Bayanin SMD LED LTST-008EGSW - Ruwan Tabarau Mai Farin Haske - Multi-Chip (Ja, Kore, Rawaya) - Takardun Fasaha na Hausa

1. Bayanin Samfurin

LTST-008EGSW na'urar LED ce mai haɗawa da saman (SMD) wacce ke da farin tabarau mai haske kuma tana ɗauke da guda uku na LED chips a cikin daidaitaccen fakitin EIA. An ƙera wannan kayan don tsarin haɗa allon kewayawa (PCB) ta atomatik, wanda ya sa ya dace da samarwa mai yawa. Ƙaramin siffarsa yana magance buƙatun aikace-aikacen da ke da ƙarancin sarari a cikin sassa daban-daban na lantarki.

1.1 Fa'idodi na Asali

• Tushen Launi Da Yawa:Yana haɗa ja (AlInGaP), kore (InGaN), da rawaya (AlInGaP) chips, yana ba da damar nuna launi ko haɗawa a cikin takamaiman wurin kayan.
• Daidaitawar Tsari:An ƙera shi don dacewa da kayan aikin ɗauka da sanyawa ta atomatik da kuma tsarin gudanar da gishiri na infrared (IR), yana tallafawa haɗa PCB cikin inganci.
• Daidaitawar Muhalli:Samfurin ya cika umarnin RoHS (Ƙuntata Abubuwa Masu Haɗari).
• Fakitin Daidaitacce:Ana samar da shi a cikin tsarin tef da reel (tef mai nisan milimita 12 akan reels inci 7), yana sauƙaƙe sarrafa atomatik.

1.2 Kasuwanni da Aikace-aikace

Wannan LED an yi niyya ne ga ɗimbin masu amfani, masana'antu, da na'urorin lantarki na sadarwa. Manyan wuraren aikace-aikace sun haɗa da alamun yanayi, hasken sigina da alama, da hasken baya na allon gaba a cikin na'urori kamar kayan aikin sadarwa, tsarin sarrafa ofis, kayan aikin gida, da sassa daban-daban na sarrafa masana'antu.

2. Bincike Mai Zurfi na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani, fassarar ma'auni na mahimman lantarki, na gani, da na zafi da aka ƙayyade don LTST-008EGSW.

2.1 Matsakaicin Matsakaicin Ƙima

Waɗannan ƙimar suna bayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. An ƙayyade su a yanayin zafin muhalli (Ta) na 25°C.

• Rushewar Wutar Lantarki (Pd):Ja/Rawaya: 78 mW; Kore: 64 mW. Wannan ma'auni yana nuna matsakaicin wutar lantarki da LED zata iya watsawa azaman zafi. Wucewa wannan ƙimar yana haifar da haɗarin lalacewar zafi.
• Gaba Mai Ci Gaba:DC Gaba Mai Ci Gaba: Ja/Rawaya: 30 mA; Kore: 20 mA. Matsakaicin Gaba Mai Ci Gaba (1/10 aikin aiki) shine 80 mA ga duk launuka. Dole ne masu ƙira su tabbatar da cewa yanayin aiki ya kasance a ko ƙasa da ƙimar DC don aiki mai dogon lokaci mai aminci.
• Kewayon Zafin Jiki:Aiki: -40°C zuwa +85°C; Ajiya: -40°C zuwa +100°C. Waɗannan kewayon suna bayyana yanayin muhalli da na'urar za ta iya jurewa yayin amfani da lokutan da ba aiki ba.

2.2 Halayen Lantarki da Gani

Waɗannan su ne ma'auni na aiki na yau da kullun da aka auna a ƙarƙashin takamaiman yanayin gwaji (Ta=25°C).

• Ƙarfin Haske (Iv) & Flux (Φv):An auna shi a yanayin gaba mai ci gaba daban-daban (Ja/Rawaya: 20mA, Kore: 5mA). An ƙididdige ƙimar (duba Sashe na 3). Misali, mafi ƙarancin ƙarfin haske na Ja da Kore shine 280 mcd, kuma na Rawaya shine 112 mcd. Kallon kusurwa (2θ1/2) yana da faɗi mai nisan digiri 120, na yau da kullun don tabarau mai haske, yana ba da tsarin fitarwa mai faɗi.
• Halayen Bakan:
  • Matsakaicin Tsawon Tsawon (λP): Ja: 632 nm, Kore: 518 nm, Rawaya: 591 nm.
  • Matsakaicin Tsawon Tsawon (λd): Matsakaicin tsawon tsawon guda ɗaya wanda ke bayyana launin da ake gani. An ƙayyade kewayon kuma an ƙididdige su (misali, Ja: 617-630 nm).
  • Rabin Faɗin Layin Bakan (Δλ): Kore yana da mafi faɗin faɗin bakan a 30 nm, idan aka kwatanta da 15 nm na Ja da Rawaya, wanda shine halayen tsarin kayan InGaN.
• Gaba Mai Ci Gaba (Vf):Ragewar wutar lantarki a kan LED a takamaiman yanayin gwaji. Kewayon su ne: Ja: 1.7-2.6V, Kore: 2.4-3.2V, Rawaya: 1.8-2.6V. Wannan ma'auni ne mai mahimmanci don ƙirar da'irar tuƙi.
• Koma Baya Mai Ci Gaba (Ir):Matsakaicin 10 μA a VR=5V. Takardun bayanan ya bayyana a sarari cewa ba a ƙera na'urar don aikin koma baya ba; wannan gwajin don tabbatar da inganci ne kawai.

3. Bayanin Tsarin Binning

LTST-008EGSW yana amfani da tsarin binning don rarraba raka'a bisa mahimman ma'auni na gani, yana tabbatar da daidaito a cikin aikin aikace-aikace.

3.1 Binning na Ƙarfin Haske (IV)

Ana rarraba LED zuwa kwandon bisa ga fitarwar haske da ƙarfin haske. Kowane kwandon yana da mafi ƙarancin ƙima da matsakaicin ƙima tare da jurewar +/-11% a cikin kwandon.

• Ja & Kore:Yi amfani da kwandon F, G, H (misali, Kwandon F: 280-450 mcd, Kwandon H: 710-1120 mcd).
• Rawaya:Yana amfani da kwandon D, E, F (misali, Kwandon D: 112-180 mcd, Kwandon F: 280-450 mcd).

Wannan yana ba masu ƙira damar zaɓar matakin haske wanda ya dace da buƙatun aikace-aikacensu.

3.2 Binning na Matsakaicin Tsawon Tsawon (WD)

Hakanan ana rarraba LED ta hanyar takamaiman inuwar launinsu (matsakaicin tsawon tsawon), tare da jurewar +/-1 nm a kowane kwandon.

• Ja:Kwandon K guda ɗaya (617.0 - 630.0 nm).
• Kore:Kwandon P (520.0-530.0 nm) da Q (530.0-540.0 nm).
• Rawaya:Kwandon H (584.5-589.5 nm) da J (589.5-594.5 nm).

Wannan yana tabbatar da daidaiton launi, wanda yake da mahimmanci ga aikace-aikacen da ake buƙatar daidaitaccen daidaitawar launi, kamar a cikin nuni na LED da yawa ko alamun yanayi.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman bayanan hoto a cikin takardun bayanan (misali, Hoto.1, Hoto.5), lanƙwasa na yau da kullun don irin waɗannan LED ɗin zasu haɗa da:

• Lanƙwasa I-V (Wutar Lantarki-Matsakaici):Yana nuna alaƙar da ba ta dace ba tsakanin gaba mai ci gaba da gaba mai ci gaba ga kowane launin guntu. Lanƙwasa yawanci yana da ƙaramin ƙarfin wutar lantarki (inda ake farawa haɓaka yawanci) na takamaiman kayan semiconductor (mafi ƙasƙanci ga Ja/Rawaya AlInGaP, mafi girma ga Kore InGaN).
• Ƙarfin Haske vs. Gaba Mai Ci Gaba (Lanƙwasa I-Iv):Yana nuna yadda fitarwar haske ke ƙaruwa tare da yawanci, yawanci a cikin alaƙar kusa da layi a cikin shawararrun kewayon aiki kafin inganci ya ragu a yanayin yawanci saboda tasirin zafi.
• Dogaro da Zafin Jiki:Ƙarfin haske gabaɗaya yana raguwa yayin da zafin haɗin gwiwa ya ƙaru. Takamaiman coefficient ya bambanta da kayan, tare da InGaN (Kore) sau da yawa yana nuna halayen zafi daban-daban idan aka kwatanta da AlInGaP (Ja/Rawaya).

5. Bayanin Injiniya da Fakitin

5.1 Girman Fakitin da Aikin Pin

Na'urar ta yi daidai da daidaitaccen tsarin fakitin SMD na EIA. Duk girmansu yana cikin milimita tare da jurewar na yau da kullun na ±0.1 mm. An bayyana a sarari aikin pin don tsarin guntu da yawa: Pin (1,2) da 3 don guntun Ja, pin 4 da 5 don guntun Kore, da pin 6 da (7,8) don guntun Rawaya. Wannan bayanin yana da mahimmanci don daidaitaccen shimfidar PCB da haɗin lantarki.

5.2 Shawararriyar Pad ɗin Haɗa PCB

An ba da ƙirar ƙirar ƙasa don tabbatar da ingantaccen gishiri da kwanciyar hankali na injiniya. Bin wannan shawarar ƙafar ƙafa yana da mahimmanci don samun ingantattun haɗin gishiri yayin sake kwarara da kuma sarrafa watsawar zafi daga LED.

6. Jagororin Gishiri da Haɗawa

6.1 Bayanin Siffar Gishiri ta IR Reflow

An ba da shawarar siffar sake kwarara don hanyoyin gishiri marasa gubar (Pb-free), yana nuni ga ma'aunin J-STD-020B. Mahimman ma'auni sun haɗa da yankin pre-heat (yawanci 150-200°C), takamaiman lokaci sama da ruwa, da matsakaicin zafin jiki wanda bai wuce 260°C ba. Bin wannan bayanin yana da mahimmanci don hana girgizar zafi da lalacewa ga fakitin LED ko haɗin gwiwa na ciki.

6.2 Ajiya da Sarrafawa

LED ɗin suna da damuwa da danshi. Lokacin da buhun kariya na danshi (mai busassun abu) ba a buɗe ba, yakamata a adana su a ≤30°C da ≤70% RH kuma a yi amfani da su cikin shekara guda. Da zarar an buɗe jakar, lokacin bayyanawa a yanayin masana'anta (≤30°C / ≤60% RH) bai kamata ya wuce sa'o'i 168 ba kafin gishirin sake kwarara. Idan bayyanawa ya wuce wannan iyaka, ana ba da shawarar tsarin gasa (misali, 60°C na sa'o'i 48) don cire danshin da aka sha da kuma hana "popcorning" yayin sake kwarara.

6.3 Tsaftacewa

Idan ana buƙatar tsaftacewa bayan gishiri, kawai takamaiman kaushi kamar barasa na ethyl ko isopropyl alcohol yakamata a yi amfani da su a yanayin zafi na yau da kullun na ƙasa da minti ɗaya. Sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na filastik ko fakitin.

7. Bayanin Fakitin da Oda

Daidaitaccen fakitin shine tef mai faɗin milimita 12 akan reels mai diamita inci 7 (178mm). Kowane reel yana ɗauke da guda 4000. An rufe tef da tef ɗin murfi. Fakitin yana bin ƙayyadaddun EIA-481-1-B. An ƙayyade mafi ƙarancin adadin oda na guda 500 don sauran adadi.

8. Shawarwari na Aikace-aikace da Abubuwan Ƙira

8.1 Da'irori na Aikace-aikace na Yau da Kullun

Dole ne a tuƙi kowane guntu launi da kansu tare da resistor mai iyakancewa a jere. Ana ƙididdige ƙimar resistor (R) ta amfani da dabara: R = (Vsupply - Vf_LED) / If, inda Vf_LED shine gaba mai ci gaba na takamaiman guntu a yanayin aiki da ake so (If). Yin amfani da matsakaicin Vf daga takardun bayanan a cikin wannan lissafin yana tabbatar da cewa yawanci bai wuce iyaka ba ko da tare da bambancin sashi zuwa sashi.

8.2 Gudanar da Zafin Jiki

Ko da yake watsawar wutar lantarki tana da ƙasa, ingantaccen ƙirar zafi akan PCB yana da mahimmanci don kiyaye aikin LED da tsawon rai, musamman lokacin aiki kusa da matsakaicin ƙima. Shawarar ƙirar pad ɗin PCB tana taimakawa wajen canja wurin zafi. Tabbatar da isasshen yanki na tagulla a kusa da pads da yuwuwar hanyoyin zafi zuwa wasu yadudduka na iya taimakawa wajen sarrafa zafin haɗin gwiwa.

8.3 Ƙirar Gani

Farin tabarau mai haske yana ba da tsarin fitarwa mai faɗi, kamar na Lambert (kusurwar kallon digiri 120). Wannan yana da kyau ga aikace-aikacen da ke buƙatar ganin kusurwa mai faɗi. Don ƙarin haske mai mai da hankali, za a buƙaci na'urorin gani na biyu. Masu ƙira yakamata su yi la'akari da ƙarfin haske daban-daban na launuka uku lokacin da nufin daidaitaccen haske ko takamaiman rabon haɗa launi.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambancin LTST-008EGSW ya ta'allaka ne a haɗa guntu uku na LED (Ja, Kore, Rawaya) a cikin fakitin SMD guda ɗaya, daidaitacce tare da farin tabarau mai haske. Wannan ya bambanta da:

• SMD LED Mai Launi Guda:Yana ba da launi ɗaya kawai a kowane na'ura.
• LED RGB:Yana haɗa Ja, Kore, da Blue chips don cikakken haɗa launi. Haɗin RGY a nan an keɓance shi don takamaiman buƙatun launin alama (misali, simintin sigina na zirga-zirga, takamaiman lambobin yanayi) kuma yana iya ba da inganci mafi girma a yankin rawaya idan aka kwatanta da LED RGB wanda ke ƙirar rawaya daga ja+kore.
• Tabarau Bayyananne vs. Tabarau Mai Haske:Tabarau mai haske yana sadaukar da wasu ƙarfin gaba don kusurwar kallo mafi faɗi da mafi daidaito, wanda sau da yawa ya fi dacewa ga alamomin allon gaba.

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

Q: Shin zan iya tuƙi duk guntu uku a lokaci guda a matsakaicin yawan DC?

A: A'a. Dole ne a mutunta Matsakaicin Matsakaicin Ƙimar watsawar wutar lantarki (78 mW na Ja/Rawaya, 64 mW na Kore). Tuƙi duk guntu a matsakaicin yawanci a lokaci guda zai iya wuce iyakar watsawar wutar lantarki na fakitin gabaɗaya, wanda zai haifar da zafi mai yawa. Ana buƙatar cikakken bincike na zafi don irin wannan aikin.

Q: Me yasa yanayin gwaji ya bambanta don guntun Kore (5mA) idan aka kwatanta da Ja/Rawaya (20mA)?

A: Wannan al'ada ce ta gama gari saboda LED ɗin kore na tushen InGaN yawanci suna da inganci mafi girma (ƙarin fitarwar haske a kowane naúrar yawanci) a ƙananan yawanci idan aka kwatanta da LED ɗin tushen AlInGaP. Ƙayyade a 5mA yana yiwuwa yana ba da matakin haske mai kwatankwacin dalilai na binning kuma yana nuna matsakaicin wurin aiki na gama gari.

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon da Matsakaicin Tsawon Tsawon?

A: Matsakaicin Tsawon Tsawon (λP) shine tsawon tsawon a mafi girman matsayi a cikin lanƙwasa rarraba ikon bakan na LED. Matsakaicin Tsawon Tsawon (λd) an samo shi ne daga ma'auni na launi akan zanen chromaticity na CIE kuma yana wakiltar tsawon tsawon guda ɗaya na haske mai launi guda ɗaya wanda zai dace da launin da ake gani na LED. λd ya fi dacewa don ƙayyadaddun launi.

11. Misalin Aikace-aikace na Aiki

Yanayi: Alamar Yanayi na Tsarin Yanayi Da Yawa

Na'urar hanyar sadarwa ta amfani da LTST-008EGSW guda ɗaya don nuna yanayin aiki da yawa:

- Ja (M):Yanayin tashi/ Kuskure (ana tuƙa shi a 15mA).

- Kore (Walƙiya):Ayyukan bayanai (ana tuƙa shi a 5mA, bugun jini).

- Rawaya (M):Yanayin jiran aiki/ Kashe aiki (ana tuƙa shi a 15mA).

- Ja+Kore (wanda ya bayyana Orange):Yanayin gargadi (dukansu ana tuƙa su a ƙananan yawanci don haɗa launi).

Wannan ƙirar tana haɗa abin da zai buƙaci sanyawa LED daban-daban guda uku zuwa ɗaya, yana adana sararin PCB da sauƙaƙa ƙirar allon gaba, yayin da faɗin kusurwar kallo ke tabbatar da ganin daga kusurwoyi daban-daban.

12. Ka'idar Aiki

Fitar haske a cikin LED yana dogara ne akan electroluminescence a cikin haɗin gwiwar p-n na semiconductor. Lokacin da aka yi amfani da gaba mai ci gaba, ana shigar da electrons da ramuka cikin yankin aiki inda suke sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon tsawon (launi) na haske an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su:

- AlInGaP (Aluminum Indium Gallium Phosphide):Ana amfani da shi don guntu na Ja da Rawaya, yana iya samar da haske mai inganci a cikin bakan ja zuwa rawaya-orange.

- InGaN (Indium Gallium Nitride):Ana amfani da shi don guntun Kore, wannan tsarin kayan yana iya samar da haske a cikin bakan shuɗi zuwa kore. Farin tabarau mai haske yana watsa haske daga guntu ɗaya, yana haifar da kamanni iri ɗaya, gauraye daga waje.

13. Trends na Fasaha

Ci gaban SMD LED mai guntu da yawa kamar LTST-008EGSW yayi daidai da yawancin abubuwan da ke gudana a cikin optoelectronics:

- Ƙananan da Haɗawa:Haɗa ayyuka da yawa (launuka) cikin fakitin guda ɗaya yana adana sararin allon, yana rage adadin abubuwan da aka haɗa, kuma yana sauƙaƙa haɗawa.

- Ƙarfafa Ingantaccen Aiki:Ci gaba da inganta kayan kamar InGaN da AlInGaP yana haifar da inganci mafi girma (ƙarin lumens a kowace watt), yana ba da damar fitarwa mai haske a ƙananan yawanci ko rage amfani da wutar lantarki.

- Fakitin Ci Gaba:Inganta ƙirar fakitin da kayan yana inganta aikin zafi, yana ba da damar yawan wutar lantarki mafi girma da aiki mai aminci a cikin mawuyacin yanayi. Amfani da kayan da ke jure zafi mai yawa na sake kwarara shine ma'auni.

- Maganganun Takamaiman Aikace-aikace:Motsi zuwa abubuwan da aka haɗa kamar wannan LED ɗin RGY yana nuna al'adar ba da ingantattun mafita don takamaiman buƙatun aikace-aikace maimakon kawai na'urori masu launi guda ɗaya na gama gari.