Folasaga i le LTPS?

Low Temperature Poly-silicon (LTPS) sa muaʻi avea ma kamupani tekonolosi i Amerika i Matu i Iapani e faʻaititia ai le faʻaaogaina o le malosi o Faʻaaliga-PC faʻaaliga, O le tekonolosi na atiaʻe e faʻaaoga ai Note-PC foliga manifinifi ma malamalama, I le ogatotonu o le 1990s, lenei tekonolosi amata amata ulufale i le faamasinoga tulaga。O le augatupulaga fou o faatulagaina malamalama-emitting vaega OLED maua mai LTPS ulufale aloaia foi i le tulaga faatino i le 1998, O lona sili sili ona lelei o ultra-manifinifi, mama avega, maualalo paoa taumafaina。 Mafai ona maua ai susulu lanu ma manino ata。

Maualalo vevela polysilicon

 TFT LCD mafai ona vaevaeina i polysilicon (Poly-Si TFT) ma amorphous silicon (a-Si TFT), O le eseʻesega i le va o le lua pepelo i uiga o le transistor。O le faʻatulagaina o le polysilicon o loʻo faʻatulagaina lelei ma faʻatonutonu i se saito , O le mea lea, o le faʻaaogaina o le eletise e 200-300 taimi vave nai lo le le faʻatonuina o le silicon amorphous; O le masani valaauina TFT-LCD faasino i amorphous silicon, Mature tekinolosi, O le autu oloa a LCD。Polysilicon oloa masani aofia ai maualuga-vevela polysilicon (HTPS) ma maualalo-vevela polysilicon (LTPS)。

 Low Temperature Poly-silicon (LTPS) manifinifi ata tifaga transistor faʻaali tioata tioata o loʻo i totonu o le afifiina gaioiga, Faʻaaogaina excimer leisa o se vevela mafuaʻaga, Ina ua maeʻa le le malamalama moli ala atu i le faiga faʻavae, O le a gaosia se leisa utupoto faʻatasi malosiaga tufatufaina, fuafuaina i o se tioata substrate ma se amorphous silicon fausaga, A o le amorphous silicon fausaga tioata substrate mitiia le malosi o le excimer leisa, O le a suia i se polysilicon fausaga, Ona o le atoa togafitiga faagasologa ua maeʻa i lalo o le 600 ℃, O le mea lea, lautele tioata substrates e talafeagai.

Uiga o uiga

  LTPS-TFT LCD ei ai le lelei o maualuga maualuga, vave tali, maualuga susulu, ma maualuga aperture ratio。I se faʻaopopoga, talu ai o le silicon tioata faʻatulagaina o LTPS-TFT LCD e sili atu le faʻatulagaina nai lo lena o le a-Si, Fai le eletise gaioiga fua faatatau sili atu maualuga nai lo le 100 taimi, O le peripheral ave taʻavale liʻo mafai ona fausiaina i luga o le tioata substrate i le taimi e tasi, Aapa i le sini o le faiga tuʻufaʻatasia, sefe avanoa ma aveina IC tau。

  I le taimi lava e tasi, Talu ai o le avetaavale IC matagaluega ua faia saʻo i luga o le laulau, E mafai ona faʻaititia le pito i fafo o vaega, Faateleina le faʻatuatuaina, faigofie tausiga, faʻapuʻupuʻu potopoto taimi faʻagasologa ma faʻaititia uiga EMI, Lenei faʻaititia le taimi mamanu o le polokalama polokalama ma faʻalauteleina le mamanu saolotoga.

  O le tekonolosi sili ona maualuga o le LTPS-TFT LCD o le ausiaina o le System on Panel, O le augatupulaga muamua o le LTPS-TFT LCD faʻaaogaina le built-in drive circuit ma maualuga-perform pixel transistors ia ausia maualuga maualuga ma maualuga le susulu. Ua faia LTPS-TFT LCD ma a-Si i ai se tele eseʻesega.

  Le augatupulaga lona lua o le LTPS-TFT LCD e ala i le alualu i luma o matagaluega tekonolosi, Mai le analog fesoʻotaʻiga i le faafuainumera Ofisa, Faʻaitiitia mana taumafaina. O le feaveaʻi o feaveaʻiga o lenei augatupulaga o le LTPS-TFT LCD o 100 taimi nai lo le-Si TFT, O le eletise laina laina lautele e tusa ma le 4μm, O uiga o LTPS-TFT LCD e leʻi faʻaaogaina atoatoa.

  O le tolu-augatupulaga LTPS-TFT LCD e sili atu atoatoa i peripheral tele-fua tuʻufaʻatasia tuʻufaʻatasia (LSI) tuʻufaʻatasia nai lo le lona lua-augatupulaga, Lona faʻamoemoe o: (1) E leai ni peripheral vaega e faia le module mama ma manifinifi, E mafai faʻaititia foʻi le aofaʻi o vaega ma faʻaputuputu tagata-itula; (2) Faʻafaigofieina faʻailo mafai ona faʻaititia le faʻaaogaina o le paoa; (3) Faʻatasi ma le manatua e faʻaititia ai le faʻaaogaina o le malosi.

  Talu ai LTPS-TFT LCD suavai tioata faʻaaliga foliga lelei o le maualuga iugafono, maualuga lanu faʻatumuina, ma tau maualalo, Maualuga faʻamoemoe ua tuu i luga o se fou galu o faʻaaliga. Faʻatasi ai ma ona maualuga matagaluega tuʻufaʻatasia uiga ma maualalo tau lelei, O se matua aoga i le faʻaogaina o laʻititi ma feololo faʻaaliga faʻaaliga. Ae o le P-Si TFT e lua faʻafitauli, tasi o le o ese-setete nei (ie leakage taimi nei) o le TFT e fai si lapoʻa (Ioff = nuVdW / L); Lua, e faigata ona saunia maualuga-gaioiga p-Si mea i nofoaga tetele i le maualalo o le vevela.E i ai ni faigata i le gaioiga.

  O se fou tekonolosi oloa gaosia mai TFT LCD. O le LTPS pupuni na gaosia e ala i le faʻaopopoina o le leisa faʻagasologa gaioiga i masani amorphous silicon (a-Si) TFT-LCD panels. O numera o vaega e mafai ona faʻaititia e 40%, Ma le fesoʻotaʻiga vaega e mafai ona faʻaititia e 95%, Sili faʻaititia le avanoa o oloa le manuia. O lenei pupuni ua matua faʻaleleia i tulaga o le malosi faʻaaogaina ma le anagata, O itu faʻataʻamilomilo ma vaʻavaʻai vaʻai vaʻaia mafai ona oʻo atu i le 170 tikeri, faʻaali tali tali atu i le 12ms, O le faʻaaliga susulu susulu 500 nits, O le eseesega fuafaatatau mafai ona oo i le 500: 1.

E tolu auala autu e tuʻufaʻatasia ai le maualalo-vevela p-Si avetaʻavale:

1, Hybrid tuʻufaʻatasia o le tilotilo solo ma faʻamatalaga suiga, O le matagaluega ua tuʻufaʻatasia faʻatasi, O le fesuiaʻi ma fesuiaiga resitara o loʻo tuʻufaʻatasia i le koluma matagaluega, Tele faʻapitoa avetaʻavale ma amplifiers e fesoʻotaʻi i le laugatasi vaega faʻaaliga ma measina tofi;

2, Uma ave taʻavale ua maeʻa tuʻufaʻatasia luga o le faʻaaliga faʻaaliga;

3, Drive ma control circuit o loʻo tuʻufaʻatasia luga o le faʻaaliga faʻaaliga.

 


Taimi Post: Ian-07-2021