Tiaj vaj huam sib luag zaub (FPD) tau dhau los ua cov tseem ceeb ntawm cov TVs yav tom ntej. Nws yog tus qauv dav dav, tab sis tsis muaj qhov txhais tau nruj heev hauv lub ntiaj teb. Feem ntau, hom zaub no nyias thiab zoo li lub vaj huam sib luag tiaj tiaj. Muaj ntau hom vaj huam sib luag ntawm cov lus qhia xov xwm. , Raws li cov qauv qhia nruab nrab thiab ua haujlwm ua haujlwm, muaj cov kua siv lead), edroliccescence zaub (pspection), projection cov khoom siv, thiab lwm yam. Vim tias cov tshuab granite muaj cov khoom zoo dua thiab cov khoom siv lub cev.
Kev Loj Hlob Qauv
Piv nrog tsoos Crt (Cathode thawj lub vaj huam sib luag zaub muaj qhov zoo ntawm nyias, lub teeb pom kev zoo, tsis muaj flicker, thiab muaj txiaj ntsig rau tib neeg kev noj qab haus huv. Nws tau surpassed tus crt hauv kev muag khoom thoob ntiaj teb. Los ntawm 2010, nws tau kwv yees tias qhov sib piv ntawm tus nqi muag ntawm ob yuav ncav cuag 5: 1. Nyob rau hauv lub xyoo pua 21st, Tiaj tiaj tus vaj huam sib luag qhia yuav dhau los ua cov khoom lag luam tseem ceeb hauv cov zaub. Raws li kev twv ntawm cov peev txheej stanford muaj koob npe nrov no yuav nce mus 236 xyoo hauv 2006, thiab nruab nrab ntawm txhua xyoo kev loj hlob yuav ncav cuag 20% hauv 4 xyoos tom ntej.
Cov Khoom Siv Tshuab
Lub vaj huam sib luag tiaj tus qhia tau muab cais rau hauv cov teeb pom kev zoo tshaj tawm thiab lub teeb passive pom cov lus qhia. Lub qub yog hais txog cov khoom siv zaub uas cov zaub nruab nrab ntawm lub teeb (VFD), uas muaj lub teeb pom kev (VFD) Cov tom kawg txhais tau tias nws tsis emit teeb los ntawm nws tus kheej, thiab lub teeb tsom teeb meem, thiab ua rau lub teeb hluav taws xob sab nraud), thiab ua nws ntawm cov zaub vijtsam lossis tshuaj ntsuam. Cov Khoom Siv Cov Khoom Siv, suav nrog ua kua siv lead ua kua (LCD), micro elro electromeChanical display zaub (DMD) thiab hluav taws xob hauv hluav taws xob, thiab lwm yam.
Lcd
Ua kua Crystal Qhia tawm suav nrog passive matrix ua kua lead ua kua siv lead ua kua Ob qho tib si STR thiab tn ua kua siv lead ua kua siv lead ua rau cov neeg muaj peev xwm ua rau Matrix ua kua Crystal qhia. Nyob rau hauv xyoo 1990, nquag-Matrix ua kua Crystal cov tshuaj ua kom sai, tshwj xeeb tshaj yog cov yeeb yaj kiab nyias nyias muaj kua siv lead ua kua siv cov roj siv siv ua kua siv cov ntaub ntawv (TFT-LCD). Raws li cov khoom hloov ntawm STN, nws muaj qhov zoo ntawm cov lus teb nrawm nrawm thiab tsis muaj dav hauv cov chaw ua haujlwm portable thiab chaw ua haujlwm, TVs, Camcorders thiab Handheld video kev ua si consoles. Qhov sib txawv ntawm AM-LCD thiab PM-LCD yog tias yav dhau los tau hloov cov khoom siv ntxiv rau txhua pixel ntxiv rau txhua tus pixel ntxiv, uas tuaj yeem kov yeej kev cuam tshuam ntawm kev cuam tshuam nrog thiab kom tau txais kev cuam tshuam loj thiab muaj kev daws teeb meem siab. Tam sim no yog Am-LCD Adopts Amorphous silicon (A-si) TFT hloov ntaus thiab cia capacitorch phiaj, uas tuaj yeem tau txais cov xim grey thiab paub tseeb xim zaub. Txawm li cas los xij, qhov xav tau kev daws teeb meem siab thiab me pixels rau high-ntom cov ntawv thov tau tsav kev txhim kho ntawm P-Si (Polysilicon) TFT (nyias zaj duab xis transistor) cov lus qhia. Kev muaj kev mus ncig ntawm P-Si yog 8 txog 9 zaug siab tshaj li ntawm A-Si. Qhov loj me me ntawm P-Si TFT tsis tsuas yog haum rau cov khoom siv ntom ntom thiab cov kev daws teeb meem siab, tab sis kuj tseem ceeb tshaj plaws hluav taws xob tuaj yeem sib xyaw ua ke.
Tag nrho cov, LCD yog tsim nyog rau nyias, lub teeb, me me thiab nruab nrab siv hauv cov khoom siv hluav taws xob, thiab siv cov khoom siv hluav taws xob xws li cov khoos phis tawj thiab xov tooj ntawm tes. 30-nti thiab 40-nti LCDs tau tsim tau zoo, thiab qee tus tau muab tso rau hauv kev siv. Tom qab ntau ntau cov kev tsim khoom ntawm LCD, tus nqi yog kev txo qis tsis tu ncua. Ib qho 15-nti LCD saib muaj nyob rau $ 500. Nws cov kev qhia txhim kho yav tom ntej yog los hloov cov cathode zaub ntawm PC thiab siv nws hauv LCD TV.
Plasma Zaub
Ntshav cov zaub yog lub teeb pom kev ua kom pom cov duab thaij duab pom tseeb los ntawm cov hauv paus ntsiab lus ntawm cov roj (xws li huab cua) tawm. Ntshav cov ntaub ntawv muaj qhov zoo ntawm cov hlua hluav taws xob sib dhos, tab sis yog cov ntaub ntawm cov qauv nyias nyias. Cov khoom lag luam loj yog 40-42 nti. 50 60 nti cov khoom yog nyob rau hauv kev loj hlob.
Nqus tsev fluorescence
Lub tshuab nqus tsev fluorescent zaub yog ib qho chaw ua kom pom dav hauv cov khoom siv / video thiab cov khoom siv hauv tsev. Nws yog triode electron raj ua nqus plua plav tso tawm uas encapsulates cathode, daim phiaj thiab anode hauv lub tshuab nqus tsev. Nws yog tias cov tshuab hluav taws xob emitted los ntawm cathode tau nrawm rau daim phiaj thiab anode, thiab txhawb lub phosphor ntawm anode rau anode kom emit ci. Cov phiaj xwm adopts tus qauv honeycomb.
Electroluminescence)
Cov ntaub ntawv hluav taws xob hauv tshuab hluav taws xob yog ua siv cov khoom siv-xeev cov tshuab ua yeeb yaj kiab. Ib txheej insulating tau muab tso rau ntawm 2 daim phiaj phiaj thiab daim nyias nyias electroluminescent yog muab tso rau. Cov cuab yeej siv zinc-coated los yog strontium-coated daim hlau nrog brocission specization specuminal Cheebtsam. Nws qhov txheej txheem hluav taws xob yog 100 microns tuab thiab tuaj yeem ua tiav tib qho tseeb tshwm sim ua ib tus organic teeb emitting emitting diode (OLED) zaub. Nws cov tsav raug voltage yog 10kHz, 200v ac voltage, uas yuav tsum muaj ntau tus tsav tsheb IC. Lub siab-daws microdisplay siv cov txheej txheem tsav tsheb nquag tsav tsheb tau ua tiav.
tus coj
Lub teeb-emitting cov lus qhia muaj muaj ntau ntawm lub teeb-emitting diodes, uas tuaj yeem yog monochromatic lossis ntau xim. High-efficienc xiav lub teeb-emitting diodes tau dhau los, ua kom nws ua tau los tsim cov xim loj loj loj. LED cov lus qhia muaj cov yam ntxwv ntawm kev ci siab, siab ua haujlwm thiab lub neej ntev, thiab haum rau loj-screen qhia rau kev siv sab nraum zoov. Txawm li cas los xij, tsis muaj Mid-ntau cov lus qhia rau cov neeg saib xyuas lossis PDAS (cov khoos phis tawj (Handheld) tuaj yeem ua nrog cov thev naus laus zis. Txawm li cas los xij, LED monolithic sib xyaw Circuitated Circuitated Circuitated yuav siv tau raws li monochromatic virtual zaub.
Mem
Qhov no yog microdisplate tsim siv cov lej thev naus laus zis. Nyob rau hauv cov lus qhia zoo li no, microscopic cov txheej txheem yog muab khi los ntawm kev ua semiconductors thiab lwm yam ntaub ntawv siv cov txheej txheem semiconductor txheem. Nyob rau hauv ib lub xov tooj digital micromirror, tus qauv yog micromirror tau txais kev txhawb nqa los ntawm pob khawm. Nws cov hinges yog ua yeeb yam los ntawm cov nqi ntawm cov phiaj txuas nrog ib qho ntawm lub cim xeeb hauv qab no. Qhov loj ntawm txhua lub micromirror yog kwv yees li ntawm txoj kab uas hla ntawm tib neeg cov plaub hau. Cov cuab yeej no yog tsuas yog siv nyob rau hauv Portable Kev Lag Luam Ua Lag Luam thiab Kev Ua Yeeb Yam Hauv Tsev.
Teb Flission
Tus txheej txheem tseem ceeb ntawm cov chaw emission yog tib yam li ntawm lub raj ntawm lub poom ntawm lub phaj thiab ua rau muaj cov phosphor coated rau ntawm anode kom emit rau emit rau emit rau emit rau emit rau emit rau emit rau emit rau patit teeb. Nws cov cathode yog tsim ntawm ntau cov khoom hluav taws xob me me tau npaj hauv ib qho array, uas yog, nyob rau hauv daim ntawv ntawm ib tug ntawm ib pixel thiab ib tug cathode. Ib yam li cov tshuaj tsis zoo thiab cov lus qhia tawm, cov lus tawm tswv yim pom kom cov neeg muaj hluav taws xob siab los ua haujlwm, xws li ntawm xyoo 200uv mus rau 6000V. Tab sis kom deb li deb, nws tsis tau dhau los ua vaj huam sib luag tseem ceeb vim yog tus nqi tsim khoom siab ntawm nws cov khoom tsim khoom.
Organic Teeb
Nyob rau hauv ib tug organic teeb-emitting diode zaub (OLED), qhov hluav taws xob tam sim no tau dhau los ntawm ib lossis ntau txheej ntawm cov yas los tsim lub teeb uas zoo li cov teeb pom kev zoo. Qhov no txhais tau tias dab tsi yuav tsum muaj rau ib qho OLED ntaus ntawv yog lub zog-lub xeev zaj duab xis pawg ntawm ib substrate. Txawm li cas los xij, cov ntaub ntawv organic yog rhiab heev rau dej vapor thiab oxygen, yog li sib khi yog qhov tseem ceeb. Oleds yog nquag lub teeb-emitting cov cuab yeej thiab nthuav tawm cov cwj pwm zoo heev thiab kev siv hluav taws xob tsawg. Lawv muaj peev xwm zoo rau huab hwm coj ntau lawm hauv kev yob-los ntawm-yob cov txheej txheem ntawm kev hloov pauv ntawm substrates thiab yog li ntawd pheej yig heev rau kev tsim khoom. Cov thev naus laus zis muaj ntau cov kev siv, los ntawm cov monochromatic monochromatic-cheeb tsam teeb pom kev zoo rau cov duab puv ntoob video cov lus qhia.
Hauv chk
E-Ink Cov Lus Qhia yog cov lus qhia uas tau tswj hwm los ntawm kev thov hluav taws xob rau cov khoom siv bistable. Nws muaj ntau ntawm cov micro-seal pob tshab pob tshab heev, txhua txog 100 microns nyob rau hauv lub cheeb, muaj ntau yam ntawm cov lus ntawm dawb titanium dioxide. Thaum ib daim teb hluav taws xob tau thov rau cov khoom siv bistable, lub titanium dioxide doidrate rau ib qho ntawm cov electrodes nyob ntawm lawv lub xeev them. Qhov no ua rau lub pixel rau emit los yog tsis. Vim tias cov khoom siv yog rab txiv, nws khaws cov ntaub ntawv rau lub hlis. Txij li nws ua haujlwm hauv lub xeev yog tswj los ntawm ib daim teb hluav taws xob, nws cov ntsiab lus tso tawm tuaj yeem hloov nrog lub zog me me.
Nplaim Teeb Ntes
Nplaim Nplog duab raj photometric ntes FPD (nplaim duab raj photomartric, FPD luv luv)
1. Lub hauv paus ntsiab lus ntawm FPD
Lub hauv paus ntsiab lus ntawm FPD yog nyob ntawm kev sib txuas ntawm cov qauv hauv cov kab mob hydrogen-nplua nuj ntawm S2) thiab tus neeg zoo siab ntawm HPO) yog tsim. Qhov ob qho zoo siab cov tshuaj radiate spectra ncig 400nm thiab 550nm thaum lawv rov qab mus rau hauv av hauv lub xeev. Qhov siv ntawm cov spectrum no yog ntsuas nrog popom intens້າງ yog sib xws rau cov neeg ntws tsawg ntawm cov qauv. FPD yog qhov kev nkag siab thiab xaiv tau, uas tau siv dav hauv kev tsom xam ntawm cov leej faj thiab phosphorus tebchaw.
2. Tus qauv ntawm FPD
FPD yog tus qauv uas ua ke FID thiab photometer. Nws pib ua ib leeg nplaim fpd. Tom qab 1978, txhawm rau ua kom muaj qhov tsis txaus ntseeg ntawm ib leeg-nplaim fpd, dual-nplaim FPD tau tsim. Nws muaj ob lub nplaim taws-hydrogen flames, cov nplaim hluav taws xob qis dua molecules rau cov khoom sib txuas xws li S2 thiab HPO; Cov nplaim hluav taws xob sab saud ua rau luminescent zoo siab lub xeev xws li S2 * thiab hpo *, muaj lub qhov rai aim, thiab qhov siv ntawm chemiluminescence raj. Lub qhov rais yog ua los ntawm cov iav nyuaj, thiab cov nplaim hluav taws yog ua los ntawm cov hlau stainless.
3. Cov kev ua tau zoo ntawm FPD
FPD yog ib qho kev xaiv ntes rau kev txiav txim siab ntawm cov leej faj thiab phosphorus tebchaw. Nws cov nplaim hluav taws yog nplaim taws-nplua nuj, thiab cov khoom siv ntawm huab cua yog tsuas yog txaus kom muaj 70% ntawm cov nplaim hluav taws kub kom tsim kom muaj cov neeg zoo siab thiab phosphorus. Sib xyaw ua ke tawg. Tus nqi ntws ntawm cov cab kuj, hydrogen thiab huab cua muaj qhov cuam tshuam zoo rau FPD, yog li cov roj kev tswj hwm yuav tsum ruaj khov. Cov nplaim taws kub rau kev txiav txim siab ntawm sulphur-muaj cov tebchaw yuav tsum nyob ib ncig ntawm 390 ° C, uas tuaj yeem tsim kom zoo siab S2 *; for the determination of phosphorus-containing compounds, the ratio of hydrogen and oxygen should be between 2 and 5, and the hydrogen-to-oxygen ratio should be changed according to different samples. Cov cab kuj yuav tsum tau hloov kho kom raug kom tau txais lub teeb liab zoo-rau-suab nrov.
Lub Sijhawm Post: Jan-18-2022