Yam khoom | Yam nqi | Chav tsev |
Loj | 2.8 | Ntiv |
Kev daws teeb meem | 240 RGB * 320 teev | - |
Outling dimension | 50.00 (W) * 69.2 (H) * 2.3 (T) | mm |
Saib cheeb tsam | 43.2 (W) * 57.6 (H) | mm |
Hom | TFT | |
Saib kev taw qhia | 12 teev | |
Hom kev sib txuas: | COG + FPC | |
Ua haujlwm kub: | -20 ℃ -70 ℃ | |
Cia kub: | -30 ℃ -80 ℃ | |
IC tsav tsheb: | ib 9341 | |
Interfce hom: | MCU & RGB & SPI | |
Brightness: | 240 CD/㎡ |
STN kua siv lead ua txoj cai
Lub ntiaj teb thawj LCD saib tau tshwm sim thaum xyoo 1970s thiab raug hu ua TN-hom LCD saib (Twisted
Nematic, twisted nematic).1980s, STN LCD (Super Twisted Nematic)
tshwm sim tib lub sijhawm, TFT kua siv lead ua zaub (ThinFilmTransistor nyias zaj duab xis transistor) tau npaj siab.
Cia peb tham txog lub hauv paus ntsiab lus ntawm TN LCD ua ntej.Lub hauv paus ntsiab lus ntawm STN LCD thiab TN LCD yog tib yam.
Cov molecules yog twisted ntawm cov ces kaum sib txawv.
Lub nematic kua siv lead ua yog sandwiched ntawm ob daim iav.Qhov saum npoo ntawm lub khob no yog thawj plated nrog pob tshab thiab conductive zaj duab xis rau hluav taws xob.
Polarizers, thiab tom qab ntawd phaj tus neeg saib xyuas qhov chaw ntawm lub khob nrog cov yeeb yaj kiab nyias nyias los ua kom cov kua muaju qis qis-ib qho tshwj xeeb thiab sib npaug rau cov iav nto.
Lub ntsej muag yog aligned.Lub ntuj lub xeev ntawm cov kua siv lead ua kua muaj ib tug twist ntawm 90 degrees.Lub tshuab hluav taws xob tuaj yeem siv los hloov cov kua siv lead ua kua, thiab lub zog refraction ntawm cov kua siv lead ua kua
Tus lej hloov nrog cov kev taw qhia ntawm cov kua siv lead ua kua, thiab cov nyhuv yog qhov polarization ntawm lub teeb hloov tom qab dhau los ntawm TN kua siv lead ua.Cia li xaiv txoj cai
Lub thickness ntawm lub teeb hloov lub polarization ntawm lub teeb raws nraim 90 °, thiab ob qho tib si polarizers tuaj yeem siv los ua kom lub teeb tsis tuaj yeem hla dhau.Thiab ko taw
Qhov hluav taws xob txaus tuaj yeem ua rau cov kev taw qhia ntawm cov kua siv lead ua kua sib npaug mus rau cov kev taw qhia ntawm lub tshuab hluav taws xob, kom lub polarization ntawm lub teeb yuav tsis hloov thiab lub teeb tuaj yeem dhau mus.
Qhov thib ob polarizer.Yog li, qhov ci ntawm lub teeb tuaj yeem tswj tau.Raws li tau hais ua ntej, cov ntsiab lus ntawm STN hom kua siv lead ua kua thiab TN hom kua siv lead ua kua
Lub hauv paus ntsiab lus yog tib yam, tshwj tsis yog tias nws tig qhov teeb meem teeb ntawm 180 ~ 270 degrees es tsis txhob 90 degrees.Ntxiv mus, ib qho yooj yim TN-hom kua siv lead ua zaub.
Tsuas muaj ob qhov txawv ntawm lub teeb thiab ntxoov ntxoo.STN LCD yog lub teeb ntsuab thiab txiv kab ntxwv.Tab sis yog nyob rau hauv ib txwm monochrome STN LCD
Ntxiv cov xim lim rau cov zaub, thiab faib txhua pixel hauv monochrome zaub matrix ua peb sub-pixels.
Lub lim qhia peb lub ntsiab xim liab, ntsuab, thiab xiav, thiab cov xim tuaj yeem pom.