Tsev > Xov xwm > Ntsiab lus

Cov kev taw qhia ntawm LED, OLED thiab LCD

Feb 20, 2017

LCD

LCD yog tag nrho lub npe ntawm tus LCD Kua Crystal zaub, mas TFT, UFB, TFD, STN thiab lwm yam kev LCD screen.

Tus qauv ntawm lub LCD yog muab tso rau hauv lub kua siv lead ua box ob thaum uas tig mus iav substrate, iav substrate yog muab nyob rau hauv lub TFT (nyias zaj duab xis transistor), nyob rau hauv lub khob substrate yog cov txheej txheem ntawm nyob rau hauv cov xim lim, kev sib hloov cov kev taw qhia lub teeb liab thiab cov voltage hloov los ntawm TFT los tswj cov kua siv lead ua molecules, thiaj li mus cuag cov kev tswj ntawm txhua pixel los yog yuav tawm lub teeb mus tso saib.

LCD yog ib hom ntawm cov khoom ntawm cov khoom thiab kua, nws tsis yog luminous, yuav tsum tau siv ntxiv teeb qhov chaw. Yog li ntawd, tus xov tooj ntawm lub teeb muaj feem xyuam rau lub brightness ntawm lcd.

Lub nrig txog kev pom kaum sab xis ntawm LCD yog ib tug mob taub hau teeb meem. Thaum lub backlight kis los ntawm tus polarizer, cov kua siv lead ua thiab lub orientation txheej, qhov teeb tso zis yog directional. Uas yog hais tias, feem ntau ntawm cov teeb tawm txim liab los ntawm lub screen mas, li ntawd, los ntawm ib tug loj foundations saib lub LCD zaub, lawv yuav tsis pom tus thawj nqaij daim tawv, thiab txawm tsuas pom tag nrho cov dawb los yog tag nrho dub.

LED

LED yog ib lub teeb emitting diode lub teeb emitting Diode. Lub LED daim ntawv thov yuav tsum tau muab faib ua ob pawg: ib tug yog tus LED zaub; ob LED ib daim ntawv thov, xws li cov LED backlight, infrared LED. Tam sim no rau cov LED zaub, nrog: uas tsis muaj zog noj, ntev kev pab cuam lub neej, tsis tshua muaj nqi, siab brightness, tsawg tsis ua hauj lwm, loj saib lub, nrig txog kev pom deb thiab thiaj li nyob.

Hauv paus ntsiab lus ntawm LED luminescence thiab luminescent ntawv uas siv:

Lub semiconductor khoom muaj ib tug heev interesting vaj tse, hu ua tus cab kuj; cov cab kuj yog muab faib ua ob pawg: ib tug yog cov tsis zoo them electrons ,; lwm yam yog lub qhov, zoo them. LCD teeb-emitting hauv paus ntsiab lus yog kev siv ntawm ob hom ntawm cov cab kuj nyob rau hauv tej yam mob uas yuav tsum ua ke, qhov kev tso tawm ntawm lub zog nyob rau hauv daim ntawv ntawm ib tug photon ntawm lub teeb. Nws yuav ua tau nyob rau hauv raws li ntaub ntawv sib txawv, electron thiab qhov nyob muaj zog yog sib txawv, electron thiab qhov ua tau raws li tus txheeb ze qhov siab qhov sib txawv yog txiav txim siab nyob rau hauv ob cov cab kuj nrog ib theem ntawm lub zog, nws yuav ua kom muaj photons nrog txawv energies, uas muaj peev xwm tswj tau lub LED teeb tawm txim liab los ntawm lub wavelength, ib yam nkaus thiab yog tus spectrum los yog xim.

Cov ntaub ntawv siv nyob rau hauv LED mas 3A-5A caij compound semiconductors (eg GAP, GaAs, GaN, AlInGaP, etc.). Raws li yog vim li cas nws yuav emit teeb ntawm txawv xim, nws yog LED nws tus kheej nyob rau cov ntaub ntawv, xws li: lub teeb liab nrog AlInGa (arsonium AlGaAs), ntsuab kis (Lin Huajia), xiav lub teeb nrog ZnS (zinc sulfide) los yog GaInN ( indium gallium nitride) ... Tos.

LED yuav tau muab faib mus rau hauv pom lub teeb diode thiab infrared teeb emitting diode raws li nws luminous wavelength. Lub luminescent hauv paus ntsiab lus yog kev siv ntawm electron thiab qhov nyob rau hauv ib tug semiconductor kev, yuav tso zog nyob rau hauv daim ntawv ntawm ib tug photon ntawm lub teeb, thiab lub teeb emitting diode siv cov khoom mus rau compound semiconductor 3A, 5A hais, xws li: GaAs, GAP, AlGaP , AlInGaP thiab thiaj li nyob, lub emission wavelength thiab brightness rau kev siv cov ntaub ntawv sib txawv.

Qhov txawv ntawm LCD thiab LED

Piv nrog rau lub LCD zaub, LED muaj ntau zoo nyob rau hauv cov nqe lus ntawm brightness, lub hwj chim noj, pom tau qhov sib kaum sab xis thiab tshiab npaum li cas, uas tau raug tso tseg mus rau lub navigation ntawm lub LED. Siv LED technology, koj muaj peev xwm tsim ib tug thinner, brighter, dlaim phaj zaub dua LCD.

1) LED thiab LCD zog noj piv txog 1:10, LED ntau zog.

2) LED muaj ib tug ntau dua refresh tus nqi, kev kawm zoo nyob rau hauv cov nqe lus ntawm video kev kawm.

3) LED muaj ntau saib kaum sab xis ntawm 160 degrees, koj muaj peev xwm tso saib ib tug ntau yam hauv cov ntawv nyeem, tus xov tooj, xim dluab thiab animation ntaub ntawv, koj yuav ua si TV, yees duab, VCD, DVD thiab lwm yam xim video Pib ntsais koj teeb.

4) LED zaub ntawm ib lub caij cov tshuaj tiv thaiv kev ceev yog 1000 lub sij hawm lub LCD LCD screen, kuj yuav los xyuas nyob rau hauv lub teeb, thiab kom hloov mus rau tsawg kub ntawm Rho tawm 40 degrees.

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OLED-- organic teeb emitting diode

Nws thiab LED, tab sis yog tsuas yog ib tsab ntawv sib txawv, tab sis nyob rau hauv qhov tseeb ob piav ib tug kiag li tej yam txawv. Peb txhua tus yeej paub hais tias cov LCD vaj huam sib luag yog los ntawm lub backlight lub teeb, los ntawm lub refraction ntawm cov kua siv lead ua molecules thiab tsim ib tug ntau yam ntawm cov xim txawv, cov kua siv lead ua lwg me me lawv tus kheej muaj peev xwm tsis emit teeb, thiab LED yog hais txog xwb rau qhov backlight. Lub OLED nws tus kheej yog tau emit teeb, thiaj li tsis muaj backlight. LED yog siv nyob rau hauv cov hlau cov ntaub ntawv, thiab OLED yog siv cov ntaub ntawv organic; ib co ntau tshaj OLED, nws tsis xav sib yuav ua tau nws tus kheej luminous, zoo zoo, feem ntau yog nrog LED, yog muaj lub backlight teeb irradiation tau pom.

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Tam sim no, lub teeb emitting diode siv ntaub ntawv yog inorganic semiconductor cov ntaub ntawv, yog nyuaj yuav tsum tau ua ntawv thov kom cheeb tsam loj thiab yuav tsum tau high-kev daws teeb meem Cheebtsam (EX: screen), los daws kom tau cov teeb meem no yog nyob rau hauv lub hom ntawm cov organic semiconductor ntaub ntawv (cov ntaub ntawv uas muaj hydrocarbons ), nws yog loj rau ib tug iav ntawv conductive, los ntawm kev mus tam sim no. Koj muaj peev xwm tso ib tug ntau yam sib txawv ntawm cov wavelengths ntawm lub teeb.

OLED luminescence hauv paus ntsiab lus

Organic luminous hauv paus ntsiab lus thiab txoj ntsiab cai ntawm lub teeb emitting diode yog zoo li hais tias ntawm lub tib cov ntaub ntawv siv yam ntxwv, tus electron qhov nyob rau hauv lub teeb emitting txheej nrog electrons los ntawm pog lub xeev ntog rov qab mus rau hauv av lub xeev, qhov tshaj zog yog tso tawm nyob rau hauv daim ntawv ntawm cov yoj , thiab ua tau lub teeb muaj nuj nqi. Yog li ntawd, tsuas yog tus OLED thiab PLED hu. OLED yog ib tug me me molecule organic teeb emitting diode, PLED yog ib tug polymer organic teeb emitting diode. )

OLED qauv

Cov yooj yim qauv ntawm cov organic teeb emitting diode raws li qhia hauv qab no, yog siv tib yam cov ntaub ntawv uas cov khoom, lub electron qhov nyob rau hauv lub teeb-emitting txheej nrog cov hluav taws xob siab heev lub xeev los ntawm daim ntawv rov qab mus rau hauv av lub xeev, qhov tshaj zog nyob rau hauv daim ntawv ntawm cov yoj tso tawm, yog li tsis tau raws li txawv wavelength teeb emitting Cheebtsam ua. OLED yog siv los hno electrons thiab qhov nruab nrab ntawm ob electrodes, thiab kev siv ntawm cov organic molecules mus tsim kho, thiab ua tau luminous muaj nuj nqi. Lub anode yog Ito conductive iav zaj duab xis, nyob rau hauv daim ntawv ntawm evaporation, txuas mus rau lub khob los pob tshab yas substrate, lub cathode muaj Mg, Al, Li thiab lwm yam hlau. Nyob rau hauv nruab nrab ntawm ob electrodes yog lub teeb emitting cheeb tsam ntawm ntau yam organic nyias zaj duab xis tsim kom muaj, xws li lub qhov txhaj tshuaj cheeb tsam thiab qhov hloov lwm lub tsev cheeb tsam, lub organic teeb emitting txheej thiab electron thauj txheej, nyob rau hauv lub tiag tiag lawm, xav tias qhov sib txawv xav tau kev pab ntawm sib txawv, tej zaum kuj muaj lwm yam films.

OLED xim hom

Cov organic teeb emitting diode rau ntsuab technology yog lub feem ntau paub tab, xiav lub teeb thiab lub teeb liab yuav tsum tau commercialized. Xim organic teeb emitting diode zaub yog muab faib ua monochrome, xim thiab nqaij daim tawv, yeeb yuj, yog muaj li ntawm ib tug plurality ntawm monochrome zaub chaw, txhua cheeb tsam no yog muaj li ntawm rov tag nrho-xim monochrome; pixel liab, ntsuab thiab xiav peb cov xim, cov pixel loj yog zoo, ntau dua qhov lub daws teeb meem. Nyob rau hauv zaub daim ntaub ntawv, xim yog lub tseem ceeb ntawm kev vam meej nyob rau hauv kev ua lag luam.

Yuav ua li cas yog qhov zoo ntawm OLED technology?

OLED yog ib tug organic teeb emitting diode, kuj hu ua laser zaub nrog lub teeb, hluav taws xob thiab lwm yam ntxwv, yog li ntawm thaum pib ntawm 2003, cov zaub ntaus ntawv tau lug siv nyob rau hauv ib tug MP3 neeg uas ua ntawv, thiab rau DC thiab txawb lub xov tooj yog cov khoom , yav tas los xwb nyob rau hauv ib co exhibition qhia tau hais tias lub OLED kev tshuaj ntsuam project kuaj. Tsis mus rau hauv lub tswv yim daim ntawv thov nyob ntev. Tab sis lub OLED kev tshuaj ntsuam muaj ntau incomparable zoo ntawm LCD, li ntawd, nws tau optimistic txog kev ua lag luam.

OLED daim ntawv thov

OLED mas siv nyob rau hauv lub tsheb hom qhia, mobile xov tooj, kev ua si consoles, handheld portable mini computer, tus kheej cov kev pab (PDA), tsheb suab thiab cov koob yees duab ... Etc .. Lub neej yav tom ntej yuav tsum yog ntawm lub high efficiency fluorescent cov ntaub ntawv uas txoj kev loj hlob, 5 nti tag nrho-xim zaub ntau lawm, cov organic Cheebtsam ntawm daim ntawv thov tshiab txoj kev loj hlob, siab daws teeb meem tag nrho-xim tso saib txoj kev loj hlob ntawm me me luaj li cas, xws li txawj ntse mobile xov tooj.

Nyob rau hauv lub tam sim no kua siv lead ua zaub technology, OLED muaj ntau yam zoo, xws li ultra-nyias, zoo seismic kev kawm, loj saib lub, luv luv teb lub sij hawm, tsis muaj kub, siab luminous efficiency thiab thiaj li nyob. Nws yuav tsum tau muab sau tseg tias, txawm hais tias OLED tau maj tau paub zoo, tab sis tam sim no peb tsis pom ib tug loj cheeb tsam ntawm OLED cov khoom teev.