Ƙayyadaddun LED RGB Cikakkun Launi - Girma 2.8x2.7x2.45mm - Wutar R:1.7-2.4V G/B:2.5-3.3V - Wutar 60/68mW kowane guntu

1. Bayyani Samfur

RF-W1SA27HS-M42 kunshin LED SMD cikakken launi ne da aka ƙera don aikace-aikace masu bambanci. Yana da saman baki cikakke don rage haske da kuma haɓaka bambanci a cikin nunin. Girman da ya dace na 2.8mm x 2.7mm x 2.45mm ya sa ya dace da shirye-shiryen pixel mai yawa.

1.1 Bayyani Gabaɗaya

Wannan LED ya haɗa da guntu uku daban-daban ja, kore, da shuɗi a cikin kunshin guda, yana iya samar da gamammiyar launi. An ƙera samfurin da kusurwar kallo mai faɗin digiri 110, yana tabbatar da fahimtar launi daidai a cikin masu kallo da yawa. An ƙididdige shi IPX6 don hana ruwa, yana da ƙarfi don shigarwa a waje. Matsayin damshin yana da 5a, yana buƙatar kulawa da adanawa da hankali. Bugu da ƙari, samfurin ya bi ka'idodin RoHS kuma yana dacewa da tsarin reflow mara gubar.

1.2 Fasaloli

• Kusurwar kallo mai faɗi sosai (110°)
• Hasken haske mai girma tare da lalacewar ƙarfi kaɗan
• Aminci mai kyau da tsawon rayuwar aiki
• Mai hana ruwa zuwa ma'aunin IPX6
• Matsayin damshin: 5a
• Ya bi RoHS kuma yana iya yin reflow mara gubar
• Gamammiyar saman matte

1.3 Amfanai

• Allon bidiyo na waje cikakkun launi
• Hasken ado na ciki da waje
• Wuraren nishaɗi da hasken nishaɗi
• Alamu gabaɗaya da dalilai na nunawa

2. Ma'aunin Fasaha

2.1 Halayen Lantarki da Gani (a Ts=25°C)

Tebur mai zuwa ya taƙaita mahimman ma'aunin lantarki da gani na kowane guntu launi:

Duk ma'aunin an auna su a IF = 20mA ga kowane guntu, sai dai in an lura da akasin haka. Hadaɗa ma'auni: ƙarfin gaba ±0.1V, tsawon kalar ±1nm, hasken haske ±10%.

2.2 Matsakaicin Matsakaicin Matsakaici (Absolute Maximum)

Dole ne a kula don tabbatar da cewa lalacewar ƙarfi bai wuce matsakaicin ƙima ba. Bai kamata a yi amfani da samfurin a yanayin da ya wuce waɗannan iyakokin ba.

2.3 Tsarin Rarraba

Ana rarraba LEDs zuwa bins bisa ga ƙarfin gaba (VF), hasken haske (Iv), da tsawon kalar (λD). Matsayin rarraba don hasken haske shine 1:1.3. Ga tsawon kalar, guntu ja suna da matakin bin na 5nm, yayin da kore da shuɗi suna da 3nm kowane bin. Label ɗin ya haɗa da lambar sashi, lambar lot, da lambobin bin don IV, VF, Wd, da IF.

3. Halayen Aiki

3.1 Ƙarfin Gaba da Gudanar Gaba

Hoto 1-6 yana nuna alaƙa tsakanin ƙarfin gaba da gudanar gaba ga kowane launi. Yayin da ƙarfin gaba ya ƙaru, gudanar gaba yana tashi ba tare da layi ba. Guntu ja yana da ƙarfin kofa mafi ƙanƙanta idan aka kwatanta da kore da shuɗi, daidai da ƙaramin ƙarfin gabanta.

3.2 Hasken Dangantaka da Gudanar Gaba

Hoto 1-7 yana kwatanta hasken dangantaka a matsayin aikin gudanar gaba. Hasken fitarwa yana ƙaruwa da gudanar gaba, amma saurin ƙaruwa yana raguwa a manyan gudanar saboda tasirin zafi.

3.3 Hasken Hasken da Zazzabin Muhalli

Hoto 1-8 yana nuna hasken dangantaka yayin da zazzabin muhalli ya canza daga -30°C zuwa 85°C. Hasken yana raguwa da tashin zazzabi, musamman ga guntu shuɗi. Gudanar da zafi daidai yana da mahimmanci don kiyaye aiki.

3.4 Zazzabin Solder da Gudanar Gaba

Hoto 1-9 yana nuna mafi girman gudanar gaba da aka yarda a zazzabin solder daban-daban. Manyan zazzabi suna rage mafi girman gudanar don guje wa zafi mai yawa na LED junction.

3.5 Rarraba Spectrum

Hoto 1-10 yana gabatar da haske na spectrum daidaitacce na guntu ja, kore, da shuɗi. Kololuwar ja tana kusan 620nm, kore kusan 530nm, shuɗi kusan 465nm. Spectrum ɗin suna da kunkuntar, suna ba da damar tsarkin launi mai kyau don aikace-aikacen nuni.

3.6 Tsarin Haske

Hotuna 1-11 da 1-12 suna nuna hasken haske da kusurwa a cikin hanyoyin X-X da Y-Y, bi da bi. LED yana nuna tsarin haske mai faɗi, kusan Lambertian tare da kusurwar rabin ƙarfi kusan digiri 55 daga al'ada, yana haifar da kusurwar kallo mai faɗin digiri 110 gabaɗaya.

4. Bayanin Injiniya

4.1 Girman Kunshin

Girman kunshin LED shine 2.8mm (tsawo) x 2.7mm (fadi) x 2.45mm (tsawo). Duk haƙuri ±0.1mm ne sai dai in an lura da akasin haka. Kunshin yana da jagorori shida: 1R+, 2R- don ja, 3G+, 4G- don kore, 5B+, 6B- don shuɗi. Alamar pin 1 tana kan kallon sama. Kallon ƙasa yana nuna pads na solder.

4.2 Polarity

An nuna polarity a Hoto 1-4. An nuna anode da cathode ga kowane launi a sarari. Ya kamata a haɗa da'irori na kariya baya a cikin zane don hana lalacewa.

4.3 Tsarin Solder

Hoto 1-5 yana ba da shirin pad solder da aka ba da shawarar. Ana ba da girma don ƙirar sawun PCB da ya dace. Bugu da ƙari, kunshin ya haɗa da gunkin manne (Hoto 1-6) don kare igiyoyin waya.

5. Marufi

5.1 Ƙayyadaddun Marufi

Ana shirya LEDs a cikin tsari na tef da reel tare da guda 10,000 kowane reel. An ƙayyade girman tef ɗin a Hoto 2-1, da girman reel a Hoto 2-2 (diamita na waje 400mm, diamita na ciki 100mm, fadin 12.4mm, da sauransu).

5.2 Label da Katangar Damshi

Kowane reel yana da label tare da lambar sashi, lambar lot, lambobin bin don hasken haske (IV), ƙarfin gaba (VF), tsawon kalar (Wd), gudanar gaba (IF), adadi (QTY) a dubunnan, da lambar kwanan wata. An rufe reel ɗin a cikin jakar foil ɗin aluminum mai hana static da damshi tare da desiccant da katin nuna danshi (HIC) don kiyaye matakan damshi kaɗan.

5.3 Akwatin Kwali

Ana shirya reels da yawa a cikin akwatin kwali don jigilar kaya. An bayar da girman akwatin a Hoto 2-5.

6. Aminci

6.1 Abubuwan Gwajin Aminci

Ana gwada samfurin a ƙarƙashin yanayin damuwa daban-daban bisa ga ƙa'idodin JEDEC: juriya ga zafin solder (260°C, sau 3), girgiza zafi (-40°C zuwa 100°C, hawan 500), juriya damshi (85°C/85%RH + reflow), ajiya a babban zazzabi (100°C, 1000h), ajiya a ƙananan zazzabi (-40°C, 1000h), rayuwar aiki a zazzabin ɗaki (25°C, 20mA, 1000h), gwajin rayuwa a babban zazzabi da damshi (85°C/85%RH, 10mA, 500h), ajiya a zazzabi da damshi (85°C/85%RH, 1000h), da gwajin rayuwa a ƙananan zazzabi (-40°C, 20mA, 1000h).

6.2 Ka'idojin Rashin aiki

Bayan gwajin aminci, ana yanke hukuncin LEDs bisa: canjin ƙarfin gaba ƙasa da 10%, gudanar baya ƙasa da 10μA, raguwar hasken haske matsakaici ƙasa da 30%, kuma babu lalacewa na inji (fashewa, delamination, matattun guntu).

7. SMT Reflow Solder

7.1 Bayanin Reflow

An nuna bayanin reflow na solder da aka ba da shawarar a Hoto 3-1 da Tebur 3-1. Ma'auni masu mahimmanci: ƙimar hawan ≤4°C/s, preheating daga 150°C zuwa 200°C na 60-120s, lokaci sama da 217°C (TL) ≤60s, mafi girman zazzabi 245°C na ≤10s, ƙimar sanyaya ≤6°C/s. Jimlar lokaci daga 25°C zuwa kololuwa ≤ minti 8. An yarda da reflow guda ɗaya kawai. Ana ba da shawarar yin amfani da manna solder matsakaicin zazzabi.

7.2 Solder da hannu da Gyara

Idan solder da hannu ya zama dole, yi amfani da baƙin ƙarfe na solder a zazzabi ƙasa da 300°C na ƙasa da daƙiƙa 3, kuma sau ɗaya kawai. Ya kamata a guji gyara, amma idan an buƙata, yi amfani da baƙin ƙarfe na solder mai kai biyu. Bayan solder, bar samfurin ya huce zuwa zazzabin ɗaki kafin a sarrafa shi.

7.3 Tsaftacewa

Kada a tsaftace da ruwa, benzene, ko thinner. Ana ba da shawarar isopropyl alcohol (barasa). Ka guji ruwa ionic mai ɗauke da chlorine (Cl) ko sulfur (S).

8. Tsare-tsare na Sarrafawa

8.1 Ajiya

Ya kamata a adana kunshin mai hana damshi a ≤30°C da ≤60% RH har zuwa watanni 6. Bayan buɗewa, dole ne a yi amfani da LEDs a cikin awanni 12 a cikin yanayi mai sarrafawa (≤30°C, ≤60% RH). Ya kamata a adana kayan da ba a yi amfani da su ba a ≤30°C da ≤10% RH kuma a gasa a 65±5°C na awanni 24 kafin amfani na gaba. Ga samfuran da suka jiƙa ko sun girmi watanni 6, lokacin gasa yana ƙaruwa (24-48h) ko komawa masana'anta.

8.2 Wutar Lantarki ta Static

Fitowar static na iya lalata LED, yana haifar da ƙaramin ƙarfin gaba ko babu haske. Duk kayan aiki da ma'aikata yakamata su kasance da ƙasa da kyau. Yi amfani da madauri, pads, da kwantena na anti-static.

8.3 Kariya daga Ƙarfin Baya

Gudanar baya yawanci ƙanana ne, amma yawan ƙarfin baya (sama da 5V) na iya ƙara gudanar leka da sauri kuma ya haifar da matsalolin ma'aunin gray a cikin nuni. Tsara don kiyaye ƙarfin baya ƙasa da 5V.

8.4 Gudanar da Zafi

Don tabbatar da tsawon rai, zazzabin saman LED ya kamata ya kasance ƙasa da 55°C, kuma zazzabin jagora ƙasa da 75°C a cikin aiki. Tsarin zafi na PCB da tazara suna da mahimmanci. Zazzabin junction ba dole ya wuce 115°C ba.

9. Shawarwarin Zane na Aikace-aikace

Yi amfani da direbobin wutar lantarki na dindindin ga kowane launi don kiyaye haske mai daidaituwa. Tabbatar cewa jimlar lalacewar ƙarfi bai wuce mafi girman ƙima ba. Lokacin amfani da matrix drive, guji ƙarfin baya yayin lokacin kashewa. Lalacewa na iya faruwa idan ba a yi amfani da LEDs na dogon lokaci ba; cire damshi kafin sake amfani. Don nunin haya, zaɓin bin yana tabbatar da daidaituwar launi. Ka guji yanayin da ke da hydrogen sulfide ko babban abun cikin gishiri.

10. Kwatancen Fasaha

Idan aka kwatanta da LEDs RGB na yau da kullun, wannan na'urar tana da saman baki cikakke wanda ke haɓaka bambanci ta hanyar rage haske daga kunshin. Matsayin IPX6 yana ba da kariya daga jajayen ruwa masu ƙarfi, yana sa ya dace da amfani a waje. Kusurwar kallo mai faɗin digiri 110 ta fi yawancin samfuran gasa waɗanda ke ba da digiri 90-100 kawai. Bugu da ƙari, matakin damshin 5a yana buƙatar kulawa mai hankali amma yana ba da damar dacewa da reflow mara gubar.

11. Tambayoyin da Aka Yi Yawa

Tambaya: Me ya ake buƙatar gasa kafin solder?
Amsa: Don cire damshin da kunshin ya sha, wanda zai iya haifar da fashewa yayin reflow, yana haifar da lalacewa a ciki.

Tambaya: Zan iya tuka dukkan launuka uku a cikakken gudanar a lokaci ɗaya?
Amsa: Dole ne a yi la'akari da mafi girman jimlar lalacewar ƙarfi. Yayin da kowane guntu zai iya aiki a mafi girman gudanar sa, zafin da aka haɗa zai iya wuce iyakokin zafi. Ana buƙatar heatsink mai dacewa da rage gudanar.

Tambaya: Ta yaya zan iya tabbatar da daidaituwar launi a cikin LEDs da yawa?
Amsa: Yi amfani da LEDs daga lambobin bin iri ɗaya don hasken haske da tsawon kalar. Takardar bayanan ta ƙayyade iyakokin rarraba don sauƙaƙe daidaitawa.

12. Nazarin Shari'a

A cikin babban shigar allon bidiyo na waje cikakken launi, an yi amfani da dubunnan waɗannan LEDs tare da tazarar pixel na 10mm. Saman baki cikakke ya inganta rabon bambanci sosai idan aka kwatanta da LEDs na al'ada masu saman gray, yana ba da damar karantawa mafi kyau a ƙarƙashin hasken rana kai tsaye. Matsayin IPX6 ya tabbatar da aiki mai aminci yayin hadari. Tare da gudanar da zafi da ya dace, allon ya cim ma haske sama da 5000 nits da tsawon rai fiye da sa'o'i 50,000.

13. Ka'idar Aiki

LEDs RGB suna haɗa guntu semiconductor uku waɗanda ke fitar da tsawon kalar daban-daban (ja: AlInGaP, kore da shuɗi: InGaN). Ta hanyar canza gudanar gaba ga kowane guntu, idon ɗan adam yana fahimtar ɗimbin launuka ta hanyar haɗa launi. Tsarin kunshin ya haɗa da kofin reflector da resin m don fitar da haske da kyau kuma ya cim ma tsarin hasken da ake so.

14. Hanyoyin Ci Gaban

Hanyar nunin LEDs na waje tana zuwa ga haske mafi girma, daidaituwar launi mafi kyau, da ingantaccen juriyar muhalli. Saman baki cikakke da matsayin IPX6 na wannan LED sun dace da buƙatun ingantaccen bambanci da juriyar yanayi. Ci gaba na gaba na iya haɗawa da kunshin mafi ƙanƙanta, inganci mafi girma, da haɗin kai tare da tsarin sarrafawa mai hankali.