Chiratidziro chemagetsi che LED chine mapikseli akanaka, zvisinei masikati kana husiku, zuva kana kunaya kwemazuva, kuratidzwa kwe LED kunogona kuita kuti vateereri vaone zviri mukati, kusangana nezvinodiwa nevanhu zvekuratidzira system.
Tekinoroji yekutora mifananidzo
Nheyo huru ye LED yemagetsi kuratidza ndeye kushandura masaini edhijitari kuita masaini emifananidzo uye kuaratidza kuburikidza neinopenya system.Nzira yechinyakare ndeye kushandisa kadhi rekutora vhidhiyo rakasanganiswa neVGA kadhi kuti uwane basa rekuratidzira.Basa guru rekutora vhidhiyo kadhi nderekutora mifananidzo yevhidhiyo, uye kuwana indekisi kero yemutsara frequency, munda frequency uye pixel point neVGA, uye kuwana masaini edhijitari kunyanya nekukopa tafura yeruvara rwekutarisa.Kazhinji, software inogona kushandiswa kudzokorodza chaiyo-nguva kana kubiwa kwehardware, zvichienzaniswa nekubiwa kwehardware kunonyanya kushanda.Nekudaro, nzira yechinyakare ine dambudziko rekuenderana neVGA, iyo inotungamira kumicheto isina kujeka, yakashata yemhando yemifananidzo uye zvichingodaro, uye pakupedzisira inokuvadza mufananidzo wemhando yemagetsi kuratidza.
Zvichienderana neizvi, nyanzvi dzeindasitiri dzakagadzira yakatsaurirwa vhidhiyo kadhi JMC-LED, musimboti wekadhi wakavakirwa paPCI bhazi uchishandisa 64-bit graphics accelerator kusimudzira VGA uye vhidhiyo mabasa mune imwe, uye kuwana iyo vhidhiyo data uye VGA data gadzira superposition mhedzisiro, iyo yapfuura matambudziko ekuenderana akagadziriswa zvinobudirira.Kechipiri, kutorwa kwechigadziriso kunotora iyo yakazara-skrini modhi kuti ive nechokwadi chakazara cheAngle optimization yemufananidzo wevhidhiyo, chikamu chemupendero hachisisina fuzzy, uye mufananidzo wacho unogona kucherwa zvine mwero uye kufambiswa kuti usangane nezvinodiwa zvekutamba zvakasiyana.Pakupedzisira, mavara matatu etsvuku, girini uye bhuruu anogona kunyatsoparadzaniswa kuti asangane nezvinodiwa zvechokwadi ruvara rwemagetsi kuratidza skrini.
2. Kuberekwa kwemavara chaiwo kwemufananidzo
Nheyo ye LED yakazara-ruvara kuratidza yakafanana neye terevhizheni maererano nekuona kwekuita.Kuburikidza nekubatanidzwa kunobudirira kwemavara matsvuku, egirinhi uye ebhuruu, mavara akasiyana echifananidzo anogona kudzoreredzwa uye kudzokororwa.Kuchena kwemavara matatu matsvuku, girini uye bhuruu anozokanganisa zvakananga kubereka kwemufananidzo.Izvo zvinofanirwa kucherechedzwa kuti kubereka kwechifananidzo hakusi kusanganisa kusanganisa kwemavara matsvuku, girini uye bhuruu, asi imwe nzvimbo inodiwa.
Kutanga, chiyero chechiedza chechiedza chetsvuku, girini uye bhuruu chinofanira kuva pedyo ne3: 6: 1;Chechipiri, zvichienzaniswa nemamwe mavara maviri, vanhu vane kumwe kunzwisiswa kutsvuku muchiratidzo, saka zvinodikanwa kugovera zvitsvuku zvakaenzana munzvimbo yekuratidzira.Chechitatu, nekuti chiono chevanhu chiri kupindura kune risiri mutsara curve yekusimba kwechiedza chetsvuku, yegirini uye yebhuruu, zvinodikanwa kugadzirisa mwenje unoburitswa kubva mukati meTV nemwenje chena ine mwenje wakasiyana.Chechina, vanhu vakasiyana vane hunyanzvi hwekugadzirisa mavara mumamiriro ezvinhu akasiyana, saka zvinodikanwa kuti uwane zviratidziro zvekuberekana kwemavara, izvo zvinowanzoita seizvi:
(1) Hurefu hwemasaisai ehutsvuku, girini nebhuruu hwaive 660nm, 525nm uye 470nm;
(2) Kushandiswa kwe4 tube unit ine chiedza chena iri nani (kupfuura 4 machubhu anogonawo, kunyanya zvichienderana nekusimba kwechiedza);
(3) Yero yegrey yemavara matatu ekutanga i256;
(4) Kururamisa kusiri mutsara kunofanirwa kugamuchirwa kugadzirisa mapikisi e LED.
Iyo tsvuku, yegirini uye yebhuruu mwenje yekugovera yekudzora sisitimu inogona kuitika neiyo hardware system kana neinowirirana playback system software.
3. chaiyo chaiyo dhiraivha redunhu
Pane nzira dzakati wandei dzekuisa papixel chubhu iripo: (1) scan driver;(2) DC drive;(3) nguva dzose ikozvino source drive.Zvinoenderana nezvinodiwa zvakasiyana zvechidzitiro, nzira yekuongorora yakasiyana.Kune indoor lattice block screen, scanning mode inonyanya kushandiswa.Kune yekunze pixel chubhu chidzitiro, kuitira kuti ive nechokwadi chekugadzikana uye kujeka kwemufananidzo wayo, DC yekutyaira modhi inofanirwa kugamuchirwa kuti iwedzere inogara iripo kune yekuvheneka mudziyo.
Early LED yainyanya kushandiswa low-voltage signal series uye conversion mode, iyi mode ine akawanda solder joints, high production cost, kusavimbika kwakakwana uye zvimwe zvinokanganisa, zvikanganiso izvi zvakaderedza kugadzirwa kwe LED yemagetsi kuratidza mune imwe nguva yenguva.Kuti ugadzirise zvikanganiso zviri pamusoro zve LED yemagetsi kuratidza, kambani iri muUnited States yakagadzira iyo application-specific integrated circuit, kana ASIC, iyo inogona kuona nhevedzano-parallel kutendeuka uye yazvino dhiraivha kuita imwe, dunhu rakasanganiswa rine zvinotevera maitiro. : iyo yakafanana inobuda yekutyaira kugona, kutyaira ikozvino kirasi kusvika ku200MA, LED pane iyi hwaro inogona kufambiswa nekukurumidza;Yakakura ikozvino uye voltage kushivirira, yakafara siyana, kazhinji inogona kuva pakati pe5-15V inoshanduka sarudzo;Iyo serial-parallel inobuda ikozvino yakakura, iyo ikozvino inopinda uye inobuda yakakura kupfuura 4MA;Inokurumidza kugadzirisa data, inokodzera ikozvino yakawanda-grey ruvara LED kuratidza mutyairi basa.
4. kupenya kudzora D/T kushandura tekinoroji
LED yemagetsi kuratidzwa inoumbwa akawanda akazvimirira pixels nekurongeka uye musanganiswa.Zvichienderana nechikamu chekuparadzanisa pixels kubva kune mumwe nemumwe, LED yemagetsi kuratidza inogona kungowedzera inopenya yekudzora kutyaira modhi kuburikidza nemasaini edhijitari.Kana iyo pixel yakavhenekerwa, mamiriro ayo anopenya anonyanya kudzorwa nemutongi, uye inofambiswa yakazvimirira.Kana vhidhiyo yacho ichida kuratidzwa muruvara, zvinoreva kuti kupenya uye ruvara rwepixel yega yega inoda kudzorwa zvine mutsindo, uye basa rekuongorora rinodiwa kuti ripedzwe zvakangofanana mukati menguva yakatarwa.
Mamwe mahombe emagetsi emagetsi e LED anoumbwa nemakumi ezviuru emapikseli, ayo anowedzera zvakanyanya kuoma mukati mekuita kwekutonga kwemavara, saka zvinodiwa zvepamusoro zvinoiswa pamberi pekufambisa data.Izvo hazvisi zvechokwadi kuseta D/A yepixel yega yega mune chaiyo yekudzora maitiro, saka zvinodikanwa kuti uwane chirongwa chinogona kunyatso kudzora yakaoma pixel system.
Nekuongorora musimboti wechiratidzo, zvinoonekwa kuti kupenya kweavhareji yepixel kunonyanya kuenderana neyakajeka-kudzima reshiyo.Kana chiyero chakajeka-chinogadziriswa chinonyatsogadziriswa pane iyi pfungwa, kutonga kunobudirira kwekupenya kunogona kuwanikwa.Kushandisa musimboti uyu kumagetsi ekuratidzwa kwe LED kunoreva kushandura masaini edhijitari kuita zviratidzo zvenguva, ndiko kuti, kutendeuka pakati peD/A.
5. Data rekuvaka uye kuchengetedza teknolojia
Parizvino, kune nzira mbiri huru dzekuronga mapoka endangariro.Imwe inzira yekubatanidza pixel, kureva kuti, ese mapixel mapikisi pamufananidzo anochengetwa mune imwechete yekurangarira muviri;imwe yacho inzira diki yendege, kureva kuti, ese mapixel mapoinzi pamufananidzo anochengetwa mune akasiyana ndangariro mitumbi.Mhedzisiro yakananga yekushandiswa kwakawanda kwemuviri wekuchengetera ndeyekuziva akasiyana pixel ruzivo kuverenga panguva.Pakati pezviviri zviri pamusoro ekuchengetedza zvimiro, iyo bit plane nzira ine zvimwe zvakanakira, zviri nani mukuvandudza ratidziro ye LED skrini.Kuburikidza nedunhu rekuvakazve dhata kuti uwane shanduko yeRGB data, huremu hwakafanana nemapikisi akasiyana anosanganiswa uye anoiswa mune iri padyo yekuchengetedza chimiro.
6. ISP teknolojia mune logic circuit design
Iyo yechinyakare LED yemagetsi inoratidzira control wedunhu inonyanya kugadzirwa neyakajairwa dhijitari wedunhu, iyo inowanzodzorwa nedhijitari yedunhu musanganiswa.Muchinyakare tekinoroji, mushure mekunge chikamu chedhizaini chapedzwa, bhodhi redunhu rinoitwa kutanga, uye zvikamu zvakakodzera zvinoiswa uye mhedzisiro inogadziriswa.Kana iyo redunhu bhodhi logic basa risingakwanise kuzadzisa icho chaicho chinodikanwa, chinoda kugadzirwazve kudzamara chasangana nemashandisiro ekushandisa.Zvinogona kuoneka kuti iyo yechinyakare dhizaini nzira haina kungoita imwe dhigirii yekuitika, asi ine zvakare yakareba dhizaini kutenderera, iyo inokanganisa budiriro inoshanda yeakasiyana maitiro.Kana zvikamu zvikakundikana, kuchengetedza kwakaoma uye mari yacho yakakwirira.
Nechikonzero ichi, system programmable tekinoroji (ISP) yakaonekwa, vashandisi vanogona kuve nebasa rekudzokorodza gadziriso yavo yekugadzira zvinangwa uye sisitimu kana redunhu bhodhi uye zvimwe zvikamu, vachiona maitiro evagadziri 'hardware chirongwa kune software chirongwa, digital system pa hwaro hwe system programmable tekinoroji inotora chimiro chitsva.Nekuunzwa kweiyo system programmable tekinoroji, kwete chete kutenderera kwedhizaini kunopfupikiswa, asi zvakare kushandiswa kwezvikamu kunowedzera zvakanyanya, kuchengetedza kwemunda uye mabasa ekunangwa emidziyo anorerutswa.Chinhu chakakosha cheiyo system programmable tekinoroji ndechekuti haidi kufunga kuti mudziyo wakasarudzwa une chero pesvedzero kana uchishandisa system software kuisa pfungwa.Panguva yekuisa, zvikamu zvinogona kusarudzwa pamadiro, uye kunyange chaiwo zvikamu zvinogona kusarudzwa.Mushure mekuiswa kwapera, kugadzirisa kunogona kuitwa.
Nguva yekutumira: Zvita-21-2022
