LCD polarizer kev ua tau zoo thiab cov yeeb yam
Cov khoom siv kho qhov muag ntawm lub ncov qaumteb qab zib muaj xws li peb lub ntsiab kev ua tau zoo: kev sib pauv polarization, kev xa tawm, thiab xim tone. Lwm cov kuj muaj xws li ultraviolet txoj sab ci zog thiab transmissivity, tag nrho kev cuam tshuam, thiab diffuse reflection ntawm semi-transmissive polarizer semipermeable membrane. . Hauv kev siv cov khoom lag luam hauv dav dav, qhov ntau dua cov qauv ntawm polarization thiab transmittance kev ua tau zoo, qhov zoo dua. Qhov ntau dua cov degree ntawm polarization thiab transmittance, qhov ntau dua cov zaub zoo ntawm lub LCD zaub ntaus ntawv thiab lub zog me me zog. Txawm li cas los xij, thaum muaj cov khoom iodine-dyed polarizer cov khoom, cov degree ntawm polarization thiab xa tuaj yeem yog qhov fab ntxeev. Qhov ntau dua cov degree of polarization, qhov txo lub transmittance thiab qhov ntau constrained los ntawm cov xim tone. Lub degree ntawm polarization ntawm cov khoom yog nruab nrab ntawm 90% thiab 99%, thiab lub transmittance yog nruab nrab ntawm 41% thiab 44%. Lub degree ntawm polarization ntawm General-purpose PLN cov khoom tsim los ntawm Guangdong Fudi Riyang Polarization Dais Co., Ltd. yog 97% los yog ntau dua, thiab qhov xa tawm yog 43%. Lub polarization degree ntawm medium-durability, cov khoom zoo siab PMN yog 99.9%. Saum toj no, qhov kev xa tawm yog tshaj 42%. Lub Hawj Performance yog tsuas yog los siav neeg tus cwj pwm tsis zoo nraug, thiab tib lub sij hawm, cov hue sib txawv ntawm cov khoom polarizer yuav tsum tau me me kom paub meej lub taub hue ntawm LCD kawg khoom. Qhov no yog vim lub chromaticity coordinate tsis L, ib tug, b qhov tseem ceeb ntawm cov khoom siv roj ntsha thiab lawv cov kev tswj ntau yam kam rau ua kom pom, feem ntau yog qhov me me ntawm nws txoj kev tswj kam rau siab tau.
Cov kev qhia ntawm lub tshuab thawv muaj xws li plaub qhov kev lag luam: kev kub kub, kev kub thiab cua txias, tsis kub tsis txias, thiab txias thiab cua sov tsis haum. Qhov tseem ceeb tshaj plaws yog qhov theem ntawm cov av thiab qhov kub hnyiab ntawm kev ua haujlwm. Kev kub ntawm kev kub taubhau yog hais txog kev ua haujlwm ntawm lub ncov ntawm lub ncov ntawm qhov cub. Thaum tam sim no, raws li cov theem ntawm lub ncov qab zib, nws feem ntau muab faib rau hauv dav dav: kub ua hauj lwm yog 70 ° C × 500HR; lub nruab nrab nruab nrab: lub kub ua hauj lwm yog 80 ° C × 500HR; High Durability: Qhov kub nruab nrab yog siab tshaj 90 ° C × 500H. Cov av noo-kub tsis ua haujlwm kev ntsuas yog hais txog cov av noo-tshav kub-ua haujlwm ntawm kev sib txawv ntawm cov thawv rau hauv qhov kub thiab txias. Nws tseem yog feem ntau muab faib ua peb theem kev sib tw, ob qho tib si hom phiaj: kub thiab ua hauj lwm humid hauj lwm yog 40 ° C × 90% RH × 500HR; hom kev ua dej num nruab nrab: Cov kub thiab dej ua hauj lwm yog 60 ° C × 90% RH × 500HR; Hom kev ruaj siab: Kev mob kub thiab humid hauj lwm: 70 ° C × 95% RH × 500HR los yog ntau dua. Txij li cov duab zaj duab xis PVA, cov khoom siv yooj yim, cov iodine thiab iodide yog ob yam ntaub ntawv muaj cov twj siv hluav taws xob, cov nplaum siab siv rau lub tshuab coj los siv kuj yooj yim heev hauv kev kub thiab siab txias. Vim li no, cov qauv ntawm lub ncov qaumteb qabteb zoo tuaj. Qhov tseem ceeb tshaj ntawm cov cim kev qhia yog qhov ntsuas kub thiab kub ntawm qhov ntsuas kub. Yog tias qhov ntsuas kub thiab kub-thiab-ya raws tsis pom muaj qhov xaus, lwm cov yeeb yam ua tau zoo tsis ua teeb meem.
Cov yam ntxwv ntawm polarizers 'nplaum lub zog yog qhia txog cov yam ntxwv ntawm polarizers, uas feem ntau muaj xws li: cov tawv nqaij ntawm cov tawv nqaij-rhiab nqaij tawv thiab iav substrate, tawv nqaij sib zog ua tawm ntawm cov tawv hluav taws xob thiab tso tawm zaj duab xis, lub ncov qaumteb qab zib thiab lub nplaum ntawm lub siab tawv-ua kua nplaum. Cov tawv nqaij sib zog ua ke ntawm cov tawv hluav taws xob thiab lub khob substrate tseem hu ua lub zog ntawm lub nplaum, uas yog qhov tseem ceeb tshaj plaws ntawm cov khoom lag luam hauv LCD polarizer khoom. Qhov kev ntsuas no feem ntau yog ntsuas los ntawm Nyiv Electromechanical Industry Association specification EIAJ-ED-2521A tus qauv, qhia hauv g / 25mm units, feem ntau cov LCD polarizer siab tawv nplaum nplaum quab yuam ntawm iav substrate yog teev nyob rau hauv 500g / 25mm saum toj no, kev siv qhov kev txwv qis tshaj feem ntau yog qis dua 1000g / 25 hli. Muaj cov piv txwv qhia tau hais tias thaum lub zog ntawm cov nplaum rau lub iav substrate qis dua 500g / 25 hli, qhov tshwm sim uas lub ncov qaum teb tau tawm thiab ua kom qis qis tom qab lub iav ntsa ntom ntom ntaws tau.
Cov tsos thiab kev ua tau zoo ntawm cov qauv ncov qaum tsuas yog xa mus rau qhov chaw ntom ntog thiab tus naj npawb ntawm qhov zoo li tsis pom kev ntawm polarizers. Cov kev lag luam no tsuas yog cuam tshuam rau kev siv cov polarizers thaum uas lawv ua ntawv thov. Cov kev qhia no feem ntau kuj muaj cov kev cai tswjfwm hauv kev lag luam nyob hauv kev lag luam polaroid. Feem ntau, txhua lub qauv khoom (500 × 1000 hli) muaj 15 los yog tsawg dua 150 μm qis dua cov ntsiab lus. Txij li thaum kawg pom cov khoom ntawm polaroid yog visually saib xyuas manually, qhov faib ntawm cov tsos ntawm lub polarities thaum lub sij hawm ntau qhov loj ntawm cov khoom ncov qaum yuav muaj discrete faib. Vim li no, txhua lub chaw tsim tshuaj paus kev lag luam polarizer yuav tsum tau txais ib cov degree ntawm kev faib. Qhov txawv nruab nrab ntawm kev tswj tus kheej thiab kev ua tiav cov kev lav yeej lav cov qauv kev zoo. Txawm li cas los, nws yuav tsum tau muab sau tseg tias txij li 150 μm twb tau ze rau qhov kev txwv tsawg kawg ntawm kev saib tsis tau qhov muag ntawm tib neeg qhov muag, tshwj xeeb tshaj yog nyob rau hauv cov txheej txheem muaj ntau ntau, cov neeg ua hauj lwm soj ntsuam kuj yuav tsim qhov muag qaug zog thaum ua haujlwm ntev, μm hauv qhov ntsuas xyuas hauv qhov ntsuas yog qhov tsim nyog ntseeg dua.
Qhov tseem ceeb tshaj plaws uas cuam tshuam rau kev ua tau zoo ntawm cov qauv polarizers
Lub ntsiab tseem ceeb uas cuam tshuam rau kev ua tau zoo ntawm cov qauv polarizers muaj feem xyuam rau cov kev ua tau zoo ntawm cov qauv ntawm cov qauv.
Cov ntsiab lus tseem ceeb uas cuam tshuam txog kev ua kom pom ntawm lub tshuab thav duab xws li: xaiv cov ntaub ntawv paj yeeb, xaiv cov ntaub ntawv, dyeing polarizing films, xaiv kev ua kom ncab, thiab kev txwv ntawm cov khoom siv cuab yeej. Cov no yog cov tub ntxhais siv technology ntawm kev siv lub tshuab tuaj yeem ua haujlwm, yog li cov khoom lag luam polarizer muaj kev xyuam xim txog kev xaiv ntawm cov ntaub ntawv thiab cov txheej txheem rau kev lag luam, thiab feem ntau yuav tsis yooj yim hloov. Thaum cov khoom ntawm polarizer manufacturers tau txais kev pom zoo los ntawm cov neeg siv khoom, polarizer manufacturers yuav txais kev siv zog tsim kev tswj zoo tshaj plaws los xyuas kom ruaj ntseg ntawm kev kho qhov muag ntawm cov khoom siv roj ntsha.
Cov qauv ntawm cov qauv ntawm cov qauv polarizer muaj xws li ob yam ntawm cov qauv siv rau kev ua haujlwm: lub yeeb yam ntawm cov duab tho polarizing thiab cov ua haujlwm ntawm lub siab tawv-rhiab. Lub hauv paus tseem ceeb tshaj plaws ntawm lub yeeb yaj kiab uas muaj qhov sib txig sib luag nrog rau kev xaiv ntawm cov ntaub ntawv ntawm cov duab tho polarizing, xaiv cov khoom dyeing, dyeing ntawm zaj duab xis polarizing, lub ncab, thiab cov txheej txheem txheej txheem. Feem ntau, qhov loj dua qhov phom sij ntawm PVA zaj duab xis xaiv rau lub ncov qaum ntuj thiab qhov ntau dua qhov ncab piv, qhov zoo dua qhov ua ntawm cov duab tho polarizing, thiab lwm yam ntxiv. Nyob rau tib lub sij hawm, qhov zoo dua qhov kev kos duab ntawm cov yeeb yaj duab polarizing nyob rau hauv cov txheej txheem ntau lawm, qhov kev muaj zog los tiv thaiv kev siv zas xim, qhov zoo dua qhov ua ntawm cov duab tho polarizing, yog li ua tau raws li cov xim raws li cov xim daj zoo dua li qhov ntawm iodine dyeing polarizer. Lub durability ntawm cov khoom. Cov ntsiab lus tseem ceeb uas ua rau lub zog ntawm lub siab tawv-rhiab yog muaj xws li: kev xaiv ntawm daim nplaum, kev xaiv cov nplaum, xaiv cov khoom sib xyaw kom haum, kev xaiv cov txheej txheem kom qhuav, thiab cov khoom noj zoo nkauj. Nws yuav tsum tau muab sau tseg tias qhov kev ua haujlwm ntawm lub nplaum ntawm cov nplaum yog qhov qhia tau zoo, nws qhov kev cuam tshuam yog ntau qhov kev sib txuas, thiab qhov no yog lwm qhov tseem ceeb ntawm kev siv tshuab ntau ntau. Feem ntau, qhov chaw lag luam polarizer pom cov txheej txheem ntawm cov nplaum. Tom qab ntawd, nws yuav tsis raug hloov yooj yim thiab muaj txoj kev tswj hwm txoj cai zoo. Txwv tsis pub, nws yuav yooj yim ua rau cov khoom ua tsis zoo.
Lub ntsiab tseem ceeb uas cuam tshuam rau cov tsos ntawm polarizers tseem heev heev. Feem ntau muaj xws li: thaj chaw kom huv si rau kev ua kom sov, kev xaiv khoom rau kev siv roj ntau ntau, cov khoom siv rau kev ua kom siv roj ntau ntau, cov txheej txheem khiav thiab cov txheej txheem rau cov khoom tuaj yeem, cov khoom ntim, thiab cov qauv siv rau cov neeg siv Khoom noj khoom haus thiab chaw ua haujlwm. Hauv ntej, lub ncov qaum teb yog ib yam khoom uas yog "queer" uas yuav tsum tau muab ceev cia thiab siv, yog tias tsis muaj teeb meem xws li cov khib nyiab, cov pob dub, thiab cov cua sov tuaj yeem yooj yim tshwm sim.
