Takardar Bayanin Fasaha ta LTP-747KY - Nunin LED Mai Tsarin Digo 5x7 - Tsawon Lamba 0.7-inch - AlInGaP Mai Launin Amber Yellow - 2.6V na Gaba - 25mW na Rage Wutar Lantarki - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

LTP-747KY ƙaramin kayan aiki ne mai inganci, nunin LED mai tsarin digo 5 x 7 wanda aka tsara don aikace-aikacen da ke buƙatar fitar da haruffa ko alamomi masu bayyanawa. Babban aikinsa shine samar da bayanan gani a cikin na'urorin lantarki. Babban fa'idar wannan na'urar yana cikin amfani da ci-gaban fasahar semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntu na LED, wanda ke ba da ingantacciyar inganci da tsaftar launi idan aka kwatanta da tsofaffin fasahohi kamar GaAsP na yau da kullun. Kasuwar da aka yi niyya ta haɗa da kwamfutocin sarrafa masana'antu, kayan aikin ma'auni, kayan aikin likita, na'urorin lantarki na mabukaci, da kowane tsarin da aka haɗa wanda ke buƙatar amintaccen nunin bayanai mai ƙarancin wutar lantarki.

Nunin yana da tsayin lamba na 0.7 inches (17.22mm), yana ba da ingantaccen karantawa. An siffanta shi da sassa masu ci gaba daidai, yana tabbatar da bayyanar harafi mai daidaito da ƙwararru. Manyan abubuwan da aka haskaka a cikin takardar bayanin su ne ƙarancin buƙatun wutar lantarki, babban haske da bambanci, faɗin kusurwar kallo, da amincin ƙwaƙƙwaran jiki, wanda ke nufin dogon rayuwar aiki da dorewa a cikin yanayi daban-daban.

2. Zurfin Binciken Ƙayyadaddun Fasaha

2.1 Halayen Kayan Gani da Wuta

Aikin kayan gani da wuta shine tsakiyar aikin nunin. An auna shi a yanayin zafin muhalli (T_A) na 25°C, manyan ma'auni sune:

• Matsakaicin Ƙarfin Hasken (I_V):Wannan ma'auni yana ayyana hasken da ake gani na kowane digo mai haske. Ƙimar al'ada ita ce 3400 µcd (microcandelas) a ƙarƙashin yanayin gwaji na I_P=32mA tare da zagayowar aiki na 1/16. Mafi ƙarancin ƙayyadaddun shine 1650 µcd. Amfani da zagayowar aiki na 1/16 don aunawa daidai yake ga nunin da aka haɗa kuma yana nuna kololuwar halin yanzu a lokacin yanki na aikinsa.
• Halayen Tsawon Tsawon Zango:
  • Kololuwar Tsawon Zango na Fitowa (λ_p):595 nm. Wannan shine tsawon zango inda ƙarfin gani ya fi girma, yana sanya shi cikin yankin amber-yellow na bakan gani.
  • Mafi Rinjayen Tsawon Zango (λ_d):592 nm. Wannan shine tsawon zango guda ɗaya wanda ya fi dacewa da launin da idon ɗan adam ke gani na LED, ɗan ƙasa da kololuwar tsawon zango.
  • Rabin Faɗin Layin Bakan (Δλ):15 nm. Wannan yana nuna tsaftar bakan ko yaduwar hasken da aka fitar a kusa da kololuwar tsawon zango. Ƙimar 15 nm tana da kunkuntar gaske, tana ba da gudummawa ga cikakken, tsaftataccen launin amber-yellow.
• Matsakaicin Daidaitawar Ƙarfin Hasken (I_V-m):Matsakaici 2:1. Wannan ma'auni ne mai mahimmanci don daidaiton nunin. Yana ƙayyadaddun cewa hasken mafi duhun digo a cikin jeri ba zai zama ƙasa da rabin hasken mafi hasken digo ba, yana tabbatar da bayyanar daidaitacce a duk sassan harafi.

2.2 Ma'auni na Lantarki

Ƙayyadaddun lantarki suna ayyana iyakokin aiki da yanayi don amfani mai aminci da aminci.

• Ƙarfin Lantarki na Gaba kowane Digo (V_F):Yawanci 2.6V, tare da matsakaicin 2.6V a halin yanzu na gaba (I_F) na 20mA. Mafi ƙarancin shine 2.05V. Wannan ƙarfin lantarki yana da ƙasa, yana ba da gudummawa ga da'awar ƙarancin amfani da wutar lantarki.
• Halin Yanzu na Baya kowane Digo (I_R):Matsakaici 100 µA a ƙarfin lantarki na baya (V_R) na 5V. Wannan yana nuna matakin ɓarkewar halin yanzu lokacin da LED ke da karkatar da baya.
• Ma'auni na Halin Yanzu:
  • Kololuwar Halin Yanzu na Gaba kowane Digo:60 mA (cikakken matsakaici).
  • Matsakaicin Halin Yanzu na Gaba kowane Digo:13 mA (cikakken matsakaici a 25°C). Wannan ƙimar tana raguwa a layi daya a 0.17 mA/°C sama da 25°C, ma'ana halin yanzu na ci gaba da yarda yana raguwa yayin da zafin jiki ya tashi don hana yin zafi sosai.
• Matsakaicin Rage Wutar Lantarki kowane Digo:25 mW (cikakken matsakaici). Wannan shine matsakaicin wutar lantarki da kowane digo na LED zai iya watsar da shi a matsayin zafi cikin aminci.

2.3 Ma'auni na Zafi da Muhalli

Waɗannan ma'auni suna tabbatar da ƙarfin na'urar a cikin yanayin aiki daban-daban.

• Kewayon Zafin Aiki:-35°C zuwa +85°C. Wannan faɗin kewayon yana sa ya dace don amfani a cikin mawuyacin yanayi, daga sanyi mai daskarewa zuwa saitunan masana'antu masu zafi.
• Kewayon Zafin Ajiya:-35°C zuwa +85°C.
• Zafin Solder:Na'urar na iya jure zafin solder na 260°C na tsawon dakika 3 a nisan 1/16 inch (kusan 1.6mm) a ƙasan farfajiyar zama. Wannan ƙayyadaddun ƙa'ida ce don tsarin solder na igiyar ruwa ko sake kwarara.

3. Bayanin Injiniya da Marufi

3.1 Girman Jiki

Takardar bayanin ta haɗa da cikakken zanen girma na fakitin. Duk girmansun ana bayar da su a cikin milimita tare da matsakaicin juriya na ±0.25mm sai dai idan an ƙayyade su. Gabaɗayan girman, tazarar fil, da girmansun taga sassa an ayyana su a cikin wannan zanen, wanda yake da mahimmanci don shimfidar PCB (Allon Da'ira da aka Buga) da haɗa injiniya cikin akwatin samfur.

3.2 Haɗin Fil da Cikin Cikin Da'ira

Na'urar tana da tsarin fil 12. Tsarin fil kamar haka ne: Fil 1 (Anode Shafi 1), Fil 2 (Cathode Layi 3), Fil 3 (Anode Shafi 2), Fil 4 (Cathode Layi 5), Fil 5 (Cathode Layi 6), Fil 6 (Cathode Layi 7), Fil 7 (Anode Shafi 4), Fil 8 (Anode Shafi 5), Fil 9 (Cathode Layi 4), Fil 10 (Anode Shafi 3), Fil 11 (Cathode Layi 2), Fil 12 (Cathode Layi 1).

An ba da zanen da'ira na ciki, wanda ke nuna tsarin jeri na LED 35 (shafi 5 x layi 7). Kowane shafi yana da haɗin anode gama gari, kuma kowane layi yana da haɗin cathode gama gari. Wannan tsarin matrix shine tushen haɗawa, yana ba da damar sarrafa digo 35 guda ɗaya tare da fil 12 kawai, yana rage layukan I/O na microcontroller da ake buƙata sosai.

4. Binciken Lanƙwasa Aiki

Takardar bayanin tana nuni zuwa lanƙwasa halaye na lantarki/gani na yau da kullun. Duk da yake ba a yi cikakken bayani game da zane-zanen da aka bayar a cikin rubutun ba, daidaitattun lanƙwasa don irin wannan na'urar yawanci za su haɗa da:

• Halin Yanzu na Gaba da Ƙarfin Lantarki na Gaba (Lanƙwasa I-V):Wannan zanen yana nuna alaƙar da ba ta layi tsakanin ƙarfin lantarki da aka yi amfani da shi a kan LED da sakamakon halin yanzu. Yana da mahimmanci don ƙirar da'irar iyakance halin yanzu.
• Dangantakar Ƙarfin Hasken da Halin Yanzu na Gaba:Wannan lanƙwasa yana kwatanta yadda hasken LED ke canzawa tare da halin yanzu na tuƙi. Yawanci yana kan layi a kan kewayon amma zai cika a manyan halayen yanzu.
• Dangantakar Ƙarfin Hasken da Yanayin Zafin Muhalli:Wannan zanen yana nuna raguwar zafin fitar da haske. Yayin da zafin jiki ya karu, ingancin hasken LED gabaɗaya yana raguwa.
• Rarraba Bakan:Zanen dangantakar ƙarfi da tsawon zango, yana nuna lanƙwasa mai siffar kararrawa a tsakiya a kusa da 595 nm tare da ƙayyadaddun rabin faɗi na 15 nm.

Waɗannan lanƙwasa suna da mahimmanci ga injiniyoyi don inganta yanayin tuƙi don haske da ake so, inganci, da tsawon rai a ƙarƙashin takamaiman yanayin zafin aiki.

5. Shawarwarin Aikace-aikace

5.1 Yanayin Aikace-aikace na Yau da Kullun

LTP-747KY ya dace da aikace-aikacen da ke buƙatar ƙanƙanin, nunin lambobi masu yawa ko iyakantaccen haruffa. Misalai sun haɗa da:

• Kayan Aunawa da Aunawa:Mita na dijital masu yawa, ƙididdiga na mitar, wadatar wutar lantarki don nuna karatun.
• Sarrafa Masana'antu:Mitan panel don zafin jiki, matsa lamba, ƙimar kwarara, ko nunin mabambantan tsari akan injina.
• Kayan Lantarki na Mabukaci:Nuni don kayan aikin sauti (misali, mitar tuner), kayan aikin dafa abinci, ko tsofaffin kayan wasan lantarki.
• Na'urorin Likita:Sauƙaƙan nunin ma'auni akan masu saka idanu ko kayan aikin bincike inda aminci ya fi mahimmanci.

5.2 Abubuwan da Ya Kamata a Yi la'akari da su a Zane

• Da'irar Tuƙi:Sakamakon tsarin matrix ɗinsa, dole ne a haɗa nunin. Wannan yana buƙatar microcontroller ko ƙwararrun IC mai tuƙi wanda zai iya duba shafuka da layuka a mitar da ta isa (yawanci >100Hz) don guje wa flicker da ake iya gani. Ana tuƙi kowane anode na shafi a jere yayin da ake ja daidaitattun cathode na layi ƙasa don haskaka digo da ake so.
• Iyakance Halin Yanzu:Resistors masu iyakance halin yanzu na waje wajibi ne ga kowane layin shafi ko layi (ya danganta da tsarin tuƙi) don tabbatar da halin yanzu na gaba kowane digo bai wuce cikakken matsakaicin ƙima ba, musamman kololuwar halin yanzu. Lissafin dole ne ya yi la'akari da zagayowar aikin haɗawa (misali, 1/5 don matrix na shafi 5).
• Rage Wutar Lantarki:Dole ne a ƙididdige jimillar rage wutar lantarki na nunin dangane da adadin digo masu haske a lokaci guda, ƙarfin lantarki na gaba, da halin yanzu. Tabbatar da isasshen sarrafa zafi idan ana aiki kusa da matsakaicin ƙima ko a cikin yanayin zafi mai girma.
• Kusurwar Kallo:Faɗin kusurwar kallo yana da amfani ga aikace-aikacen da nunin zai iya kasancewa daga wuraren da ba su da axis.

6. Kwatancen Fasaha da Bambanci

Babban bambanci na LTP-747KY shine amfani da fasahar LED ta AlInGaP akan substrate na GaAs mara bayyanawa. Idan aka kwatanta da tsofaffin LED na GaAsP ja, AlInGaP yana ba da ingantaccen inganci na haske, ma'ana fitarwa mai haske don wannan ƙarfin lantarki na shigarwa. Launin amber-yellow (592-595 nm) yana ba da kyakkyawar bayyanawa kuma galibi ana ɗaukarsa cikin sauƙi a kan idanu fiye da ja mai tsabta a cikin yanayi mara haske. Fuskar launin toka tare da fararen digo tana haɓaka bambanci ta hanyar rage hasken muhalli da aka nuna daga wuraren da ba su da aiki na nunin, yana ƙara inganta karantawa. Rarraba don ƙarfin haske (an tsara shi) yana tabbatar da matsakaicin matakin haske wanda za a iya hasashen, wanda fa'ida ce fiye da sassan da ba a tsara su ba inda haske zai iya bambanta sosai.

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

Q: Me yasa matsakaicin ƙimar halin yanzu na gaba (13mA) ya zama ƙasa da yanayin gwaji na halin yanzu (20mA don V_F)?

A: Yanayin gwaji na 20mA shine daidaitaccen batu don auna ma'auni kamar ƙarfin lantarki na gaba. Matsakaicin matsakaicin ƙimar 13mA shine mafi girman halin yanzu na ci gaba da aka yarda kowane digo a ƙarƙashin yanayin aiki na yau da kullun don tabbatar da dogon lokacin aminci da kuma tsayawa cikin iyakokin rage wutar lantarki. A cikin aikace-aikacen da aka haɗa, halin yanzu na nan take a lokacin yanki na aiki na iya zama mafi girma (misali, 32mA kamar yadda I_Vgwaji), amma matsakaicin cikin cikakken zagayowar dole ne bai wuce 13mA ba.

Q: Me ake nufi da "1/16 Duty" a cikin yanayin gwaji na ƙarfin haske?

A: Yana nuna nunin an tuƙa shi a cikin yanayin haɗawa inda kowane takamaiman digo yana da ƙarfin wutar lantarki kawai na 1/16 na jimillar lokacin duba. Ana auna ƙarfin haske a lokacin wannan bugun jini na aiki. Wannan yana kwaikwayon yanayin aiki na gaske don nunin da aka haɗa.

Q: Ta yaya zan fassara Matsakaicin Daidaitawar Ƙarfin Hasken 2:1?

A: Wannan ma'auni ne na sarrafa inganci. Yana nufin cewa a cikin na'urar nunin guda ɗaya, mafi duhun digo zai kasance aƙalla rabin haske kamar mafi hasken digo. Ƙananan rabo (kusa da 1:1) yana nuna mafi kyawun daidaito. Rabon 2:1 ana karɓe shi don aikace-aikace da yawa, yana tabbatar da haruffa suna bayyana daidai da haske.

8. Misalin Zane da Amfani na Aiki

Yi la'akari da ƙirar ma'aunin zafin jiki mai sauƙi mai lamba 4 ta amfani da LTP-747KY. Za a buƙaci microcontroller don karanta firikwensin zafin jiki, canza ƙimar zuwa BCD (Binary-Coded Decimal) ko taswirar font na al'ada, da kuma tuƙi nunin. Tunda LTP-747KY module ne mai lamba ɗaya, za a sanya raka'o'i huɗu a gefe. Microcontroller zai buƙaci aƙalla fil 12 na I/O don sarrafa nunin guda ɗaya kai tsaye. Don sarrafa nunai huɗu yadda ya kamata (fil 48), za a faɗaɗa tsarin haɗawa: layukan shafi na duk nunai huɗu za a iya haɗa su a layi daya, kuma za a buƙaci layukan sarrafa layi daban-daban ga kowane nunin, ko akasin haka, ta amfani da haɗin zaɓin shafi da lamba (module). Madadin, ƙwararrun masu tuƙi na LED tare da hanyoyin haɗin kai (kamar SPI ko I2C) zasu sauƙaƙa ƙirar sosai, suna rage adadin fil na microcontroller da rikitarwar software. Dole ne a ƙididdige resistors masu iyakance halin yanzu dangane da ƙarfin wutar lantarki, ƙarfin lantarki na gaba na LED, da matsakaicin halin yanzu da ake so kowane digo, yana la'akari da zagayowar aikin haɗawa (misali, idan ana duba lambobi 4, zagayowar aikin kowane lamba shine 1/4).

9. Gabatarwa da Ka'idar Aiki

LTP-747KY yana aiki akan ka'idar electroluminescence a cikin haɗin p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba wanda ya wuce kofa na diode (kusan 2V don AlInGaP), electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki inda suke sake haɗuwa. A cikin LED na AlInGaP, wannan sake haɗuwa yana sakin makamashi da farko a cikin nau'in photons (haske) tare da tsawon zango da ya dace da ƙarfin bandgap na kayan, wanda aka ƙera shi ya kasance a cikin kewayon amber-yellow (kimanin 595 nm). Tsarin matrix 5x7 aiwatarwa ne mai amfani don samar da haruffa. Ta hanyar zaɓar haskaka takamaiman digo a cikin wannan grid, ana iya nuna kowane lamba, harafi, ko alama mai sauƙi. Tsarin matrix na anode gama gari, cathode gama gari zane ne na topological wanda ke rage adadin fil ɗin haɗin da ake buƙata, yana mai da fakitin ya zama ƙanƙani da arha don haɗawa.

10. Trends na Fasaha da Mahallin

Duk da yake nunin matrix na digo 5x7 mai zaman kansa kamar LTP-747KY ya kasance mai dacewa don takamaiman, ƙira masu rauni, ko ƙira na gado, babban trend a fasahar nunin ya koma ga mafita masu haɗaka. Aikace-aikacen zamani galibi suna amfani da OLED na zane, TFT LCDs, ko manyan, manyan allunan matrix na LED waɗanda ke ba da cikakkiyar iyawar zane, gamut launi mai faɗi, da sauƙin haɗawa ta hanyar bas ɗin dijital na yau da kullun. Duk da haka, don aikace-aikacen da ke buƙatar kawai sauƙi, mai haske, mai aminci sosai, da fitarwar harafi mai ƙarancin wutar lantarki a cikin yanayi mai yuwuwar tsanani, modules na matrix na digo na LED masu zaman kansu suna ba da fa'idodi daban-daban. Fasahar AlInGaP da aka yi amfani da ita a nan tana wakiltar tsarin kayan da ya balaga kuma mai inganci sosai don LED ja, orange, amber, da rawaya. Ci gaba na gaba a fasahar nunin yana mai da hankali kan ƙananan ƙira (micro-LEDs), substrates masu sassauƙa, da ma mafi inganci, amma ƙa'idodin asali na aiki da abubuwan da ya kamata a yi la'akari da su don tuƙi nunin matrix sun kasance daidai.