Takardar Bayanin LTP-3362JR LED Display - Tsawon Lamba 0.3-inch - Ƙarfin Wutar Gaba 2.6V - Launi Mai Tsananin Ja - Takardar Fasaha

1. Bayanin Samfur

LTP-3362JR wani na'ura ne mai nuni da lambobi da haruffa guda biyu, wanda ke amfani da sassa 17 na LED. Babban aikinsa shine nuna haruffa da lambobi a sarari, mai haske, kuma mai amfani da ƙarfi. An gina na'urar ta amfani da ƙirar LED na zamani na AS-AlInGaP (Aluminum Indium Gallium Phosphide) Super Red, waɗanda aka girma akan tushen Gallium Arsenide (GaAs). Wannan fasaha tana da sananniyar samar da ingantaccen haske da tsaftar launi a cikin bakan ja. Tsarin gani yana da fuskar baki tare da faffadan farar sassa, yana ba da bambanci mai girma don ingantaccen karantawa a ƙarƙashin yanayin haske daban-daban. An rarraba nunin bisa ƙarfin haskensa, yana ba da damar zaɓi mai daidaito a aikace-aikacen da ke buƙatar haske iri ɗaya.

2. Cikakken Bayanin Ƙayyadaddun Fasaha

2.1 Halayen Hoto da Na Gani

Ana ayyana aikin gani a yanayin zafin muhalli (T_A) na 25°C. Babban ma'auni, Matsakaicin Ƙarfin Hasken (I_V), yana da ƙimar al'ada na 600 µcd lokacin da ake tuƙa shi da ƙarfin gaba (I_F) na 1mA a kowane sashe, tare da ƙayyadadden kewayon daga 200 µcd zuwa mafi girman ƙima. Ana auna fitowar haske ta amfani da firikwensin da tacewa da aka daidaita zuwa lanƙwan ido na CIE, yana tabbatar da cewa ƙimar ta dace da hangen nesa na ɗan adam. Halayen launi ana ayyana su ta hanyar Tsawon Tsawon Fitowar (λ_p) na 639 nm da Tsawon Tsawon Rinjaye (λ_d) na 631 nm, duk ana auna su a I_F=20mA, suna sanya fitarwa a cikin rukunin 'Super Red' sosai. Ana nuna tsaftar bakan ta hanyar Tsawon Rabin Layin Bakan (Δλ) na 20 nm. Matsakaicin Daidaiton Ƙarfin Hasken na 2:1 (matsakaici) yana tabbatar da ingantaccen daidaito a cikin haske tsakanin sassa daban-daban na nunin.

2.2 Ma'aunin Lantarki

Halayen lantarki suna ayyana iyakokin aiki da aikin al'ada. Ƙarfin Wutar Gaba (V_F) a kowane sashe yawanci 2.6V ne, tare da matsakaicin 2.6V, lokacin aiki a I_F=20mA. Ƙarfin Wutar Baya (I_R) a kowane sashe yana iyakance ga matsakaicin 100 µA lokacin da aka yi amfani da Ƙarfin Wutar Baya (V_R) na 5V. Waɗannan ma'auni suna da mahimmanci don ƙirar daidaitaccen da'irar iyakancewar ƙarfin lantarki a matakin tuƙi.

2.3 Matsakaicin Ƙimar Ƙima da La'akari da Zafi

Waɗannan ƙimar suna ƙayyade iyakokin da wanda lalacewa ta dindindin ga na'urar na iya faruwa. Ci gaba da Ƙarfin Gaba a kowane sashe an ƙididdige shi a 25 mA. Ana amfani da ƙimar rage ƙimar 0.33 mA/°C a sama da 25°C, ma'ana matsakaicin ƙarfin ci gaba da aka yarda yana raguwa yayin da zafin muhalli ya tashi don hana yin zafi sosai. Matsakaicin ƙarfin gaba a kowane sashe, don aikin bugun jini a cikin aikin 1/10 da faɗin bugun 0.1ms, shine 90 mA. Matsakaicin Ragewar Wutar Lantarki a kowane sashe shine 70 mW. Na'urar na iya jure Ƙarfin Wutar Baya na 5V a kowane sashe. Yanayin Aiki da Ma'ajiyar zafin jiki duka an ƙayyade su daga -35°C zuwa +85°C, suna nuna juriyar muhalli mai ƙarfi.

3. Tsarin Rarrabawa da Rarrabuwa

Takardar bayanin ta bayyana a sarari cewa an "Rarraba na'urar don Ƙarfin Haskensa." Wannan yana nuna tsarin rarrabawa inda ake rarraba sassan da aka kera zuwa ƙungiyoyi (kwantena) bisa ga aunanniyar fitowar haske a daidaitaccen gwajin gwaji. Wannan yana ba masu ƙira damar zaɓar nunin tare da matakan haske masu daidaito don aikace-aikacensu, yana hana bambance-bambance masu bayyana tsakanin sassa a cikin tsarin lambobi da yawa ko na'urori da yawa. Duk da cewa ba a ƙididdige takamaiman lambobin kwantena a cikin wannan ɓangaren ba, aikin yana tabbatar da aikin da ake iya tsinkaya.

4. Binciken Lanƙwan Aiki

Takardar bayanin tana nufin "Lanƙwan Halayen Lantarki / Na Gani na Al'ada" waɗanda ke da mahimmanci don fahimtar halayen na'urar a ƙarƙashin yanayin da ba daidai ba. Ko da yake ba a nuna takamaiman lanƙwan a cikin rubutun da aka bayar, irin waɗannan jadawalin yawanci sun haɗa da:

Ƙarfin Gaba vs. Ƙarfin Wutar Gaba (Lanƙwan I-V):Yana nuna alaƙar tsakanin ƙarfin lantarki da ke ratsa LED da ƙarfin wutar lantarki a cikinsa. Ba layi daya bane, kuma ƙarfin wutar lantarki na "gwiwa" shine inda fitowar haske ta fara bayyana sosai.
Ƙarfin Hasken vs. Ƙarfin Gaba:Yana kwatanta yadda fitowar haske ke ƙaruwa tare da ƙarfin lantarki, yawanci a cikin alaƙar kusa da layi daya a cikin kewayon aiki, kafin yuwuwar jikewa ko raguwar inganci a ƙarfin lantarki mai yawa.
Ƙarfin Hasken vs. Yanayin Zafin Muhalli:Yana nuna rage ƙimar zafi na fitowar haske; yayin da zafin jiki ya ƙaru, ingancin haske yawanci yana raguwa.
Rarraba Bakan:Jadawali da ke nuna ƙarfin haske da aka fitar a tsawon tsayin daban-daban, wanda ya ta'allaka ne a tsawon tsayin kololuwar 639 nm.
Waɗannan lanƙwan suna da mahimmanci don inganta yanayin tuƙi, fahimtar tasirin zafi, da tsinkayar aiki a ainihin yanayin aikace-aikace.

5. Bayanin Injiniya da Kunshin

Ana samar da LTP-3362JR a cikin daidaitaccen kunshin nunin LED. Babban ƙayyadaddun injiniya shine tsayin lamba na 0.3 inches (7.62 mm). An haɗa cikakken zanen girma a cikin takardar bayanin, tare da duk girmansu da aka bayar a millimita da daidaitattun ƙimar ±0.25mm sai dai idan an lura da haka. Wannan zanen yana da mahimmanci don shimfidar PCB (Kwandon Lantarki da aka Buga), yana tabbatar da cewa sawun ƙafa da tsarin ramuka sun dace da ƙirar ƙira na zahiri. Kunshin yana ɗauke da ƙungiyoyin lambobi guda biyu masu zaman kansu, kowannensu yana da nasa haɗin cathode na gama gari.

6. Haɗin Fil da Da'irar Ciki

Na'urar tana da tsarin fil 20. Tana amfani da tsarin gine-ginen cathode na gama gari mai yawa. Wannan yana nufin cewa lambobin biyu suna raba layukan anode na sassa iri ɗaya, amma kowane lamba yana da nasa filin cathode na musamman (Fil 4 don Lamba 1, Fil 10 don Lamba 2). Don haskaka takamaiman sashe akan takamaiman lamba, dole ne a tuƙa filin anode da ya dace sama (tare da iyakancewar ƙarfin lantarki da ya dace), yayin da filin cathode na wannan lamba ya ja ƙasa. Wannan dabarar haɗawa tana rage adadin layukan tuƙi daga 34 (sassa 17 x lambobi 2) zuwa 19 (anodes 17 + cathodes 2), yana sauƙaƙa da'irar hulɗa. Tsarin fil shine kamar haka: Fil 1 (Anode F), Fil 2 (Anode T), Fil 3 (Anode S), Fil 4 (Cathode Lamba 1), Fil 5 (Anode DP), Fil 6 (Anode G), Fil 7 (Anode R), Fil 8 (Anode D), Fil 9 (Anode E), Fil 10 (Cathode Lamba 2), Fil 11 (Anode B), Fil 12 (Anode N), Fil 13 (Anode A), Fil 14 (Babu Haɗi), Fil 15 (Anode H), Fil 16 (Anode P), Fil 17 (Anode C), Fil 18 (Anode M), Fil 19 (Anode K), Fil 20 (Anode U). Zanen da'irar ciki yana wakiltar wannan tsarin haɗin haɗin gwiwa a zahiri.

7. Jagororin Solder da Taro

Sashen Matsakaicin Ƙimar Ƙima yana ba da mahimmin ma'aunin solder. Na'urar na iya jure zafin solder na 260°C na dakika 3, wanda aka auna 1/16 inch (kusan 1.59 mm) a ƙasan matakin zama. Wannan ƙayyadaddun ƙima ne na al'ada don hanyoyin solder na igiyar ruwa ko solder na hannu. Yin bin wannan bayanin lokacin-zafin jiki yana da mahimmanci don hana lalacewar zafi ga ƙirar LED, ɗaurin epoxy, ko haɗin waya na ciki. Don sake sake solder, daidaitaccen bayanin martaba mara gubar tare da matsakaicin zafin jiki kusan 260°C zai yi aiki, amma takamaiman tsawon lokaci a matsakaicin zafin jiki ya kamata a sarrafa shi. Ya kamata a koyaushe a bi hanyoyin sarrafa ESD (Fitowar Wutar Lantarki) yayin taro.

8. Shawarwarin Aikace-aikace

8.1 Yanayin Aikace-aikacen Al'ada

Wannan nunin ya dace da aikace-aikacen da ke buƙatar karantawar lambobi da haruffa masu haske, masu haske, da ƙanƙanta. Amfanin gama gari ya haɗa da:
•Kayan Aunawa da Aunawa:Multimeters na dijital, wutar lantarki, ƙididdiga mitar.
•Panels na Sarrafa Masana'antu:Nunin tsari, nunin ma'auni akan injina.
•Kayan Lantarki na Masu Amfani:Kayan aikin sauti (masu ƙara ƙarfi, masu karɓa), tsofaffin ƙirar ƙididdiga ko na'urorin hannu na musamman.
•Bayan Kasuwan Motoci:Ma'auni da kayan aikin nuni.
•Na'urorin Likita:Na'urorin saka idanu masu ɗaukar hoto inda ƙarancin wutar lantarki da tsabta suke da mahimmanci.

8.2 La'akari da Ƙira

1. Da'irar Tuƙi:Ana buƙatar da'irar tuƙi mai yawa. Ana iya aiwatar da wannan ta amfani da takamaiman IC ɗin tuƙin nunin LED (wanda sau da yawa ya haɗa da duba lambobi da ɓarna sassa) ko microcontroller tare da isassun fil ɗin I/O da software don sarrafa lokacin haɗawa.
2. Iyakancewar Ƙarfin Lantarki:Kowane layin anode dole ne ya sami resistor mai iyakancewar ƙarfin lantarki na jerin. Ana ƙididdige ƙimar resistor bisa ga ƙarfin wutar lantarki (V_CC), ƙarfin wutar gaba na LED (V_F~2.6V), da ƙarfin gaba da ake so (I_F). Misali, tare da samar da wutar lantarki 5V: R = (V_CC- V_F) / I_F= (5 - 2.6) / 0.02 = 120 Ω (don 20mA).
3. Mitar Haɗawa:Dole ne mitar dubawa ta yi yawa sosai don guje wa ƙyalli mai bayyana, yawanci sama da 60-100 Hz. Aikin kashi na kowane lamba shine 50% a cikin haɗin lambobi 2, don haka matsakaicin ƙarfin lantarki na iya zama mafi girma fiye da matsakaici don kiyaye haske (kamar yadda aka nuna ta hanyar ƙimar ƙarfin gaba).
4. Kusurwar Dubawa:Faɗin kusurwar dubawa yana da amfani ga aikace-aikacen da za a iya duba nunin daga wuraren da ba a kan axis ba.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambance-bambancen LTP-3362JR shine amfani da fasahar AlInGaP da takamaiman siffarsa. Idan aka kwatanta da tsofaffin LED ja na GaAsP (Gallium Arsenide Phosphide), AlInGaP yana ba da ingantaccen haske sosai, yana haifar da nunin masu haske don ƙarfin lantarki iri ɗaya, ko daidaitaccen haske a ƙarancin wutar lantarki. Tsayin lamba na 0.3-inch da tsarin lambobi biyu, sassa 17 sun sa ya zama takamaiman mafita ga buƙatun nunin lambobi da haruffa masu ƙanƙanta, sabanin manyan nunin, nunin lambobi kawai na sassa 7, ko nunin matrix ɗigo. Tsarin cathode na gama gari daidai ne amma dole ne a dace da daidaitaccen polarity na direba.

10. Tambayoyin da ake yawan yi (Bisa Ƙayyadaddun Fasaha)

Q: Shin zan iya tuƙa wannan nunin tare da ƙarfin lantarki na DC akai-akai ba tare da haɗawa ba?
A: I, amma ba shi da inganci dangane da amfani da fil. Za ku buƙaci haɗa duk cathodes tare kuma ku tuƙa kowane fil ɗin anode 17 daban, yana buƙatar haɗin gwiwa 18 gabaɗaya. Haɗawa shine hanyar da aka yi niyya kuma mafi inganci.

Q: Menene bambanci tsakanin Tsawon Tsawon (639 nm) da Tsawon Tsawon Rinjaye (631 nm)?
A: Tsawon Tsawon shine tsawon tsayin da mafi girman ƙarfin hasken fitarwa ya kasance. Tsawon Tsawon Rinjaye shine tsawon tsayin hasken launi ɗaya wanda ya dace da launin da ake ganin LED. Ƙananan bambanci na al'ada ne saboda siffar bakan fitarwa.

Q: Matsakaicin ƙarfin ci gaba shine 25mA, amma yanayin gwaji don V_Fshine 20mA. Wanne ya kamata in yi amfani da shi don ƙira?
A: 20mA daidaitaccen yanayin gwaji ne kuma wurin aiki mai aminci, na al'ada wanda ke ba da haske mai kyau. Kuna iya ƙira don 20mA a kowane sashe. Yin aiki a matsakaicin matsakaicin 25mA yana yiwuwa amma baya barin gefe don kuskure kuma yana ƙara rage wutar lantarki.

Q: Ta yaya zan cimma matsakaicin ƙarfin haske na 600 µcd?
A: Ana ba da ƙimar al'ada a I_F=1mA. Don cimma wannan matakin haske a cikin aikace-aikacen da aka haɗa, za ku yi amfani da ƙarfin bugun jini mafi girma. Misali, a cikin haɗin lambobi 2 (aikin kashi 50%), kuna iya tuƙa kowane sashe tare da ƙarfin bugun jini na 2mA don cimma matsakaicin ƙarfin lantarki na 1mA don haka hasken al'ada.

11: Misalin Ƙira da Amfani

Yanayi: Ƙirar karatun ƙarfin wutar lantarki mai sauƙi na lambobi 2 don samar da wutar lantarki na benci.
1. Zaɓin Microcontroller:Zaɓi microcontroller tare da aƙalla fil ɗin I/O na dijital 19 (ko ƙasa da shi tare da rajistar motsi na waje ko faɗaɗa tashar jiragen ruwa).
2. Ƙirar Tsari:Haɗa fil ɗin anode 17 na LTP-3362JR zuwa microcontroller ta hanyar resistors 17 masu iyakancewar ƙarfin lantarki (misali, 120Ω don aikin 5V/20mA). Haɗa filayen cathode gama gari biyu zuwa ƙarin fil ɗin microcontroller guda biyu masu iya nutse da jimillar ƙarfin lamba (har zuwa sassa 17 * 20mA = 340mA kololuwa a kowane lamba). Waɗannan filaye na iya buƙatar direbobin transistor.
3. Haɓaka Firmware:Rubuta firmware wanda ke aiwatar da katsewar timer a, misali, 200 Hz. A cikin aikin hidimar katsewa:
a. Kashe filayen cathode biyu (saita sama don cathode na gama gari).
b: Sabunta filayen anode don wakiltar sassan da ake buƙata don Lamba 1.
c: Kunna (saita ƙasa) filin cathode don Lamba 1.
d: Jira ɗan jinkiri.
e: Kashe cathode na Lamba 1.
f: Sabunta filayen anode don Lamba 2.
g: Kunna cathode na Lamba 2.
h: Maimaita.
4. Shimfidar PCB:Bi girman kunshin daga takardar bayanin don sawun ƙafa. Tabbatar da isassun faɗin guntun don layukan cathode masu ɗaukar ƙarfin lantarki mafi girma.

12. Ka'idar Aiki

LTP-3362JR yana aiki bisa ka'idar electroluminescence a cikin haɗin p-n semiconductor. Kayan semiconductor na AlInGaP yana da takamaiman ƙarfin bandgap. Lokacin da aka yi amfani da ƙarfin wutar lantarki wanda ya wuce kofa na haɗin (kusan 2.0-2.6V), electrons daga yankin n-type da ramuka daga yankin p-type ana shigar da su cikin yankin aiki. Lokacin da waɗannan masu ɗaukar caji suka sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman abun da ke cikin gawa na AlInGaP yana ƙayyade ƙarfin bandgap, wanda kai tsaye yake ƙayyade tsayin tsayin (launi) na hasken da aka fitar—a wannan yanayin, ja. Tsarin sassa 17 yana ba da damar samar da haruffa da lambobi ta hanyar haskaka nau'ikan haɗin waɗannan sassa daban-daban. Dabarar haɗawa tana amfani da dagewar hangen nesa na ɗan adam don sa lambobi biyu daban-daban na zahiri su bayyana suna haskakawa lokaci guda.

13. Trends na Fasaha

Yayin da nunin sassa na LED daban-daban kamar LTP-3362JR suka kasance masu dacewa don takamaiman, masu rauni farashi, ko aikace-aikacen haske mai girma, fasahar nuni mai faɗi ta samo asali. Akwai babban yanayi zuwa mafita haɗe-haɗe:
•Nunin OLED da AMOLED:Suna ba da mafi girman bambanci, sassauci, da siffofi masu siriri, suna mamaye kayan lantarki na zamani na masu amfani.
•Matrix ɗigo na LED Mai Girma da Micro-LED:Suna ba da ƙayyadaddun ƙayyadaddun bayanai da ikon launi cikakke don ƙarin zane-zane masu rikitarwa.
•Modules na Nuni Haɗe-haɗe:Sau da yawa suna haɗa jerin LED, direba IC, kuma wani lokacin microcontroller a cikin kunshin guda ɗaya tare da sauƙaƙan hulɗar dijital (I2C, SPI), yana sauƙaƙa ƙoƙarin ƙira sosai.
Fa'idodin dindindin na nunin sassa daban-daban kamar wannan sune sauƙinsu matuƙa, haske mai girma sosai da bambanci don wutar lantarki da aka cinye, ingantaccen tsawon rai, da ƙarancin farashi don ayyukan lambobi/lambobi na asali inda ba a buƙata keɓaɓɓen mu'amalar hoto ba. Fasaha ce balagagge, amintacce don masana'antu, kayan aikin kayan aiki, da aikace-aikacen musamman.