LED ic Chip

Lowani ku dziko laMawonekedwe a LED, pomwe pixel iliyonse imakhala ndi moyo kudzera mu mphamvu ya tchipisi ta LED IC. Ingoganizirani madalaivala ojambulira mizere ndi madalaivala amizere akugwira ntchito limodzi mosasunthika kuti apange zowoneka bwino zomwe zimakopa omvera pafupi ndi kutali.

Kuyambira zazikuluzikwangwani zakunjaku ziwonetsero zamashopu zokopa ndi zowonekera zowoneka bwino zamkati, tchipisi ta IC driver ndi ngwazi zomwe sizikudziwika. Ndiwo mphamvu yomwe imawonetsetsa kuti pixel iliyonse iwala bwino, kaya ndi mtundu umodzi, wamitundu iwiri, kapena wamitundu yonse.

Koma kodi ma chipswa amachita chiyani kwenikweni?

Kodi LED IC Chip ndi chiyani?

M'dziko lamitundu yonseMawonekedwe a LED, udindo wa chipangizo cha LED IC chip ndi chosavuta koma chofunika kwambiri: kulandira deta, kupanga zizindikiro zolondola za PWM, ndikuwongolera kayendedwe kameneka kuti aunikire LED iliyonse molondola. Ndi ukadaulo wosakanizidwa bwino, womwe ukukonzekera kuwunikira koyenera komanso mitengo yotsitsimutsa kuti zithunzi zikhale zamoyo.

Ndiyeno pali zotumphukira za ICs — ngwazi zosaimbidwa zomwe zimawonjezera kuya ndi mawonekedwe pachiwonetsero. Kuchokera ku logic ICs kupita ku MOS masiwichi, ndizinthu zobisika zomwe zimakweza zowonera kukhala zatsopano.

Si tchipisi zonse za LED IC zomwe zimapangidwa mofanana. Zina zidapangidwa kuti zizigwiritsidwa ntchito wamba, pomwe zina zimasanjidwa kuti zizigwiritsidwa ntchito mwapadera. Ndi malo azotheka kosatha, komwe luso ndi luso zimaphatikizana kuti apange zowonetsera zomwe zimakopa komanso kudabwitsa.

Tsopano, lowetsani dziko la tchipisi chapadera-zodabwitsa zopangidwa mwamakonda zomwe zimatsegula kuthekera konse kwa zowonetsera za LED. Nayi mfundo: Tekinoloje ya LED imagwira ntchito mwanjira yakeyake. Mosiyana ndi zida zamakono, ma LED amadalira kuyenda kosasunthika, osati kusintha kwamagetsi.

Apa ndi pamene tchipisi zapadera zimawala. Cholinga chawo? Kupereka gwero lanthawi zonse. N’chifukwa chiyani zimenezi zili zofunika? Madzi okhazikika amatanthauza kukhazikikaMa LED, ndipo ma LED okhazikika amatanthauza zowoneka bwino zomwe zimasokoneza komanso kusangalatsa.

Tchipisi za LED IC izi ndizotalikirana ndi wamba. Ena amabwera ndi zina zowonjezera zomwe zimapangidwira mafakitale enaake, monga kuzindikira zolakwika za LED, kuwongolera kwaposachedwa, komanso kukonza kwaposachedwa, ndikuwonjezera kulondola.

Mbiri ya LED IC Chip

Yendani ulendo wobwerera ku zaka za m'ma 1990, pamene zowonetsera za LED zinali zikuyamba kukwera. Panthawiyo, zonse zinali zowonetsera zamtundu umodzi komanso wapawiri, wokhala ndi ma IC oyendetsa ma voliyumu nthawi zonse.

Kenaka, mu 1997, kusintha kwakukulu kunachitika pamene China inayambitsa 9701 - chipangizo chapadera choyendetsa galimoto komanso chowongolera.Chiwonetsero cha LEDzowonetsera. Ndi kudumpha kodabwitsa kuchokera pamiyezo 16 imvi kupita ku 8192 modabwitsa, chipangizochi chidasinthiratu kumveka bwino kwa kanema, ndikusandutsa "zomwe mukuwona ndizomwe mumapeza" kukhala zenizeni.

Pamene teknoloji ya LED ikupita patsogolo, momwemonso madalaivala omwe amayendetsa. Kuyendetsa kwanthawi zonse kwanthawi yayitali kunakhala muyezo wazowonetsera zamtundu wamtundu wa LED, zogwirizana bwino ndi mawonekedwe apadera a ma LED. Ndi kuchuluka kwa kufunikira, kuphatikizika kudakulirakulira, ndipo ma drive 16 posakhalitsa adaposa omwe adatsogolera mayendedwe 8.

Mofulumira mpaka lero, kumene zatsopano zikupitirirabe kuswa malire. Kuti athetse zovuta za ma waya a PCB m'mawonedwe ang'onoang'ono a pixel LED, oyendetsa IC opanga akukankhira malire ndi tchipisi ta 48-channel LED nthawi zonse zoyendetsa panopa. Ndi chithunzithunzi cha dziko lomwe likusintha nthawi zonse laukadaulo wa LED, pomwe chopinga chokha ndi malingaliro athu.

LED IC Chip Performance Indicators

Tiyeni tidumphire mkati mwa zowonetsera za LED, pomwe zizindikiro zazikuluzikulu za magwiridwe antchito monga kutsitsimutsa, grayscale, ndi mawonekedwe azithunzi zimatengera gawo lalikulu. Tangoganizani izi: kusakanikirana kwamphamvu kwamakono, kulankhulana kwachangu, ndi liwiro lachangu la kuyankha—zonse zikugwira ntchito limodzi kupanga zithunzi zochititsa chidwi zomwe zimakopa owonera.

M'mbuyomu, kukwaniritsa mgwirizano wabwino pakati pa kutsitsimutsa, grayscale, ndi kagwiritsidwe ntchito chinali cholinga chovuta. Zosokoneza zidayenera kupangidwa - mwina mitengo yotsitsimutsa idachepa, zomwe zidapangitsa kuti mizere yakuda iwoneke yowoneka bwino pamakamera othamanga kwambiri, kapena kuvutitsidwa ndi grayscale, zomwe zimatsogolera pakuwala kosagwirizana.

Lowetsani m'badwo wa zopambana zaukadaulo. Chifukwa cha zatsopano kuchokera kwa opanga IC oyendetsa, zomwe sizinatheke zakhala zenizeni. Mitengo yotsitsimula kwambiri, imvi mopanda cholakwika, ndi kuwala kwamitundu yowoneka bwino tsopano zikulumikizana mosadukiza, zomwe zimatsegulira njira zowonetsera zomwe zimasiya omvera ali ndi chidwi.

Kwa zowonetsera zamtundu wamtundu wa LED, chitonthozo cha ogwiritsa ndichofunika kwambiri. Ichi ndichifukwa chake kupeza kusamalidwa bwino kwa kuwala kocheperako komanso grayscale yayikulu kwakhala kuyesa kopitilira muyeso kwa IC. Ndi umboni wa kufunafuna kosasunthika kwakuchita bwino m'dziko lomwe likupita patsogolo nthawi zonse laukadaulo wa LED.

Ubwino Wogwiritsa Ntchito LED IC Chip

Mukamagwiritsa ntchito chipangizo cha LED IC, pali zabwino zingapo zomwe mungasangalale nazo ndikupindula nazo. Nazi zina zofunika kuziganizira:

Mphamvu Yopulumutsa Mphamvu

Tiyeni tiwunikire kufunafuna mphamvu zowononga mphamvu mu zowonetsera za LED-ulendo umene zatsopano zimakwaniritsa kukhazikika, ndipo watt iliyonse imakhala yofunika.

M'dziko la mphamvu zobiriwira, kupulumutsa mphamvu si cholinga; ndi njira ya moyo. Zikafika pazowonetsa za LED, magwiridwe antchito a ICs amatengera kuthekera kwawo kuchepetsa kugwiritsa ntchito mphamvu popanda kupereka nsembe.

Nanga amakwanitsa bwanji zimenezi? Zonse ndi kuthana ndi kupulumutsa mphamvu kuchokera mbali ziwiri zazikulu:

Choyamba, cholinga chake ndikuchepetsa mphamvu yamagetsi yamagetsi yomwe ilipo. Potsitsa magetsi amtundu wa 5V mpaka pansi pa 3.8V, kuyendetsa ma ICs kumatsegula njira yogwiritsira ntchito mphamvu moyenera.

Opanga akupita patsogolo ndi ma tweaks anzeru a aligorivimu ndi kukhathamiritsa kwa mapangidwe. Ena adayambitsanso ma IC oyendetsa omwe ali ndi magetsi otsika kwambiri a 0.2V - kulimbikitsa magwiritsidwe ntchito a LED ndi 15% ndikuchepetsa mphamvu zamagetsi ndi 16% modabwitsa.

Koma apa pali kupotoza kwake: kupulumutsa mphamvu sikungodula ngodya-komanso kulondola. Popereka mphamvu padera ku mikanda yofiira, yobiriwira, ndi yabuluu, kuyendetsa ma ICs kuonetsetsa kuti magetsi ndi magetsi akugawidwa mwatsatanetsatane opaleshoni. Chotsatira? Kuchepetsa kugwiritsa ntchito mphamvu, kuchepetsa kutentha, komanso tsogolo lowala la zowonetsera za LED.

Kufuna mphamvu zowononga mphamvu si ulendo chabe, koma kusintha. Ndipo ndi kupambana kulikonse, timayandikira pafupi ndi mawa obiriwira, okhazikika.

Kuphatikizana Kwabwino Kwambiri

Ingoganizirani kulowa m'dziko la zowonetsera za LED, pomwe pixel iliyonse imakhala ndi nkhonya ndipo chigawo chilichonse chimakhala chofunikira. Pamene masitayilo a pixel akucheperachepera mwachangu, kuchuluka kwa zida zonyamula pagawo lililonse kumakwera kwambiri, kumapangitsa kuti pakhale kachulukidwe kakang'ono kazinthu pamagalimoto oyendetsa ma module a LED.

Pezani P1.9yaing'ono-pixel LEDmwachitsanzo. Ndi ma sikani ake 15 ndi gawo la 160 × 90, imafuna ma ICs okwera 180 okhazikika, machubu 45, ndi ma 138 awiri. Ndizo zida zambiri zodzaza malo olimba, kutembenuza ma waya a PCB kukhala masewera apamwamba kwambiri a Tetris.

Ndi zovuta kwambiri zimabwera ndi chiopsezo chachikulu. Zokhala ndi anthu ambiri zimakhala zovuta, kuchokera ku zowotcherera zofooka mpaka kuchepa kudalirika kwa gawo - yikes! Lowani ngwazi zamasiku ano: ma IC oyendetsa ophatikizana kwambiri. Ndi ma IC ochepa omwe amafunikira komanso malo okulirapo amawaya a PCB, tchipisi tating'onoting'ono tikukumana ndi kufunikira kokulirapo kwa mapangidwe odalirika, odalirika.

Masiku ano, otsogola opanga zida za LED IC akuyankha kuyitanidwa, akutulutsa tchipisi ta 48-channel LED zomwe zimanyamula nkhonya yayikulu. Mwa kuphatikiza mabwalo ozungulira mwachindunji mu woyendetsa IC wafer, amawongolera mapangidwe a PCB ndikupewa kupweteka kwamutu komwe kumachitika chifukwa cha kusiyana kwa uinjiniya.

Mapeto

M'dziko la zowonetsera za LED, momwe zatsopano zimakumana ndi malingaliro, chipangizo chodzichepetsa cha LED IC chimayima ngati ngwazi yosadziwika. Tchipisi izi zimapanga ma symphony a pixels, kuwonetsetsa kuti mtundu uliwonse, mwatsatanetsatane, ukuwala bwino. Kaya ndi zikwangwani zazitali zakunja kapena zowonekera zowoneka bwino zamkati, tchipisi ta ma driver a LED amapanga msana wa zochitika zomwe zimakopa anthu padziko lonse lapansi.

Ndiye, nchiyani chimasiyanitsa tchipisi izi? Amapangidwa kuti azitha kusintha ndikusintha ndi nthawi. Kuyambira masiku oyambilira a zowonetsera zamtundu umodzi komanso wamitundu iwiri mpaka ukadaulo wapamwamba womwe tili nawo masiku ano, tchipisi ta LED IC tatsala pang'ono kupanga zatsopano. Asintha momwe timawonera zowonera, ndikuyambitsa nthawi yomwe pixel iliyonse imafotokoza nkhani ndipo chiwonetsero chilichonse chimapanga zochitika zozama komanso zamphamvu.