Kev Txhim Kho Hauv Cov Khoom Siv Polarizer Rau OLEDs

Cov keeb kwm kev loj hlob, kev ua haujlwm, kev siv hluav taws xob thiab kev ua lag luam ntawm polarizers rau OLED. OLED tseem hu ua diode organic-emitting diode, thiab qhov loj tshaj qhov sib txawv ntawm cov mainstream LCD zaub technology hauv lub khw tam sim no yog cov ntaub ntawv tso tawm los ntawm kev tswj yus tus kheej ntawm cov khoom siv organic.

OLED muaj tag nrho cov cwj pwm ntawm cov khoom tsim hauv lub xeev, muaj kev kub ceev, ultra-siab sib txawv, ultra-nyias, tsis muaj hwj chim ntau, tsis pom lub kaum ntse ntse, kev yooj yim kom pom tau yooj yim zaub thiab 3D zaub, thiab lwm yam. Nws yuav yog qhov "nyiaj nyiaj" tso tawm tshuab hauv 20 xyoo tom ntej.

Daim ntawv no piav me me txog cov khoom siv rau cov khoom siv rau cov OLEDs, cov khoom siv ntawm cov khoom tseem ceeb hauv cov qauv vaj huam sib luag, thiab txoj kev loj hlob ntawm polarizers vim yog kev tsim cov kev tshawb fawb txog OLED thiab cov kev siv technology.

Kev tsim cov polarizers rau OLEDs.

Tam sim no, cov khoom siv loj tshaj plaws uas siv rau hauv cov khoom ntawm cov khoom nyob rau hauv kev lag luam yog TAC zaj duab xis, thiab kom ua tiav cov teeb meem kho qhov muag, cov nqi thiab lwm yam, lub khw tau siv cov tsiaj, COP, PMMA thiab lwm yam ntaub ntawv los hloov ib feem ntawm TAC cov ntaub ntawv.

Ntawm cov khoom siv hauv OLEDs, rau nws cov tub ntxhais txoj haujlwm PVA, Nitto tau pib siv PVA txheej kom paub 5 micron polarizers hauv lub iPhone.

Tam sim no, lub caij luv tshaj ntawm OLED luminescent cov ntaub ntawv yog lub teeb xiav. Nyiv lub Masaya Adachi li al. npaj lub tswv yim ntawm BECP, thiab los ntawm kev ntxiv ib txheej ntawm cov kua roj cholesteric ua kua rau sab hauv txheej ntawm lub voj voog tshuab, qhov ua tau zoo ntawm cov xiav xiav ntawm OLED raug kho dua li ntawm 50%. Zuag qhia tag nrho OLED zog noj tau raug txo los ntawm 17%.

Xyoo 2012, cov kws tshawb fawb xws li Norio Koma hais tias ntxiv cov yees duab thaij duab ntxiv rau sab nrauv ntawm lub ncov qaum teb yuav siv los txhim kho qhov sib txawv ntawm cov khoom hauv sab nraum zoov.

Cov organic thiab cov electrodes hauv lub vaj huam sib luag ntawm OLED yog cov pa oxygen thiab dej hauv cov huab cua, thiab OLED vaj huam sib luag yooj yim corroded tom qab tiv tauj kom txo tau txoj sia.

Xyoo 2014, Hefei Optoelectronics tau thov rau ib qho patent rau polarizers rau cov ntxiab OLED yooj yooj yim: thiaj li yuav txo tau lub teeb pom kev ntawm lub ncov qab zib thiab txhim khu cov thaiv kom ya raws roj thiab cov pa oxygen.

Nyob rau hauv 2014, Peng Meizhi thiab lwm tus los ntawm Taiwan Industrial Technology Research Institute koom tes nrog cov kev tshawb fawb tau txais los ntawm kev them nyiaj rau kev them nyiaj tshuab rau AMOLED. Ntawm lawv, muaj ob hom nyiaj films uas tau tsim hauv qhov kev lag luam, ib qho yog txoj kev txuas ntxiv, qhov tod yog nws yog txoj kev siv cov kua siv lead ua kua.

Tam sim no, feem ntau ntawm cov txheej txheem txuas ntxiv yog cov nyiaj them rau ib qho kev lag luam qis, thiab cov nyiaj ntawm ntau lub wavelength yuav tsum tau ua kom pom los ntawm ib lub yeeb yaj kiab multilayer. Cov khoom siv kho qhov muag ntawm cov kua siv lead ua cov khoom siv yog yooj yim kho, thiab thim nyiaj thim txoj kev muaj peev xwm yuav pom tau hais. Nitto Denko, Fuji thiab DNP tau raug tsim los lawm.

Thaum lub Yim Hli Ntuj xyoo 2016, Taiwan Industrial Technology Institute tau tso tawm cov vas sab polarizer los ntawm cov txheej txheem ntawm lub vaj huam sib luag kov thiab kev kho qhov muag cov duab, cov khoom siv thiab cov ntaub ntawv tso tawm. Tag nrho cov thickness no tsuas yog 30 microns, thiab nws yog ntau resistant rau cov txheej txheem txog li 100 ° C. Nws tau dhau 100,000-degree deflection nrog ib tug curvature ntawm 3 hli thiab yuav siv thawj zaug hauv cov khoom yooj yim OLED.

Nyob rau ntawm IDW Display International Conference, uas qhib hauv Fukuoka, Nyiv thaum lub Kaum Ob Hlis 7 txog 9, 2016, AUO tau nthuav qhia ob txoj kev ua ke AMOLED cov duab nrog ob sab hauv thiab sab nraud qhia 180 degrees.

Ntsiab cai ntawm polarizer rau OLED

Tus qauv ntawm OLED ncov qaum taub yog muab faib ua feem ntawm polarizing (polarizer) thiab 1/4 £ functional compensation feem (1/4 lib wave phaj). Qhov zoo tshaj plaws hauv lub xeev ntawm lub polarizer yuav tsum muaj degree ntawm polarization> 99.9%, ib qho kev xa tawm ntawm 45% los yog ntau dua, thiab qhov nyiaj them rau 1 / 4λ yuav tsum tau them nyiaj ntawm tag nrho wavelength ntawm thaj chaw pom thaj chaw.

Tam sim no, qhov muag tsis pom ntawm cov polarized polarised polarizers uas tau niaj hnub ua tiav hauv txoj kev lag luam yog cov degree polarization> 99.9%, thiab xa mus txog 43%.

Tsis ntev los no, lub neej luminescence ntawm OLEDs tau raug kho dua, nce 50,000 teev ntawm 5,000 teev dhau los, tiam sis los ntawm qhov kev xav ntawm lub zog ntawm OLEDs, yuav tsum tau xa tus kab mob siab dua, xav tias qhov sib npaug ntawm cov hauj lwm zoo thiab lub neej ntawm OLEDs. Kev sib tshuam yuav tsum kom siab li qhov ua tau zoo tshaj plaws nyob rau hauv cov ntaub ntawv ntawm qhov txaus siab dub dub. Tam sim no, muaj ib qho kev vam meej hauv kev lag luam los mus kho cov kev tuaj yeem ua kom tau ntau dua kev xa mus.

Cov kev cai cuam tshuam rau polarizers rau OLEDs

Cov haujlwm uas yuav tsum tau ua rau cov polarizers rau OLEDs tau muab faib ua peb qho:

Cov khoom siv uas yuav tsum tau muaj:

Yuav kom haum rau lub vaj huam sib luag ntawm OLED, lub vas sab polarizer rau OLED xav kom nyias txaus thiab muaj qee yam kev sib tw. Kev thov tam sim no rau cov khoom seem hauv txoj kev lag luam muaj peev xwm pib ntawm 60-70 microns, thiab nws yog ib qho tsim nyog yuav tau ua 100,000 xeem hauv 2 hli curvature raws li kev sib tw ua haujlwm.

Cov kev cai ntseeg:

Daim ntawv thov ntawm OLED display panels tau tam sim no them txhua yam los ntawm cov khoom siv khoom siv rau cov khoom muaj tsheb. LG thiab cov tuam txhab tsim tsheb muaj kev koom tes los qhia cov OLED panels rau hauv cov khoom ua ke.

Txij li thaum lub ncov qaum sab nyob hauv sab nraud, nws yuav tsum ua kom tau raws li cov qauv ntawm lub tsheb khoom rau nws cov kub kub thiab kub thiab cov cua txias, xws li kub siab 95 ° C × 500 hrs, kub thiab humidity 65 ° C × 93 % × 500 hrs thiab cov zoo li. Tom qab qhov kev kuaj mob loj no, cov khoom xav tau los xyuas kom meej tias nws qhov kev hloov kho qhov muag yog tsawg dua 3%, thiab tsis muaj kab npuas, lwj, los yog tawv ncauj.

Tsa ua haujlwm kom ua:

Xav tias tus neeg siv ncaj qha mus kov qhov chaw ntawm lub ncov qaum, yog tias tsis muaj kev kho qhov sib zog, qhov saum npoo yog khaus khawb thiab cuam tshuam cov npo, ces qhov yuav tsum tau tawv, thiab tib lub sij hawm, yuav tsum tau txhaj.

Qhov dej ntawm polarizers rau OLED

Lub teeb duab ntawm OLED nws tus kheej yog ib hom uas pom luminous, tab sis thaum lub teeb ci sab nrauv yog reflected ntawm cov hlau electrode ntawm OLED, nws yuav ua rau lub teeb pom kev zoo ntawm lub teeb ntawm OLED los txo qhov sib txawv.

Yog li, nyob hauv tus qauv ntawm OLED (daim duab 1), ib lub ncov nrog 1/4 lambda phaj muab tso rau hauv txheej txheej los thaiv qhov teeb meem ntawm sab nraud kom paub meej zoo siab ntawm qhov screen.

Daim duab 1 OLED polarizer qauv thiab ua haujlwm ua haujlwm

Cov khoom siv thaum ntxov PMOLED tau tsuas yog monochromatic, ob-xim, thiab lwm yam. Qhov uas yuav tsum tau ua rau lub ncov qaumteb tsuas yog txo lub teeb pom kev zoo sab nraud, thiab tsis tas yuav tsum tau ua kom tiav ntawm tag nrho lub xeev dub.

Lub polarizer siv nyob rau ntawm lub sij hawm ntawd tsuas xav tau ib qho Polarizer nrog 1/4 lambda yoj phaj kom tau raws li qhov kev thov. Nyob rau theem ntawm AMOLED, qhov khoom yog twb puv xim, thiab qhov sib piv ntawm ntau tshaj 10000: 1. Qhov no yuav tsum tau muab lub ncov kom tsis txhob tuaj yeem thaiv qhov pom ntawm lub ntiaj teb sab nraud, yog li ua tiav cov nyhuv dub.

Nws tuaj yeem pom los ntawm daim duab 2 tias qhov txawv ntawm qhov tsaus nti xeev tau tshwm sim los ntawm OLED ua ntej thiab tom qab lub polarizer tau tshwm sim.

Daim duab 2 OLED vaj huam sib luag xim dub lub xeev daim duab: 1 kev siv cov cim dub; 2 zoo tib yam zaj duab xis 1 / 4λ polarizer los tiv thaiv cov nyhuv; 3 tsis muaj effect polarizer

Ntawm qhov tod tes, yuav kom ua tiav ib qho zoo siv cov nyhuv dub, tag nrho pom cov qauv pom kev xav yuav tsum tsis tshua muaj txaus, thiab tsis muaj xim tshwj xeeb lub teeb tshwm. Thaum siv lub ncov qaumteb qab zib nrog cov polarization txaus, nws yuav tsum ua kom haum rau qhov zoo tagnrho cov spectrum tag nrho. 1/4 λ khoom siv. Raws li kev lag luam thaum ntxov ntawm lub sij hawm sib txawv spectra ntawm cov ntaub ntawv sib txawv, feem ntau ntawm cov ntaub ntawv yog qhov zoo tshaj plaws wavelength faib.