Takardar Bayani na Fasaha na Nunin LED LTP-18088KD - Tsawon Inci 1.85 - Ja Mai Tsananin Haske (650nm) - Ƙarfin Lantarki na Gaba 2.6V - Ragewar Wutar Lantarki 40mW - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTP-18088KD wani na'ura ce ta nunin tsarin digo mai ƙarfi wacce aka tsara don aikace-aikacen da ke buƙatar bayyana bayanai na haruffa ko alamomi a sarari da haske. Babban aikinta shi ne samar da hanyar sadarwa ta gani mai dogaro da inganci.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

An gina wannan na'urar ne bisa wasu mahimman fa'idodi waɗanda suke bayyana filin aikace-aikacenta. Tana daƙarancin buƙatun wutar lantarki, wanda ya sa ta dace da na'urorin da ake amfani da baturi ko waɗanda ake kula da makamashinsu. Kyakkyawan bayyanar haruffadahaske mai girma & bambancisuna tabbatar da iya karantawa a cikin yanayi daban-daban na hasken muhalli, tun daga wurukan cikin gida masu duhu zuwa wurare masu haske. Faɗin kusurwar kalloyana ba da damar ganin bayanan da aka nuna a sarari daga wuraren da ba a kan axis ba, wannan yana da mahimmanci ga nunin bayanan jama'a ko kayan aikin masu amfani da yawa. A ƙarshe, dogaron ƙarfi, wanda ke cikin fasahar LED, yana ba da tsawon rayuwar aiki da juriya ga girgiza da rawar jiki idan aka kwatanta da nunin injina. Waɗannan fasalulluka sun sa ta zama cikakkiya don kayan aikin masana'antu, kayan aikin gwaji, tashoshin siyarwa, allunan bayanan sufuri, da sauran tsarin da aka haɗa waɗanda ke buƙatar nunin ƙarfi mai ƙarfi.

2. Zurfin Bincike na Ƙayyadaddun Fasaha

Ana siffanta aikin LTP-18088KD da cikakken saiti na sigogi na lantarki, na gani, da na injiniya.

2.1 Bayanin Na'ura da Fasaha

Nunin yana da tsayin matrix na inci 1.85 (47.0 mm) kuma an tsara shi azaman matrix digo 8 x 8. Yana amfani daguntuwar LED ta Aluminium Indium Gallium Phosphide (AlInGaP) Hyper Red. An ƙera waɗannan guntu a kantushen Gallium Arsenide (GaAs) marar ganuwa. Kunshin yana dafuskar baki tare da sassan fari, haɗin da ke ƙara haɓaka ma'aunin bambanci sosai ta hanyar ɗaukar hasken muhalli da sa sassan ja masu haske su fito fili.

2.2 Matsakaicin Matsakaicin Matsayi

Waɗannan ƙididdiga suna ayyana iyakokin damuwa waɗanda sama da su za a iya haifar da lalacewa ta dindindin ga na'urar. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba.

• Matsakaicin Ragewar Wutar Lantarki kowace Digo:40 mW
• Matsakaicin Ƙarfin Lantarki na Gaba kowace Digo:90 mA
• Ci gaba da Ƙarfin Lantarki na Gaba kowace Digo:15 mA (a 25°C), rage layi a 0.2 mA/°C sama da 25°C.
• Ƙarfin Lantarki na Baya kowace Digo:5 V
• Kewayon Yanayin Zafin Aiki:-35°C zuwa +85°C
• Kewayon Yanayin Zafin Ajiya:-35°C zuwa +85°C
• Zafin Solder:260°C na dakika 3, an auna inci 1/16 (kimanin 1.6mm) a ƙasa da filin zama.

2.3 Halaye na Lantarki & Na Gani (a T_A=25°C)

Waɗannan su ne sigogi na aiki na yau da kullun da aka garantinta a ƙarƙashin ƙayyadaddun yanayin gwaji.

• Matsakaicin Ƙarfin Hasken (I_V):1650 μcd (Mafi ƙanƙanta), 3500 μcd (Na yau da kullun) a I_P=32mA, Tsarin Aiki na 1/16.
• Matsakaicin Tsawon Tsawon Watsawa (λ_p):650 nm (Na yau da kullun) a I_F=20mA.
• Rabin Nisa na Layin Bakan (Δλ):20 nm (Na yau da kullun) a I_F=20mA.
• Matsakaicin Tsawon Tsawon (λ_d):639 nm (Na yau da kullun) a I_F=20mA.
• Ƙarfin Lantarki na Gaba kowace Digo (V_F):2.1V (Mafi ƙanƙanta), 2.6V (Na yau da kullun) a I_F=20mA; 2.3V (Mafi ƙanƙanta), 2.8V (Na yau da kullun) a I_F=80mA.
• Ƙarfin Lantarki na Baya kowace Digo (I_R):100 μA (Matsakaicin) a V_R=5V.
• Ma'aunin Daidaitawar Ƙarfin Hasken (I_V-m):2:1 (Matsakaicin) a I_P=32mA, Tsarin Aiki na 1/16. Wannan yana ƙayyade matsakaicin bambancin da aka yarda a cikin haske tsakanin mafi haske da mafi duhu digo a cikin matrix.

Lura: Auna ƙarfin haske yana bin lanƙwasa amsa ido na CIE (Hukumar Ƙasa da Ƙasa ta Eclairage) ta amfani da madaidaicin firikwensin da haɗin tacewa.

3. Bayanin Tsarin Rarraba

Takardar bayani tana nuna cewa na'uraran rarraba ta don ƙarfin haske. Wannan yana nufin ana gwada raka'o'i kuma a raba su (a cikin kwandon shara) bisa ga hasken da aka auna. Wannan yana ba masu zane damar zaɓar nunin da ke da matakan haske masu daidaito don bayyanar iri ɗaya a aikace-aikacensu, wannan yana da mahimmanci lokacin da ake amfani da nunin da yawa a gefe. Ma'aunin daidaitawa na 2:1 ya ƙara tabbatar da cewa a cikin nunin guda ɗaya, babu digo da ya fi wani haske sau biyu, yana tabbatar da daidaiton gani na haruffa ko zane-zanen da aka ƙirƙira.

4. Bincike na Lanƙwasa Aiki

Yayin da PDF ta yi nuni da lanƙwasa halaye na yau da kullun, bayanan lantarki/na gani da aka bayar suna ba da damar bincike. Ƙarfin lantarki na gaba yana nuna haɓaka da ake iya hasashe tare da halin yanzu (daga 2.6V na yau da kullun a 20mA zuwa 2.8V na yau da kullun a 80mA), wannan shine daidaitaccen halayyar LED. Matsakaicin tsawon tsawon 639 nm da kololuwa a 650 nm suna sanya wannan a cikin bakan ja mai tsanani, yana ba da tasirin gani mai girma. Faɗin kewayon yanayin zafi na aiki (-35°C zuwa +85°C) yana nuna ingantaccen aiki a cikin mawuyacin yanayi, ko da yake dole ne a rage ƙarfin lantarki na gaba a yanayin zafi mai girma kamar yadda ƙididdiga mafi girma suka nuna.

5. Bayanin Injiniya & Kunshin

5.1 Girman Kunshin da Iya Tari

Zanen injiniya yana ba da mahimman girma don ƙirar sawun PCB da haɗaɗɗen akwati. Wani muhimmin fasalin da aka haskaka shi ne cewa na'urarza a iya tari ta a tsaye da a kwance. Wannan yana nufin ƙirar injiniya ta ƙunshi fasalulluka (kamar gefuna masu lumshe ko takamaiman wuraren hawa) waɗanda ke ba da damar sanya nunin da yawa a kusa da juna don ƙirƙirar manyan nunin haruffa da yawa ko layi da yawa ba tare da gibi mara kyau ko matsalolin daidaitawa ba.

5.2 Haɗin Fil da Da'irar Ciki

Na'urar tana da tsarin fil 24. Teburin fitar fil yana bayyana aikin kowane fil a sarari: Anode don ginshiƙai da Cathode don layuka. An yiwa fil da yawa alama "BABU HAɗI" (N/C). Zanen da'irar ciki, na yau da kullun don nunin matrix, yana nuna LED 64 (8x8) an jera su tare da anodes ɗin su suna haɗe a cikin ginshiƙai kuma cathodes a cikin layuka. Wannan gine-ginen matrix na gama-gari yana rage adadin filolin direba da ake buƙata (16 don LED 64) amma yana buƙatar tuƙi da yawa.

6. Jagororin Solder & Taro

Babban umarnin taro da aka bayar shine don solder:260°C na dakika 3, an auna inci 1/16 a ƙasa da filin zama. Wannan shine daidaitaccen sigar bayanin yanayin sake kunnawa na solder. Dole ne masu zane su tabbatar cewa tsarin tarin PCB ɗin su ya bi wannan don hana lalacewar zafi ga guntuwar LED ko kunshin filastik. Dole ne kuma a mutunta kewayon yanayin zafin ajiya (-35°C zuwa +85°C) yayin sarrafawa da kafin haɗawa.

7. Shawarwarin Aikace-aikace

7.1 Yanayin Aikace-aikace na Yau da Kullun

Haɗin haske mai girma, faɗin kusurwar kallo, da ginin ƙarfi sun sa LTP-18088KD ta dace da:Allunan Sarrafa Masana'antu(alamomin matsayi, lambobin kuskure),Kayan Aikin Gwaji da Auna(karantawa, sandunan mashaya),Nunin Bayanan Jama'a(a cikin sufuri, allunan saƙo masu sauƙi),Kayan Lantarki na Masu Amfani(nunin kayan aikin sauti, matsayin kayan aiki), daƘirar Ƙira & Kayan Koyarwa.

7.2 Abubuwan da Ake La'akari da Zane

• Da'irar Tuƙi:Dole ne a yi amfani da direbobi na halin yanzu na yau da kullun ko masu iyakance halin yanzu da suka dace don kowane ginshiƙi/layi don saita ƙarfin lantarki na gaba (misali, 20mA don haske na yau da kullun).
• Yawan Aiki:Matrix yana buƙatar tuƙi da yawa. Dole ne mai sarrafawa ya zagaya cikin layukan (ko ginshiƙai) da sauri don guje wa kyan gani (yawanci >100Hz). Matsakaicin halin yanzu kowace digo (90mA) yana ba da damar mafi girma halin yanzu mai ƙarfi yayin yawan aiki don cimma matsakaicin haske da ake so.
• Lissafin Wutar Lantarki:Tare da digo 64, matsakaicin matsakaicin wutar lantarki na 40mW kowace digo, da tsarin aiki da tsarin yawan aiki ya ayyana, dole ne a ƙididdige jimillar ragewar wutar lantarki na na'urar don tabbatar da isasshen sarrafa zafi.
• Kariya ta ESD:Kamar yadda yake tare da duk na'urorin semiconductor, yakamata a kiyaye matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa.

8. Kwatancen Fasaha & Bambance-bambance

Babban abin banbancewa ga LTP-18088KD shine amfani dafasahar AlInGaP (Hyper Red). Idan aka kwatanta da tsofaffin GaAsP ko daidaitattun LED GaP ja, AlInGaP tana ba da ingantaccen inganci mai haske sosai, yana haifar da mafi girma haske don irin wannan halin tuƙi, ko kuma irin wannan haske a ƙarancin wutar lantarki. Zanen fuskar baki/sassan fari yana haɓaka bambanci da inganci fiye da tsofaffin kunshin launin toka ko beige. Zanen sa mai tari yana da fa'ida ta injiniya don gina manyan nunin ba tare da katsewa ba.

9. Tambayoyin da Ake Yawan Yi (Dangane da Sigogi na Fasaha)

Q: Menene bambanci tsakanin Matsakaicin Tsawon Tsawon (650nm) da Matsakaicin Tsawon Tsawon (639nm)?

A: Matsakaicin tsawon tsawon shine madaidaicin madaidaicin ƙarfi a cikin bakan da aka watsa. Matsakaicin tsawon tsawon shine wurin launi da ake gani, wanda aka ƙididdige shi daga bakan da ayyukan daidaita launi na CIE. Don tushen launi ɗaya kamar wannan LED ja, suna kusa amma ba iri ɗaya ba.

Q: Ta yaya zan cimma matsakaicin ƙarfin haske na 3500 μcd?

A: Yanayin gwaji shinematsakaicin halin yanzu (I_P) na 32mA a tsarin aiki na 1/16. A cikin matrix mai layuka 8 da yawa, tsarin aiki na 1/8 ya fi kowa. Don cimma matsakaicin haske iri ɗaya, matsakaicin halin yanzu yayin lokacin aikinsa na iya buƙatar daidaitawa bisa tsarin aiki na direba da matsakaicin halin yanzu da ake buƙata kowace LED.

Q: Shin zan iya tuƙa shi da filin microcontroller na 5V kai tsaye?

A: A'a. Ƙarfin lantarki na gaba yana kusan 2.6V, kuma resistor mai iyakance halin yanzu wajibi ne. Haɗa 5V kai tsaye zai lalata LED saboda yawan halin yanzu. Bugu da ƙari, filayen microcontroller yawanci ba za su iya samar da/ɗaukar jimillar halin yanzu da ake buƙata don ginshiƙi ko layi gabaɗaya a cikin tsarin da yawa ba; direbobi na waje (transistors ko ƙwararrun IC direban LED) sun zama dole.

10. Misalin Zane da Amfani

Yanayi: Zana nunin lambobi mai sauƙi na lambobi 4 don ƙidaya.

Za a sanya nunin LTP-18088KD guda huɗu a gefe (wanda zanen tari ya sauƙaƙa). Za a yi amfani da microcontroller don sarrafa nunin. Tunda kowane matrix 8x8 na iya samar da lambobi masu iya ganewa, firmware na mai sarrafawa zai ƙunshi taswirar font. Microcontroller, ta hanyar jerin transistor na waje ko ƙwararren IC direban LED, zai yi yawan nunin. Zai zagaya cikin nunin huɗu (rarrabuwar lokaci) kuma a cikin kowane nunin, ya zagaya cikin layuka 8 (binciken layi). Za a saita matsakaicin halin yanzu kowace LED ta hanyar da'irar direba don cimma hasken da ake so, la'akari da jimillar tsarin aiki na yawan aiki (misali, 1/32 idan ana bincika nunin 4 * layuka 8). Dole ne a ƙididdige girman wutar lantarki don isar da matsakaicin halin yanzu gabaɗaya ga duk digo masu haske.

11. Gabatarwa da Ka'idar Aiki

LTP-18088KD tana aiki bisa ka'idarelectroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce kofa na diode a kan guntuwar LED ta AlInGaP, electrons da ramuka suna sake haɗuwa a yankin aiki, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na semiconductor AlInGaP yana ƙayyade ƙarfin bandgap, wanda ke ayyana tsawon tsawon (launi) na hasken da aka watsa—a wannan yanayin, ja mai tsanani. Guntuwar LED guda 64 an jera su a cikin matrix tare da ginshiƙan anode gama gari da layukan cathode gama gari. Ta hanyar zaɓin amfani da ƙarfin lantarki mai kyau zuwa takamaiman ginshiƙi (anode) da ƙasa takamaiman layi (cathode), kawai LED a mahadar wannan layi da ginshiƙin ke kunna. Ta hanyar jeri cikin sauri ta wannan tsari (yawan aiki), ana iya haskaka duk digo da ake so don samar da ingantaccen hoto.

12. Trends na Fasaha

Fasahar nunin tana ci gaba da haɓaka. Yayin da keɓaɓɓun matrix digo na LED kamar LTP-18088KD suka kasance masu dacewa don takamaiman aikace-aikacen da aka haɗa saboda ƙarfin su, sauƙi, da haske mai girma, ana lura da yawancin abubuwan da suka faru. Akwai motsi zuwana'urorin da ake hawa sama (SMD) jerin LEDdon mafi girma yawa da haɗawa ta atomatik.Haɗaɗɗun matrix direban LEDtare da masu sarrafawa da aka gina a ciki (kamar hanyoyin sadarwa na I2C ko SPI) suna sauƙaƙa rikitarwar zane. Don aikace-aikacen launi,matrix na LED RGBsun zama ruwan dare gama gari. Bugu da ƙari, a yawancin aikace-aikacen masu amfani, ƙananan na'urori na OLED ko TFT LCD suna maye gurbin matrix digo na LED monochrome inda ake buƙatar cikakkun zane-zane, launi, da ƙarancin wutar lantarki a cikin yanayin kullum. Koyaya, don aikace-aikacen da ke buƙatar matsanancin haske, tsawon rayuwa, faɗin kewayon zafin jiki, da sauƙi, nunin matrix digo na tushen AlInGaP suna ci gaba da riƙe matsayi mai ƙarfi.