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Lub hauv paus ntsiab lus, muaj nuj nqi Thiab Qhuav Technology Ntawm Polarizer

Lub hauv paus ntsiab lus, muaj nuj nqi Thiab Qhuav Technology Ntawm Polarizer

Mar 22, 2017

Lub hauv paus ntsiab lus thiab muaj nuj nqi ntawm polarizer

Polaroid yog invented nyob rau hauv 1938 los ntawm EdwinH.Land, ib tug American Polaroid lub tuam txhab, thiab yog ib tug optical caij uas feem ntau tsis muaj polarized ntuj lub teeb rau hauv polarized lub teeb. Tag nrho cov kua siv lead ua panels muaj ob polarizing daim hlau, yog ib tus uas yog polarizer, thiab lwm yam yog polarizer.Polarizer plays lub luag hauj lwm ntawm kho qhov muag mus, ua kua siv lead ua zaub yuav tsum cia siab rau polarized teeb yuav tsum duab. Cov backlight module yog lub luag hauj lwm rau kev muab cov yooj yim tshaj plaws qhov chaw rau LCD screen imaging, tab sis xa tawm lub teeb taw qhia yog tsis zoo ib yam, radial, Yog hais tias qhov no teeb los ntawm reversing lub kua siv lead ua molecules, peb pom nyob rau hauv qhov kev tshuaj ntsuam yog ib daim dawb, los yog lub luj lug dawb lias xim block.The qis polarizer yog lub luag hauj lwm rau cov kev taw qhia ntawm lub teeb rau hauv ib tug uniform specification thiab ces muab xa mus rau lub kua siv lead ua txheej. Cov kua siv lead ua molecules ntxeev nyob rau hauv cov kev tswj ntawm TFT los tswj cov kev taw qhia ntawm lub teeb yuav tsum uniformly illuminated thiab li hloov mus rau qab lub pixel tsev teeb siv. Lub LCD nws tus kheej twb tsis muaj xim, yog li cov xim rau tsim ib tug ntau yam ntawm colors.The teeb taw qhia tom qab Ameslikas raws Torsion ntawm cov kua siv lead ua txheej thiab ces yuav tsis cov kev taw qhia, yog li ntawd yog koj tsis nyiam ib tug diffuse teeb yog dua tsis tu ncua, saib nyob rau hauv pem hauv ntej ntawm lub screen yog tseem dawb, yog ib lub teeb kua siv lead ua Torsion yog tsis reflected, yog li no yuav tsum yog nyob rau hauv lub diffuse teeb yog zoo huv si, kev siv ntawm ib daim thiab lub qis polarizer polarizing kev taw qhia orthogonal polarizer los ntawm cov kua siv lead ua lub teeb rov Torsion deflection , ces kaum sib txawv ntawm lub teeb los ntawm cov brightness rau lub polarizing phaj yog sib txawv, li ntawd, peb yuav pom nyob rau hauv qhov kev tshuaj ntsuam yuav tsum alternated nrog duab, vim hais tias cov teeb yog deflected los ntawm cov xim lub teeb xim lim, li ntawd, peb yuav pom tau peb yuav tsum tau cov duab nyob rau hauv pem hauv ntej ntawm lub screen.

Tus qauv thiab hom polarizer

Polaroid yog ib tug puas zaj duab xis muaj li ntawm polarizing zaj duab xis, kev tiv thaiv zaj duab xis, siab-sensitive nplaum txheej thiab txheej tiv thaiv zaj duab xis. Cov yooj yim qauv ntawm cov nqi hluav taws xob qauv yog hais tias ib tug polyvinyl cawv zaj duab xis (PVA) uas yuav ua tau polarized lub teeb yog sandwiched nruab nrab ntawm peb cellulose acetate week (TAC). Muaj mas cov nram qab no muaj ntau hom polarizer rau lub lag luam: cov kis hom polarizer, paab polarizer (a brightening zaj duab xis), semi pob tshab thiab semi paab polarizer, nyiaj hom polarizer, tus nto tom qab cov kev tiv thaiv glare (AG) los yog anti thiaj (AR) kev kho mob. Nyob rau hauv qhov kev siv ntawm siab rhiab nplaum los tiv thaiv ultraviolet lub teeb los ntawm cov muaj pes tsawg leeg ntawm Cheebtsam, muaj peev xwm yuav los ua tau los tiv thaiv ultraviolet polaroid. Siv cov siab rhiab nplaum, PVA zaj duab xis los yog TAC zaj duab xis coloring, uas yog, cov xim polarizer.

Polaroid Technology

Txheej txheem rau lub teb chaws nyob ib ncig ntawm lub ntiaj teb no muaj tsis ntau sib txawv ntawm cov polarizer, tsuas nyob rau hauv cov nqe lus ntawm kev siv ntawm raw cov ntaub ntawv thiab kev txhawb muaj ntau yam ntxwv. Lub ntsiab technology yog qhov yuav ncua ntxiv ntawm iodine system.

Lub polarizing phaj yog muab nrog ib tug extension txoj kev thiab ib tug txheej txoj kev. Polarizing zaj duab xis ntau lawm technology yog muab faib ua ob pawg: qhuav txheej txheem thiab ntub dej txheej txheem, nrog rau qhov yuav ncua ntxiv ntawm PVA zaj duab xis. Qhuav zaj duab xis yog hais txog mus rau lub PVA extension nyob rau hauv lub chav puag ncig muaj tej yam tej yam kev mob ntawm kub thiab humidity, nyob rau hauv thaum ntxov theem los txhim kho lub ntau lawm efficiency ntawm lub ntau lawm, thiab tsis yog feem ntau lawm zaj duab xis siv PVA zaj duab xis dav loj. Tab sis rau cov kev txwv ntawm txoj kev no yog lus dag nyob rau hauv lub uniformity ntawm PVA films nyob rau hauv lub extension txheej txheem no tsuas siv, li ntawd, cov thawj Polaroid zaj duab xis tsim los ntawm tus qhab nro, xim uniformity thiab durability yog ruaj khov, thiab lub sij daim ntawv thov. Ntub txheej txheem hais txog lub PVA zaj duab xis yog ib tug tej yam kev faib ua feem ntawm cov kua nyob rau hauv lub dyeing, ncab ib ce txheej txheem. Cov kev txwv ntawm txoj kev no yog lus dag nyob rau hauv thaum ntxov PVA membrane extension nyob rau hauv lub kua nyob rau hauv lub stability tswj yog ib qhov nyuaj, yog li ntawd lub sij hawm ua ntawm PVA membrane thiab PVA membrane daim nyias nyias yooj yim tawg, lub dav no xwb. Txawm li cas los, nrog cov kev txhim kho, cov kev txwv ntawm lub ntub txheej txheem tau zoo heev lawm. Los ntawm kawg ntawm Kwvyees li xyoo 1990, Japanese qhauj tau lug siv polaroid TAC zaj duab xis dav 1330mm los ntawm ntub txheej txheem. Nyob rau hauv kev, vim tus loj-scale popularization ntawm loj loj TFT-LCD khoom, nyob rau hauv thiaj li yuav txhim kho cov kev siv tus nqi ntawm polarizer khoom, qhov yooj yim dav ntawm 1330mm tau ua qhov yooj yim txoj kev rau zus tau tej cov polarizer rau lcd.

Lub PVA zaj duab xis yog muab faib ua ob dab: iodine uas tseg tau thiab zas uas tseg tau. Iodine uas tseg tau hais txog tsuas, lub polarizer tensile txheej txheem, siv poov tshuaj iodide li ob nruab nrab kom ua lub PVA membrane polarity polarization yam ntxwv. Qhov kom zoo dua yog hais tias nws yog ib qho yooj yim kom tau ntau tshaj 99.9% ntawm lub high school polarization thiab ntau tshaj 42% siab transmittance ntawm lub polarization yam ntxwv. Yog li ntawd, nyob rau hauv thaum ntxov polarized khoom khoom los yog qhov yuav tsum tau rau siab polarization, siab transmittance yam ntxwv ntawm lub polarizing khoom cov khoom uas feem ntau siv iodine dyeing txheej txheem. Tab sis lub shortcomings ntawm txoj kev no yog vim lub molecular qauv ntawm iodine yog ib qho yooj yim mus kev puas tsuaj nyob rau hauv lub zwj ceeb ntawm kub thiab high humidity, polarizer pluag durability li siv iodine dyeing txheej txheem, cov kev muaj peev xwm tsuas ua tau raws li lub qhuav kub ntawm 80 DEG C: * 500HR: Noo tshav kub ua hauj lwm tej yam kev mob 60 C * 90% RH * 500HR siv cov nram qab no. Txawm li cas los, nrog cov expansion ntawm lub Scope ntawm lub LCD khoom, cov kev cai ntawm lub kub thiab noo ua hauj lwm tej yam kev mob ntawm lub polarizer khoom ua ntau thiab ntau loj heev, thiab qhov kev thov ntawm lub polarizer muaj nyob rau hauv lub tej yam kev mob ntawm 100 DEG C thiab 90% RH.

Rau no yuav tsum tau, iodine dyeing txheej txheem yuav ua li cas tsis muaj dab tsi. Nyob rau hauv thiaj li yuav tau raws li cov kev uas yuav tsum tau, thawj los ntawm lub Japanese kws lub tuam txhab muaj tsim lub Polaroid zus tau tej cov dyes, siab durability ntawm Polaroid khoom los ntawm Nippon Kayaku subsidiary ntawm Nyiv Paula ua qob system. Cov kev siv ntawm ob directional dyes rau polarizing zaj duab xis los ntawm tus txheej txheem ntawm polarizing zaj duab xis cov khoom, lub siab tshaj plaws yuav tau raws li lub qhuav kub: 105 degrees C * 500HR, kub thiab noo: 500HR * 95% RH * hauv qab no cov ua hauj lwm tej yam kev mob ntawm kev siv uas yuav tsum tau. Txawm li cas los, lub polarizing zaj duab xis los ntawm tus txheej txheem no yog ib yam uas tsis tshua muaj degree ntawm polarization thiab transmittance, thiab nws polarization yog feem ntau tsis ntau tshaj 90%, lub transmittance yog tsis ntau tshaj li 40%, thiab tus nqi yog kim heev.

Nyob hauv txoj kev:

Iodine polarizer: yooj yim mus nrhiav tau siab transmittance, high degree ntawm polarization ntawm kho qhov muag zog, tab sis tus muaj peev xwm mus mas siab kub thiab humidity yog neeg pluag. Tus nqi yog tus pheej yig, li ntawd, kev ua lag luam qhia tawm txog li 80% ~ 90%, ib tug ntau ntawm cov ntaub ntawv sau npe, xws li: ua si, computers, PC, Oa machines, etc., yuav tsum tau siv ib tug loj tus naj npawb ntawm iodine LCD polarizer.

Zas qob polarizer: nws yog tsis yooj yim mus nrhiav tau siab transmittance, high degree ntawm polarization ntawm kho qhov muag zog, tab sis tus muaj peev xwm mus mas siab kub thiab humidity. Yog li ntawd, nyob rau hauv lub tsheb, nkoj, aircraft, sab nraum zoov ntsuas seev tau siv qhov no zoo ntawm durability polarizer.

Txheej txheem txaus daim duab ntawm polarizer

Lub polarizing zaj duab xis ntau lawm technology yog muab faib ua ob pawg: qhuav txheej txheem thiab ntub dej, uas yog raws li nyob rau hauv lub ncab txheej txheem ntawm PVA zaj duab xis. Qhuav duab txheej txheem yog thawj nyob rau hauv ib tug tej yam kub thiab humidity tej yam kev mob nyob rau hauv ib tug inert roj ib puag ncig, PVA membrane tensile mus rau ib tug tej yam ratio, thiab ces tus npaj cov txheej txheem ntawm dyeing thiab fixation, composite thiab kom qhuav; ntub dej nqus txheej txheem yog thawj dyeing hais txog cov PVA zaj duab xis, thiab ces ncav us txog nyob rau hauv cov tshuaj, khoom xim, puas thiab qhuav lawm txoj kev. Tam sim no, lub ntsiab ntau lawm qhauj nyob rau hauv lub ntiaj teb no mas nyob rau hauv ntub tensile technology.

Lub peb yog cov mainstream technology ntawm Lipu iodine ntau lawm technology thiab ntub dej nqus technology ntawm tam sim no polarizing zaj duab xis ntau lawm. Lub ntau lawm txheej txheem ntawm lub polarizer yog muab faib ua peb qhov chaw: hauv pem hauv ntej, nruab nrab thiab nram qab. Lub ntsiab txheej txheem daim duab raws li nram no:

1. qub txheej txheem (TAC membrane tu thiab PVA zaj duab xis extension thiab puas)

Cov yav tas los txheej txheem muaj xws li cov pretreatment ntawm TAC membrane thiab qhov yuav ncua ntxiv thiab recombination ntawm PVA zaj duab xis. Department of pretreatment txheej txheem ntawm TAC zaj duab xis TAC zaj duab xis tom qab alkali kev kho mob, dej ntxuav tank tu residue lye, kom qhuav thiab winding txoj kev, lub hom phiaj tseem ceeb yog los txo cov kev sib cuag kaum sab xis ntawm lub TAC films, PVA zaj duab xis thiab haum rau. Tshwj xeeb raws li nram no:

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PVA zaj duab xis thiab puas txheej txheem yog thawj los ntawm lub PVA membrane raus nyob rau hauv cov dej ntshiab o tom qab dyeing tank, adsorption rau ob iodine haum, thiab ces extends los ntawm lub qhov orientation rau molecular iodine, tom qab so qhuav lub TAC membrane tom qab PVA membrane nrog ob txheej pretreatment puas ua ke, tau ib tug polarizing zaj duab xis. Tshwj xeeb raws li nram no:

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2.The nruab nrab txheej txheem (txheej thiab puas ntau lawm kab)

Tus txheej txheem yog tus txheej txheem ntawm txheej siab rhiab nplaum thiab puas membrane. Lub Department yuav ua siab rhiab nplaum txheej nyob rau hauv zaj duab xis, tom qab qhov cub evaporation siab rhiab nplaum nyob rau hauv thiab tawm, ua ke nrog tus ntxuag laminating txheej txheem ua ntej polarizing zaj duab xis ntau lawm, ces muab tso rau hauv qhov kub curing chav tsev ruaj khov, tej zaum vim hais tias ntawm ntau hom ntawm cov khoom , yuav tsum lwm yam kho qhov muag nyias zaj duab xis puas. Tshwj xeeb raws li nram no:

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3.The tom qab txheej txheem (txiav cov kab ntau lawm)

Lub kho polarizer yuav raug txiav, txiav, ntxuav, kuaj thiab fej raws li qhov yuav tsum tau loj. Tshwj xeeb raws li nram no:

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