TFT Kɔlɔ Displei dɛn: Intafɛs Fridɔm frɔm 0.69 to 10.1 Inch

Atikul

Fɛbwari 25, 2024

Wan LCD we gɛt wan kɔlɔ kin sɔlv if sɔntin de we pɔsin kin si. Wan TFT de sɔlv if i kin yuz am. Di difrɛns de sho pan mistek rit, aw fast wan ɔpreshɔn de rid grafik, ɛn aw di prɔdak luk mɔdan.

Frɔm Visible to Yuz

Wan LCD we gɛt wan kɔlɔ kin sɔlv if sɔntin de we pɔsin kin si; wan TFT de sɔlv if i kin yuz am. Aktiv matris de gi ɛni piksɛl in yon drayv, we de muv kɔntrast, rispɔns ɛn kɔlɔ kɔnt ɔp bay wan ɔda magnitud, ɛn mek aykɔn, chɛt, ful Chaynish layout ɛn tɔch ɔl pɔsibul. Di intafeys we mɔtalman ɛn mashin de kɔmɔt frɔm wan panɛl we de sho tu layn dɛn fɔ tɛks to wan winda we kin rɔn wan intafɛs.

Di difrɛns land pan di prɔdak dairekt wan. Di wan dɛn we de yuz am kin stɔp fɔ mɛmba bɔku bɔku kɔd dɛn, di mistek dɛn kin fɔdɔm, di wan dɛn we de wok na di fil kin rid grafik dɛn fast pas di nɔmba dɛn, ɛn di prɔdak kin luk mɔdan bikɔs i kin drɔ. We yu spɛn smɔl mɔ pan hadwae, yu kin bay wan ɔvala stɛp chenj na di ɛkspiriɛns lɛvɛl — na dat mek kɔlɔ intafɛs dɛn de muf dɔŋ frɔm ay-ɛnd prɔdak dɛn to di men strim.

Pik di Intafɛs bay Sistɛm, Nɔto bay Fashɔn

TFT intafeys sɛlɛkshɔn tan lɛk giabɔks smɔl: no bɛst opshɔn nɔ de, na wan we mach nɔmɔ. Di MCU intafeys de yuz smɔl pin ɛn i simpul fɔ drayv, i fit smɔl MCU ɛn nɔ-hay-spid yus, pan di kɔst fɔ mentenɛns wan freym bafa yusɛf. Parallel RGB de transfa fast ɛn i fayn fɔ vidio ɛn animashɔn, bɔt i de yuz bɔku pin ɛn i po fɔ lɔng tɛm. SPI na di wan we spays pas ɔl — wan anful layn dɛn de handle wan smɔl kɔlɔ panɛl — wit limited rifresh. LVDS ɛn MIPI kin telɛ intafɛreshɔn ɛn lɔng rɔn, we fit big saiz ɛn ilɛktrik nɔys ɛnvayrɔmɛnt.

Intafɛs we yu kin pik kin bigin frɔm wetin yu ɔs kin gi, ɔmɔs routin spɛs yu gɛt insay, ɛn ɔmɔs kɔntinyu yu nid fɔ rifresh. Setul dem tri en di intafeys na big wan setul. Wi sɔlvishɔn dɛn de alaw fɔ ajɔst intafɛs, vɔlɔt ɛn pin difinishɔn to di dizayn, so yu sistɛm nɔ nid fɔ akɔmod wan katalog pat.

0.69 to 10.1 Inch pan Wan Plɛtfɔm

Wan wayd saiz span gɛt rial valyu. If yu prodak layn span kɔmpakt hanheld divays ɛn intaraktiv panɛl, ɛn di displei modul dɛn kɔmɔt frɔm wan saplay, den drayva kɔd, asɛmbli prɔses ɛn saplay manejmɛnt ɔl na wan, ɛn injinɛri ɛkspiriɛns kin yuz bak. Wan kros-saplaya kɔmbayn kin min tu drayva sɛt, tu inspekshɔn rijim ɛn tu we fɔ wok.

0.69-inch kɔmpakt kɔlɔ panɛl dɛn de sav smɔl divays dɛn ɛn tin dɛn we pɔsin kin wɛr; 2.4, 3.5, 4.3, 5.0 ɛn 7.0 inch kɔba men-strim hanheld ɛn panɛl aplikeshɔn dɛn; 10.1 inch de sav intaraktiv intafeys ɛn infɔmeshɔn bɔd dɛn. Yu kin ad tɔch usay nid de, ɛn yu kin chenj di kɔva-lɛns ɛn baklayt kɔlɔ. Dis saiz layn de kɔba di displei nid fɔ mɔs hadwae prodak dɛn we nɔ chenj di saplay mid-strim.

Customization Nɔ Ridyus Bikɔs Na Kɔlɔ

Bɔku tɛm dɛn kin tek di kɔlɔ panɛl dɛn se na standad-prɔdakt makit, bɔt di kɔstɔmayshɔn spɛs big lɛk fɔ wan kɔlɔ. Sayz kin bi nɔ-standad, intafeys ɛn pin difinishɔn fala di dizayn, FPC lɔng ɛn kebul ɛkzit dairekshɔn fala asɛmbli, baklayt braytnɛs ɛn kɔlɔ fala di envayrɔmɛnt, tɛmpracha gred de fala di sayt, ɛn fɔ si dairekshɔn de fala di instɔleshɔn pozishɔn. Tכch tεknכlכji (rεsistiv כ kapasitiv) εn kכva-lεns prכsεs kin spεsifiket bak.

Insay prɔsis, gi wi di rizɔlt, intafɛs kɔndishɔn, asɛmbli saiz, ɔpreshɔn ɛnvayrɔmɛnt ɛn tɔch rikwaymɛnt, ɛn di maching wok na di spɔlayt de du am. Wi kin gi bak wan sɔlv ɛn kot insay twɛnti-fo awa; paramita dɛn na tipik katalog valyu dɛn ɛn kɔstɔmayshɔn de fala yu dizayn. Kɔlɔ panɛl dɛn kin divɛlɔp fɔ drɔ bak, nɔto jɔs pik frɔm wan katalog — we de sev bɔku tɛm pan smɔl-batch prɔjek dɛn.

Biyond di Intafɛs: Fram Bafa ɛn Mɛmori

Intafɛs chuk de gɛt mɔs pan di atɛnshɔn, bɔt di kɔnstrakshɔn we rili bit pan wan TFT prɔjek na di freym bafa. Wan 240 bay 320 RGB565 displei nid lɛk 150 kilobayt fɔ wan freym. If di ɔs maykrokɔntrola gɛt smɔl RAM pas dat, di dizayn kin ɔl tu drɔp to smɔl kɔlɔ dip, drayv di panɛl tru wan siriɔs intafɛs we nɔ nid lokal freym bafa, ɔ ad ɛksternal mɛmori ɛn kɔntrol we de manej di rifresh. Fɔ disayd dis afta dɛn dɔn layt di sakit nɔ kin fayn; fɔ disayd am di tɛm we dɛn de pik am na fon kɔl.

Refresh rate de intarakt wit am tu. Wan paralel ɔ RGB intafɛs de push freym dɛn kwik bɔt i de it bɔku MCU bandwid; SPI luk ikonomik te yu kɔl di transfa tɛm na di target freym rit ɛn fɛn se di prɔsesɔ nɔ gɛt tɛm lɛf fɔ ɛni ɔda tin. Wi saiz di intafeys agens di host kontrola in RAM ɛn klok, ɛn stet di achievable freym ret insay di prɔpɔzal pas fɔ lɛf am fɔ diskɔba di tɛm we dɛn de briŋ-ap.

We yu pik di Intafɛs, dat de disayd aw bɔku rum di MCU de lɛf

Bɔku tim dɛn kin pik di MCU fɔs ɛn di skrin sɛkɔn, ɛn we yu rivɛns di ɔda, i kin mek di opshɔn dɛn smɔl wantɛm wantɛm. RGB ɛn LVDS/MIPI intafɛs dɛn nid di ɔs fɔ kɛr wan displei kɔntrol we de mach; SPI na yunivasal bɔt freym-rɛt limited. Na afta dɛn dɔn fiks di MCU nɔmɔ i kin tan lɛk se di target rifresh rɛt nɔ kin ebul fɔ sɔpɔt, ɔ se pin kɔnt shɔt, ɛn di dizayn kin go bak.

Di sawnd ɔda na fɔ fiks di displei target dɛn frɔm di prɔdak rikwaymɛnt dɛn — freym rit, rizɔlt, kala dip, if dɛn nid fɔ tɔch — ɛn pul di intafɛs ɛn MCU frɔm dɛn wan dɛn de. Fɔ prɔdak dɛn we dɛn kɔntinyu na aykɔn ɛn tɛks, wan SPI ɔ MCU intafɛs pan wan mɔdyul wit wan besik kɔntrol na infεkt; kɔv, vidio prɛviu ɛn dinamik chɛt dɛn nid RGB ɔ ay-bandwid intafɛs.

Wi de evalyu intafeys ɛn freym rɛt togɛda wit di klaynt in displei kɔntinyu ɛn MCU pletfɔm, ɛn saplae dɛn we dɛn mɛzhɔ freym rɛt. Fɔ kɔnfɔm aw fast i kin rili rɔn bifo yu kɔmit to wan rizɔlt de avɔyd wan rawnd fɔ MCU riselekshɔn.

TFT LCM wit Kapasitiv Tɔch: Wetin Chenj na di Intafɛs

Ad wan kapasitiv tɔch layt to wan TFT LCM de chenj tri tin dɛn pas di panɛl. Di fɔs wan na di ilɛktrik intafɛs: di displei kin stil bi RGB, SPI ɔ MIPI, bɔt di tɔch kɔntrol kin kam bak pan I2C ɔ SPI as sɛkɔn divays, so di ɔs nid sɛkɔn bɔs ɛn sɛkɔn intarapt layn. Di sɛkɔn wan na di stak: wan kɔva glas, di tɔch sɛns, di displei ɛn wan optik bond, ɛn ɛni intafays bitwin dɛn na ples usay bɔbul ɔ wan misalaynmɛnt kin apia. Di tɔd wan na di famwɔya — di tɔch kɔntrol nid in yon kɔnfigyushɔn ɛn, fɔ yuz glɔv ɔ wet-finga, in yon tyuning.

Dis na di say bak we di difrɛns bitwin di saplay dɛn de sho. Wan TFT LCD modul saplay na Chaina we rili rili go sɛn di tɔch kɔntrol in I2C adrɛs, di kɔva glas drɔin, di bonding spɛsifikɛshɔn ɛn wan sampul we dɔn sev frɔm tɛmpracha saykl, we dɛn nɔ aks am tu tɛm. Wan we na jɔs tred go fɔwad di panɛl datashit ɛn kot wan prayz. Di tɛst nɔ dia: aks fɔ di tɔch kɔnfigyushɔn fayl ɛn si aw lɔng i tek fɔ rich.