Vaj huam sib txog tej zaub LCD los STN iav luag

Vaj huam sib txog tej zaub LCD los STN iav luag

Super cov Nematic (STN) LCDs txawm tias cov Nematic LCDs yuav tsum uas tau tsav nyob rau ib lub sij hawm multiplexed zam kom qhia zaub, lawv yuav txwv tsis tau ntawd muaj ntau-heev thiab lub qhov xwb. After lus ntau heev multiplexed, super ntswj tshuab lawm...

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Super cov Nematic (STN) LCDs

Txawm tias cov Nematic LCDs yuav tsum uas tau tsav nyob rau ib lub sij hawm multiplexed zam kom qhia zaub, lawv yuav txwv tsis tau ntawd muaj ntau-heev thiab lub qhov xwb. After lus ntau heev multiplexed, super twist tshuab yog ua ntawv thov.

Super cov Nematic LCDs muaj ib twist uas siab tshaj 90°, tiam sis yau dua 360°. Tam sim no cov lus STN yog los nrog lub twist ntawm 180° thiab 270°. Cov twist ntau ces kaum ua steeper Harbor curves uas rau cov ua haujlwm thiab tsis ua voltages los ze zog ua ke. Qhov kev ceeb toom txog steeper cia multiplex cov nqi ntau tshaj li 32 mus yuav.

Nyob rau hauv hom zaub, cov khoom siv LC undergoes ib tug ntau dua li 90° ntswj los ntawm phaj rau phaj; qhov tseem ceeb raug li ntawm 180° rau 270°. Lub polarizers qhov no yuav tsis mounted parallel rau LC hauv lub qhov chaw tab sis ntawm ces kaum ib co theej. Qhov ntawm tes, vim li no, tsis ua hauj lwm rau ntawm ib lub teeb "guiding" txojcai, xws li tom cov Nematic LCDs, tiam sis nyob ib birefringence tso. Qhov chaw ntawm lub polarizers, lub xovtooj ntawm thickness thiab cov birefringence ntawm cov LC yuav ua tib zoo xaiv ua tau rau ib tug xim nyob rau hauv lub "tawm" hauv lub xeev. Feem ntau, nws yog ib tug daj-ntsuab rau maximize tus zoo ib piv. Tus LC hauv lub xovtooj ntawm yog "super nkoov" uas yuav muab nws lub peev xwm siv lub siab tus nqi multiplex. Raws li tus twist no si, molecules LC nyob nruab nrab ntawm txheej yog kws dlhos nrog applied electric teb tau me me thiab cov kev hloov nyob rau koj voltage. Qhov no yuav qhia ntxiv rau ib kis ntxhab heev thiab voltage nkhaus, tas li 240-kab multiplexing.

Cov STN siv tshuab ua li rau ob colorations, STN ntsuab thiab nyiaj STN. STN-ntsuab muaj tsaus Violet / dub cim rau ib tug tom qab ntsuab. STN-nyiaj muaj doog xiav / dub cim ntawm ib cov nyiaj tom qab. Txawm tias cov nqi yog nyob hauv nruab nrab qib, tiam sis nws muaj kev zoo zoo heev. Tus zoo ib yog zoo li tshuab TN.


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