1. Kutheni le nto i-LED ibala?
Kuluntu lwanamhlanje, iindonga zevidiyo ezikhokelwa zisetyenziswa ngokubanzi kwintengiso yentengiso, imisebenzi yenqanaba, amagumbi ezemidlalo, amagumbi entlangano kunye namanye amasimi. Nokuba yikonsathi enkulu okanye intengiso yentengiso, isiphumo esibonakalayo sodonga lwevidiyo ye-LED lidlala indima ebalulekileyo. Phakathi kuzo zonke izinto ezichaphazela ifuthe lodonga lwevidiyo, inani lee-LED ngokungathandabuzekiyo yenye yezona zinto zibalulekileyo kwaye zibalulekile.
Inkokheli rhoqo ifumana imibuzo evela kubathengi malunga nendlela yokufumanisa inani lezibane ze-LED ezisetyenziselwe udonga lwevidiyo. Ukuqonda ubungakanani be-LEDs ayikokuqinisekiswa kokuqinisekisa impembelelo yodonga lwevidiyo kodwa ikwanxulumene nemiba emininzi kubandakanya ukusetyenziswa kwamandla, ulondolozo, uhlahlo-lwabiwo mali lwexesha elizayo. Eli nqaku liza kunika ingxelo eneenkcukacha zendlela yokubala inani lee-LED kudonga lwevidiyo kwaye uphonononge izinto eziphambili ezinxulumene nayo.
2. Izinto ezisisiseko zodonga lwevidiyo ye-LED
Iindonga zevidiyo ezi-LED zihlala zisenziwa ngokuqhutywa kweephaneli ezininzi ze-LED, kwaye ipaneli nganye ye-LED iqulethe amawaka ezibane ze-LED. Ngokukodwa, ukwakhiwa kodonga lwevidiyo kubandakanya ezi ndawo zilandelayo:
Iiphaneli ze-LED: Iphaneli nganye inamawakawaka ezibane ze-LED. Ubungakanani kunye nokuxinana kwephaneli kuya kuyichaphazela ngokuthe ngqo isisombululo kunye nesiphumo sokubonisa udonga lwevidiyo.
I-pixel pitch: Le yeyona nto iphambili egqiba ukusonjululwa kunye nokucaciswa kwe-LED. Imingxunya eqhelekileyo ye-pixel ibandakanya i-P1.9, P3.91, njl.
Uhlobo lwe-LED: Iindidi eziqhelekileyo ze-LED zibandakanya i-SMD (iNtaba ye-Diode) kunye ne-cob (i-chip kwibhodi). Uhlobo lwe-SMD lulungele uninzi lweendonga zevidiyo kuba ukukhanya kwayo kunye nokusebenza kwemibala kulingane.
La macandelo akasayi kuchaphazela kuphela isiphumo sodonga lwevidiyo kodwa sichaphazela ngqo iiparamitha ezifunekayo ukuze zibale inani lee-LED.
3. Ubala le-LEDS yodonga lwevidiyo
Ukubala i-pixel ye-pixel
Masithi ubungakanani besikrini ziimitha ezi-3 x 30mm X 3000mms), kunye ne-pixl pitch pitch (i-pixel pitch) (okt kumgama ophakathi kwe-2.604 iimilimitha).
Inani leephikseli kwindawo ethe tyaba = ububanzi bescreen (3000mm) / i-pixel pitch (2.60mm) = 3000mm / 2.0mm ≈ 1152mm
Inani leephikseli kwindawo ethe nkqo = Ukuphakama kwescreen (3000mm) / pixel pitch (2.604mm) = 3000mm / 2.0mm ≈ 1152mm
Ke, inani lilonke leepikseli kwiscreen yile: 1152 x 1152 = 1,326,604 pixels.
Ukubala ukubalwa kwe-LED
Kule meko, i-pixel nganye ifezekisiwe kukukhanya kwe-LED, ke lilonke inani le-LEDS kudonga lwevidiyo lilingana nenani elipheleleyo leephikseli.
Ke ngoko, kukho malunga ne-1,326,604 i-LED kudonga lwevidiyo.
Ukubala ubungakanani bepaneli ye-LED
Iindonga zeVidiyo ye-LED zisenziwa ngokwenzakalise iiphaneli ezininzi ze-LED. Ubungakanani kunye nokusonjululwa kwePhaneli kugqiba ukuba zingaphi ii-LED ze-LED kwiphaneli nganye. Masithi ubukhulu bephaneli nganye yi-500mm x 500mm, kwaye isisombululo sephaneli nganye yi-128 x 128 pixels (okt, iphaneli nganye iqulethe izibane ezili-16,384). Emva koko, singabala inani leephaneli ezifunekayo kudonga lwevidiyo ngale ndlela ilandelayo:
Indawo yephaneli nganye = 0.5mx 0.5m = 0.25 isikwere
Indawo iyonke yodonga lwevidiyo = 3m x 3m = 9 iimitha ezili-9
Inani leepaneli ezifunekayo = iimitha ezili-9 ze-9 / 0.25 isikwere = iipaneli ezingama-36
Ke ngoko, kukho iipaneli ezingama-36 kudonga lwevidiyo. Iphaneli nganye inee-16,384 ze-LEDS, kwaye zizonke ii-589,824 ezikhokelwa ludonga lonke lwevidiyo.
Ngale ndlela, sinokubala ngokuchanileyo inani lee-LED kudonga lwevidiyo.
4. Ifuthe lenani lee-LED kwimpembelelo yokubonisa
Isisombululo kunye nefuthe lokuBonakalayo
Inani lee-leds limisela ngokuthe ngqo isisombululo kunye nefuthe lokubonisa lodonga lwevidiyo. Ukuxinana okuphezulu kwe-pixel kuthetha ukusonjululwa okuphezulu kwaye kunokubonakalisa ukucacisa kunye nomxholo ocacileyo kunye nomxholo wevidiyo. Ukuba udonga lwevidiyo yakho isetyenziselwa ukubonisa intengiso, uxinzelelo oluphezulu lwe-pixel lunokutsala umdla wababukeli, ngakumbi xa kujongwa kumgama osondeleyo.
Ukuqaqamba kunye nokusebenza kombala
Inani lee-LED likwachaphazela ukuqaqamba kunye nokusebenza kombala. Izibane ezingaphezulu ze-LED zinokubonelela ngokusasazwa okukuko ukukhanya okufanayo nokusasazeka kwemeko yokukhanya okungalinganiyo. Kwinqanaba lenqanaba, ukhuphiswano lwezemidlalo kunye nezinye iimeko zesicelo, ukufana kokukhanya kunye nombala kubaluleke kakhulu.
Ukujonga i-angle kunye nokujonga umgama
Ukonyuka kwenani lee-LEDS zihlala kuphucula i-engile yescreen. Kwizicelo ezikhulu zangaphandle okanye zangaphakathi, ubume be-LED, banokuqinisekisa ukuba ababukeli banokufumana isiphumo esicacileyo nesikhanyisayo, nokuba kumi khona.
I-5. Iphaneli yepaneli ye-LED & yoyilo
Indlela yokuphola
Iindonga zevidiyo zihlala zenziwa ngokuphucula iiphaneli ezininzi ze-LED. Iindlela eziqhelekileyo zokucheba zibandakanya ukungcola ngokuthe ngqo kwaye zagungqa. Iindlela ezahlukeneyo zokucheba idinga ukuba izibane ze-LED phakathi kweephaneli zinokunxibelelana ngokusondeleyo ngokwasemzimbeni ukuphepha ukubonakalisa isiphumo. Xa ukhetha iiphaneli ze-LED, uyilo lomda kunye nokuchaneka kweephaneli kufuneka kuthathelwe ingqalelo.
Ukhetho lweemeko ezahlukeneyo zesicelo
Isicelo sentengiso: ihlala ifuna ukuqaqamba okuphezulu kunye nokuveliswa kombala. Kufanelekile ukukhetha i-pixel encinci ye-pixel (njenge-P2.6, P3.91, njl. Njl.) Kunye nezinye ii-LED.
Ukusebenza kwenqanaba: ifuna i-angle engcono yokujonga kunye nokukhanya okuqaqambileyo. Inani kunye nokubekwa kwe-LEDS kufuneka kuqinisekiswe ukuba ifuthe elibonakalayo le-Angles ezahlukeneyo.
Amagumbi entlanganiso kunye namaziko emiboniso: Funa ukucaciswa kweenkcukacha eziphezulu. Kufanelekile ukukhetha udonga lwevidiyo ngesisombululo esiphezulu.
I-6. I-LED ye-LED kunye nokusetyenziswa kwamandla, ulondolozo
Ukubala okusetyenziswa kwamandla
Ukonyuka kwenani lee-LED kuthetha ukwanda kokusetyenziswa kwamandla. Ukusetyenziswa kwamandla okukhanya kwesibonelelo ngasinye kudla rhoqo phakathi kwe-0.1w kwaye i-0.5w, kuxhomekeke kudidi lwe-LED kunye nokukhanya kwesikrini. Xa ukhetha udonga lwevidiyo, kubalulekile ukuqwalasela inani le-LEDS kunye nokusetyenziswa kwamandla ukuqinisekisa ukuba ifezekisa iimfuno zombane kunye neemfuno zokwenza ubushushu.
Ukulungiswa kunye nokutshintshwa
Iindonga zevidiyo ngenani elikhulu le-LEDS inokufuna ixesha elingakumbi kunye neendleko eziphezulu zesondlo, ngakumbi xa i-LED ye-LED iyasilela. Ukukhetha iiphaneli ezi-aPright eziPhezulu, uyilo olululo lokuyila kunye nolondolozo oluqhelekileyo zezitshixo zokuqinisekisa ukusebenza kwexesha elide lodonga lwevidiyo.
I-7. I-LED ye-LED kunye neNtetho yoHlahlo-lwabiwo mali
Ingqwalaselo yohlahlo-lwabiwo mali
Inani lee-LED ezichaphazela ngqo iindleko zodonga lwevidiyo. Ukuba uhlahlo-lwabiwo mali lulinganiselwe, ukukhetha udonga lwevidiyo kunye ne-pixel enkulu ye-pixel (nge-P5, P5, P6) inokunciphisa inani lee-LED kwaye ke kunciphisa iindleko. Ukuba uhlahlo-lwabiwo mali lwanele, ukukhetha isikrini ngesixa esiphezulu se-pixel sinokuqinisekisa ukuba umgangatho oboniswayo ophezulu.
Ukukhetha i-pixel efanelekileyo ye-pixel
Khetha ipilisi efanelekileyo ye-pixel ngokwemeko yesicelo ukuqinisekisa ngempembelelo entle. Umzekelo, kwintengiso yangaphakathi kunye nokubonisa, i-P3 okanye i-P3.91 lukhetho oluqhelekileyo; Kwintengiso engaphandle engaphandle, i-pixel ye-P6 okanye i-P8 inokukhethwa.
8. Isishwankathelo kunye neengcebiso
Ukuqonda inani le-LEDS kudonga lwevidiyo ayisiyo nje ukubala umphumo wayo wokubonisa kodwa nokwenza ukuthengwa kwengqondo kunye nezigqibo zokufaka. Ngokuphumelela kwendlela ebalo yokubala, unokuqinisekisa ukukhetha kwe-piel ye-pixel efanelekileyo, inani elifanelekileyo le-LED kwaye uphephe inkunkuma engafunekiyo ngexesha lokuphunyezwa kweprojekthi.
I-9. I-FAQ
9.1 Ukukhetha njani i-pixel efanelekileyo?
Ukutyelela umgama omfutshane, khetha i-pixel ye-pixel encinci; Ukujonga umgama omde, i-pixel enkulu ye-pixel inokunyulwa.
9.2Uso isikrini kunye nee-LED ezingakumbi zichaphazela ixabiso?
Ewe, inani lee-LED zichaphazela ngqo indleko zodonga lwevidiyo. Udonga lwevidiyo kunye noxinano oluphezulu lwe-pixel lunezinto ezininzi kwaye ke lixabiso eliphezulu.
9.3 Luphi ubudlelwane phakathi kwenani le-LEDS kunye nokusetyenziswa kwamandla?
Ukonyuka kwenani lee-LED kuthetha ukwanda kokusetyenziswa kwamandla. Ke ngoko, xa ukhetha udonga lwevidiyo, kunyanzelekile ukuba uqonde ukuba kuthathelwe ingqalelo amandla kunye nemicimbi yokuhambisa amandla.
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