Cikakken Bayani na Full-Color RGB SMD LED RF-W1SA15IS-A44 - Girma 1.6x1.7x1.6mm - Voltage Forward R:1.7-2.4V G/B:2.4-3.2V - Rashin Wutar Lantarki 48mW a kowace Channel - IPX6 Hana Ruwa

1. Bayani na Samfurin

Wannan takarda ta ba da cikakken bayanin fasaha na full-color RGB SMD LED model RF-W1SA15IS-A44, wani na'urar anode gama da aka tsara don ayyukan nuni da haske mai inganci. LED ɗin yana da ƙaramin shiri wanda yake auna 1.6 mm x 1.7 mm x 1.6 mm, tare da fasahar tawada goge fuska wanda ke ba da babban bambanci da ƙarewa mara haske. An ƙididdige shi IPX6 hana ruwa, yana sa shi dace da yanayin waje. Na'urar ta bi ka'idodin RoHS kuma an tsara ta don sake haɗawa da Pb-free reflow. Matsayin damuwa na danshi shine 5a, yana buƙatar kulawa da ajiya mai kyau. Tare da kusurwar kallo mai faɗi sosai na 110° da ƙarfin haske mai girma, wannan LED ɗin ya dace da allon bidiyo na cikakken launi a waje, hasken ado na ciki da waje, aikace-aikacen nishaɗi, da amfanin gabaɗaya.

2. Sigogi na Fasaha da Halayen Lantarki

Halayen lantarki da na haske an ƙayyade su a Ts = 25°C. Samfurin yana ƙunshe da guntuwar LED masu zaman kansu guda uku: Red (R), Green (G), da Blue (B), ana tura su daban. Mahimman sigogi sun haɗa da forward voltage (VF), tsayin igiyar ruwa mai rinjaye, ƙarfin haske, reverse current, da bandwidth na bakan.

2.1 Forward Voltage (VF)

Guntun Red: VF min 1.7V, max 2.4V a IF = 10mA. Guntuwar Green da Blue: VF min 2.4V, max 3.2V a IF = 10mA (Green) da IF = 5mA (Blue). Waɗannan ƙimar suna tabbatar da dacewa da na'urorin tuki na gama gari. Ƙimar aunawa ita ce ±0.1V.

2.2 Tsayin Igiyar Ruwa Mai Rinjaye da Rarraba Launi

Kewayon tsayin igiyar ruwa: Red 617~628 nm (5 nm a kowane bin), Green 520~545 nm (3 nm a kowane bin), Blue 460~475 nm (3 nm a kowane bin). Ƙananan bin yana tabbatar da daidaiton launi a cikin tsarar samarwa. Bandwidth na bakan (Δλ) shine 24 nm na Red, 38 nm na Green, 30 nm na Blue.

2.3 Ƙarfin Haske (IV)

Ƙimar ƙarfin haske a gwajin igiyoyi: Red min 250 mcd, typ 420 mcd, max 715 mcd; Green min 680 mcd, typ 1150 mcd, max 1950 mcd; Blue min 70 mcd, typ 110 mcd, max 175 mcd. Rabon bin shine 1:1.3 ga dukkan launuka, yana ba da damar zaɓi don daidaiton haske. Ƙimar aunawa ita ce ±10%.

2.4 Reverse Current da Matsakaicin Matsayin Ƙarfafawa

Reverse current yana ≤6 μA a VR = 5V ga dukkan guntuwa. Matsakaicin matsayin ƙarfafawa: forward current Red 20 mA, Green 15 mA, Blue 15 mA; reverse voltage 5V; yawan zafin aiki -30°C zuwa +85°C; yawan zafin ajiya -40°C zuwa +100°C; rashin wutar lantarki 48 mW a kowace channel; yawan zafin junction 100°C; ESD (HBM) 1000V. Dole ne a kula kada a wuce waɗannan iyakoki.

3. Tsarin Bin

Ana binna LED ɗin ta forward voltage (VF), tsayin igiyar ruwa mai rinjaye (Wd), da ƙarfin haske (IV). Ana buga bayanan bin a kan lakabin samfurin tare da lambar sashi, lambar lot, da adadi. Wannan yana ba abokan ciniki damar yin odar takamaiman haɗuwa don daidaiton nuni. Kwatancen kewayon bins: VF bins na Red (misali, 1.7-1.9V, 1.9-2.1V, da sauransu), bins na tsayin igiyar ruwa bisa ga matakan 5nm/3nm, da bins na ƙarfi tare da rabo 1:1.3. Lakabin kuma ya haɗa da yanayin gwajin forward current (IF) da lambar kwanan wata.

4. Ƙididdiga na Aiki da Halayen Haske

Ƙididdigar ta ƙunshi wasu nau'ikan nau'ikan halayen haske waɗanda ke da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Forward Voltage vs. Forward Current (V-I Curve)

Ƙididdigar V-I tana nuna alaƙar ƙarfi ta yau da kullun na LEDs. Ga Red, a 10 mA VF yana kusa da 2.0V; ga Green da Blue, kusan 2.8V a 10 mA. Ƙididdigar tana baiwa masu ƙira damar hasashen canje-canjen igiyoyi tare da ƙananan bambance-bambancen ƙarfin lantarki.

4.2 Forward Current vs. Relative Intensity

Relative intensity yana ƙaruwa a layi tare da igiyar ruwa har zuwa iyakar matsayin. A 20 mA, Red yana kaiwa kusan 200% na relative intensity; Green a 20 mA yana kusan 150%; Blue a 10 mA yana kusan 120%. Wannan yana taimakawa wajen saita igiyar tuki don samun hasken da ake so.

4.3 Ƙarfin Haske vs. Zafin Yanayi

Ƙarfin haske yana raguwa yayin da zafi ya tashi. A 85°C, ƙarfin haske na Red yana raguwa zuwa kusan 80% na darajar 25°C, Green zuwa 70%, Blue zuwa 75%. Gudanar da zafi mai kyau yana da mahimmanci don ci gaba da daidaiton haske.

4.4 Zafin Solder vs. Rage Ƙarfafawa na Forward Current

Ƙididdigar ragewa tana nuna cewa a manyan zafin faifan solder, dole ne a rage matsakaicin igiyar forward da aka yarda. Misali, a 85°C, igiyar da aka ba da shawara ga Red ta ragu daga 20 mA zuwa kusan 12 mA, ga Green daga 15 mA zuwa 10 mA, ga Blue daga 15 mA zuwa 10 mA.

4.5 Rarraba Bakan da Kusurwar Kallo

Rarraba bakan yana nuna kololuwar tsayin igiyar ruwa a kusan 625 nm (Red), 530 nm (Green), da 470 nm (Blue). Ƙimar FWHM sun tabbatar da cikakkun launuka. Tsarin haske yana kusan Lambertian tare da rabin kusurwa na 110°, yana ba da haske mai faɗi daidai.

5. Bayani na Injiniya da Marufi

Girman LED ɗin an ƙayyade shi daidai tare da haƙuri na ±0.1 mm. Duban sama yana nuna alƙalan fil: Pin 1 shine anode gama (+), Pin 2 shine cathode Red (R-), Pin 3 shine cathode Green (G-), Pin 4 shine cathode Blue (B-). Na'urar tana da alamar polarity a sarari. Duban ƙasa yana nuna shimfidar faifan solder tare da tsarin solder da aka ba da shawara: girman faifai 0.7 x 0.5 mm don anode gama, 0.4 mm ga kowane launi. An ba da shawarar cika glue: tsayin cika dole ne ≥0.65 mm don kariya ta injiniya da hana ruwa. Ana ba da na'urar a cikin marufi na tape da reel: 15,500 pieces a kowane reel. An ƙayyade girman tef ɗin (pitch, girman rami). Girman reel: diamita na waje 400±2 mm, diamita na cibiya 100±0.4 mm. Lakabin ya ƙunshi dukkan bayanan bin da gano hanya. Ana amfani da jakar kariya ta danshi tare da bushewa da katin nuna danshi don kariya daga danshi. Akwatin kwali don jigilar kaya.

6. Jagororin Solder da Haɗuwa

Tsarin reflow solder yana da mahimmanci ga dogaro. Tsarin da aka ba da shawara: preheat daga 150°C zuwa 200°C na 60-120 seconds, hawan ≤4°C/s zuwa kololuwar zafi 245°C (max 10 seconds), sanyaya ≤6°C/s. An yarda da zagayowar reflow guda ɗaya kawai. Yi amfani da man solder na matsakaicin zafi. Ana ba da shawarar reflow nitrogen don guje wa oxidation. Solder da hannu: zafin iron ≤300°C na ≤3 seconds, sau ɗaya kawai. Ya kamata a guji gyara; idan ya zama dole yi amfani da iron mai kai biyu. Tsaftacewa: yi amfani da barasa; guji ruwa, benzene, thinner, da ruwayen ion da ke ƙunshe da Cl ko S. Bayan solder, sanyaya zuwa zafin daki kafin amfani.

7. Bayani na Marufi da Oda

Ana yin oda samfurin ta lambar sashi RF-W1SA15IS-A44. Adadin marufi: 15,500 pieces a kowane reel. Ana rufe reels a cikin jakar kariya ta anti-static tare da bushewa da katin danshi. Ana ba da girman akwatin kwali amma ba a ƙayyade shi a cikin PDF ba. Lakabin ya ƙunshi: lambar sashi (PART NO.), lambar lot (LOT NO.) gami da lambar injin tattara, lambar jerin, lambobin bin na IV, VF, Wd, IF, adadi (QTY), da lambar kwanan wata (DATE). Abokin ciniki ya kamata ya bayyana buƙatun bin lokacin yin oda.

8. Bayanan Aikace-aikace da La'akari da Tsari

An tsara wannan LED ɗin don allon bidiyo na cikakken launi a waje, hasken ado na ciki da waje, kayan nishaɗi, da alamomi na gabaɗaya. Mahimman la'akarin tsari: tabbatar da iyakance igiyar ruwa daidai (yi amfani da tuki na constant current), guje wa reverse voltage >5V, samar da sarrafa zafi mai kyau (zafin saman LED<55°C, zafin faifan solder<75°C, zafin junction<100°C). Ga manyan tsararru, yi la'akari da juriyar zafi na PCB da tazara. Na'urar tana da IPX6 hana ruwa, amma ana ba da shawarar ƙarin rufewa (cika glue) don amfani a waje. Don dogon dogaro, yi aiki a cikin ƙididdigar ragewa. A cikin yanayi mai yawan danshi, hydrogen sulfide, ko gishiri, rayuwa na iya raguwa. Lokacin fara kunna wutar bayan ajiya, fara da 20% na igiyar da aka yi niyya don rage danshi a hankali.

9. Kwatancen Fasaha da Samfuran Madadi

Idan aka kwatanta da daidaitattun RGB SMD LEDs (misali, 3528, 5050 packages), wannan na'urar 1.6x1.7x1.6mm tana ba da ƙaramin sarari, yana ba da damar yawan pixel mafi girma. Fasahar tawada goge fuska tana ba da mafi girman rabon bambanci (ƙarewa mara haske yana rage haske). Matsayin IPX6 ya bambanta tsakanin masu girman RGB LEDs; yawancin masu fafatawa suna ba da IPX4 kawai ko babu hana ruwa. Faɗin kusurwar kallo na 110° yana da gasa. Duk da haka, matsakaicin igiyar forward ya fi ƙanƙanta (20/15/15 mA) idan aka kwatanta da manyan marufi waɗanda za su iya ɗaukar manyan igiyoyi, don haka wannan na'urar ta fi dacewa da aikace-aikacen da ke buƙatar ƙananan pixels da yawa maimakon haske sosai a kowane pixel. Ƙananan ƙananan bins (5nm da 3nm) ya fi wasu madadi, yana tabbatar da mafi kyawun daidaiton launi.

10. Tambayoyin da Aka fi yawan Yi (bisa ga sigogin fasaha)

Tambaya 1: Zan iya tura guntuwar ja, kore, da shuɗi lokaci guda a matsakaicin igiyar ruwa?
A'a. Dole ne a rage ƙarfin wutar lantarki na marufi bai wuce 48 mW a kowace channel ba. Idan dukkan guntuwa uku suna aiki a matsakaicin igiyar ruwa lokaci guda (R 20mA, G 15mA, B 15mA), jimlar ƙarfin zai wuce matsayin. Dole ne ka iyakance haɗin igiyar ruwa ko amfani da PWM tare da ƙaramin zagayowar aiki don kasancewa cikin iyakokin zafi.

Tambaya 2: Menene shawarar yanayin ajiya kafin amfani?
Ajiye a cikin jakar kariya ta danshi ta asali a ≤30°C da ≤60% RH. Idan an buɗe jakar, yi amfani da shi cikin sa'o'i 12. Ya kamata a ajiye sassan da ba a yi amfani da su ba a ≤30°C da ≤10% RH, sannan a gasa a 65±5°C na awanni 24 kafin amfani na gaba.

Tambaya 3: Zan iya amfani da wannan LED ɗin tare da tuki na cathode gama?
A'a. Na'urar ita ce anode gama. Dole ne ka haɗa anode gama zuwa wutar lantarki mai inganci kuma ka tura kowane cathode tare da masu nutsewar constant current.

Tambaya 4: Yaya zan fassara lambar bin ƙarfin haske?
Ana ba da lambobin bin (misali, IV) a kan lakabin. Kowane bin yana rufe kewayon 1:1.3. Misali, idan ƙarfin haske na yau da kullun shine 420 mcd, kewayon bin na iya zama 420-546 mcd. Dole ne ka yi odar bins na musamman don daidaita haske a fadin nuni.

11. Shari'o'in Tsari na Aiki

Shari'a 1: Tsarin Nuni LED na Waje P8
Wani aikace-aikacen gama gari na wannan ƙaramin RGB LED shine a cikin allon waje mai girman pixel ≤8mm. Ta amfani da matrix pixel 16x16, kowane LED yana buƙatar samar da haske na 1000-2000 cd/m². Tare da igiyar tuki ta yau da kullun na 10mA a kowane launi, ja yana ba da ~420 mcd, kore ~1150 mcd, shuɗi ~110 mcd. Don samun daidaiton fari (misali, 6500K), dole ne a ƙara igiyoyin ja da shuɗi (amma an iyakance ta matsakaicin matsayin) yayin da aka rage kore ta PWM. Ƙaramin girman yana ba da damar tattarawa mai yawa. Cika glue mai kyau (≥0.65mm) yana tabbatar da yarda da IPX6.

Shari'a 2: Tsarin LED na ado na ciki
Ana iya amfani da LED ɗin a cikin tsiri masu sassauƙa don hasken ado. Tare da tuki na constant current a ƙaramin igiyar ruwa (misali, 2-5 mA), inganci ya fi girma amma haske ya fi ƙanƙanta. Faɗin kusurwar kallo yana ba da rarraba haske daidai. Ƙarewa mara haske yana kawar da wuraren haske. Ƙaramin girman na'urar yana ba da damar ƙirar tsiri mai kunkuntar.

12. Ka'idar Aiki na RGB SMD LED

Wannan LED ɗin shine na'urar shimfidar saman wanda ya haɗa guntuwar semiconductor daban-daban guda uku (ja, kore, shuɗi) a cikin marufi guda na epoxy. Kowane guntu yana fitar da haske ta hanyar electroluminescence lokacin da aka tura shi gaba. Tsarin anode gama yana nufin dukkan anode uku an haɗa su a ciki zuwa tashar gama mai inganci (pin 1). Cathodes sun bambanta. Ta hanyar sarrafa igiyar ruwa ta kowane guntu da kansa, ana iya samar da kowane launi a cikin gamut RGB. Ba a yi amfani da phosphor ba (fitarwa kai tsaye). An haɓaka rabon bambanci ta epoxy baƙi ko duhu mai ƙarewa mara haske wanda ke sha hasken da ke kewaye. Matsayin hana ruwa IPX6 ana samun shi ta cika glue wanda ke rufe rami na ciki.

13. Hanyoyin Fasaha da Tsammani na gaba

Hanyar da ake bi a cikin SMD RGB LEDs ita ce zuwa ƙarami marufi (misali, 1.5x1.5mm, 1.0x1.0mm) don nuni masu kyau sosai. Duk da haka, kiyaye ingancin haske mai yawa da faɗin kusurwar kallo a cikin ƙananan marufi yana da wahala. Wannan na'urar tana daidaita girman da aiki. Ci gaban gaba ya haɗa da inganci mafi girma (lm/W) ta hanyar ingantattun kayan guntu (misali, GaN akan Si don shuɗi/kore, AlInGaP don ja), mafi kyawun sarrafa zafi (misali, ƙarƙashin ƙasa na ceramic), da kariyar ESD da aka haɗa. An karɓi anode gama yana sauƙaƙa tsarin PCB amma yana iyakance dacewa da wasu masu tuki IC. Sababbin IC masu tuki suna tallafawa duka anode gama da cathode gama. Hana ruwa IPX6 yana zama daidaitaccen don alamomi na waje. Yayin da fasahar microLED ta girma, za ta iya maye gurbin SMD RGB LEDs na gargajiya a aikace-aikace masu daraja, amma farashi da yawan samarwa sun kasance shinge.