Paub txog lub teeb RGB ntawmTshuaj Ntsuam Xyuas Tawv Nqaij
RGB yog tsim los ntawm lub hauv paus ntsiab lus ntawm kev ci ntsa iab ntawm xim. Hauv cov lus yooj yim, nws txoj kev sib tov xim zoo li lub teeb liab, ntsuab, thiab xiav. Thaum lawv lub teeb sib tshooj, cov xim sib xyaw, tab sis qhov ci ntsa iab sib npaug. Qhov sib xyaw ua ke ntawm qhov ci ntsa iab ntawm ob qho, qhov sib xyaw ntau dua qhov ci ntsa iab dua, uas yog, kev sib xyaw ntxiv.
Rau qhov sib tshooj ntawm cov teeb liab, ntsuab thiab xiav, qhov chaw sib tshooj ci ntsa iab tshaj plaws ntawm peb xim hauv nruab nrab yog dawb, thiab cov yam ntxwv ntawm kev sib xyaw ua ke: qhov sib tshooj ntau dua, qhov ci dua.
Txhua peb txoj xim, liab, ntsuab, thiab xiav, muab faib ua 256 qib ci ntsa iab. Thaum 0, "lub teeb" yog qhov tsis muaj zog tshaj plaws - nws raug tua, thiab thaum 255, "lub teeb" yog qhov ci tshaj plaws. Thaum cov nqi greyscale peb xim zoo ib yam, cov xim grey nrog cov nqi greyscale sib txawv raug tsim, uas yog, thaum cov xim greyscale peb xim yog 0 tag nrho, nws yog lub xim dub tsaus tshaj plaws; thaum cov xim greyscale peb xim yog 255, nws yog lub xim dawb ci tshaj plaws.
Cov xim RGB hu ua cov xim ntxiv vim tias koj tsim cov xim dawb los ntawm kev ntxiv R, G, thiab B ua ke (uas yog, tag nrho lub teeb rov qab los rau lub qhov muag). Cov xim ntxiv yog siv rau hauv teeb pom kev zoo, TV thiab cov khoos phis tawj saib. Piv txwv li, cov zaub tsim cov xim los ntawm kev tso tawm lub teeb los ntawm cov phosphors liab, ntsuab, thiab xiav. Feem ntau ntawm cov spectrum pom tau tuaj yeem sawv cev ua qhov sib xyaw ntawm lub teeb liab, ntsuab, thiab xiav (RGB) hauv ntau qhov sib piv thiab qhov sib zog. Thaum cov xim no sib tshooj, cyan, magenta, thiab daj raug tsim.
Cov teeb RGB yog tsim los ntawm peb lub xim tseem ceeb ua ke los tsim ib daim duab. Tsis tas li ntawd, kuj tseem muaj cov LED xiav nrog cov phosphors daj, thiab cov LED ultraviolet nrog RGB phosphors. Feem ntau hais lus, ob qho tib si muaj lawv cov ntsiab cai duab.
Ob lub teeb dawb LED thiab RGB LED muaj tib lub hom phiaj, thiab ob leeg vam tias yuav ua tiav cov nyhuv ntawm lub teeb dawb, tab sis ib qho yog nthuav tawm ncaj qha ua lub teeb dawb, thiab lwm qhov yog tsim los ntawm kev sib xyaw xim liab, ntsuab thiab xiav.
Lub sijhawm tshaj tawm: Plaub Hlis-21-2022
