Flat Panel Display (FPD) yave chinhu chikuru mumaTV emangwana. Ndiyo nzira yakajairika, asi hapana tsananguro yakasimba pasi rose. Kazhinji, rudzi urwu rwechiratidziro rwakatetepa uye runotaridzika sepaneru yakatsetseka. Kune mhando dzakawanda dzechiratidziro chepaneru yakatsetseka. , Zvichienderana nepfungwa yekuratidza uye yekushanda, kune liquid crystal display (LCD), plasma display (PDP), electroluminescence display (ELD), organic electroluminescence display (OLED), field emission display (FED), projection display, nezvimwewo. Midziyo yakawanda yeFPD inogadzirwa negranite. Nekuti granite machine base ine kunyatsojeka uye hunhu hwepanyama huri nani.
maitiro ebudiriro
Kana tichienzanisa neCRT yechinyakare (cathode ray tube), flat panel display ine zvakanakira zvekushandisa simba rakatetepa, rakaderera, mwaranzi shoma, hapana kupenya, uye inobatsira hutano hwevanhu. Yakapfuura CRT mukutengesa kwepasi rose. Pakazosvika 2010, zvinofungidzirwa kuti chiyero chemutengo wekutengesa wezviviri izvi chichasvika 5:1. Muzana remakore rechi21, flat panel displays dzichava zvigadzirwa zvikuru mudisplay. Sekureva kweStanford Resources yakakurumbira, musika wepasi rose we flat panel display uchawedzera kubva pamadhora mabhiriyoni makumi maviri nematatu ekuAmerica muna 2001 kusvika pamadhora mabhiriyoni makumi mashanu nemasere nemazana manomwe ekuAmerica muna 2006, uye avhareji yekukura kwegore negore ichasvika 20% mumakore mana anotevera.
Tekinoroji yekuratidza
Maflat panel displays akapatsanurwa muzvikamu zviviri: active light emitting displays ne passive light emitting displays. Yekutanga inoreva mudziyo we display unoburitswa ne display medium pachayo uye unopa mwaranzi inooneka, inosanganisira plasma display (PDP), vacuum fluorescent display (VFD), field emission display (FED), electroluminescence display (LED) uye organic light emitting diode display (OLED) )Wait. Yekupedzisira inoreva kuti haiburitse chiedza yoga, asi inoshandisa display medium kuti igadziriswe ne electrical signal, uye optical characteristics yayo inochinja, inochinja ambient light nechiedza chinoburitswa ne external power supply (backlight, projection light source), uye inozviita pachiratidziro che display kana pachiratidziro. Zvishandiso zve display, zvinosanganisira liquid crystal display (LCD), micro-electromechanical system display (DMD) uye electronic ink (EL) display, nezvimwewo.
LCD
Zviratidziro zvemakristaro emvura zvinosanganisira passive matrix liquid crystal displays (PM-LCD) uye active matrix liquid crystal displays (AM-LCD). Zvese STN neTN liquid crystal displays ndezve passive matrix liquid crystal displays. Muma1990, tekinoroji ye active-matrix liquid crystal display yakakurumidza kukura, kunyanya thin film transistor liquid crystal display (TFT-LCD). Sechigadzirwa chekutsiva STN, ine mabhenefiti ekumhanya nekukurumidza uye isina kupenya, uye inoshandiswa zvakanyanya mumakombiyuta anotakurika uye nzvimbo dzekushandira, maTV, macamcorder uye ma handheld video game consoles. Musiyano uripo pakati peAM-LCD nePM-LCD ndewekuti yekutanga ine zvishandiso zvekuchinja zvakawedzerwa kune yega pixel, izvo zvinogona kukunda kupindirana uye kuwana high contrast uye high resolution display. AM-LCD yazvino inoshandisa amorphous silicon (a-Si) TFT switching device uye storage capacitor scheme, iyo inogona kuwana grey level yakakwira uye kuita true color display. Nekudaro, kudiwa kwe high resolution uye small pixels dze high-density camera uye projection applications kwakatungamira kugadzirwa kweP-Si (polysilicon) TFT (thin film transistor) displays. Kufamba kweP-Si kwakakwira ka8 kusvika ka9 kupfuura kwea-Si. Saizi diki yeP-Si TFT haingokodzeri chete kuratidzwa kwehuwandu hwakawanda uye hwepamusoro, asiwo macircuit ekunze anogona kubatanidzwa pa substrate.
Zvose pamwe chete, LCD yakakodzera mascreen matete, akareruka, madiki uye ari pakati nepakati ane simba shoma, uye anoshandiswa zvakanyanya mumidziyo yemagetsi senge makombiyuta elaptop nemafoni. MaLCD e30-inch ne40-inch akagadzirwa zvinobudirira, uye mamwe akashandiswa. Mushure mekugadzirwa kukuru kweLCD, mutengo unoramba uchidzikira. Monitor ye15-inch LCD inowanikwa nemadhora mazana mashanu ($500). Nzira yayo yekuvandudza mune ramangwana ndeyekutsiva cathode display yePC uye kuishandisa muLCD TV.
Kuratidzwa kweplasma
Plasma display tekinoroji yekuratidza inoburitsa chiedza inoshandiswa nepfungwa yekuburitsa gasi (senge mhepo). Plasma displays dzine zvakanakira machubhu e cathode ray, asi dzakagadzirwa pazvivakwa zvitete kwazvo. Saizi yezvigadzirwa zvikuru i40-42 inches. Zvigadzirwa makumi mashanu zve 60 inch zviri kugadzirwa.
fluorescence ye vacuum
Chiratidziro chevacuum fluorescent chiratidziro chinoshandiswa zvakanyanya muzvigadzirwa zveaudio/video uye mumidziyo yemumba. Ichi chishandiso chevacuum type triode electron tube chinofukidza cathode, grid uye anode mu vacuum tube. Ndechekuti maerekitironi anoburitswa ne cathode anokurumidziswa ne positive voltage inoshandiswa pagrid uye anode, uye anosimudzira phosphor yakaputirwa pa anode kuti ibudise chiedza. Grid iyi inoshandisa chimiro chehuchi.
chiedza chemagetsi)
Zviratidziro zvemagetsi zvinogadzirwa uchishandisa tekinoroji ye solid-state thin-film. Chidziyo chinodzivirira chinoiswa pakati pemaplate maviri ekufambisa uye chidziyo chemagetsi chinoiswa. Mudziyo uyu unoshandisa mapurati akaputirwa ne zinc kana strontium ane broad emission spectrum sezvikamu zvemagetsi. Chidziyo chacho chine ukobvu hwe 100 microns uye chinogona kuwana mhedzisiro yakafanana ne organic light emitting diode (OLED) display. Voltage yayo yekutyaira yakajairika i10KHz, 200V AC voltage, iyo inoda driver IC inodhura zvakanyanya. Microdisplay ine resolution yepamusoro inoshandisa active array driving scheme yakagadzirwa zvinobudirira.
kutungamira
Madhizaini echiedza anoburitsa chiedza ane madhizaini akawanda anoburitsa chiedza, anogona kuva monochromatic kana multi-color. Madhizaini ebhuruu anoburitsa chiedza anoshanda zvakanyanya ave kuwanikwa, zvichiita kuti zvikwanisike kugadzira madhizaini e LED ane mavara akazara. Madhizaini e LED ane hunhu hwekupenya kwakanyanya, kushanda zvakanaka uye kurarama kwenguva refu, uye akakodzera madhizaini echiedza chikuru ekushandisa panze. Zvisinei, hapana madhizaini epakati pemamonita kana maPDA (makombiyuta anobatwa nemaoko) anogona kugadzirwa nehunyanzvi uhu. Zvisinei, dunhu rakabatanidzwa re LED monolithic rinogona kushandiswa sedhizaini rechokwadi re monochromatic.
MEMS
Iyi i microdisplay inogadzirwa uchishandisa tekinoroji yeMEMS. Muzviratidziro zvakadaro, maumbirwo ema microscopic mechanical anogadzirwa nekugadzira semiconductors nezvimwe zvinhu uchishandisa maitiro akajairwa e semiconductor. Muchishandiso che digital micromirror, chimiro chacho i micromirror inotsigirwa ne hinge. Hinges dzayo dzinofambiswa nechaji dziri pamaplates akabatana kune rimwe rema memory cell ari pazasi. Saizi ye micromirror yega yega inenge dhayamita yebvudzi remunhu. Chishandiso ichi chinonyanya kushandiswa mumaprojekita ekutengesa anotakurika uye maprojekita e home theatre.
kubuda kwemhepo mumunda
Nheyo huru yekuratidzwa kwesimba remagetsi emumunda yakafanana neyechubhu ye cathode ray, kureva kuti, maerekitironi anokwezvwa neplate uye anogadzirwa kuti aroverane ne phosphor yakaputirwa pa anode kuti ibudise chiedza. Cathode yayo inoumbwa nenhamba huru yemaerekitironi madiki akarongwa mu array, kureva kuti, muchimiro che array ye pixel imwe chete ne cathode imwe chete. Kungofanana ne plasma displays, field emission displays inoda voltages yakakwira kuti ishande, kubva pa 200V kusvika 6000V. Asi kusvika pari zvino, haisati yava mainstream flat panel display nekuda kwemutengo wakakwira wekugadzira michina yayo yekugadzira.
chiedza cheorganic
Muchiratidziro che organic light-emitting diode (OLED), magetsi anopfuudzwa nepakati pepurasitiki imwe chete kana kupfuura kuti agadzire chiedza chakafanana ne inorganic light-emitting diodes. Izvi zvinoreva kuti chinodiwa pamudziyo weOLED ifirimu rakaita se solid-state riri pa substrate. Zvisinei, zvinhu zve organic zvinonzwa zvakanyanya nehutsi hwemvura neokisijeni, saka kuvhara kwakakosha. MaOLED zvishandiso zvinoshanda zvinoburitsa chiedza uye zvinoratidza hunhu hwakanaka hwechiedza uye hunhu hushoma hwekushandisa simba. Ane mukana mukuru wekugadzirwa kwakawanda mu roll-by-roll process pa substrates dzinochinjika uye nekudaro hadzidhuri zvakanyanya kugadzira. Tekinoroji iyi ine mashandisirwo akasiyana-siyana, kubva pamwenje we monochromatic large-area kusvika kuratidzwa kwemavhidhiyo ane mavara akazara.
Inki yemagetsi
Zviratidziro zve inki yemagetsi zviratidziro zvinodzorwa nekuisa munda wemagetsi pachinhu chinobatika. Zvine huwandu hwakawanda hwemabhora madiki akajeka, rimwe nerimwe rine dhayamita inosvika 100 microns, rine chinhu chitema chakapendwa nemvura uye zviuru zvezvidimbu zve titanium dioxide chena. Kana munda wemagetsi ukaiswa pachinhu chinobatika, zvikamu zve titanium dioxide zvinofamba zvichienda kune rimwe rema electrodes zvichienderana nemamiriro azvo ekuchaja. Izvi zvinoita kuti pixel ibudise chiedza kana kuti kwete. Nekuti chinhu chinobatika, chinochengetedza ruzivo kwemwedzi yakati wandei. Sezvo mamiriro aro ekushanda achidzorwa nemunda wemagetsi, huwandu hwaro hwekuratidzira hunogona kuchinjwa nesimba shoma.
chinoona mwenje wemurazvo
Chinoongorora Moto (Flame Photometric Detector, FPD muchidimbu)
1. Nheyo yeFPD
Nheyo yeFPD yakavakirwa pakupiswa kwemuenzaniso mumurazvo une hydrogen yakawanda, kuitira kuti makemikari ane sarufa nephosphorus aderedzwe nehydrogen mushure mekupiswa, uye mamiriro ekufara eS2* (mamiriro ekufara eS2) neHPO* (mamiriro ekufara eHPO) anogadzirwa. Zvinhu zviviri izvi zvinofara zvinoburitsa maspectra anenge 400nm ne550nm kana zvadzokera kumamiriro epasi. Simba respectrum iyi rinoyerwa nechubhu ye photomultiplier, uye simba rechiedza rinoenderana nehukuru hwekuyerera kwemuenzaniso. FPD inyanzvi yekuongorora uye inosarudza, iyo inoshandiswa zvakanyanya mukuongorora makemikari e sarufa nephosphorus.
2. Maumbirwo eFPD
FPD chimiro chinosanganisa FID nephotometer. Yakatanga seFPD ine flame rimwe chete. Mushure megore ra1978, kuitira kugadzirisa zvikanganiso zveFPD ine flame rimwe chete, FPD ine flame mbiri yakagadzirwa. Ine flame mbiri dzakasiyana dzemhepo-hydrogen, murazvo wepasi unoshandura mamorekuru emuenzaniso kuita zvigadzirwa zvekupisa zvine mamorekuru akareruka akadai seS2 neHPO; murazvo wepamusoro unoburitsa zvidimbu zve luminescent excited state zvakaita seS2* neHPO*, kune hwindo rakanangana nemurazvo wepamusoro, uye simba re chemiluminescence rinoonekwa nechubhu ye photomultiplier. Hwindo rakagadzirwa negirazi rakaoma, uye nozzle yemurazvo yakagadzirwa nesimbi isina tsvina.
3. Kushanda kweFPD
FPD inzira yekusarudza kuti zvinhu zvakaita sei nesarufa nephosphorus. Murazvo wayo une murazvo wakapfuma nehydrogen, uye mweya unongokwana chete kuti ushande ne70% yehydrogen, saka tembiricha yemurazvo yakaderera kuti ibudise sarufa nephosphorus. Zvidimbu zvemusanganiswa. Mwero wekuyerera kwegasi rinotakura, hydrogen nemhepo une simba guru paFPD, saka kudzora kuyerera kwegasi kunofanira kunge kwakadzikama. Tembiricha yemurazvo yekuona zvinhu zvine sarufa inofanira kunge iri pa390 °C, iyo inogona kugadzira S2* inomutsa; kuti ione kuti zvinhu zvine phosphorus zvine musanganiswa, chiyero chehydrogen neokisijeni chinofanira kunge chiri pakati pe2 ne5, uye chiyero chehydrogen-to-oxygen chinofanira kuchinjwa zvichienderana nemasampuli akasiyana. Gasi rinotakura negasi rekugadzira zvinofanirawo kugadziriswa zvakanaka kuti zviwane chiyero chakanaka chesignal-to-noise.
Nguva yekutumira: Ndira-18-2022