Kutheni ilanga likhanya

Ukuba ekuqaleni kwentuthuko yekhompyutheni yekhompyutheni ubukho bekhompyutheni yasekhaya ngokukhawuleza kubonise ukhuseleko kunye nobuchule obubalaseleyo bomnini walo, kwiminyaka emibini edlulileyo imeko yatshintshile kakhulu. Ikhompyutha kunye ne-laptop ziba ziimpawu eziqhelekileyo zobomi banamhlanje njengomshini wokuhlamba ngokuzenzekelayo okanye ifowuni. Akumangalisi ukuba kwiifom kwi-intanethi yomhlaba wonke, umbuzo ubuzwa ukuba kutheni umlindi ukhanya. Ngombolo encinci yabasebenzisi, abanye babengazange baqwalasele oku, abanye babengazange babone konke. Kwaye emva kokuba ngaphezulu kwesigxina sobemi behlabathi bajoyina uluntu oluqinileyo, baqala ukudala iindatshana ngegama elikhulu "i-monitor is flickers!" Ekuboneni kokuqala, kunokubonakala ngathi ingxaki yokuqhaqhazela isele kudlulileyo, ipheleka kunye nabagadi be-CRT abanamaqhinga, kodwa ngaba loo nto ilula?

Ukuba i-monitor iqhaqhazela, oku kudala umthwalo owongezelelweyo emehlweni, kwaye ukuba uyayicinga ubude bexesha osebenza kwikhompyutha, lo mbandela ubaluleke kakhulu. Ukuyiqonda kwaye, ekugqibeleni, ukuphawula "kunye", mhlawumbi, kulungele ukuqala nge-excursion encinane kwimbali.

Kwangexesha elide, bonke abagadi beekhompyutheni badalwa ngokusekelwe kwi-CRT. Le teknoloji yayingenalo ifanane. Nangona benemisebenzi enjalo, iifowuni zokubonisa izixhobo ezinjalo zazijongene ngokugqithiseleyo, abaninzi abasebenzisi babedla ukuba i-monitor iqhafaza. Bekunene. Umgaqo we-CRT kukuba imilambo emininzi yamathethoni, elawulwa yimimandla, iwela kumbindi wangaphakathi kwiphubhu, ehlanganiswe ngumbutho okhethekileyo. Kwinqanaba apho imilambo ibetha, ukubunjwa (phosphor) kuqala ukukhanya. AmaRay afana nokudweba umgca ngomgca, uhamba ukusuka phezulu ukuya phezulu. Emva koko yonke into iyaziphinda.

Igama elithi "ukulandelelana kwexesha" libonisa ukuba zihlandlo eziliphi ngeesibini imilambo yakha umfanekiso kwiskrini. Ngenxa yombono wombono womfanekiso, i-illusion of image ephelele yenziwa. Uninzi lwabantu lubona lubonakalisa kwixesha eliphantsi kwe-Hertz elingama-75, nangona konke kuxhomekeka kwiimpawu zomzimba. Iinkcukacha ezingakumbi malunga nomsebenzi we-CRT zifumaneka kwiiwebhusayithi ezizodwa nakwiimpapasho eziprintiweyo. Ngoko, unako ukuphelisa umlenze we-CRT iliso ngokukhetha i-frequency ephezulu kwisethingi lomqhubi wekhadi levidiyo.

Kodwa ngomzuzwana umbuzo wokuba kutheni i-LCD iqwalasela i-LCD iqhosha. Kwiingqungquthela ezininzi kule ngxaki, iingxabano ezinzulu zivuthayo. Kodwa ngokwenene ngexesha le-LCD (i-crystal crystal) ityunjiwe kwathiwa ukuba ingxaki yokuqhaqhaqha isisombululo ngokupheleleyo, kuba umgaqo wokwakha umfanekiso uhluke ngokupheleleyo. Kwaye kwenzeka ukuba kulo mzekelo abavelisi banobuqili, banikela isiqingatha se nyaniso. Kwaye nantsi into. I-matrix, apho iiseli zamakhemikhali ezifakwe ngaphakathi, ayinxibilizi, yonke imzuzwana eyenza umfanekiso wesimo.

Ngomatshini wesixhobo somnxeba wonke umntu uyazi zonke izinto (khumbula igama elidumile "iMontana"). Umthwalo embonweni xa ukhangela amanani kufana nokufunda isicatshulwa kwiphepha (ngokuqinisekileyo, ukuba awuyi kuthatha ingqalelo umahluko phakathi kobukhulu). Nantsi yonke into iyinyaniso. Kodwa ingxaki kukuba umfanekiso owenziwe ngamakristali amachiza kubonakala kuphela ebusweni bomthombo wokukhanya obekwe kwicala eliphambili. Ngehora, oku ukukhanya kwangaphandle kubonakalisa kwi-substrate, kodwa izibane ezikhanyayo ziyakhiwa kwii-monitor. Ngoku baye bathatyathwa ngenyameko ngama-LED. Kwizinto ezininzi zokujonga i-LCD, ukulungiswa kokukhanya kwale mithombo kufezekiswa ngokuthotyelwa kwamandla okuqhuma, okukhokelela ekugqibeleni. Kakade ke, i-frequency ayiwele phantsi kwe-140 Hz (ngokuqhelekileyo ngama-200), kodwa ivakalelwa yimizimba yombono njengengxaki. Isixazululo: khetha imodeli ngaphandle kwe-PWM okanye usethe ukukhanya kwi 100%.