Sechishandiso chitsva chekuisa, iyo yekubata skrini ndiyo iri nyore, yakaringana uye yakasikwa nzira yekudyidzana kwevanhu-kombuta.
Iyo touch screen, inozivikanwawo se "touch screen" kana "touch panel", ndeye inductive liquid crystal kuratidza mudziyo unogona kugamuchira masaini masaini sevanobatika;kana mabhatani emifananidzo ari pachiratidziro akabatwa, iyo tactile mhinduro system pachiratidziro inogona Midziyo yakasiyana-siyana yekubatanidza inofambiswa zvinoenderana neyakagadzirirwa zvirongwa, izvo zvinogona kushandiswa kutsiva mechaniki mabhatani mapaneru uye kugadzira yakajeka odhiyo uye vhidhiyo mhedzisiro kuburikidza neLCD skrini.Nzvimbo huru dzekushandisa dzeRuixiang's touch screens midziyo yekurapa, minda yemaindasitiri, inobatwa nemaoko, Smart imba, kupindirana kwevanhu-kombuta, nezvimwe.
Common touch screen classifications
Kune akatiwandei makuru emhando dze touch screens pamusika nhasi: resistive touch screens, surface capacitive touch screens uye inductive capacitive touch screens, surface acoustic wave, infrared, uye bending wave, active digitizer uye optical imaging touch screens.Panogona kuve nemhando mbiri dzadzo, imwe mhando inoda ITO, senge mhando nhatu dzekutanga dzekubata skrini, uye imwe mhando haidi ITO muchimiro, senge ekupedzisira mhando dzemasikirini.Parizvino pamusika, resistive touch screens uye capacitive touch screens uchishandisa ITO zvinhu ndizvo zvakanyanya kushandiswa.Izvi zvinotevera zvinounza ruzivo rwakabatana nekubata zvikirini, zvinotarisa kune resistive uye capacitive skrini.
Bata skrini chimiro
Yakajairika touch screen chimiro kazhinji ine zvikamu zvitatu: maviri akajeka resistive conductor layer, yekuzviparadzanisa layer pakati pemakondakita maviri, uye electrode.
Resistive conductor layer: Iyo yekumusoro substrate yakagadzirwa nepurasitiki, iyo yepasi substrate yakagadzirwa negirazi, uye conductive indium tin oxide (ITO) yakaputirwa pane substrate.Izvi zvinogadzira maviri akaturikidzana eITO, akapatsanurwa nemamwe mapivots ega ega angangoita churu chema inch gobvu.
Electrode: Yakagadzirwa nezvinhu zvine conductivity yakanakisa (senge sirivheri inki), uye conductivity yayo inenge 1000 nguva yeITO.(Capacitive touch panel)
Isolation layer: Inoshandisa yakaonda kwazvo elastic polyester firimu PET.Kana iyo nzvimbo yabatwa, inokotama pasi uye inobvumira maviri akaturikidzana eITO coating pazasi kuti abatane kubatanidza dunhu.Ichi ndicho chikonzero chekubata chidzitiro chinogona kuwana kubata Iyo kiyi.pamusoro capacitive touch screen.
Resistive touch screen
Zvichitaurwa zviri nyore, resistive touch screen inzwa inoshandisa musimboti wekumanikidza kunzwa kuti uwane kubata.resistive skrini
Resistive touch screen musimboti:
Kana chigunwe chemunhu chadzvanya pamusoro pechidzitiro chinodzivirira, elastic PET firimu inokotama ichidzika, ichibvumira epamusoro nechepazasi maITO coatings kuti abatane kuti agadzire pombi.ADC inoshandiswa kuona voltage yepoindi kuverenga X uye Y axis coordinate values.resistive touchscreen
Resistive touch screens anowanzo shandisa ina, shanu, nomwe kana sere waya kugadzira screen bias voltage uye kuverenga nekudzosera poindi yekubika.Pano tinonyanya kutora mitsetse mina semuenzaniso.Nheyo yacho ndeiyi:
1. Wedzera Vref yenguva dzose kune X + uye X- electrodes, uye batanidza Y + kune yakakwirira-impedance ADC.
2. Munda wemagetsi pakati pema electrode maviri anogoverwa zvakafanana munzira kubva ku X + kusvika ku X-.
3. Kana ruoko ruchibata, zvidimbu zviviri zvinofambisa zvinosangana panzvimbo yekubata, uye kukwanisa kwe X layer panzvimbo yekubata inotungamirirwa kuADC yakabatana neY layer kuti iwane voltage Vx.resistive skrini
4. Kuburikidza neLx / L = Vx / Vref, zvibvumirano zve x point zvinogona kuwanikwa.
5. Nenzira imwecheteyo, batanidza Y + uye Y- kune voltage Vref, kurongeka kweY-axis kunogona kuwanikwa, uye wozobatanidza X + electrode kune yakakwirira-impedance ADC kuwana.Panguva imwecheteyo, iyo ina-waya resistive touch screen haingogone chete kuwana iyo X / Y marongero ekusangana, asi zvakare kuyera kudzvanywa kwekubata.
Izvi zvinodaro nekuti iyo yakakura kudzvanywa, kuzara kwekubatana, uye kushoma kushoma.Nekuyera kushorwa, kumanikidzwa kunogona kuverengerwa.Iko kukosha kwevoltage inoenzanirana nehukoshi hwekubatanidza, saka inoda kuverengerwa nekuverenga kana paine kutsauka mumutengo wevoltage we (0, 0) coordination point.resistive skrini
Resistive touch screen zvakanakira uye zvakaipa:
1. The resistive touch screen inogona kungotonga imwe yekubata bata pese painoshanda.Kana paine anopfuura maviri ekubata mapoinzi, haigone kutongwa nemazvo.
2. Resistive screens inoda mafirimu ekudzivirira uye magadzirirwo akawandisa, asi resistive touch screens haabatwe neguruva, mvura, netsvina.resistive touch screen panel
3. Iyo ITO yekupfekedza ye resistive touch screen inenge yakaonda uye iri nyore kuputsika.Kana yakanyanya kukora, inoderedza kufambiswa kwechiedza uye kuita kuti kuratidzira kwemukati kuderedze kujeka.Kunyange zvazvo ganda rakatetepa rekudzivirira repurasitiki rinowedzerwa kuITO, richiri nyore kurodzwa.Inokanganiswa nezvinhu;uye nekuti inowanzobatwa, kutsemuka kudiki kana kunyange deformation kuchaonekwa pamusoro peITO mushure meimwe nguva yekushandiswa.Kana imwe yekunze yeITO mitsara yakakuvadzwa uye ikaputsika, inorasikirwa nebasa rayo semutyairi uye hupenyu hweiyo touch screen haizorebe..resistive touch screen panel
capacitive touch screens, capacitive touch screens
Kusiyana neresistive touch screens, capacitive touch haivimbi nemunwe kudzvanywa kugadzira uye kushandura voltage values kuti ione macoordinates.Inonyanya kushandisa kupinza kwemuviri wemunhu kushanda.capacitive touch screens
Capacitive touch screen musimboti:
Capacitive skrini inoshanda kuburikidza nechero chinhu chinobata magetsi, kusanganisira ganda remunhu.(Iyo inotakurwa nemuviri wemunhu) Capacitive touch screens inogadzirwa nezvinhu zvakaita sealloys kana indium tin oxide (ITO), uye ma charges anochengetwa mumamicro-electrostatic network ayo akatetepa kupfuura bvudzi.Kana chigunwe chikadzvanya pachiratidziri, diki diki yezvino inotorwa kubva panzvimbo yekusangana, ichikonzera kudonha kwevoltage mukona electrode, uye chinangwa chekubata bata chinowanikwa nekunzwa kusimba kwemuviri wemunhu.Ndosaka touch screen inotadza kudaira kana tapfeka magirovhosi toibata.projected capacitive touch screen
Capacitive screen sensing type classification
Zvinoenderana nerudzi rweinduction, inogona kukamurwa kuita yepamusoro capacitance uye inofungidzirwa capacitance.Projected capacitive screens inogona kukamurwa kuita mhando mbiri: self-capacitive skrini uye mutual capacitive skrini.Iyo yakajairika mutual capacitive skrini muenzaniso, iyo inoumbwa nekutyaira maelectrodes uye kugamuchira maelectrodes.pamusoro capacitive touch screen
Surface capacitive touch screen:
Surface capacitive ine yakajairwa ITO layer uye simbi furemu, ichishandisa masensa ari pamakona mana uye firimu rakatetepa rakagovaniswa pamusoro pepamusoro.Kana chigunwe chadzvanya pascreen, chigunwe chemunhu ne touch screen zvinoita semaconductor maviri anochaji, achiswederana kugadzira coupling capacitor.Pamusoro pe-high-frequency current, iyo capacitor ndiyo yakananga conductor, saka chigunwe chinokwevera zvishoma zvishoma ikozvino kubva panzvimbo yekubatana.Ikozvino inoyerera ichibva kune ma electrode pamakona mana eiyo touch screen.Kusimba kweiyo ikozvino kunoenderana nekureba kubva kumunwe kusvika kune electrode.Iyo yekubata controller inoverengera chinzvimbo chekubata bata.projected capacitive touch screen
Projected capacitive touch screen:
Imwe kana yakawanda yakanyatsogadzirwa yakatemerwa ITO inoshandiswa.Aya maITO layers akaiswa kuti aumbe akawanda akachinjika uye akatwasuka maelectrode, uye akazvimirira machipi ane masensor mabasa anodzika mumitsara/makoramu kuti agadzire axis-inoronga sensing unit matrix yeinofungidzira capacitance.: Matenhu eX neY anoshandiswa semitsara yakaparadzana nemakoramu emayuniti ekunzwa anoenderana kuona kugona kwegidhi yega yega inonzwa unit.pamusoro capacitive touch screen
Basic parameters ye capacitive skrini
Nhamba yezviteshi: Huwandu hwemitsara yechiteshi yakabatana kubva kuchip kuenda kune yekubata skrini.Iyo yakawanda migero iripo, iyo yakakwira mutengo uye yakanyanya kuoma iyo wiring.Traditional self-capacity: M + N (kana M * 2, N * 2);kukwanisa kuwirirana: M+N;incell mutual capacity: M*N.capacitive touch screens
Nhamba yemanodhi: Nhamba ye data inoshanda inogona kuwanikwa nesampling.Iyo yakawanda node iripo, iyo data yakawanda inogona kuwanikwa, iyo yakarongwa yakaverengerwa yakanyatsojeka, uye iyo yekuonana nzvimbo inogona kutsigirwa idiki.Kuzvimiririra: yakafanana nenhamba yematanho, kugona kuwirirana: M * N.
Channel spacing: chinhambwe pakati pepedyo chiteshi nzvimbo.Kuwanda kwemanodhi kunenge kuripo, kudiki kweicho inowirirana inova.
Kureba kwekodhi: chete kushivirira kunoda kuwedzera chiratidzo chesampling kuitira kuchengetedza nguva yesampling.Iyo mutual capacitance scheme inogona kunge iine masaini pamitsetse yakawanda yekutyaira panguva imwe chete.Mangani machiteshi ane masaini zvinoenderana nehurefu hwekodhi (kazhinji 4 macode ndiwo mazhinji).Nekuti decoding inodiwa, kana iyo kodhi kureba yakakurisa, ichava nekumwe kukanganisa pakukurumidza kutsvedza.capacitive touch screens
Projected capacitive screen musimboti capacitive touch screens
(1) Capacitive touch screen: Ese ari maviri akatwasuka uye akatwasuka maelectrode anofambiswa nekamwe-kupera kwekunzwa nzira.
Iyo girazi pamusoro peiyo yega-yakagadzirwa capacitive touch screen inoshandisa ITO kugadzira yakachinjika uye yakatwasuka maelectrode arrays.Aya maelectrode akachinjika uye akatwasuka anoumba capacitor nepasi zvichiteerana.Iyi capacitance inowanzonzi self-capacitance.Kana chigunwe chichibata capacitive skrini, iyo capacitance yemunwe ichave yakasimudzwa pane capacitance yechidzitiro.Panguva ino, iyo self-capacitive skrini inoona yakachinjika uye yakatwasuka maelectrode arrays uye inosarudza yakachinjika uye yakatwasuka macoordinates zvichiteerana zvichienderana nekuchinja kwecapacitance pamberi uye mushure mekubata, uye ipapo Bata coordinates akasanganiswa kuita ndege.
Iyo parasitic capacitance inowedzera kana chigunwe chabata: Cp'=Cp + Cfinger, uko Cp- ndiyo simba reparasitic.
Nekuona shanduko yeparasitic capacitance, nzvimbo yakabatwa nemunwe inotarwa.capacitive touch screens
Tora iyo kaviri-layer self-capacitance chimiro semuenzaniso: maviri akaturikidzana eITO, horizontal uye vertical maelectrodes akaiswa pasi zvakateerana kuti aumbe self-capacitance, uye M+N control channels.ips LCD capacitive touch screen
Kune self-capacitive skrini, kana iri yekubata kamwe chete, iyo fungidziro muX-axis uye Y-axis madhairekitori akasiyana, uye akasanganiswa makongiresi zvakare akasiyana.Kana mapoinzi maviri akabatwa pachiratidziro chekubata uye mapoinzi maviri ari mune akasiyana XY axis madhairekitori, mana anoronga achaonekwa.Asi zviripachena, maviri chete makongisheni ndeechokwadi, uye mamwe maviri anowanzozivikanwa se "ghost points".ips LCD capacitive touch screen
Naizvozvo, hunhu hwemusimboti weiyo self-capacitive skrini inoona kuti inogona kungobatwa nechinhu chimwe chete uye haigone kuwana yechokwadi yakawanda-kubata.ips LCD capacitive touch screen
Mutual capacitive touch screen: Iyo yekupedzisira yekutumira uye yekugamuchira yekupedzisira yakasiyana uye inoyambuka yakatwasuka.capacitive multi touch
Shandisa ITO kugadzira maelectrode anochinjika uye longitudinal electrodes.Musiyano kubva ku-self-capacitance ndeyokuti capacitance ichaumbwa apo mapoka maviri emagetsi emagetsi anopindirana, kureva kuti, seti mbiri dze electrode dzakatevedzana dzinoumba matanda maviri e capacitance.Kana chigunwe chabata capacitive skrini, inokanganisa kubatana pakati pema electrode maviri akabatanidzwa pakubata bata, nekudaro kuchinja capacitance pakati pema electrode maviri.capacitive multi touch
Paunenge uchiona mutual capacitance, maelectrode akachinjika anotumira masaini emanyawi munhevedzano, uye ese maelectrode akamira anogamuchira masaini panguva imwe chete.Nenzira iyi, iyo capacitance values pamharadzano mapoinzi ese akatwasuka uye akatwasuka maelectrode anogona kuwanikwa, ndiko kuti, saizi yecapacitance yeiyo yese-maviri-dimensional ndege ye touch screen, kuitira kuti igone kuitika.multi touch.
Iko coupling capacitance inoderera kana munwe waibata.
Nekuona shanduko yekubatanidza capacitance, nzvimbo yakabatwa nemunwe inotemwa.CM - coupling capacitor.capacitive multi touch
Tora iyo kaviri-layer self-capacitance chimiro semuenzaniso: maviri akaturikidzana eITO anopindirana kuti aumbe M * N capacitors uye M + N control chiteshi.capacitive multi touch
Multi-touch tekinoroji yakavakirwa pamativi anowirirana ekubata skrini uye yakakamurwa kuita Multi-TouchGesture uye Multi-Touch All-Point tekinoroji, inova yakawanda-yekubata kucherechedzwa kweiyo gesture gwara uye chigunwe chekubata chinzvimbo.Inoshandiswa zvakanyanya mufoni mbozha gesture kuzivikanwa uye gumi-minwe kubata.Kumirira chiitiko.Kwete chete masaini uye kucherechedzwa kweminwe yakawanda kunozivikanwa, asi mamwe mafomu asiri emunwe ekubata anotenderwa zvakare, pamwe nekuzivikanwa uchishandisa zvanza, kana kunyange maoko akapfeka magirovhosi.Iyo Multi-Touch All-Point scanning nzira inoda yakaparadzana scanning uye kutariswa kwenzvimbo dzemharadzano dzemutsara wega wega uye koramu yekubata skrini.Huwandu hwema scans ndicho chigadzirwa chenhamba yemitsara uye nhamba yemakoroni.Semuenzaniso, kana touch screen ine M mitsara uye N makoramu, inoda kuongororwa.Mapoinzi ekuyambuka iM * N nguva, kuitira kuti shanduko mune yega yega capacitance ionekwe.Kana paine chigunwe chekubata, iyo mutual capacitance inodzikira kuona nzvimbo yeimwe neimwe yekubata.capacitive multi touch
Capacitive touch screen chimiro mhando
Iyo yakakosha chimiro chechidzitiro chakakamurwa kuita matatu mitsara kubva kumusoro kusvika pasi, inodzivirira girazi, yekubata layer, uye kuratidza pani.Munguva yekugadzira nharembozha masikirini, girazi rekudzivirira, yekubata sikirini, uye yekuratidzira skrini inoda kusungwa kaviri.
Sezvo girazi rekudzivirira, chekubata chidzitiro, uye chidzitiro chekuratidzira chichipfuura nekuita laminating nguva dzese, chiyero chegoho chichadzikiswa zvakanyanya.Kana huwandu hwemalamination hunogona kuderedzwa, chiyero chegoho chekuzadza kwakazara pasina mubvunzo chichavandudzwa.Parizvino, ivo vane simba vagadziri vepaneru vanogadzira vanowanzo kusimudzira On-Cell kana In-Cell mhinduro, ndiko kuti, ivo vanowanzogadzira iyo yekubata bata pachiratidziro chiratidziro;nepo vagadziri vemodule yekubata kana kumusoro vanogadzira zvinhu vanowanzofarira OGS, zvinoreva kuti iyo yekubata inogadzirwa Yakagadzirwa pagirazi rinodzivirira.capacitive multi touch
Mu-Sero: inoreva nzira yekumisikidza yekubata mapaneru mabasa mukati memvura yekristaro pixels, ndiko kuti, kunyudza kubata sensor mabasa mukati meiyo skrini yekuratidzira, iyo inogona kuita kuti chidzitiro chitete uye kureruke.Panguva imwecheteyo, iyo In-Cell skrini inofanirwa kuve yakamisikidzwa neinofananidzira kubata IC, zvikasadaro zvinozotungamira kune zvisirizvo zvibodzwa zvekunzwa kana ruzha rwakanyanya.Naizvozvo, maIn-Cell skrini anongozvimiririra.capacitive multi touch
Pa-Sero: inoreva nzira yekumisikidza iyo yekubata skrini pakati peiyo color filter substrate uye polarizer yechiratidziro chidzitiro, kureva, ine touch touch pane LCD pani, iyo isinganyanyi kuoma kupfuura In Cell tekinoroji.Naizvozvo, iyo inonyanya kushandiswa yekubata sikirini pamusika ndeye Oncell skrini.ips capacitive touch screen
OGS (One Glass Solution): OGS tekinoroji inobatanidza chidzitiro chekubata uye girazi rinodzivirira, rinopfekedza mukati megirazi rinodzivirira neITO conductive layer, uye inoita coating uye photolithography zvakananga pagirazi rinodzivirira.Sezvo girazi rekudzivirira reOGS uye touch screen zvakabatanidzwa pamwe chete, zvinowanzoda kusimbiswa kutanga, zvino zvakaputirwa, etched, uye pakupedzisira kutemwa.Kucheka pagirazi rinopisa nenzira iyi kunonetsa zvikuru, kune mari yakakwira, goho rakaderera, uye kunoita kuti mamwe mapeji ebvudzi aite pamicheto yegirazi, izvo zvinoderedza simba regirazi.ips capacitive touch screen
Kuenzanisa kwezvakanakira uye kuipa kwecapacitive touch screens:
1. Panyaya yekujeka kwekrini uye maitiro ekuona, OGS ndiyo yakanakisisa, inoteverwa neIn-Cell uye On-Cell.ips capacitive touch screen
2. Hutete uye kureruka.Kazhinji kutaura, In-Cell ndiyo yakareruka uye yakatetepa, inoteverwa neOGS.On-Cell yakashata zvishoma pane maviri ekutanga.
3. Mukutaura kwesimba rekrini (impact resistance and drop resistance), On-Cell ndiyo yakanakisisa, OGS yechipiri, uye In-Cell ndiyo yakaipisisa.Izvo zvinofanirwa kutaurwa kuti OGS inobatanidza zvakananga Corning inodzivirira girazi neiyo yekubata bata.Maitiro ekugadzirisa anoderedza simba regirazi uye skrini zvakare haina kusimba.
4. Panyaya yekubata, kubata kwekunzwa kweOGS kuri nani kupfuura kweOn-Cell / In-Cell skrini.Panyaya yerutsigiro rwe-multi-touch, zvigunwe, uye Stylus stylus, OGS iri nani pane In-Cell/On-Cell.Cell's.Uye zvakare, nekuti iyo In-Cell skrini inobatanidza zvakananga iyo yekubata bata uye yemvura crystal layer, ruzha rwekunzwa rwakakura, uye yakakosha yekubata chip inodiwa kusefa uye kugadzirisa kugadzirisa.OGS skrini haina kutsamira pakubata machipisi.
5. Zvido zveunyanzvi, In-Cell / On-Cell zvakanyanya kuoma kupfuura OGS, uye kutonga kwekugadzira kunowedzerawo kuoma.ips capacitive touch screen
Bata skrini mamiriro equo uye maitiro ekuvandudza
Nekuenderera mberi kwekuvandudza tekinoroji, ma touch screens akashanduka kubva kune resistive skrini munguva yakapfuura kuenda kune capacitive skrini izvo zvave kushandiswa zvakanyanya.Mazuva ano, Incell uye Incell touch screens yagara ichigara mumusika mukuru uye inoshandiswa zvakanyanya munzvimbo dzakasiyana siyana senharembozha, mahwendefa, uye mota.Izvo zvinogumira zvechinyakare capacitive screens zvakagadzirwa neITO firimu zviri kuramba zvichinyatsojeka, senge kukwirira kwepamusoro, kutsemuka kuri nyore, kunetsa kutakura, etc. Kunyanya mune curved kana curved kana flexible zviratidziro, conductivity uye chiedza transmittance of capacitive screens Yakashata. .Kuti zvizadzise zvinodiwa nemusika zvemahombe-saizi ekubata zvidzitiro uye zvinodiwa nevashandisi zvemabatiro akareruka, akatetepa uye ari nani kubata, akakomberedzwa uye anopengeka flexible touch screens akabuda uye zvishoma nezvishoma anoshandiswa munharembozha, mota touch screens, misika yedzidzo, musangano wevhidhiyo, nezvimwe.Curved surface kupeta flexible touch yava kuita ramangwana rebudiriro.ips capacitive touch screen
Nguva yekutumira: Sep-13-2023