Bayanan Fasaha na LED Mai Launi Cikakke 2.8x2.7x3.0mm - Wutar Lantarki 1.7-3.4V - Ƙarfi 60-68mW

1. Bayanin Samfur

Wannan na'urar LED mai cikakken launi tana haɗa masu fitar da haske ja, kore, da shuɗi a cikin ƙaramin kunshin 2.8mm x 2.7mm x 3.0mm na sama. Zanen farin marmara yana rage haske sosai kuma yana ƙara bambanci, yana mai da shi manufa don nunin bidiyo mai inganci. LED ɗin yana ba da ƙarfin haske mai girma tare da ƙarancin wutar lantarki, rayuwa mai tsayi, da juriyar ruwa IPX6, yana ba da aiki mai dogaro a waje da wuraren buƙata. Matakin laushi na damshi 5a (MSL 5a) yana tabbatar da ɗaukar ƙarfi yayin haɗawa. Samfurin ya yarda da RoHS kuma ya dace da aikin tafiyar da sake haɗawa mara gubar.

An tsara na'urar don nunin bidiyo mai cikakken launi, hasken ado na ciki da waje, aikace-aikacen nishaɗi, da alamomi na gabaɗaya. Tare da daidaitaccen tsawon igiyar haske da haske mai girma, yana ba da launuka masu haske da daidaituwa mai kyau.

2. Bincike Mai zurfi na Ma'auni na Fasaha

2.1 Halayen Wutar Lantarki da Haske

A Ts=25°C, LED ɗin yana aiki da wutar gaba (IF) na 20mA don aikace-aikace na yau da kullun. Ƙarfin wutar gaba (VF) yana cikin: Ja 1.7V zuwa 2.4V, Kore 2.7V zuwa 3.4V, Shuɗi 2.7V zuwa 3.4V. Tsawon igiyar haske mai rinjaye (λD) ya bambanta da launi: Ja 617-628nm, Kore 520-545nm, Shuɗi 460-475nm. Faɗin radiyon bakan (Δλ) shine 24nm na Ja, 38nm na Kore, da 30nm na Shuɗi, yana ba da tsarkin launi mai cikawa. Ƙarfin haske (IV) a 20mA ya haɗa da mafi ƙanƙanta, matsakaici, da mafi girma: Ja min 1000mcd, avg 1500mcd, max 2250mcd; Kore min 2300mcd, avg 3500mcd, max 5200mcd; Shuɗi min 350mcd, avg 520mcd, max 780mcd. Kusurwar gani (2θ1/2) ita ce 70-80° na Ja, 60-70° na Kore, da 75-85° na Shuɗi, tana tabbatar da ɗaukar hoto mai faɗi.

2.2 Matsakaicin Ƙimar Cikakkiya

A Ts=25°C, mafi girman ƙimar yana tabbatar da aiki mai aminci a ƙarƙashin yanayi mai tsanani: Mafi girman wutar gaba (IF): Ja 25mA, Kore 20mA, Shuɗi 20mA; Mafi girman wutar gaba ta kololuwa (IFP) 80mA ga dukkan launuka tare da zagayen aiki 1/10 da faɗin bugun 0.1ms. Ƙarfin juyawa (VR) shine 5V. Zangon zafin aiki daga -30°C zuwa +85°C, zangon zafin ajiya daga -40°C zuwa +100°C. Iyakokin watsar da wuta (PD): Ja 60mW, Kore 68mW, Shuɗi 68mW. Ƙarfin jurewar wutar lantarki ta tsaye (ESD) (HBM) 1000V. Dole ne a kiyaye kada a wuce waɗannan ƙimar don guje wa lalacewa ta dindindin.

2.3 Halayen Zafi

Aikin LED ɗin ya dogara da zafin jiki. Ƙarfin wutar gaba yana raguwa yayin da zafin jiki ya ƙaru, yayin da ƙarfin haske ke raguwa. A yanayin zafi mai girma, ana buƙatar rage wutar gaba don kiyaye zafin haɗin gwiwa lafiya. Tsarin zafin tafiyar da sake haɗawa da aka ba da shawara yana tabbatar da haɗin gwiwa masu dogaro ba tare da damuwar zafi ba. Don aiki na dogon lokaci, zafin saman LED ɗin ya kamata ya kasance ƙasa da 55°C kuma zafin gubar ya kasance ƙasa da 75°C don kiyaye haske mafi kyau da tsawon rayuwa.

3. Tsarin Binning

Ana rarraba LED ɗin zuwa bins bisa ga ƙarfin haske (IV), ƙarfin wutar gaba (VF), da tsawon igiyar haske mai rinjaye (Wd). Binning yana tabbatar da daidaituwa a cikin batches don aikin nuni iri ɗaya. Lakabin ya ƙunshi lambobin bin da ke gano takamaiman ƙarfin haske, ƙarfin wutar lantarki, tsawon igiyar haske, da matakin wutar gaba. Abokan ciniki za su iya zaɓar bins masu dacewa bisa ga buƙatun aikace-aikacen su. Bayanan binning dalla-dalla ana ba da su akan lakabin samfurin da aka haɗe a kowane reel.

4. Bincike na Layukan Aiki

4.1 Ƙarfin Wutar Gaba vs. Wutar Gaba

Layukan yau da kullun sun nuna cewa yayin da ƙarfin wutar gaba ya ƙaru, wutar gaba ta tashi sosai. A 2.0V, wutar ja tana ~10mA; a 2.4V, tana kaiwa 20mA. Kore da Shuɗi suna da ƙofar ƙarfin wutar lantarki mafi girma. Waɗannan layukan suna taimaka wa masu ƙira su saita yanayin tuƙi daidai kuma su ƙidaya watsar da wuta.

4.2 Wutar Gaba vs. Ƙarfin Haske na Dangantaka

Ƙarfin haske na dangantaka yana ƙaruwa kusan daidai da wutar gaba har zuwa 30mA na Ja da 20mA na Kore/Shuɗi. Yin aiki a ƙananan wutar yana ƙara tsawon rayuwa kuma yana rage zafi, yayin da ƙarfi mafi girma yana ƙara haske amma dole ne ya kasance cikin matsakaicin iyaka.

4.3 Ƙarfin Haske vs. Zafin Muhalli

Ƙarfin haske yana raguwa yayin da zafin jiki ya tashi: a 85°C, ƙarfin haske na dangantaka ya faɗi zuwa kusan 0.6 na Ja da 0.5 na Kore/Shuɗi idan aka kwatanta da 25°C. Gudanar da zafi yana da mahimmanci a cikin tsararrun masu yawa.

4.4 Zafin Tafiyar da Sake Haɗawa vs. Rage Wutar Gaba

Sama da 25°C, dole ne a rage wutar gaba da aka yarda. A 85°C, Ja na iya jurewa 18mA, Kore/Shuɗi 15mA. Wannan ragewa yana hana zafi mai yawa kuma yana tabbatar da aminci.

4.5 Rarraba Bakan

Layukan bakan sun nuna kololuwar fitarwa: Ja a ~625nm, Kore a ~530nm, Shuɗi a ~465nm. Faɗin ƙunƙuntaccen bakan yana ba da gudummawa ga tsarkin launi da cikawa, mahimmanci ga nunin haske.

4.6 Kusurwar Radiyo

Tsarin jagora (X-X da Y-Y) yana nuna ɗaukar hoto mai faɗi. A ±45°, ƙarfin haske na dangantaka ya kasance sama da 70% ga dukkan launuka, yana tabbatar da rarraba haske iri ɗaya a cikin kusurwoyin gani.

5. Bayanin Injiniya da Marufi

5.1 Girman Kunshin

LED ɗin yana da tsawon 2.8mm (tsawo) x 2.7mm (faɗi) x 3.0mm (tsawo). Haƙuri suna ±0.1mm sai dai idan an lura. Ƙarƙashin kallo yana nuna pads guda shida: 1R+, 2R-, 3G+, 4G-, 5B+, 6B-. An nuna polarity a fili. Tsarin tafiyar da sake haɗawa da aka ba da shawara yana dacewa da shimfidar pad.

5.2 Tef ɗaukar kaya da Reel

Ana tattara abubuwan a cikin tef ɗaukar kaya tare da girma: nisa 4mm, faɗi 8mm, girman rami 3.0mm x 2.8mm x 1.1mm. Diamita na waje na reel 330.2mm, diamita na cibiya 79.5mm, tare da takamaiman haƙuri. Kowane reel yana ƙunshe da guda 2000.

5.3 Bayanin Lakabi

Lakabin da ke kan kowane reel ya ƙunshi lambar sashi, lambar lot, lambar bin (IV, VF, Wd, IF), yawa, da lambar kwanan wata. Wannan yana ba da damar ganowa kuma yana tabbatar da zaɓin bin daidai.

5.4 Marufi Mai Juriyar Damshi

Don kariya daga damshi, an rufe LED ɗin a cikin jakar aluminum mai hana tsatsa mai hana damshi tare da bushewa da katin nuna damshi. Idan mai nuna ya nuna damshi ≥30%, ana buƙatar gasa kafin amfani.

5.5 Akwatin Kwali

Ana tattara reels a cikin akwatunan kwali masu ƙarfi don sufuri. Ba a bayyana girman akwatin ba amma an tsara shi don hana lalacewa.

6. Jagorar Tafiyar da Sake Haɗawa da Haɗawa

6.1 Bayanin Tafiyar da Sake Haɗawa

Ana biyan tafiyar da sake haɗawa da aka ba da shawara bisa ga tsarin mara gubar na yau da kullun: preheat daga 150°C zuwa 200°C na daƙiƙa 60-120, hawa a ≤4°C/s zuwa zafin kololuwa 250°C (max), lokaci sama da 217°C (TL) bai wuce daƙiƙa 60 ba, sanyaya a ≤6°C/s. An yarda da sake haɗawa ɗaya kawai. Yi amfani da manna tafiyar da sake haɗawa na matsakaicin zafi. Kada a sanya damuwa na inji yayin dumama. Bayan tafiyar da sake haɗawa, ƙyale samfurin ya yi sanyi zuwa zafin ɗaki kafin ɗauka.

6.2 Ƙarfe na Tafiyar da Sake Haɗawa

Idan tafiyar da sake haɗawa da hannu ya zama dole, kiyaye zafin ƙarfe ƙasa da 300°C kuma lokacin tuntuɓar ƙasa da daƙiƙa 3. An yarda da aikin tafiyar da sake haɗawa da hannu ɗaya kawai.

6.3 Gyara

Ya kamata a guje wa gyara bayan tafiyar da sake haɗawa. Idan babu makawa, yi amfani da ƙarfe mai kai biyu kuma a fara tabbatar da cewa halayen LED ɗin ba za su lalace ba.

6.4 Tsaftacewa

Fi son manna tafiyar da sake haɗawa mara tsaftacewa; idan ana buƙatar tsaftacewa, yi amfani da isopropyl alcohol (IPA). Kada a yi amfani da tsaftacewa ta ultrasonic. Gwada kowane sauran ƙarfi a gaba don tabbatar da cewa ba ya lalata LED ɗin.

6.5 Kiyaye Ajiya da Mu'amala

Marufin da ba a buɗe ba yana da rayuwar shayarwa na shekara ɗaya idan an adana shi a ≤30°C da ≤60% RH. Bayan buɗewa, tafiyar da sake haɗawa cikin sa'o'i 24 ko adana a ≤30°C da ≤10% RH. Yanayin gasa: 65±5°C na sa'o'i 24 (idan mai nuna damshi ya nuna ≥30% ko lokaci ya wuce). Don ajiya mai tsawo (watanni 2-6 ko fiye da watanni 6), gasa na sa'o'i 24 ko 48 bi da bi. Koyaushe sanya mundaye masu hana tsatsa kuma tabbatar da haɗin kayan aiki. Ka guji tuntuɓar fuskar epoxy kai tsaye don hana lalacewar kewayawa na ciki.

7. Bayanin Marufi da oda

Marufi na yau da kullun: guda 2000 a kowane reel. Girman tef ɗaukar kaya da reel sun bi ka'idojin EIA. Lakabin ya ƙunshi lambar sashi, lambar lot, yawa, da bayanin bin. Ya kamata oda su ƙayyade lambobin bin da ake buƙata don ƙarfin haske, ƙarfin wutar lantarki, da tsawon igiyar haske idan an buƙata. Matsakaicin adadin oda na iya aiki.

8. Bayanin Aikace-aikace

Wannan LED ya dace da nunin bidiyo na waje mai cikakken launi inda ake buƙatar haske da bambanci mai girma. Farin marmara yana rage haske, yana inganta karantawa a cikin hasken rana kai tsaye. Don hasken ado na ciki, kusurwar gani mai faɗi yana tabbatar da haske iri ɗaya. A aikace-aikacen nishaɗi, ƙimar IPX6 yana ba da damar haɗuwa da ruwan sama da feshi. Masu ƙira ya kamata su tabbatar da zubar da zafi mai kyau, musamman a cikin tsararrun masu yawa, don kiyaye zafin sama ƙasa da 55°C. Yi amfani da direbobin wutar lantarki akai-akai don kiyaye haske mai tsayayye. Ana ba da shawara ga kariya daga juyawar wutar lantarki: LED ɗin na iya jurewa har zuwa 5V juyawa, amma ci gaba da juyawa na iya haifar da lalacewa. Don aminci, kiyaye ƙarfin juyawa ƙasa da 10V a cikin ƙirar kewayawa.

9. Kwatanta Fasaha

Idan aka kwatanta da daidaitattun LED masu cikakken launi masu haske, wannan sigar farin marmara tana ba da bambanci mafi girma da ƙarancin haske, yana mai da shi mafi kyau ga bangon bidiyo masu inganci. ƘunƘuntattun bins na tsawon igiyar haske (misali Ja 617-628nm) suna ba da ja mafi cikawa fiye da masu fafatawa da faɗin bin. Ƙarfin haske mai girma (har zuwa 5200mcd kore) yana ba da damar ƙarancin wutar lantarki don hasken allo iri ɗaya. Ƙimar IPX6 wata fa'ida ce ta musamman ga aikace-aikacen waje, yayin da samfuran daidai da yawa kawai suna ba da IPX4 ko babu juriyar ruwa. MSL 5a yana ba da rayuwar ƙasa mai tsawo (sa'o'i 24) idan aka kwatanta da MSL 2a (sa'o'i 72) amma yana buƙatar kulawar damshi a hankali; wannan ciniki ne don ƙarin laushi na damshi.

10. Tambayoyin da Aka Yawaita

Tambaya: Zan iya tuƙi LED ɗin a 30mA ci gaba?A'a, mafi girman wutar gaba cikakkiya shine 25mA na Ja da 20mA na Kore/Shuɗi. Aiki ci gaba sama da waɗannan ƙimar zai lalata LED ɗin.

Tambaya: Menene rayuwa ta yau da kullun?Takardar bayanai ba ta bayyana ainihin rayuwa ba, amma bisa ga gwaje-gwajen aminci (sa'o'i 1000 a 85°C/85%RH, girgizar zafi, da sauransu), an tsara LED ɗin don tsawon rayuwa (>sa'o'i 50,000 a ƙarƙashin yanayin da aka ba da shawara).

Tambaya: Shin LED ɗin ya dace da bidiyo mai cikakken launi a manyan adadin sakewa?Ee, lokacin amsawa mai sauri na LEDs (<1μs) yana mai da su manufa don rage haske PWM har zuwa da yawa kHz.

Tambaya: Ta yaya zan fassara lambar bin a kan lakabin?Lambar bin ta ƙunshi sigogi huɗu: IV (zangon ƙarfin haske), VF (zangon ƙarfin wutar gaba), Wd (zangon tsawon igiyar haske mai rinjaye), da IF (wutar gwaji). Yi amfani da wannan bayanin don daidaita LEDs don nuni iri ɗaya.

Tambaya: Zan iya sake tafiyar da sake haɗawa sau biyu?A'a, an yarda da sake haɗawa ɗaya kawai. Sake haɗawa sau biyu na iya haifar da gazawar haɗin die ko lalacewar haɗin waya.

11. Nazarin Shari'a: Allon LED na Waje Yana Amfani da Wannan Na'ura

Wani masana'anta ya tsara allon LED na waje P6 mai cikakken launi ta amfani da matrix modules 8x8 na wannan LED. Farin marmara ya rage hasken rana, yana samun haske 5000 nits tare da bambanci mai kyau. Ƙimar IPX6 ta ba da damar aiki a yanayin ruwan sama ba tare da ƙarin potting ba. Bayan sa'o'i 2000 na gwajin rayuwa mai sauri a zafin muhalli 55°C, matsakaicin raguwar ƙarfin haske ya kasance ƙasa da 15%, yana tabbatar da aminci. ƘunƘuntattun bins na tsawon igiyar haske sun tabbatar da daidaiton launi a duk faɗin allon.

12. Ƙa'idar Aiki

Wannan LED na'urori ne na semiconductor bisa ga hasken lantarki na haɗin p-n. Kowane guntun launi (Ja: AlInGaP ko GaAsP, Kore/Shuɗi: InGaN) yana fitar da haske lokacin da aka tuƙi gaba. Tsawon igiyar haske yana ƙayyade ta bandgap na kayan semiconductor. Ja yana amfani da gami mai kai tsaye bandgap tare da ƙananan makamashi, yayin da Kore da Shuɗi ke amfani da indium gallium nitride mai makamashi mafi girma. Ana samun farin marmara ta hanyar maganin saman da ke watsa haske, yana rage haske ba tare da asarar inganci mai mahimmanci ba. Ƙirar kunshin ta ƙunshi kofin mai haske da ruwan tabarau na epoxy bayyananne (ƙarshen marmara) wanda kuma ke ba da kariya ta inji da juriyar damshi.

13. Halayen Ci gaba

Halayen masana'antu ga LEDs masu cikakken launi suna zuwa ƙananan kunshin tare da babban yawan pixels (misali 2.0x2.0mm don allon 4K), haske mafi girma a kowane die (samun >10,000mcd ga kore), da ingantacciyar juriyar yanayi (IPX8). Wannan kunshin 2.8x2.7x3.0mm yana wakiltar girman balagagge wanda ke daidaita sauƙin tafiyar da sake haɗawa da aikin gani. Haɗaka na gaba na iya mai da hankali kan ƙunƙuntattun bins na tsawon igiyar haske don ingantacciyar ɗaukar gamut launi (misali DCI-P3) da mafi kyawun gudanar da zafi don ba da damar manyan wutar tuƙi ba tare da tsufa da wuri ba. Amfani da silicone encapsulation maimakon epoxy yana ƙaruwa don mafi girman aminci a cikin mahalli masu tsanani.