A wayar LCD(Liquid Crystal Display) nau'in fasahar allo ne da aka saba amfani da shi a cikin na'urorin hannu kamar wayoyi da allunan.Nuni ne mai lebur wanda ke amfani da lu'ulu'u na ruwa don ƙirƙirar hotuna da launuka akan allon.
Fuskokin LCD sun ƙunshi yadudduka da yawa waɗanda ke aiki tare don samar da nuni.Abubuwan farko sun haɗa da hasken baya, Layer na lu'ulu'u na ruwa, tace launi, da polarizer.Hasken baya shine yawanci haske ko LED (Light-Emitting Diode) wanda yake a bayan allon, yana samar da hasken da ya dace.
Layer na lu'ulu'u na ruwa yana tsakanin yadudduka biyu na gilashi ko filastik.Lu'ulu'u na ruwa sun kasance da kwayoyin halitta waɗanda zasu iya canza daidaitarsu lokacin da ake amfani da wutar lantarki.Ta hanyar sarrafa igiyoyin lantarki a kan takamaiman wurare na allon, lu'ulu'u na ruwa na iya sarrafa tafiyar haske.
Launin tace launi yana da alhakin ƙara launi zuwa hasken da ke wucewa ta cikin lu'ulu'u na ruwa.Ya ƙunshi matatun ja, kore, da shuɗi waɗanda za a iya kunna su daban-daban ko kuma a haɗa su don ƙirƙirar launuka masu yawa.Ta hanyar daidaita ƙarfi da haɗin waɗannan launuka na farko, LCD na iya nuna inuwa da launuka iri-iri.
Ana sanya yadudduka na polarizer a ɓangarorin waje na panel LCD.Suna taimakawa wajen sarrafa yanayin hasken da ke wucewa ta cikin lu'ulu'u na ruwa, suna tabbatar da cewa allon yana samar da hoto mai haske da bayyane idan an duba shi daga gaba.
Lokacin da aka yi amfani da halin yanzu na lantarki zuwa takamaiman pixel akanLCD allon, lu'ulu'u na ruwa a cikin wannan pixel suna daidaitawa ta hanyar ko dai toshe ko ba da damar haske ya wuce ta.Wannan magudin haske yana haifar da hoton da ake so ko launi akan allon.
LCDs ta hannu tana ba da fa'idodi da yawa.Za su iya samar da hotuna masu kaifi da cikakkun bayanai, daidaitaccen haifuwa mai launi, da babban ƙuduri.Bugu da ƙari, fasahar LCD gabaɗaya ta fi ƙarfin aiki idan aka kwatanta da sauran fasahar nuni kamar OLED (Organic Light-Emitting Diode).
Koyaya, LCDs kuma suna da wasu iyakoki.Yawanci suna da ƙayyadaddun kusurwar kallo, ma'ana cewa ingancin hoto da daidaiton launi na iya ƙasƙantar da kai idan aka duba su daga matsanancin kusurwoyi.Bugu da ƙari kuma, allon LCD yana gwagwarmaya don cimma zurfin baƙar fata tun lokacin da hasken baya yana haskaka pixels kullum.
A cikin 'yan shekarun nan, nunin OLED da AMOLED (Active-Matrix Organic Light-Emitting Diode) nuni sun sami shahara a masana'antar tafi-da-gidanka saboda fa'idodinsu akan LCDs, gami da mafi kyawun ma'auni na banbance-banbance, faɗuwar kusurwar kallo, da abubuwan sirara.Duk da haka, fasahar LCD ta kasance da yawa a cikin na'urorin hannu da yawa, musamman a cikin zaɓuɓɓuka masu dacewa da kasafin kuɗi ko na'urori masu takamaiman buƙatun nuni.
Lokacin aikawa: Juni-30-2023