Bayanin Fasaha na LED na Bi-Color Top View 67-22 - Kunshin P-LCC-4 - 2.0V - Rawaya Mai Haske/Mai Kori - Takardun Fasaha na Hausa

1. Bayanin Samfurin

Jerin 67-22 yana wakiltar dangin LED na bi-color (masu launuka da yawa) top view waɗanda aka sanya su a cikin ƙaramin kunshin P-LCC-4. An ƙera waɗannan sassa a matsayin masu nuna alama na gani, suna da jikin kunshi fari da taga mai tsabta mara launi. Wani muhimmin fasalin ƙira shine haɗakar mai tara haske, wanda ke inganta haɗuwar haske kuma yana ba da damar faɗin kusurwar kallo, wanda ya sa waɗannan LED su fi dacewa musamman don aikace-aikacen bututun haske da hasken baya. Ƙarancin buƙatar wutar lantarki yana ƙara dacewarsu don kayan aikin hannu masu hankali ga wutar lantarki.

1.1 Fa'idodi na Asali da Kasuwar Da Ake Nufi

Babban fa'idodin wannan jerin LED ya samo asali ne daga ƙirar kunshinsa da zaɓin kayan aiki. Faɗin kusurwar kallo, wanda ke sauƙaƙe ta hanyar lissafin kunshi da mai tara haske, yana tabbatar da rarraba haske iri ɗaya, wanda ke da mahimmanci don aikace-aikacen nuna alama da hasken baya. Na'urar tana dacewa da kayan aikin sanyawa ta atomatik kuma ana samar da ita akan tef 8mm da reel, yana daidaita hanyoyin haɗawa masu yawa. Hakanan ba shi da gubar kuma an ƙera shi don bin umarnin RoHS. Kasuwannin da ake nufi sun haɗa da sadarwa (don masu nuna alama da hasken baya a cikin wayoyi da na'urorin faks), hasken baya na gabaɗaya don LCDs, maɓalli, da alamomi, da kowane nuni na gabaɗaya inda ake buƙatar amintaccen, ƙaramin wutar lantarki na gani.

2. Zurfin Binciken Sigogi na Fasaha

2.1 Ƙayyadaddun Ƙididdiga Mafi Girma

An ayyana iyakokin aiki na na'urar a ƙarƙashin takamaiman sharuɗɗa (Ta=25°C). Matsakaicin ƙarfin lantarki na baya (V_R) shine 5V. Ci gaba da gaba na gaba (I_F) ga duka nau'ikan guntu (UY da SYG) an ƙididdige shi a 25 mA, tare da kololuwar gaba na gaba (I_FP) na 60 mA da aka halatta a ƙarƙashin aikin 1/10 a 1 kHz. Matsakaicin ɓarnawar wutar lantarki (P_d) shine 60 mW ga kowane guntu. Na'urar na iya jure zubar da wutar lantarki (ESD) na 2000V (HBM). Kewayon zafin aiki (T_opr) daga -40°C zuwa +85°C, yayin da zafin ajiya (T_stg) ya faɗaɗa daga -40°C zuwa +95°C. Jagororin gishiri sun ƙayyade sake narkewar gishiri a 260°C na dakika 10 ko gishiri na hannu a 350°C na dakika 3.

2.2 Halayen Lantarki da Na Gani

Ana auna ma'auni na aiki a Ta=25°C da I_F=20mA. Don guntun UY (Rawaya Mai Haske), matsakaicin ƙarfin haske (I_V) shine 120 mcd (m. 80 mcd). Don guntun SYG (Rawaya Mai Kori Mai Haske), matsakaicin I_V shine 80 mcd (m. 50 mcd). Dukansu suna da matsakaicin kusurwar kallo (2θ1/2) na digiri 120. Guntun UY yana da matsakaicin kololuwar tsayin raƙuman ruwa (λp) na 591 nm da tsayin raƙuman ruwa mai rinjaye (λd) na 589 nm. Guntun SYG yana da matsakaicin λp na 575 nm da λd na 573 nm. Dukansu suna da matsakaicin faɗin raƙuman ruwa (Δλ) na 20 nm. Ƙarfin lantarki na gaba (V_F) ga duka nau'ikan yawanci yana auna 2.0V, tare da kewayon daga 1.7V zuwa 2.4V. Matsakaicin ƙarfin lantarki na baya (I_R) shine 10 μA a V_R=5V.

3. Bayanin Tsarin Rarraba

Samfurin yana amfani da tsarin rarraba don rarraba mahimman sigogi, yana tabbatar da daidaito a cikin ƙirar aikace-aikace. Ana nuna wannan ta lambobi akan lakabin samfurin. Lambar CAT tana nufin Matsayin Ƙarfin Haske, yana rarraba LED bisa ga ƙimar fitowar haske da aka auna. Lambar HUE tayi daidai da Matsayin Tsayin Raƙuman Ruwa Mai Rinjaye, yana rarraba LED ta takamaiman wurin launi. Lambar REF tana nuna Matsayin Ƙarfin Lantarki na Gaba, yana jera na'urori bisa halayensu na lantarki. Wannan rarrabuwa yana ba masu ƙira damar zaɓar LED tare da sigogi masu ƙarfi don bukatunsu na musamman.

4. Binciken Lanƙwasa Aiki

4.1 Matsakaicin Ƙarfin Haske Dangane da Zafin Yanayi

Lanƙwasan da aka bayar na duka guntayen UY da SYG sun nuna cewa matsakaicin ƙarfin haske ya dogara sosai da zafin yanayi (T_a). An daidaita ƙarfin zuwa 100% a 25°C. Yayin da zafin ya ragu zuwa -40°C, matsakaicin ƙarfin na iya raguwa sosai, mai yuwuwa ƙasa da 60% don guntun UY. Akasin haka, yayin da zafin ya ƙaru zuwa babban iyakar aiki (+85°C), ƙarfin kuma yana raguwa daga ma'anar 25°C. Wannan raguwar zafi abu ne mai mahimmanci don aikace-aikacen da ke fuskantar bambancin zafi mai yawa.

4.2 Ci Gaba na Gaba Dangane da Ƙarfin Lantarki na Gaba

Lanƙwasa halayen IV yana nuna alaƙar tsakanin ci gaba na gaba (I_F) da ƙarfin lantarki na gaba (V_F) a 25°C. Lanƙwasa ba ta layi ba ce, ta yau da kullun ga diodes. Ga duka nau'ikan LED, a daidaitaccen gwajin na'urar na 20 mA, ƙarfin lantarki yawanci yana kusa da 2.0V. Lanƙwasa ta nuna cewa ƙaramin ƙaruwa a cikin ƙarfin lantarki fiye da matsakaicin batu yana haifar da saurin ƙaruwa a cikin halin yanzu, yana nuna mahimmancin da'irar iyakance halin yanzu a cikin ƙirar tuƙi don hana guduwar zafi da gazawar na'urar.

4.3 Matsakaicin Ƙarfin Haske Dangane da Ci Gaba na Gaba

Wannan lanƙwasa yana kwatanta fitowar haske a matsayin aikin halin yanzu na tuƙi. Ƙarfin haske yana ƙaruwa tare da ci gaba na gaba, amma dangantakar ba ta daidai ba, musamman a manyan halin yanzu. Lanƙwasa yana ba masu ƙira damar kimanta fitowar haske don halin yanzu na tuƙi ban da daidaitaccen yanayin gwaji na 20mA. Hakanan yana nuna yanayin inganci a fakaice; tuƙi LED a cikin halin yanzu mai yawa na iya haifar da raguwar dawowa a cikin fitowar haske yayin da yake ƙara ɓarnawar wutar lantarki da zafin haɗuwa.

4.4 Rarraba Bakan

Jadawalin rarraba bakan yana nuna matsakaicin ƙarfin haske dangane da tsayin raƙuman ruwa ga duka guntayen a 25°C. Guntun UY yana fitarwa a yankin rawaya tare da kololuwa a kusa da 591 nm. Guntun SYG yana fitarwa a yankin rawaya-kori tare da kololuwa a kusa da 575 nm. Duka bakan suna nuna ƙaramin faɗin raƙuman ruwa (kimanin 20 nm FWHM kamar yadda aka bayyana a cikin tebur), wanda shine halayen kayan semiconductor AlGaInP, yana haifar da launuka masu cikakken cikakke, tsaftataccen launuka.

4.5 Zanen Bakan

Zanen bakan na polar yana nuna rarraba sararin samaniya na ƙarfin haske. Zanen ya tabbatar da faɗin kusurwar kallo, tare da auna ƙarfin a kusurwoyi daban-daban daga 0° (a kan axis) zuwa 90°. Siffar lanƙwasa tana nuna yadda ake fitar da haske, wanda ke da mahimmanci don ƙirar jagororin haske da tabbatar da haske ko da a cikin aikace-aikacen hasken baya. Mai tara haske a cikin kunshin yana ba da gudummawa ga wannan takamaiman tsarin bakan.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

LED yana cikin kunshin P-LCC-4 (Plastic Leaded Chip Carrier, 4-pin). Jikin kunshi fari ne. An ba da zane-zane masu girma, suna cikakken bayani game da tsayi, faɗi, tsayi, tazarar jagora, da sauran mahimman fasalin injiniya. Mahimman girma sun haɗa da girmansu gabaɗaya na kunshi da matsayin tafukan anode/cathode na guntayen LED na ciki guda biyu (yawanci don aikin bi-color). Duk ƙayyadaddun da ba a bayyana ba ±0.1 mm.

5.2 Gano Polarity da Ƙirar Tafuka

Kunshin yana da jagora huɗu. Tsarin haɗin ciki ba a cikakken bayani ba a cikin rubutun da aka bayar amma daidai ne ga irin waɗannan LED na bi-color top-view: anodes biyu da cathodes biyu, ko tsarin anode/cathode na gama gari don guntayen launuka daban-daban. An ayyana pinout na zahiri da shimfidar tafukan PCB da aka ba da shawarar a cikin zane-zane masu girma don tabbatar da daidaitaccen haɗin lantarki da amintaccen gishiri.

6. Jagororin Gishiri da Haɗawa

Na'urar ta dace da sake narkewar tururi kuma tana dacewa da kayan aikin sanyawa ta atomatik. Ƙayyadaddun ƙayyadaddun ƙididdiga sun ƙayyade bayanin zafin gishiri: sake narkewar gishiri bai kamata ya wuce 260°C na dakika 10 ba, kuma gishiri na hannu bai kamata ya wuce 350°C na dakika 3 ba. Bin waɗannan iyakoki yana da mahimmanci don hana lalata kunshin filastik da haɗin waya na ciki. Ana samar da abubuwan akan tef 8mm da reel don sauƙaƙe hanyoyin haɗawa ta atomatik.

7. Bayanin Kunshi da Oda

Samfurin yana samuwa akan tef da reel mai dacewa da tef 8mm. Yawanci ana haɗa zane na girman reel. Lakabin da ke kan reel ko kunshi yana ɗauke da mahimman bayanai don gano asali da tabbatarwa: Lambar Sashe (PN), Lambar Sashen Abokin Ciniki (CPN), adadi (QTY), lambar kuri'a (LOT NO), da lambobin rarrabuwa (CAT, HUE, REF) kamar yadda aka bayyana a baya.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Babban aikace-aikace sun haɗa da: Kayan aikin sadarwa (masu nuna matsayi, hasken baya na maɓalli), Hasken baya na panel mai lebur don LCDs, maɓalli na membrane, da alamomi, Tsarin bututun haske don tura haske daga LED zuwa wurin nuna alama mai nisa, Matsayi na gabaɗaya da masu nuna wutar lantarki a cikin kayan lantarki na mabukaci, sarrafa masana'antu, da ciki na mota.

8.2 Abubuwan Da Ake La'akari Da Ƙira

Iyakance Halin Yanzu: Koyaushe yi amfani da resistor na jerin ko direba mai ci gaba don iyakance halin yanzu na gaba zuwa 25 mA ko ƙasa don ci gaba da aiki. Gudanar da Zafi: Yi la'akari da raguwar ƙarfin haske tare da zafin jiki. A cikin yanayin zafi mai yawa, tabbatar da isasshen zubar da zafi ko rage halin yanzu na tuƙi. Ƙirar Gani: Yi amfani da faɗin kusurwar kallo da mai tara haske don aikace-aikacen da ke buƙatar haske mai faɗi, ko da. Don bututun haske, zaɓi kayan aiki da lissafi masu dacewa da tsarin bakan LED. Kariya ta ESD: Aiwatar da matakan kariya na ESD na yau da kullun yayin sarrafawa da haɗawa, kamar yadda aka ƙididdige na'urar don 2000V HBM.

9. Kwatancen Fasaha da Bambance-bambance

Babban bambance-bambancen jerin 67-22 yana cikin kunshinsa da ƙirar gani. Kunshin P-LCC-4 tare da mai tara haske an ƙera shi musamman don aikace-aikacen da ke buƙatar haɗin kai mai inganci cikin bututun haske, fasalin da ba koyaushe ake inganta shi a cikin daidaitattun LED na top-view ba. Faɗin kusurwar kallo na digiri 120 yana ba da ƙarin sassauci a cikin sanyawa da kallo idan aka kwatanta da na'urori masu ƙunƙuntaccen kusurwa. Samuwa a cikin takamaiman launuka masu haske na rawaya da rawaya-kori daga fasahar AlGaInP yana ba da babban tsaftar launi da inganci.

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

Q: Zan iya tuƙi wannan LED a 30 mA don fitarwa mai haske?

A: Matsakaicin ci gaba na gaba na ci gaba shine 25 mA. Wuce wannan ƙimar na iya rage aminci da tsawon rayuwa saboda ƙaruwar zafin haɗuwa da damuwa. Don ƙarin haske, zaɓi LED daga kwandon tare da mafi girman ƙarfin haske (lambar CAT) maimakon tuƙa shi.

Q: Me yasa fitowar haske ke faɗuwa a cikin yanayi mai sanyi?

A: Kamar yadda aka nuna a cikin lanƙwasan aiki, ƙarfin haske na LED na semiconductor gabaɗaya yana raguwa yayin da zafin yanayi ya ragu. Wannan halayen kayan semiconductor ne da ingancin fitar da hoton a ƙananan yanayin zafi. Dole ne ƙirar ta yi la'akari da wannan idan ana buƙatar aiki a kan kewayon zafi mai yawa.

Q: Menene manufar lambobin rarrabuwa na HUE da REF?

A: Waɗannan lambobin suna tabbatar da daidaiton launi da ƙarfin lantarki. Don aikace-aikacen da ake amfani da LED da yawa a gefe (misali, a cikin tsararru ko mashin bar), amfani da LED daga kwandon HUE ɗaya yana ba da garantin bayyanar launi iri ɗaya. Amfani da LED daga kwandon REF ɗaya yana tabbatar da suna da ƙarfin lantarki na gaba iri ɗaya, yana haifar da rabon halin yanzu iri ɗaya idan aka tuƙa su a layi daya.

11. Nazarin Shari'ar Aikace-aikace na Aiki

Yi la'akari da ƙirar panel mai nuna matsayi don wani kayan aikin masana'antu. Panel yana amfani da bututun haske don kawo hasken nuna alama daga PCBs da aka ɗora cikin zurfi a cikin akwati zuwa gaban panel. Jerin LED na 67-22 shine zaɓi mai kyau. Mai tara haske yana haɗa haske cikin inganci cikin ƙofar bututun haske, yana rage asara. Faɗin kusurwar kallo yana tabbatar da cewa an kama haske yadda ya kamata ko da LED bai daidaita ba. Launin rawaya mai haske (UY) yana ba da hangen nesa mai yawa. Mai zane zai zaɓi LED daga kwandon HUE guda ɗaya don daidaitaccen launi a duk masu nuna alama kuma ya aiwatar da sauƙaƙan da'irar iyakance halin yanzu na tushen resistor da aka saita don 20 mA don cimma takamaiman haske na yau da kullun.

12. Gabatarwar Ka'idar Aiki

Waɗannan LED sun dogara ne akan fasahar semiconductor AlGaInP (Aluminum Gallium Indium Phosphide). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan haɗin p-n, ana shigar da electrons da ramuka cikin yanki mai aiki. Haɗuwarsu yana sakin makamashi a cikin nau'in photons (haske). Takamaiman launi (tsayin raƙuman ruwa) na hasken da aka fitar an ƙaddara shi ta hanyar makamashin bandgap na kayan AlGaInP, wanda aka ƙera yayin tsarin girma na crystal don samar da hasken rawaya (UY) ko rawaya-kori (SYG). Kunshin filastik (P-LCC-4) yana ba da kariyar muhalli, tallafin injiniya, kuma yana ɗauke da mai tara haske wanda ke siffata fitowar haske.

13. Trends na Fasaha

Gabaɗayan yanayin a cikin LED masu nuna alama yana ci gaba zuwa ga inganci mafi girma (ƙarin fitowar haske a kowace naúrar wutar lantarki), ƙananan girman kunshi don manyan allunan girma, da ingantaccen aminci. Hakanan ana mayar da hankali kan faɗaɗa gamut ɗin launi da inganta daidaiton launi ta hanyar ci-gaba da dabarun rarrabuwa. Haɗin fasali kamar na cikin iyakance resistors na halin yanzu ko direbobin IC a cikin kunshin LED wani yanayi ne na girma, yana sauƙaƙe ƙirar da'ira. Amfani da kayan da suka dace da ƙaƙƙarfan ƙa'idodin muhalli (RoHS, REACH) yanzu buƙatu ne na yau da kullun.