Nekuvandudzwa uye kushandiswa kwemukati we LED kuratidza, zvinogona kuonekwa kuti kuratidzwa kwe LED kunowedzera uye kushandiswa zvakanyanya munzvimbo yekuraira, nzvimbo yekutarisa uye kunyange studio.Nekudaro, kubva pakuita kwese kweiyo LED kuratidza sisitimu, izvi zvinoratidzira zvinogona kusangana nezvinodiwa nevashandisi?Mifananidzo inoratidzwa pazviratidziro zve LED inoenderana nekuona kwevanhu here?Aya ma LED anoratidza anogona kumira akasiyana kamera shutter angles?Idzi ndidzo nyaya dzinofanirwa kutariswa kune ma LED kuratidza.Nekudaro, grey chiyero ndicho kiyi yekuvandudza iyo yakaderera kupenya kuratidza maitiro e LED kuratidza.Parizvino, vatengi vane zvakakwirira uye zvepamusoro zvinodiwa zvemhando yemufananidzo wechiratidzo chekuratidzira, uye zvakanyanya kukosha kuti LED inoratidzira skrini kuti iwane mhedzisiro ye "kupenya kwakaderera, yakakwira grey".Saka ini ndichaita ongororo chaiyo kubva pakuona kwegireyi nhanho inobata iyo LED kuratidza maitiro.
- Chii chinonzi grey scale?
- Chii chinokanganisa greyscale pachiratidziri?
- Pane nzira mbiri dzekudzora grey level ye led kuratidza.
1.Chii chinonzi grey scale?
Iyo grey level ye LED kuratidza inogona zvakare kunzi LED kupenya.Iyo grey nhanho yeratidziro ye LED inoreva kupenya nhanho iyo inogona kusiyaniswa kubva kune yakasviba kusvika kune inopenya mune imwecheteyo kupenya chiyero che LED kuratidza.Muchokwadi, iyo grey level inogona zvakare kunzi halftone, iyo inoshandiswa kuendesa mufananidzo data kune yekudzora kadhi.Iyo yepakutanga grey level ye LED kuratidza inogona kuva 16, 32, 64. Nekufambira mberi kwekombiyuta, 256 ikozvino inoshandiswa nevagadziri vemazuva ose.Iyo grey level ye LED kuratidza skrini inogadziriswa kuita 16, 32, 64 uye 256 mazinga emapikisi efaira kuburikidza nekugadzirisa matrix, kuitira kuti chifananidzo chinotapurirwa chive chakajeka.Kunyangwe iri monochrome, maviri-mavara kana akazara-ruvara skrini, kuratidza mifananidzo kana animation, zvinodikanwa kugadzirisa grey nhanho ye LED yega yega inoumba sosi pixel yechinhu.Iko kunaka kwekugadzirisa ndiyo yatinowanzodaidza kuti grey level.
Heino rondedzero yekujekesa.Semuenzaniso, kana iyo tsvuku chaiyo iri 255 uye iyo tsvuku inopenya iri 0, pane mazana maviri nemakumi mashanu nenhatu mavara.Kana iwe uchida kuratidza mifananidzo ine zvinhu zvakafanana, unofanirwa kushandisa 256 color transmission tekinoroji.Semuyenzaniso, kana kukosha kweruvara rwefuremu muvhidhiyo kwakatsvuka 69, uye ratidziro ye LED ine 64 gireyi mazinga chete, ruvara muvhidhiyo yeruvara harugone kuratidzwa zvakajairika.Mhedzisiro yekupedzisira inogona kufungidzirwa, uye zviri pachena kuti mufananidzo wacho wakajeka uye wakanaka.
Zano: Parizvino, iyo yakanyanya grey level ye LED kuratidza skrini ndeye 256, inozivikanwawo se65536, iyo isingagoni kutaurwa zvisirizvo, nekuti mwenje wega wega we-yakazara-ruvara LED kuratidza skrini inoumbwa neRGB mavara matatu, rumwe ruvara rune 256 grey. mazinga, uye nhamba yese i65536.2.
2.Chii chinokanganisa greyscale pachiratidziri?
Iyo grey level ye LED yemagetsi hombe skrini inoreva shanduko yeakasiyana mavara mazinga pakati peak rima ruvara uye peak inopenya ruvara.Kazhinji, grey chiyero chechinyakare chepamusoro-tsanangudzo ye LED chiratidziro chiri pakati pe14bit ne16bit, iine anopfuura 16384 mazinga emavara, ayo anogona kuratidza shanduko dzakadzama dzemavara emifananidzo.Kana iyo grey nhanho isina kukwana, chiyero cheruvara chinenge chisina kukwana kana gradient ruvara nhanho haizove yakatsetseka zvakakwana, uye ruvara rwemufananidzo wakaridzwa hauzonyatso kuratidzwa.Kusvika pamwero mukuru, mhedzisiro yekuratidzira kweiyo LED skrini inoderedzwa.Kana mufananidzo wakatorwa ne 1/500s shutter ine mavara akajeka, zvinoratidza kuti grey level yescreen yakaderera.Kana iwe ukashandisa yekumhanyisa shutter yepamusoro, senge 1/1000s kana 1/2000s, iwe uchaona zvimwe zviri pachena zvigamba zvemavara, izvo zvinokanganisa zvakanyanya mufananidzo wese aesthetics.
3.Pane nzira mbiri dzekudzora grey level ye led kuratidza.
Imwe ndeye kushandura ikozvino kuyerera, uye imwe ndeye pulse width modulation.
1. Shandura ikozvino inoyerera kuburikidza ne LED.Kazhinji, machubhu e LED anobvumira kuenderera mberi kushanda ikozvino kwe20 mA.Kunze kwekuzara kwema LED matsvuku, grey chiyero chemamwe maLED anonyanya kuenzana neazvino anoyerera kuburikidza nawo;
2. Imwe nzira ndeyekushandisa iyo inoonekwa inertia yeziso remunhu kuona grey control nekushandisa pulse wide modulation method, ndiko kuti, nguva nenguva shandura light pulse width (kureva duty cycle).Chero bedzi kutenderera kwemwenje kunodzokororwa kuri kupfupi zvakakwana (kureva kuti mwero wekuzorodza wakakwira zvakakwana), ziso remunhu harigone kunzwa mapikisi echiedza achizunguzika.Nekuti PWM inonyanya kukodzera kutonga kwedhijitari, anenge ese ma LED skrini anoshandisa PWM kudzora grey level nhasi kana mamicrocomputer anoshandiswa zvakanyanya kupa LED kuratidza zvemukati.Iyo LED control system inowanzo umbwa neiyo main control box, scanning board uye kuratidza uye control mudziyo.
Iyo hombe yekudzora bhokisi inowana iyo kupenya data yerudzi rwega rwepikseli kubva pakadhi rekuratidzira rekombuta, uye wozoigovera kune akati wandei mabhodhi ekuongorora.Imwe neimwe scanning board ine basa rekudzora akati wandei mitsara (makoramu) pa LED inoratidzira skrini, uye kuratidza uye kutonga masaini e LEDs pamutsara wega wega (column) inofambiswa nenzira ye serial.
Parizvino, kune nzira mbiri dzekutepfenyura serial yemasaini ekudzora masaini:
1. Imwe ndeye kudzora nechepakati grey nhanho yepixel imwe neimwe poindi pane scanning board.Iyo scanning board inoodza kukosha kwegrey level yemutsara wega wega wepixels kubva mubhokisi rekutonga (kureva, pulse wide modulation), uye yobva yatumira chiratidzo chekuvhura chemutsara wega wega weLED kune inoenderana LED muchimiro chepulse (1 kana iri lit, 0 kana isina kuvhenekerwa) mumutsara serial modhi yekudzora kana yakabatidzwa.Iyi nzira inoshandisa midziyo mishoma, asi huwandu hwe data inofambiswa serially yakakura.Nekuti mukutenderera kwemwenje unodzokororwa, pixel yega yega inoda 16 pulses pa16 mazinga egrey uye 256 pulses pa256 mazinga egrey.Nekuda kwechishandiso chekushanda frequency kudzikiswa, ma LED skrini anogona chete kuwana gumi nematanhatu mazinga egrey.
2.Imwe ndeye pulse width modulation.Iyo scanning board serial transmission yemukati haisi chiratidzo chekuchinja che LED yega yega, asi 8-bit binary grey kukosha.Imwe neimwe LED ine yayo pulse wide modulator yekudzora nguva yekuvhenekesa.Nenzira iyi, mukutenderera kwemwenje unodzokororwa, pixel yega yega inongoda 4 pulses pa 16 mazinga e grey uye 8 pulses pa 256 mazinga e grey, zvakanyanya kuderedza serial transmission frequency.Neiyi nzira yekudzora kudzora kwe LED greyscale, 256 level greyscale control inogona kuitika nyore.
Kune akawanda akatevedzana masikirini mukamuri yeMPLED asvika pagrey level ye16bit, senge ST Pro, WS, WA, nezvimwe, izvo zvinogona kunyatsoratidza ruvara rwepakutanga rwemifananidzo nemavhidhiyo.Panyaya yekumhanya-mhanya mafoto, iwo ari pamusoro pemavara mabhuroki haagone kuoneka.Masikirini anogadzirwa nemhando yepamusoro-giredhi mbishi zvinhu, izvo zvinogadzirwa zvepamusoro-soro muindasitiri.Isu tinopa akasiyana pixel spacing saizi sarudzo, pamwe neakasiyana emhinduro dzeprojekiti.Kana iwe uchida kutenga batch yediki diki skrini nguva pfupi yadarika, ndapota taura nesu, mutungamiri we led one-stop service.-MPLED.
Nguva yekutumira: Nov-15-2022
