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Ib qho kev taw qhia luv luv rau OLED, cov khoom thiab cov txheej txheem

Jun 20, 2018

Ib qho kev taw qhia luv luv rau OLED, cov khoom thiab cov txheej txheem


Cov yam ntxwv, qauv thiab txheej txheem khiav ntawm cov cuab yeej OLED

Ntaubntawv OLED, kev ua haujlwm, kev ua haujlwm ntawm lub neej

• Tsheb tsav tsheb OLED

• Cov txheej txheem evaporation ntawm OLED

• txheej txheem ntim ntawm OLED

• Tom qab tsev kawm ntawv cov homework


OLED - Luv luv piav qhia

OLED tseem hu ua organic teeb emitting diode

Qhov kev luminescence, tsis muaj kev teeb

Tag nrho cov khoom, tsis ntshai kev co

High brightness

Siab zoo ib yam

Dav kaum sab xis pom

Ultrathin

luv nqi

tsawg zog noj

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OLED - Vs LCD (kev ua tau zoo)

LCD

Xav nrig qaum

Lub kaum sab xis pom

Lub sijhawm lub sijhawm 100ms

Multilayer qauv

Tsis txhob txhawb cov khoom yooj yim

Tus txheej txheem yog complex thiab tus nqi yog siab

Qhov ntau ntawm qhov kub yog nqaim:

0 C ~ 50 C

OLED

Tawm luminous

> 160 degree dav dav pom

Yoo, 1US

Thinner, <1>

Cov ntaub ntawv yooj yim

Tus txheej txheem yog qhov yooj yim thiab tsawg.

Qhov no muaj peev xwm

Kev siv kub yog -40 C ~ 85 C


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OLED - Kev faib tawm hauv cov khoom

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OLED - Daim Ntawv Thov

Tsav tsheb dhau passive (PM) nquag nquag (AM)

hom

Phau ntawv

saib

TV

Txawb / MP3

PDA

Cov koob yees duab

Lub tsheb saib

Daim ntawv thov

Medium loj OLED

(10 ~ 40 nti)

Loj me me OLED

(1 ~ 7 nti)


OLED - qauv schematic daim duab

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OLED - luminescence schematic

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HIL: qhov qhov txhaj tshuaj

HTL: qhov sib kis txheej

EML: luinescent txheej

EIL: electron txhaj tshuaj


OLED - pixel qauv diagra

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Qab zis thiab saum toj kawg nkaus emission

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OLED - tag nrho xim

- xim purity ntawm cov ntaub ntawv hloov xim

Degree thiab ua haujlwm

Txhim kho qhov kev hloov ntawm lub teeb liab hloov

Lub teeb xim purity ntawm lub teeb dawb

Txhim kho txoj kev siv lub teeb

(CF npog lub teeb)

• muaj qhov tseeb ntawm RGB

High purity thiab ntev lub neej liab lub teeb khoom

Kev loj hlob

Kev txhim kho kev ua haujlwm

Luminous efficiency

Nrog xiav lub teeb ua lub teeb ci, xim hloov

Hloov lub teeb rau RGB peb

xim

Lub teeb dawb yog lub teeb thiab qhov xim ntxiv.

Xim lim

RGB tricolor luminescent cov ntaub ntawv yog ywj siab

Luminescence

txoj ntsiab cai

Daim duab

Hom RGB 3 xim kab teeb dawb + xim lim (CF) xiav lub teeb + xim hloov txheej (CCF).

RGBRGBRGB


OLED - Khoom qauv duab

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OLED - Vs LCD (seem qauv)

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PMOLED - Cov txheej txheem ua haujlwm

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Cov ntsiab lus  

• cov yam ntxwv, tus qauv thiab kev khiav dej num ntawm cov cuab yeej OLED

• Cov ntaub ntawv hauv OLED, lub zog, kev ua haujlwm, kev ua neej ntev

• Tsheb tsav tsheb OLED

• Cov txheej txheem evaporation ntawm OLED

• txheej txheem ntim ntawm OLED

• Tom qab tsev kawm ntawv cov homework

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OLEDStructural evolution

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OLED - qhov chaw txhaj tshuaj (HIL) cov khoom

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OLED - cov khoom thauj (HTL) cov khoom

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                                     OLED - cov khoom siv doped

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                               OLED - hluav taws xob kis, luminescent txheej khoom

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Luminescence spectrum

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Kev hloov cov txheej txheem

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OLED - Cov khoom xa tawm

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Khoom siv hluav taws xob

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  Luminous efficiency

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Kev tsom xam ntawm kev tsis ua hauj lwm ntawm OLED

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OLED - tsav tsheb

Cov koob yees duab digital, digital cameras, Smart Phone

Thiab yog li ntawd, es tsis txhob TFT-LCD txoj hauj lwm hauv khw muag khoom

Tsheb zaub, qus tshuab, txawb xov tooj,

Qhia me me thiab nruab nrab, xws li PDA, thawj coj

TN / STN Market

phiaj xwm kev lag luam

Xim rendering muaj peev xwm monochromatic los yog xim muaj xim zoo nkauj

High kev pib chaw

(tsis kub polysilicon TFT Technology)

Tus nqi qis ntau

Tsis haum rau loj loj, loj kev daws teeb meem

(vim tias qhov nce ntawm qhov loj thiab kev daws teeb meem

Luminescence efficiency thiab txo lub neej

shortcoming

Tsawg voltage tsav thiab tsawg zog noj

Haum rau loj loj. Kev txhim kho loj

Lub neej ntev

Yooj yim siv

Zoo. Tsawg nqi

Passive tsav tsav


AM tsav hom

1.Voltage tsav tswvyim rau AM-OLED
Analog tsav tsheb tswvyim
2. Tsav tsheb khiav tsav rau kev kawm siab AM-OLED
Cov qauv tsav tsheb



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Cov ntsiab lus

• cov yam ntxwv, tus qauv thiab kev khiav dej num ntawm cov cuab yeej OLED

• Ntaubntawv OLED, kev ua haujlwm, kev ua haujlwm ntawm lub neej

• Tsheb tsav tsheb OLED

• Cov txheej txheem evaporation ntawm OLED

• txheej txheem ntim ntawm OLED

• Tom qab tsev kawm ntawv cov homework

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Cov ntsiab lus

• cov yam ntxwv, tus qauv thiab kev khiav dej num ntawm cov cuab yeej OLED

• Ntaubntawv OLED, kev ua haujlwm, kev ua haujlwm ntawm lub neej

• Tsheb tsav tsheb OLED

• Cov txheej txheem evaporation ntawm OLED

• txheej txheem ntim ntawm OLED

• Tom qab tsev kawm ntawv cov homework


Daim ntawv ntim OLED

Cov kev txhim kho tam sim no thiab daim ntawv thov yog:

A. Desiccant + tau (daim ntawv thov ntau lawm)

B. Fit fusion (Daim ntawv thov ntawm kev tsim ntau lawm)

C. DAM & amp; FILL (daim ntawv thov ntau lawm)

D. Ua yeeb yaj kiab zaj dab neeg (Daim ntawv thov ntawm kev tsim ntau lawm)

E. Cov txheej txheem zoo (daim ntawv thov kev tsim ntau lawm)

F. Ca zaj duab xis xim txheej (daim ntawv thov ntawm qhov ntau lawm)

G. Yeeb Yam Zaj Duab Ntaus (Kev Zog)


Ua tau + khoom noj khoom haus

• tsoos tsho

Haum rau qab-emi, tab sis tsis haum rau top-emi, AM lossis PM

• Cov khoom, cov khoom siv, thiab kev siv cuab yeej technology

Kev muaj kev ruaj ntseg, substrate tsis xav tiv thaiv txheej txheem

Tsuas substrate yog iav, thiab tom qab npog xav tau kev pabcuam.

     

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Frit Melting

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Substrate xav tau plating tiv thaiv zaj duab xis

Kev sib koom ntawm lub phaj hauv qab thiab lub hau sab nram qab los ntawm lub iav thaiv kua nplaum

Lub hau sab nram qab tsis tuaj yeem txav tau

• haum rau hauv qab, saum toj, AM lossis PM

Anti kab permeable permeability

Cov txheej txheem yog yooj yim thiab kev vam khom hauv cov khoom siv sib khi zoo heev

Cov khoob khoob khov nruab nrab ntawm lub substrate thiab lub hau khwb qaum tsuas yog tsim rau me me thiab nruab nrab loj.

Nta npo

Tus qauv rigidity muaj zog heev thiab lub sij hawm tacktime ntev.

• Samsung siv cov qauv yees zoo sib xws (Corning muaj cov kev txawj ntse).

nyiaj poob haujlwm