙanta) don sassan a cikin yanki guda na haske a 1 mA, yana tabbatar da daidaiton gani.

2.2 Ma'auni na Lantarki

Halayen lantarki suna ayyana yanayin aiki da iyakoki don na'urar. Matsakaicin ƙimar ƙididdiga suna saita iyakoki don aiki mai aminci. Ragewar wutar lantarki kowane yanki bai kamata ya wuce milliwatts 75 (mW) ba. Matsakaicin ƙarfin lantarki gaba kowane yanki yana iyakance zuwa 90 mA a ƙarƙashin yanayin bugun jini (1 kHz, 10% aikin haɗari). Ci gaba da ƙarfin lantarki gaba kowane yanki an ƙididdige shi a 25 mA a 25°C, tare da ƙimar ragewa na 0.33 mA kowane digiri Celsius sama da 25°C. Ƙarfin lantarki gaba kowane yanki, wanda aka auna a 20 mA, yana da ƙimar yau da kullun na volts 2.6 (V) kuma matsakaicin 2.6 V (tare da mafi ƙanƙanta na 2.0 V). Juyawar ƙarfin lantarki kowane yanki tana iyakance zuwa matsakaicin microamperes 100 (μA) a juyawar ƙarfin lantarki na 5V; yana da mahimmanci a lura cewa wannan yanayin gwaji ne kuma ba a nufin na'urar don ci gaba da aikin juyawa ba.

2.3 Ƙayyadaddun Zafi da Muhalli

An ƙera na'urar don yin aiki a cikin kewayon zafin yanayi na -35°C zuwa +85°C. Kewayon zafin ajiya iri ɗaya ne. Waɗannan ƙididdiga suna tabbatar da aiki a cikin muhalli mai tsauri da na yau da kullun. An ba da takamaiman bayanan yanayin zafin solder don hana lalacewa yayin haɗawa: solder na igiyar ruwa bai kamata ya wuce 260°C na matsakaicin dakika 5 da aka auna 1.6mm ƙasa da filin zama ba, yayin da solder na hannu bai kamata ya wuce 295°C ±5°C ba na matsakaicin dakika 3 a wannan ma'anar batu.

3. Bayanin Tsarin Rarraba (Binning)

Takardar bayanai tana nuna cewa an rarraba na'urori don ƙarfin haske. Wannan aikin rarraba (binning) ne na gama gari inda ake raba LED daga rukunin samarwa bisa ga ƙarfin hasken da aka auna. Wannan yana tabbatar da cewa abokan ciniki suna karɓar nunin da ke da daidaitaccen matakin haske. Ƙayyadaddun ma'aunin daidaitawar ƙarfin haske na 2:1 (matsakaici zuwa mafi ƙanƙanta) a tsakanin sassan yana ƙara tabbatar da daidaiton gani a cikin na'ura guda. Ko da yake ba a yi cikakken bayani game da tsawon zango ko ƙarfin lantarki gaba a cikin wannan takarda ba, irin waɗannan ma'auni ana sarrafa su sosai a cikin masana'anta don cika ƙimar da aka buga na yau da kullun da matsakaici/matsakaici.

4. Bincike Kan Lissafin Aiki

Takardar bayanai tana nuni zuwa lissafin halayen lantarki da na gani na yau da kullun. Ko da yake ba a ba da takamaiman jadawali a cikin rubutun ba, lissafin daidaitaccen don irin waɗannan na'urori yawanci zai nuna alaƙar tsakanin ƙarfin lantarki gaba da ƙarfin haske (yana nuna ƙaruwar fitarwar haske tare da ƙarfin lantarki), alaƙar tsakanin ƙarfin lantarki gaba da ƙarfin lantarki gaba, da bambancin ƙarfin haske tare da zafin yanayi. Waɗannan lissafin suna da mahimmanci ga masu ƙira don inganta yanayin tuƙi don haske da inganci yayin da suke ci gaba da kasancewa cikin iyakokin aiki na na'urar.

5. Bayanin Injiniya da Marufi

5.1 Girman Jiki da ƙimar Rangwame

Na'urar tana da tsayin lamba na inci 0.3 (7.62 mm). An ba da girman marufi a cikin zane tare da duk ma'aunin a millimita. Matsakaicin ƙimar rangwame shine ±0.25 mm sai dai idan an ƙayyade in ba haka ba. Ƙarin bayanan injiniya sun haɗa da ƙimar canjin ƙusa na ±0.4 mm, iyakoki akan kayan waje da gurɓataccen tawada a saman yanki, iyaka akan lanƙwasa na mai nuna haske, da iyaka akan kumfa a cikin kayan yanki. Ana ba da shawarar diamita ramin allon da'ira (PCB) na 1.0 mm don mafi kyawun dacewa.

5.2 Tsarin Ƙusa da Gano Polarity

Na'urar tana da ƙusa 10 a cikin tsarin marufi biyu-a-layin. Tana da tsarin gine-ginen cathode na gama gari, tare da cathode guda ɗaya na gama gari don kowane lamba (Lamba 1 da Lamba 2). Jadawalin da'irar ciki yana nuna haɗin kai na anodes na yanki (A, B, C, D, E, F, G) da maki goma (DP) don duka lambobi zuwa takamaiman lambobin ƙusa. Teburin haɗin ƙusa yana nuna fili kowane lambar ƙusa zuwa aikinta (misali, Ƙusa 1: Anode don G1,G2; Ƙusa 4: Common Cathode don Lamba 2; Ƙusa 7: Common Cathode don Lamba 1). Wannan bayanin yana da mahimmanci don daidaitaccen shimfidar PCB da haɗin kai na tsarin.

6. Jagororin Solder da Haɗawa

Kamar yadda aka ambata a cikin ƙayyadaddun zafi, biyayya ga iyakokin zafin solder da lokaci yana da mahimmanci don hana lalacewar zafi ga guntu na LED, igiyoyin haɗin kai, ko marufin filastik. Yakamata a yi amfani da girman ramin PCB da aka ba da shawarar (1.0 mm) don tabbatar da daidaitaccen daidaitawar injiniya da samuwar haɗin solder. Yakamata masu ƙira su bi ƙa'idodin yin taka tsantsan na ESD (zubar da lantarki) yayin sarrafawa. Don ajiya, yakamata a kiyaye ƙayyadaddun kewayon zafin -35°C zuwa +85°C a cikin yanayi mai bushewa.

7. Shawarwari na Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan nunin mai lambobi biyu ya dace da aikace-aikacen da ke buƙatar ƙaramin karatun lambobi biyu. Amfanin gama gari ya haɗa da: mitoci dijital masu yawa, ƙididdiga na mitoci, nunin agogo (nuna mintuna ko dakika), masu sarrafa zafin jiki, ma'auni ƙanana, nuna matakin cajin baturi, da nunin yanayin panel iko.

7.2 Abubuwan Tunani da Bayanan Kula Lokacin Ƙira

When integrating this display, several factors must be considered.Iyakar Ƙarfin Lantarki:Masu jurewa na iyakancewa ƙarfin lantarki na waje suna tilas ga kowane anode na yanki ko layin cathode na gama gari don saita hasken da ake so kuma tabbatar da ci gaba da ƙarfin lantarki gaba kowane yanki bai wuce 25 mA ba (wanda aka rage don zafin jiki). Ana iya ƙididdige ƙimar ta amfani da ƙarfin wutar lantarki, ƙarfin lantarki gaba na LED (Vf ~2.6V), da ƙarfin lantarki da ake nufi.Ana buƙatar microcontroller ko takamaiman mai tuƙa nunin IC don haɗa lambobi biyu. Wannan ya haɗa da jeri sau ɗaya a lokaci ɗaya yayin gabatar da bayanan yanki don wannan lamba, a mitar da ta isa don guje wa kallon flicker (yawanci >60 Hz).Maganar Tsallake-tsallake:Takardar bayanai ta ƙayyade ƙayyadaddun magana ta tsallake-tsallake na ≤2.5%. Wannan yana nufin hasken da ba a zaɓa ba na wani yanki a cikin lambar da ba a zaɓa ba saboda ɗigon ruwa ko haɗin ƙarfin lantarki. Daidaitaccen lokacin haɗawa da ƙarfin tuƙi suna taimakawa rage wannan tasirin.Kusurwar Kallo:Faɗin kusurwar kallo yana da fa'ida amma yakamata a yi la'akari da shi yayin ƙirar akwati na injiniya don daidaitawa da layin gani na mai amfani na yau da kullun.8. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da tsofaffin fasahohi kamar LED na GaP mai launi ɗaya, amfani da kayan AlInGaP yana ba da mafi girman haske da inganci don fitarwar ja. Fuskar launin toka tare da fararen sassa zaɓi ne na ƙira wanda ke haɓaka bambanci idan aka kwatanta da fuskar baƙar fata ko launin toka gaba ɗaya, musamman a cikin hasken yanayi. Rarraba don ƙarfin haske shine babban abin banbance wanda ke ba da matakan haske da ake iya hasasawa, wanda ba koyaushe ake tabbatar da shi tare da nunin da ba a rarraba ba. Marufin maras gubar yana tabbatar da bin ka'idojin muhalli na zamani (RoHS).

9. Tambayoyin da Ake Yawan Yi (Bisa Ma'auni na Fasaha)

Q: Wane ƙimar resistor yakamata in yi amfani da shi don tuƙa wani yanki a 10 mA daga wadataccen wutar lantarki 5V?

A: Ta amfani da Dokar Ohm: R = (Vsupply - Vf) / I. R = (5V - 2.6V) / 0.01A = 240 Ohms. Daidaitaccen resistor na 240Ω ko 220Ω zai dace.

Q: Zan iya tuƙa wannan nunin tare da ƙarfin lantarki na dindindin ba tare da iyakancewa ba?

A: A'a. LED na'urori ne masu tuƙa ƙarfin lantarki. Yin amfani da ƙarfin lantarki na dindindin kusa da ko sama da Vf ba tare da resistor na jerin ba zai haifar da ƙarfin lantarki mai yawa, mai yuwuwar wuce matsakaicin matsakaicin ƙididdiga kuma ya lalata yankin.

Q: Me "cathode na gama gari" ke nufi ga ƙirar da'irar ta?

A: A cikin nunin cathode na gama gari, duk cathodes (tashoshi marasa kyau) na LED don lamba ɗaya an haɗa su tare a ciki. Don haskaka lamba, dole ne ku haɗa ƙusansa na cathode gama gari zuwa ƙasa (ƙananan dabaru) kuma ku yi amfani da ƙarfin lantarki mai kyau (ta hanyar resistor mai iyakancewa ƙarfin lantarki) zuwa anode na yankin da kuke son haskakawa. Wannan shine akasin nunin anode na gama gari.

Q: Ta yaya zan cim ma maki goma?

A> Jadawalin da'irar ciki yana nuna anodes maki goma (DP) don kowane lamba. Ana sarrafa waɗannan da kansu kamar manyan sassan (A-G). Don haskaka maki goma, dole ne ku tuƙi ƙusansa na anode da ya dace yayin da cathode na gama gari na lambar ta yana aiki.

10. Misalin Ƙira da Amfani na Aiki

Yi la'akari da ƙirar ƙirar ƙididdiga mai sauƙi ta amfani da microcontroller. Za a haɗa ƙusoshin I/O na microcontroller zuwa anodes na yanki (A1/A2 ta hanyar G1/G2, da DP1/DP2) ta hanyar masu jurewa ƙarfin lantarki. Sauran ƙusoshin I/O guda biyu za a haɗa su zuwa ƙusoshin cathode gama gari biyu (Lamba 1 da Lamba 2 Cathode). Firmware zai aiwatar da tsarin haɗawa: saita tsarin yanki don Lamba 1 akan layukan anode, kunna (ƙasa) ƙusar cathode na Lamba 1 na 'yan millisecond, sannan a kashe shi. Na gaba, saita tsarin yanki don Lamba 2, kunna ƙusar cathode na Lamba 2, kuma maimaita. Dole ne zagayowar ya yi sauri sosai don bayyana a matsayin lamba biyu mai tsayayye ga idon ɗan adam. Dole ne a ƙididdige ƙarfin lantarki kowane yanki bisa ga ƙimar resistor da aikin haɗari na haɗawa don tabbatar da matsakaicin raguwar wutar lantarki ya kasance cikin iyakoki.

11. Gabatarwa Kan Ƙa'idar Aiki

Na'urar tana aiki bisa ka'idar electroluminescence a cikin haɗin p-n na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki gaba wanda ya wuce yuwuwar gina haɗin gwiwa (ƙarfin lantarki gaba Vf), ana shigar da electrons da ramuka zuwa yankin aiki inda suke sake haɗuwa. A cikin LED na AlInGaP (Aluminum Indium Gallium Phosphide), wannan taron sake haɗuwa yana sakin makamashi a cikin nau'in photons (haske) a cikin kewayon tsawon zango ja. Takamaiman abun da ke cikin yadudduka na AlInGaP yana ƙayyade ainihin launi (tsawon zango) na hasken da aka fitar. Kowane yanki na nunin yana ɗauke da ɗaya ko fiye da waɗannan ƙananan guntu na LED. Marufin filastik yana aiki don ɗaukar guntu, samar da kariya ta injiniya, kuma yana aiki azaman ruwan tabarau don siffanta fitarwar haske don mafi kyawun kallo.

12. Trends da Ci Gaban Fasaha

Yayin da wannan takamaiman na'urar ke amfani da fasahar AlInGaP don fitarwar ja, kasuwar nunin LED gabaɗaya tana ci gaba da haɓaka. Trends sun haɗa da haɓaka mafi girman ingantaccen kayan aiki, wanda ke haifar da ƙarancin amfani da wutar lantarki don haske iri ɗaya. Akwai turawa zuwa ga mafi girman yawan pixel da ikon launi cikakke a cikin nunin masu yawan sassa da matrix-dot. Haɗa na'urorin lantarki kai tsaye cikin marufin nunin ("nunin hankali") yana sauƙaƙa ƙirar tsarin. Bugu da ƙari, ci gaban cikin kayan marufi yana nufin ingantaccen sarrafa zafi, yana ba da damar mafi girman ƙarfin tuƙi da haske, da ingantaccen dogaro a kan faɗin kewayon zafi. Ƙa'idar asali na fitarwar haske na ƙwaƙƙwaran jiki ya rage, amma matakan aiki da haɗin kai suna ci gaba da ƙaruwa.

While this specific device uses AlInGaP technology for red emission, the broader LED display market continues to evolve. Trends include the development of even higher efficiency materials, leading to lower power consumption for the same brightness. There is a push towards higher pixel density and full-color capability in multi-segment and dot-matrix displays. Integration of driver electronics directly into the display package ("intelligent displays") simplifies system design. Furthermore, advancements in packaging materials aim for improved thermal management, allowing for higher drive currents and brightness, and enhanced reliability over a wider temperature range. The fundamental principle of solid-state light emission remains, but performance and integration levels continue to increase.