Ma TV ndi makono osamalidwa samatenga malo ambiri - akhala ochepa kwambiri chifukwa cha matebulo atsopano. Tsopano ndizosowa mu nyumba yomwe simukuwona chikhalidwe cha mtendere wamadzulo madzulo - LCD kapena TV TV . Ndipo ngati mukufuna basi kugula, mwina muli ndi funso lokhudza LCD kapena LED - nchiyani chabwino? Tiyeni tiwone izo.
LCD ndi ma TV a LED: kusiyana
Ndipotu, kusiyana pakati pa LCD ndi LED ndi kochepa kwambiri. Mitundu yonseyi imakhudzana ndi matekinoloje amakono, omwe amagwiritsira ntchito madzi amchere, omwe ali ndi mbale ziwiri. Pakati pawo pali makristasi amadzi, kusintha malo awo pansi pa mphamvu ya magetsi. Pogwiritsira ntchito mafayilo apadera ndi lamagetsi a backlight, malo owala ndi amdima amaonekera pamwamba pa mimba. Ngati mumagwiritsa ntchito mafyuluta a mitundu kumbuyo kwa masewerawa, chithunzi cha mtundu chikuwonekera pazenera. Ndi mtundu wanji wa kuwunika kumagwiritsidwe ntchito - izi ndi zomwe LCD zimasiyana ndi LED.
Oonera LCD kapena ma TV amagwiritsira ntchito magetsi opangira kuwala ndi nyali zoziziritsa kukhosi zamtundu wa madzi zomwe zimagwiritsidwa ntchito m'matope. Iwo ali mu chikwati chozungulira. Pankhani imeneyi, nyali za LCD zimapitirizabe, ndipo chifukwa chakuti madzi osanjikiza sangathe kuzimitsa mbuyo, pazenera lakuda timawona mdima wakuda.
Oyang'anitsitsa LED ali kwenikweni a subset ya LCD, koma amagwiritsa ntchito mitundu yosiyana - kuwala. Pankhaniyi, ma LED ali pambali kapena molunjika kwambiri. Popeza kuti n'zotheka kuwayang'anira, ndiko kuti, kuti asokoneze kapena kuwalitsa madera ena, kusiyana kwa fano la oyang'anitsitsa magetsi kapena ma TV akuposa kusiyana kwa LCD. Kuonjezerapo, maonekedwe abwino: mukhoza kuona mafilimu omwe mumawakonda popanda mapulogalamu. Mwa njira, mtundu wakuda umatuluka kwambiri.
Kusiyanitsa kwakukulu pakati pa LCD ndi LED ndizokuti mphamvu yogwiritsira ntchito mphamvuyo ndi yotsika kwambiri. Chifukwa cha kuwala kwa LED, kugwiritsa ntchito mphamvu kwa TV ndi kuwunika kumachepetsedwa kufika pafupifupi 40% poyerekeza ndi LCD. Ndipo fano la izi silikuvutika!
Mafilimu a LED ndi ma LCD ali mu makulidwe. Kugwiritsa ntchito ma LED kumapangitsa kupanga ultra-thin thin LEDs 2.5 cm wakuda.
Koma ubwino wa zipangizo za LCD zimakhalabe zowonjezereka komanso zosagwira poyerekeza ndi LED.