Amakhompyutha, Imishini
Kuyini nalokho isibonisi?
Kungabonakali kwafika isikhathi lapho abaqaphi esekelwe cathode ray amashubhu (CRT) ziye zanyamalala ngokuphelele emashalofini ezitolo nemishini computer, sithathelwe indawo LCD nozakwabo. Engayazi lobu buchwepheshe, abantu ngokuvamile uthole bedidekile ngokuya, njengoba kukhona izihloko eziningana ngendaba efanayo. Ukuze kungabikho muntu ophathwa ukudideka, ake nje ukucacisa lokhu: LCD, LCD - konke sinye siyafanana okucaciswe luketshezi ubuchwepheshe kunokuba ezahlukene. LCD kusho okucaciswe luketshezi. Ngendlela ecashile, futhi lapha akunakubangelwa ethemini «TFT», kusho ukusetshenziswa mncane ifilimu transistors ukulawula matrix. Njengoba azisetshenziswa ngendlela CRT, kusobala ukuthi amazwi akhe aphathelene TFT futhi kubonisa phezu LCD.
Esikhundleni CRT Abaqaphi obudala LCD yesimanje, abanikazi abaningi babhekana lomkhuba isimanga - okokuqala emva ushintsho uzoqala ubuhlungu emehlweni, futhi amanye aze ngisho sobuso besimayili nokukhophozela. Ngakho, umbuzo ozolandela - "Kungenzeka kanjani ukuthi ngibe ukuqapha isethaphu zamehlo." I Network inikeza eziningi izincomo, kodwa iningi labo aziphelele, ngoba imbangela okwenzekayo ngobuqili kakhulu ukunganakwa. Ngempela, uma i-contrast qapha nokukhanya ku-LCD futhi CRT ubuchwepheshe kukhona imiqondo efanayo, bese kusuka kabi emehlweni lapho esebenza LCD? Phela, lokhu akufanele kube. Imbangela iso ukukhathala eqiniso ukuthi LCD Abaqaphi ukulotha. I yokusebenza isimiso of the Fluorescent isibani ukukhanya okusekelwe esithweni igesi tube, ngisho yesimanje LED-izibani futhi ukukhanya okulokozayo esingokwemvelo (wokufundwayo control PWM ka LED). Ngaphezu kwalokho, umbala luminescence njengoba nezibani nezindlawu diodes - nemvelo, it has spectrum engaphelele. "Ngu iso" ongabonakali, kodwa la mangqamuzana ezibukwayo Ungakhohliswa.
Ngokuvamile, nalokho qapha - kuba inani lenombolo okumele ratio umehluko ukukhanya iphuzu elikhanyayo kakhulu ezimhlophe abantu abamnyama emnyama. I idatha ipasipoti kushiwo ngesimo «xxx: y» nabaqaphi. Eqinisweni, lena enye indlela yokubhala. Ngokwesibonelo, ukubonisa nalokho esiphezulu iLuminance iphuzu 300 cd / m2, nelinanincane lema-0.5 cd / m2 kuyinto (300-0.5) /0.5 = 599: 1. Kukholakala ukuthi ayanda ukubaluleka Ngokuphambene, libukhali isithombe. Ngokwengxenye lokhu kuyiqiniso, kodwa kuphela kuze kube umkhawulo othile, njengenhlangano ukwanda elingapheli kuholela ukuhlanekezela yesithombe (imininingwane ukukhanya on isizinda yekani omhlophe ukuba akachazeki). Uma nalokho qapha alulungiselwe kahle, kungcono omunye izizathu umuzwa isihlabathi emehlweni uma uguqula CRT ukuba LCD.
Qaphela ukuthi zonke izindlela ehlongozwayo nemingcele ukumisa inethiwekhi kukhona subjective. Umsebenzisi ngamunye kumelwe enze izinguquko ezithile, ngenxa nje yokuthi esikuthandayo. Kukhona esakhelwe ukubeka ukukhanya qapha, okuvumela isethi elikhulu ukubaluleka ukukhanya nokuqhathanisa, futhi gamma ohlelweni lokusebenza lwe-Windows 7.
Ngakolunye ideskithophu, chofoza inkinobho yegundane kwesokudla, landela ku "Screen Ukulungiswa", "Yenza umbhalo kanye nezinye izinto ezinkulu noma ezincane" futhi "umbala Ukulinganisa". Ngokuchofoza "Okulandelayo", balandela iseluleko master (lapha kukhona usizo enemininingwane). Ekupheleni uzokwaziswa ukuthi lilungiselele isibonisi amafonti phezu Sula Uhlobo ubuchwepheshe: ku amasampula ukhombise eqondile kakhulu futhi ngokuthi "amanoni" umugqa izinhlamvu.
Ngaphezu kwalokho, ungakwazi ulungise qapha uqobo. Ukuze adalule Ngokuphambene 20-40%, futhi sifinyelele eliphezulu iLuminance isithombe. Kwezinye izimo, ukukhanya kungaba ilingane no-zero, okuyinto eyamukelekayo ngempela. Color lokushisa (ukuphambuka e spectrum ophuzi noma okwesibhakabhaka) kufanele usethe ngesisekelo esikuthandako. It ubhekwa ngaphezulu zemvelo tint ophuzi elihambisana izinga lokushisa umbala elangeni (6300 K). izindlela ezehlukene zokwenza lokhu ukuthuthukisa isithombe ashukumisayo Ngokuphambene isilinganiso ayikuvumeli ukumisa kahle qapha, ngakho-ke kuyadingeka ukuba uqhathanise olukhuthaziwe tindlela zemvelo bese ukhetha okungcono kakhulu wena.
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