LTP-537JD LED Display Datasheet - Tsawon Lamba 0.5-inch - Launi Hyper Red - Ƙarfin Gaba 2.6V - Ragewar Wutar Lantarki 70mW - Takardun Fasaha na Hausa

1. Bayyani Game da Samfur

LTP-537JD wani na'ura ne mai inganci, nuni na lamba daya wanda aka tsara don aikace-aikacen da ke buƙatar bayyana lambobi da wasu haruffa a sarari da haske. Aikin sa na asali shine samar da bayyanar gani ta hanyar sassa da za a iya sarrafa su suka zana haruffa. An ƙera na'urar ne da nufin dogaro da ingantaccen aiki a cikin na'urorin masana'antu, kayan aikin ma'auni, da kuma na'urorin lantarki na gida.

Nunin yana amfani da ingantaccen kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don sassansa masu fitar da haske. An zaɓi wannan fasahar kayan ne musamman saboda ingancinta wajen samar da hasken ja mai ƙarfi. An ƙera guntun a kan wani abu marar wucewa GaAs (Gallium Arsenide), wanda ke haɓaka bambanci ta hanyar hana haske ya watse a ciki da kuma tunani, yana tura ƙarin hasken da aka fitar zuwa gaba ta sassan. Bayyanar gani tana da fuskar baki, wadda ke ƙara bambanci sosai ta hanyar ɗaukar hasken muhalli, tare da wuraren sassa fari waɗanda ke ba da damar hasken ja da aka fitar ya wuce, wanda ke haifar da haruffa masu kaifi a kan bangon duhu.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Fa'idodin farko na wannan nuni sun samo asali ne daga ƙirar sa na haske da lantarki. Amfani da LED na AlInGaP yana ba daƙarfin haske mai girmada ingantacciyar aiki a cikin bakan hasken ja. Tsarinfuskar baki da sassa fariwani muhimmin siffa ne don samun bambanci mai girma, yana sa nuni ya zama mai sauƙin karantawa a ƙarƙashin yanayin haske daban-daban, gami da hasken muhalli mai ƙarfi. Sassa nagaba ɗaya iri ɗayasuna tabbatar da bayyanar haruffa da aka ƙirƙira ta kasance mai daidaito da ƙwararru, ba tare da gaɓoɓi ko rashin daidaituwa a wuraren da aka haskaka ba.

An rarraba na'urar don ƙarfin haske, ma'ana ana gwada ko tantance raka'o'i don tabbatar da cewa sun cika ƙayyadaddun matakan haske, suna ba da daidaito a cikin samarwa. Tsarin sa nafaɗin kusurwar ganiyana tabbatar da iya karantawa daga wuraren da ba a kan axis ba, wanda ke da mahimmanci ga kayan aikin da aka ɗora a kan panel. Bukatar sa taƙarancin wutar lantarkia kowane sashe yana sa ya dace da aikace-aikacen da ake amfani da baturi ko masu kula da makamashi. A ƙarshe,dogaron sa na tsayayyeyana nuna tsawon rayuwar aiki ba tare da sassa masu motsi ba, mai jure girgiza da rawar jiki.

Kasuwar da ake nufi don wannan sashi ta haɗa da panel ɗin sarrafa masana'antu, kayan aikin gwaji da ma'auni, na'urorin likitanci, allunan motoci (don ƙarin nunin), tsarin siyarwa, da kayan aikin gida inda ake buƙatar lamba ɗaya don saituna, ƙidaya, ko alamomin yanayi.

2. Bincike Mai zurfi na Sigogi na Fasaha

Sigogi na lantarki da na gani suna ayyana iyakokin aiki da halayen aikin nuni. Fahimtar waɗannan yana da mahimmanci don ƙirar da'ira da haɗawa daidai.

2.1 Matsakaicin Matsakaici na Cikakke

Waɗannan ƙididdiga suna ƙayyadaddun iyakokin da wucewa da su zai iya haifar da lalacewa ta dindindin ga na'urar. Ba sharuɗɗan aiki na yau da kullun ba ne.

• Ragewar Wutar Lantarki a kowane Sashe:70 mW. Wannan shine matsakaicin wutar lantarki da za a iya zubar da ita azaman zafi ta hanyar sashen LED guda ɗaya a kowane yanayi. Wucewa da wannan zai iya haifar da zafi mai yawa da lalacewa cikin sauri ko gazawa.
• Matsakaicin Ƙarfin Gaba a kowane Sashe:90 mA. Ana ba da izinin wannan ne kawai a ƙarƙashin yanayin bugun jini tare da zagayowar aiki 1/10 da faɗin bugun 0.1 ms. Yana da amfani ga tsarin haɗawa da yawa ko samun haske mafi girma na ɗan lokaci.
• Ci gaba da Ƙarfin Gaba a kowane Sashe:25 mA a 25°C. Wannan shine matsakaicin ƙarfin da aka ba da shawarar don aiki akai-akai. An ƙayyade ma'aunin ragewa na 0.33 mA/°C, ma'ana matsakaicin ƙarfin ci gaba da aka ba da izini yana raguwa a layi daya yayin da zafin muhalli (Ta) ya tashi sama da 25°C don hana matsanancin zafi.
• Ƙarfin Juyawa a kowane Sashe:5 V. Yin amfani da ƙarfin juyawa mafi girma fiye da wannan zai iya rushe haɗin PN na LED.
• Yanayin Aiki da Ajiya:-35°C zuwa +85°C. An ƙididdige na'urar don yin aiki da ajiyewa a cikin wannan faɗin kewayon zafin jiki, wanda ya dace da yawancin muhallin da ba na matsananci ba.
• Zafin Solder:260°C na dakika 3 a inci 1/16 (kusan 1.6 mm) ƙasa da matakin wurin zama. Wannan yana ba da jagororin don hanyoyin solder na igiyar ruwa ko sake kwarara don guje wa lalata fakitin filastik ko haɗin ciki.

2.2 Halaye na Lantarki & Gani

Waɗannan su ne ƙimar yau da kullun da matsakaici/ƙarami a ƙarƙashin ƙayyadaddun yanayin gwaji (yawanci a Ta=25°C). Suna bayyana aikin na'urar yayin aiki na yau da kullun.

• Matsakaicin Ƙarfin Hasken (I_V):320 μcd (Mafi ƙanƙanta), 700 μcd (Na yau da kullun) a I_F=1mA. Wannan ma'auni ne na fitar da haske. Rarrabuwar da aka ambata a cikin siffofi yana yiwuwa ya rarraba na'urori bisa wannan ma'auni (misali, kwandon daidaitawa da na haske mai girma).
• Matsakaicin Tsawon Tsawon Tsawon (λ_p):650 nm (Na yau da kullun) a I_F=20mA. Wannan shine tsayin raƙuman ruwa wanda fitarwar bakan ta fi ƙarfi, yana sanya shi a cikin yankin hyper-red na bakan gani.
• Mafi rinjaye Tsawon Tsawon (λ_d):639 nm (Na yau da kullun) a I_F=20mA. Wannan shine tsayin raƙuman ruwa guda ɗaya wanda idon ɗan adam ya gane, yana ayyana launi. Bambanci tsakanin kololuwa da tsayin raƙuman ruwa ya samo asali ne saboda siffar fitarwar bakan.
• Rabin Faɗin Layin Bakan (Δλ):20 nm (Na yau da kullun) a I_F=20mA. Wannan yana nuna tsaftar bakan; ƙimar ƙaramar tana nufin haske mafi monochromatic. 20 nm na yau da kullun ne ga LED ja na AlInGaP.
• Ƙarfin Gaba a kowane Sashe (V_F):2.1V (Mafi ƙanƙanta), 2.6V (Na yau da kullun) a I_F=20mA. Wannan shine faɗuwar ƙarfin lantarki a kan LED lokacin gudana. Yana da mahimmanci don ƙirar da'irar iyakance ƙarfin lantarki. Dole ne ƙarfin wutar lantarki mai tuƙi ya fi wannan ƙima girma.
• Ƙarfin Juyawa a kowane Sashe (I_R):100 μA (Matsakaici) a V_R=5V. Wannan shine ƙaramin ƙarfin lantarki na yabo wanda ke gudana lokacin da LED ke juyawa a cikin matsakaicin ƙimar sa.
• Matsakaicin Daidaita Ƙarfin Hasken (I_V-m):2:1 (Matsakaici). Wannan yana ƙayyade matsakaicin rabo da aka ba da izini tsakanin mafi haske da mafi duhu a cikin na'ura guda ɗaya lokacin da ake tuƙa su a ƙarƙashin yanayi ɗaya (I_F=1mA). Rabo na 2:1 yana tabbatar da daidaito mai ma'ana a bayyanar.

Bayanan Ma'auni:Ana auna ƙarfin haske ta amfani da firikwensin da tacewa waɗanda suka kusanci lanƙwasa amsawar ido na CIE photopic, suna tabbatar da cewa ƙimar sun dace da hangen nesa na ɗan adam.

3. Bayanin Tsarin Binning

Takardun bayanan yana nuna cewa samfurin"an rarraba shi don ƙarfin haske."Wannan yana nuna tsarin binning ko rarrabuwa.

• Binning na Ƙarfin Hasken:Bayan kera, ana gwada nunin guda ɗaya don fitar da haske a matsakaicin ƙarfin lantarki na yau da kullun (mai yiwuwa 1mA ko 20mA). Sannan ana rarraba su cikin kwandon ko rukuni daban-daban bisa ga I_Vda aka auna. Misali, kwandon ɗaya na iya ƙunsar na'urori tare da I_Vtsakanin 320-500 μcd, kuma babban kwandon na iya ƙunsar na'urori daga 500-700 μcd. Wannan yana ba abokan ciniki damar zaɓar matakin daidaito wanda ya dace da aikace-aikacen su, yana tabbatar da daidaiton haske a cikin lambobi da yawa a cikin tsarin. Takardun bayanan yana ba da gabaɗayan kewayon min/na yau da kullun, amma takamaiman lambobin kwandon za su kasance wani ɓangare na cikakken bayanin oda.

4. Binciken Lanƙwasa Aiki

Duk da yake ba a yi cikakken bayani game da takamaiman jadawali a cikin rubutun da aka bayar ba, lanƙwasa na yau da kullun don irin wannan na'urar zai haɗa da:

• Ƙarfin Lantarki vs. Ƙarfin Gaba (Lanƙwasa I-V):Yana nuna alaƙar ma'auni. Ƙarfin gaba (V_F) yana ƙaruwa tare da ƙarfin lantarki (I_F). Lanƙwasa yana dogara da zafin jiki, tare da V_Fyana raguwa yayin da zafin haɗin ya tashi don takamaiman ƙarfin lantarki.
• Ƙarfin Hasken vs. Ƙarfin Gaba (I_Vvs. I_F):Gabaɗaya yana nuna haɓakar fitar da haske a layi daya ko ɗan ƙasa da na layi tare da haɓaka ƙarfin lantarki har zuwa wani lokaci, bayan haka inganci yana raguwa saboda tasirin zafi.
• Ƙarfin Hasken vs. Zafin Muhalli:Yana nuna yadda fitar da haske ke raguwa yayin da zafin muhalli (don haka haɗin) ya ƙaru. LED na AlInGaP suna da ingantaccen ma'auni mara kyau na zafin jiki don fitar da haske.
• Rarraba Bakan:Zane na ƙarfin dangi vs. tsawon raƙuman ruwa, yana nuna kololuwa a kusa da 650 nm da rabin faɗin kusan 20 nm, yana tabbatar da launin hyper-red.

Waɗannan lanƙwasa suna da mahimmanci don ƙirar direbobin da ke rama canje-canjen zafin jiki da kuma fahimtar halayen haske a ƙarƙashin yanayin aiki daban-daban.

5. Bayanin Injiniya da Marufi

5.1 Girman Marufi da ɗora

Na'urar tana da daidaitaccen fakitin nunin LED. Muhimman bayanan girma daga takardun bayanan sun haɗa da cewa duk girma suna cikin milimita, tare da daidaitattun ƙididdiga na ±0.25 mm (0.01") sai dai idan an ƙayyade akasin haka. An ayyana ainihin sawun ƙafa, tazarar jagora, tsayin lamba (12.7mm), da girman fakitin gabaɗaya a cikin zanen girma, wanda ke da mahimmanci don shimfidar PCB (Allon Da'ira da aka Buga) don tabbatar da dacewa da daidaito a cikin yankin da aka yanke.

5.2 Haɗin Fil da Polarity

LTP-537JDcathode gama garinuni ne. Wannan yana nufin duk sassa 18 (sassa 16 na haruffa da ma'anar goma a hannun dama) suna raba haɗin mara kyau gama gari (Cathode) akan Fil 18. Kowane sashe na musamman yana da nasa fil ɗin anode (Fil 1-17). Wannan tsari na yau da kullun ne kuma yana sauƙaƙa da'irorin direba masu haɗawa da yawa, inda ake sauya cathode gama gari zuwa ƙasa yayin da ake tuƙa anodes ɗin da ake so ta hanyar masu iyakance ƙarfin lantarki.

Pinout yana jera haɗin kowane fil a sarari, yana taswirar lambobin fil na zahiri zuwa ayyukan sassa (A, B, C, D, E, F, G, H, K, M, N, P, R, S, T, U, da D.P. don ma'anar goma). Zanen da'ira na ciki zai nuna wannan tsari na cathode gama gari.

6. Jagororin Solder da Haɗawa

Babban jagora da aka bayar shine don tsarin solder da kansa:260°C na dakika 3, wanda aka auna a wani wuri inci 1/16 (1.6 mm) ƙasa da matakin wurin zama na fakitin. Wannan sigar sake kwarara ce ta yau da kullun. Yana da mahimmanci a bi wannan don hana:

• Lalacewar zafi ga epoxy na filastik na fakitin, wanda zai iya haifar da canza launi ko fashewa.
• Yin zafi mai yawa ga haɗin waya na ciki wanda ke haɗa guntu na LED zuwa jagororin.
• Exposing the semiconductor die to excessive temperature.

Hakanan ya kamata a kiyaye ƙarin gargaɗi na gabaɗaya: guje wa matsin lamba na injiniya akan jagororin, amfani da ƙarin gargaɗi na ESD (Electrostatic Discharge) yayin sarrafawa, da adanawa a cikin yanayin da ya dace mara lantarki, bushewa a cikin ƙayyadaddun kewayon ajiya na -35°C zuwa +85°C.

7. Shawarwari na Aikace-aikace da Abubuwan Ƙira

7.1 Da'irorin Aikace-aikace na Yau da Kullun

Mafi yawan hanyar tuƙi ita cehaɗawa da yawa. Tunda na'urar cathode ce ta gama gari, microcontroller ko takamaiman IC mai tuƙa na iya zubar da ƙarfin lantarki ta hanyar fil ɗin cathode gama gari (Fil 18) yayin da yake fitar da ƙarfin lantarki zuwa takamaiman fil ɗin anode don sassan da ake buƙatar haskaka. Ana iya haɗa lambobi da yawa ta hanyar saurin zagayawa wanne cathode na lamba yake aiki yayin gabatar da bayanan sashe da suka dace akan layukan anode ɗin da aka raba. Wannan yana rage yawan fil ɗin microcontroller I/O da ake buƙata sosai.

A mai iyakance ƙarfin lantarki ya zama dolega kowane layin anode (ko direba mai ƙayyade ƙarfin lantarki). Ana ƙididdige ƙimar resistor ta amfani da Dokar Ohm: R = (V_wadata- V_F) / I_F. Yin amfani da V na yau da kullun_Fna 2.6V a 20mA da wadataccen wutar lantarki 5V: R = (5V - 2.6V) / 0.020A = 120 Ohms. Za a yi amfani da resistor na yau da kullun 120Ω. Ya kamata a duba ƙimar wutar lantarki na resistor: P = I²* R = (0.02)²* 120 = 0.048W, don haka resistor na yau da kullun 1/8W (0.125W) ya isa.

7.2 Abubuwan Ƙira

• Gudanar da Zafi:Duk da yake sassa ɗaya suna zubar da ƙaramin wutar lantarki (matsakaicin 70mW), dole ne a yi la'akari da zafin gama gari daga sassa masu haske da yawa ko aiki a babban zafin muhalli. Tabbatar da isasshen iska kuma yi la'akari da rage ƙarfin lantarki sama da 25°C.
• Kusurwar Gani da Bambanci:Faɗin kusurwar gani da ƙirar bambanci mai girma sun sa ya dace da panel ɗin inda mai amfani bazai kasance a gaban na'urar kai tsaye ba. Fuskar baki tana da fa'ida musamman a cikin muhallin haske mai yawa.
• Software don Samar da Haruffa:Ana buƙatar teburin nema a cikin firmware na microcontroller mai tuƙa don taswirar haruffan lambobi (misali, '0'-'9', 'A', 'C', 'E', 'F') zuwa haɗin daidai na sassa 16.

8. Tambayoyin da ake yawan yi (Bisa ga Sigogi na Fasaha)

Q1: Shin zan iya tuƙa wannan nuni kai tsaye daga fil ɗin microcontroller na 3.3V?

A: Mai yiwuwa, amma tare da rage haske. V na yau da kullun_Fshi ne 2.6V. A wadataccen wutar lantarki 3.3V, sararin samaniya na ƙarfin lantarki don mai iyakance ƙarfin lantarki shine 0.7V kawai (3.3V - 2.6V). Don cimma 20mA, kuna buƙatar resistor 35Ω (0.7V / 0.02A). Koyaya, ainihin V_Fzai iya zama ƙasa kamar 2.1V, wanda zai haifar da ƙarin ƙarfin lantarki tare da resistor ɗaya, mai yuwuwar wuce iyakoki. Ana ba da shawarar direba mai ƙayyade ƙarfin lantarki ko siffantawa mai kyau don tsarin 3.3V.

Q2: Menene bambanci tsakanin "kololuwa" da "mafi rinjaye" tsayin raƙuman ruwa?

A: Tsayin raƙuman ruwa shine kololuwar zahiri na bakan fitar da haske. Tsayin raƙuman ruwa mafi rinjaye shine tsayin raƙuman ruwa guda ɗaya na haske mai tsafta wanda zai bayyana yana da launi ɗaya da fitarwar LED ga idon ɗan adam. Saboda siffar bakan, sau da yawa sun bambanta kaɗan.

Q3: Ta yaya zan cimma matsakaicin haske?

A: Yi aiki a matsakaicinci gaba daƙimar ƙarfin lantarki na 25mA a kowane sashe (a 25°C na muhalli), yana tabbatar da zubar da zafi daidai. Kar a wuce iyakar zubar da wutar lantarki na 70mW. Don gajerun bugun jini, zaku iya amfani da matsakaicin ƙarfin lantarki na 90mA a ƙarƙashin ƙayyadaddun zagayowar aiki.

Q4: Me ya sa akwai matsakaicin daidaita ƙarfin haske?

A: Bambance-bambancen ƙira suna haifar da ɗan bambanci a cikin fitar da haske tsakanin sassa ko da a cikin ƙarfin lantarki ɗaya. Rabon 2:1 yana ba da garantin cewa a cikin na'ura ɗaya, babu wani sashe da zai fi wani haske sau biyu, yana tabbatar da daidaiton gani na hali.

9. Gabatarwar Fasaha da Trends

9.1 Fasahar LED ta AlInGaP

LTP-537JD yana amfani da kayan semiconductor na AlInGaP (Aluminum Indium Gallium Phosphide) don guntun LED ɗin sa. Wannan tsarin kayan yana da inganci musamman don samar da haske a cikin tsayin raƙuman ruwa na amber, ja, da hyper-red (kusan 590-650 nm). Idan aka kwatanta da tsofaffin fasahohi kamar GaAsP (Gallium Arsenide Phosphide), AlInGaP yana ba da ingantaccen inganci na haske (ƙarin fitar da haske a kowace wutar lantarki), ingantaccen kwanciyar hankali na zafin jiki, da tsawon rayuwa. Girman yadudduka na epitaxial akan wani abu marar wucewa GaAs substrate, kamar yadda aka yi amfani da shi a nan, hanya ce ta gama gari wacce ke inganta ingancin fitar da haske ta hanyar tunani hasken da aka fitar wanda in ba haka ba zai ɓace a cikin substrate ya koma saman guntu.

9.2 Mahallin Fasahar Nuni da Trends

Duk da yake nunin OLED da LCD na matrix ɗigo mai lamba yawa yanzu na yau da kullun don zane-zane masu rikitarwa, nunin LED masu rarrabuwa kamar LTP-537JD sun kasance masu dacewa sosai don aikace-aikacen da ke buƙatar dogaro mai ƙarfi, aikin faɗin kewayon zafin jiki, haske mai girma, sauƙi, da ƙaramin farashi don nuna lambobi da ƙayyadaddun tsari da haruffa masu sauƙi. Trend a cikin irin waɗannan nunin ba lallai ba ne zuwa ga ƙarin ƙuduri amma zuwa ga ingantaccen inganci (ƙarancin ƙarfin aiki don haske ɗaya), ingantattun rabon bambanci, faɗin kusurwar gani, da kuma wani lokacin haɗa na'urorin lantarki masu tuƙa a cikin fakitin. Ka'idar asali na electroluminescence a cikin haɗin PN semiconductor ya kasance ba canzawa, amma kimiyyar kayan da dabarun marufi suna ci gaba da haɓaka aikin su.