Shayga | Qiimaha caadiga ah | Unug |
Cabbirka | 2.8 | Inji |
Qaraarka | 240RGB*320dhibcood | - |
Cabbirka soo baxay | 50.00 (W)*69.2(H)*2.3(T) | mm |
Aagga daawashada | 43.2 (W)*57.6 (H) | mm |
Nooca | TFT | |
Jihada daawashada | 12 saac | |
Nooca isku xirka: | COG + FPC | |
Heerkulka shaqada: | -20 ℃ -70 ℃ | |
Heerkulka kaydinta: | -30 ℃ -80 ℃ | |
Darawalka IC: | ILI9341 | |
Nooca interfeedka: | MCU&RGB&SPI | |
Iftiin: | 240 CD/㎡ |
STN dareeraha crystal mabda'a
Kormeerihii ugu horreeyay ee LCD-ga adduunka wuxuu soo muuqday horraantii 1970-meeyadii, waxaana loo yaqaannaa kormeeraha LCD-nooca TN ah (Twisted).
Nematic, maroojin nematic).1980-meeyadii, STN LCD (Super Twisted Nematic)
Soo muuqday isla wakhtigaas, tignoolajiyada TFT dareere crystal (ThinFilmTransistor thin film transistor) ayaa la soo jeediyay.
Aynu ka hadalno mabda'a TN LCD marka hore.Mabda'a soo bandhigida ee STN LCD iyo TN LCD waa isku mid.
Unugyadu waxay ku maroorsan yihiin xaglo kala duwan.
Karistan dareere nematic ah ayaa lagu dhex daraa laba qaybood oo galaas ah.Dusha sare ee muraayaddan ayaa marka hore lagu dhejiyay filim hufan oo korantada ah.
Polarizers, ka dibna ku dheji wakiilka toosinta dusha muraayadda leh electrode-filim khafiif ah si ay u sameeyaan kiristaalo dareeraha hoos u-gaar ah oo barbar socda dusha muraayadda
Wajiyadu waa toosan yihiin.Xaaladda dabiiciga ah ee kristanta dareeraha ah waxay leedahay leexashada 90 darajo.Beerta korantada waxaa loo isticmaali karaa in lagu beddelo crystal dareeraha ah, iyo nidaamka dib u soo celinta ee crystal dareeraha
Nambarku wuxuu isbeddelaa jihada kristanta dareeraha ah, saameyntuna waa in polaration-ka iftiinka uu isbeddelo ka dib marka la soo maro kristanta dareeraha TN.Kaliya dooro xaqa
Dhumucdiisuna waxay beddeshaa polarization ee iftiinka by saxda ah 90 °, iyo laba polarizers barbaro ah ayaa loo isticmaali karaa si ay u gebi ahaanba aan macquul ahayn in la dhex maro iftiinka.Iyo cagta
Korantada ku filan waxay ka dhigi kartaa jihada crystal dareere barbar socota jihada korantada, si polarization ee iftiinka uusan isbeddelin oo iftiinku u gudbi karo
Polarizer labaad.Sidaa darteed, iftiinka iftiinka waa la xakameyn karaa.Sida hore loo soo sheegay, walxaha soo bandhigay ee nooca STN dareere crystal iyo nooca TN dareere crystal
Mabda'a waa isku mid, marka laga reebo in uu ku wareejinayo iftiinka dhacdada 180 ~ 270 darajo halkii uu ka ahaan lahaa 90 darajo.Waxaa intaa dheer, muuqaal khafiif ah oo nooca TN ah oo dareere ah.
Waxaa jira laba kala duwanaansho oo keliya oo iftiin iyo hadh ah.STN LCD inta badan waa cagaar khafiif ah iyo oranji.Laakiin haddii ay ku jirto monochrome dhaqameed STN LCD
Ku dar shaandhada midabka shaashadda, oo u qaybi pixel kasta oo ku jira shaxanka muraayadda monochrome saddex-pixel-hoosaad.
Shaandheeyaha ayaa soo bandhigaya saddexda midab ee aasaasiga ah ee casaan, cagaar, iyo buluug, midabadana waa la soo bandhigi karaa.