Kodi mukufuna kudziwa zimene zinachititsa-ma TV?

Msika wamakono amapereka zosiyanasiyana zatsopano kunja mmunda za magetsi kunyumba. Lero, kupita ku sitolo, tikuona ambiri ma TV, kuphatikizapo chikalata kugwiritsa ntchito njira zamakono zambiri zamakono. zitsanzo m'malo okwera mtengo ndi gulu LED ma TV. Ndipo ambiri ali ndi chidwi: LED-ma TV - chimene icho chiri, ndipo ngati kuli kofunika kulipira ndalama zambiri iwo?

Chidule anatsogolera zikutanthauza «kuwala emitting diode», amene anamasuliridwa kuti "LED". Zinthu zimene tatchulazi anakonza mu masanjidwewo kupanga maziko a TV ndi zipangizo zaikidwa mu kalasi mosiyana CCFL LCD zowonetsera kalasi (ntchito nyali fulorosenti), komanso kusiyanitsa iwo kuchokera zowonetsera ndi cathodes ozizira.

ndi LED-ma TV mawu a chithunzi khalidwe chophimba chiyani? Ntchito LEDs amapereka ma TV mu kalasi amatha kuonetsa backlight aliyense mchitidwe anasonyeza, monga kuyenera nyali kuphatikizapo cathode ozizira, amene pounikira chophimba kwathunthu. Njira imeneyi zimathandiza kupeza mtundu wachibadidwe latsopano Mosiyana ndi zimene zimapangitsa fano zomveka. Komanso, LED-ma TV, omwe luso angagwiritsidwe ntchito ngati imodzi mtundu kapena LEDs Tri-mtundu, kupereka onse mtundu gamut, amene ali kuwerengedwa kwa zitsanzo zina TV.

Mu nthawi yathu, mu kupanga zida za magetsi banja zosiyanasiyana zinthu ntchito kawirikawiri zokwanira, amaipitsa malo, amene saganizira chitetezo m'tsogolo. Choncho, anthu ena chanzeru kuganizira mfundo zimenezi zinachititsa-ma TV mu mawu a chitetezo chilengedwe, ndi mmene iwo akhoza kuwataya m'tsogolo. Ndipo iwo akhoza kukhala uthenga wabwino: LED-kachitidwe mulibe zigawo Mercury; Mosiyana ndi mababu incandescent, zimawononga 35-40% zochepa mphamvu. Komanso, kuwonongeka kwa mbali yaing'ono ya TV kumatanthauza anasiya mafano. TV akhoza amamuyang'anira m'tsogolo.

Kusankha TV mu sitolo, kulabadira ena achidule zina mu mutu - Direct kapena Kudera. Ndipo ambiri amafuna kudziwa zimene zinachititsa-ma TV Direct kalasi. Direct mawu Pankhaniyi zikutanthauza kuti LEDs ali uniformly anakonza mu zenera, ndi mawu Kudera - kuti khamu diode ili ku m'mbali chophimba wodzilemekeza ndiponso ndi diffusing gululi. Akukhulupirira kuti kalasi Direct TV amasonyeza bwino ndiponso zodula, ndi Kudera zitsanzo ndi kuthokoza anthu ambiri wochindikala osachepera (chithunzi ichi zikhoza kukhala mozungulira 4 cm).

The kalasi atsopano LED dongosolo sayansi magwiridwe kwambiri. Intaneti, luso kukopera kuona owona (nyimbo, zithunzi), kutenga kuchokera foni kapena kudzera cholumikizira USB, fano Converter mu 3D (mu 2D), Access Skype, kuonera 3D wopanda magalasi - ndicho chimene LED-ma TV lero. Inu basi ayenera kutenga saizi yotchinga - si oyenera zipinda zonse lalikulu kwambiri, choncho amapereka kwa tirigu mu chifanizo, zomwe zimachititsa kuti n'kovuta kusangalala ndi luso lamakono ... zitsanzo zonse LED-ma TV ndi pulani wokongola kuti zimawathandiza kuti agwirizane mwangwiro mu zamkati aliyense, ndipo ngakhale kukhala anakopekanso ake.