Flat Panel Display (FPD) yave iyo huru yemangwana maTV.Ndiwo maitiro akajairika, asi hapana tsananguro yakasimba munyika.Kazhinji, rudzi urwu rwekuratidzira rwakatetepa uye rwunotaridzika senge flat panel.Kune akawanda marudzi e flat panel displays.Zvinoenderana neratidziro yepakati uye misimboti yekushanda, kune liquid crystal display (LCD), plasma display (PDP), electroluminescence display (ELD), organic electroluminescence display (OLED), field emission display (FED), projection display, etc. Mazhinji FPD Equipment anogadzirwa negranite.Nekuti granite muchina base ine zvirinani kurongeka uye zvemuviri zvimiro.
development trend
Kuenzaniswa neyechinyakare CRT (cathode ray chubhu), iyo flat panel inoratidzira ine zvakanakira kutetepa, kujeka, kushoma simba rekushandisa, kuderera kwemwaranzi, hakuna kupenya, uye kunobatsira kuhutano hwevanhu.Yakapfuura CRT mukutengesa kwenyika.Pakazosvika 2010, inofungidzirwa kuti chiyero chekutengesa kukosha kwezviviri zvichasvika pa5: 1.Muzana ramakore rechi21, zviratidziro zvepafurati zvinozova zvigadzirwa zvemazuva ese muchiratidziro.Zvinoenderana nekufanotaura kweakakurumbira Stanford Resources, musika wepasi rose wepasirese wekuratidzira uchawedzera kubva pamabhiriyoni makumi maviri nematatu emadhora ekuAmerica muna 2001 kusvika pamadhora mazana mashanu nemakumi mashanu nenomwe emadhora muna 2006, uye avhareji yekukura kwegore ichasvika makumi maviri muzana mumakore mana anotevera.
Ratidza tekinoroji
Flat panel displays inoiswa muchikamu chekushanda mwenje emitting displays uye passive light emitting displays.Iyo yekutanga inoreva chishandiso chekuratidzira icho chiratidziro chepakati pachacho chinoburitsa mwenje uye chinopa radiation inooneka, iyo inosanganisira plasma kuratidza (PDP), vacuum fluorescent kuratidza (VFD), munda emission kuratidza (FED), electroluminescence kuratidza (LED) uye organic mwenje emitting. diode kuratidza (OLED) )Mirira.Iyo yekupedzisira inoreva kuti haibudise mwenje pachayo, asi inoshandisa svikiro yekuratidzira kuti igadziriswe nechiratidzo chemagetsi, uye maitiro ayo ekuona anochinja, gadzirisa ambient mwenje uye mwenje unoburitswa nekunze kwesimba rekupa (backlight, projection light source. ), uye zviite pachiratidziro kana skrini.Ratidza zvishandiso, zvinosanganisira liquid crystal display (LCD), micro-electromechanical system display (DMD) uye electronic inki (EL) kuratidza, nezvimwewo.
LCD
Liquid crystal displays inosanganisira passive matrix liquid crystal displays (PM-LCD) uye inoshanda matrix liquid crystal displays (AM-LCD).Ose ari maviri STN uye TN liquid crystal anoratidza ndeaya passive matrix liquid crystal displays.Mumakore ekuma1990, tekinoroji inoshanda-matrix liquid crystal show yakagadziridzwa nekukurumidza, kunyanya firimu rakatetepa transistor liquid crystal display (TFT-LCD).Sechigadzirwa chekutsiva cheSTN, ine zvakanakira kukurumidza kupindura nekukurumidza uye haina kubhururuka, uye inoshandiswa zvakanyanya mumakomputa anotakurika nenzvimbo dzekushanda, maTV, camcorder uye handheld video game consoles.Musiyano uripo pakati pe AM-LCD nePM-LCD ndewekuti yekutanga ine switching madivayiri akawedzerwa kune yega pixel, iyo inogona kukunda kupindira-kukanganisa uye kuwana yakakwirira musiyano uye yakakwirira resolution kuratidza.Iyo yazvino AM-LCD inotora amorphous silicon (a-Si) TFT switching mudziyo uye yekuchengetedza capacitor scheme, inogona kuwana yakakwira grey level uye kuona yechokwadi ruvara kuratidza.Zvisinei, kudiwa kwepamusoro-soro uye mapikisiki maduku e-high-density kamera uye mapurojekiti mashandisirwo akaita kuti kugadzirwa kweP-Si (polysilicon) TFT (yakaonda film transistor) inoratidza.Kufamba kweP-Si ndeye 8 kusvika ku9 nguva yakakwirira kupfuura iyo ye-Si.Iyo diki diki yeP-Si TFT haina kungofanirwa nepamusoro-density uye yakakwirira-resolution kuratidza, asiwo peripheral circuits inogona kubatanidzwa pane substrate.
Zvese mune zvese, LCD inokodzera zviratidziro zvitete, zvidiki, zvidiki uye zvepakati zvine simba shoma, uye inoshandiswa zvakanyanya mumidziyo yemagetsi yakadai semakomputa emabhuku uye nharembozha.30-inch uye 40-inch maLCD akagadzirwa zvinobudirira, uye mamwe akaiswa mukushandiswa.Mushure mekugadzirwa kukuru kweLCD, mutengo unoramba uchideredzwa.Iyo 15-inch LCD monitor inowanikwa ne500 $.Iyo yeramangwana danho rekusimudzira ndeyekutsiva iyo cathode kuratidzwa kwePC uye kuishandisa muLCD TV.
Plasma kuratidza
Plasma kuratidza tekinoroji inoburitsa chiedza-inoburitsa inotaridzwa nemusimboti wegasi (semhepo) kubuda.Zviratidziro zvePlasma zvine zvakanakira cathode ray chubhu, asi zvinogadzirwa pazvimiro zvakatetepa.Iyo yakakura chigadzirwa saizi ndeye 40-42 inches.50 60 inch zvigadzirwa zviri mukuvandudzwa.
vacuum fluorescence
A vacuum fluorescent kuratidza chiratidziro chinoshandiswa zvakanyanya muodhiyo / vhidhiyo zvigadzirwa uye midziyo yemumba.Iyo triode erekitironi chubhu rudzi vacuum kuratidza mudziyo unofukidza iyo cathode, grid uye anode muvacuum chubhu.Ndezvokuti maerekitironi anobudiswa necathode anokwidziridzwa nemhepo yakanaka inoshandiswa kune grid uye anode, uye anokurudzira phosphor yakavharwa pane anode kuti ibudise chiedza.Grid inotora chimiro chehuchi.
electroluminescence)
Electroluminescent displays inogadzirwa uchishandisa solid-state thin-film technology.Insulating layer inoiswa pakati pe2 conductive plates uye yakaonda electroluminescent layer inoiswa.Chishandiso chinoshandisa zinc-yakavharwa kana strontium-yakavharwa mahwendefa ane yakakura emission spectrum se electroluminescent components.Electroluminescent layer yayo ine 100 microns gobvu uye inogona kuwana yakafanana yakajeka ratidziro senge organic light emitting diode (OLED) kuratidza.Yayo yakajairika drive voltage i10KHz, 200V AC voltage, izvo zvinoda anodhura mutyairi IC.Iyo yepamusoro-resolution microdisplay inoshandisa inoshanda array drive scheme yakabudirira kugadzirwa.
led
Chiedza-emitting diode zviratidzo zvinosanganisira nhamba huru yechiedza-emitting diode, iyo inogona kuva monochromatic kana yakawanda-mavara.High-inoshanda bhuruu mwenje-emitting diode yave kuwanikwa, zvichiita kuti ikwanise kuburitsa yakazara-ruvara hombe-screen LED kuratidza.Zviratidziro zve LED zvine maitiro ekupenya kwepamusoro, kushanda kwepamusoro uye hupenyu hurefu, uye akakodzera kune hombe-screen kuratidza kushandiswa kwekunze.Nekudaro, hapana yepakati-renji inoratidzwa yevatariri kana PDAs (handheld makomputa) inogona kuitwa neiyi tekinoroji.Nekudaro, iyo LED monolithic yakabatanidzwa yedunhu inogona kushandiswa se monochromatic virtual kuratidza.
MEMS
Iyi microdisplay inogadzirwa uchishandisa MEMS tekinoroji.Muzviratidziro zvakadaro, zvimiro zvemichirokopu zvinogadzirwa nekugadzirisa semiconductors uye zvimwe zvinhu uchishandisa yakajairwa semiconductor maitiro.Mune dhijitari micromirror mudziyo, chimiro imicromirror inotsigirwa nehinge.Hinges dzayo dzinofambiswa nemachaji pamaplateti akabatana kune imwe yemaseru ekurangarira pazasi.Saizi yemicromirror imwe neimwe inenge dhayamita yebvudzi remunhu.Mudziyo uyu unonyanya kushandiswa mumapurojekita ekutengesa anotakurika uye mapurojekita emitambo yedzimba.
field emission
Nheyo yemusimboti wekuratidzwa kwemumunda wakafanana neyechubhu ye cathode ray, kureva kuti, maerekitironi anokwezvwa nendiro uye anoitwa kuti arovererwe nephosphor yakavharwa paanode kuti ibudise chiedza.Cathode yaro inoumbwa nenhamba huru yedikidiki maerekitironi masosi akarongwa muhurongwa, ndiko kuti, muchimiro chemhando yepixel imwe uye cathode imwe.Kungofanana nezviratidziro zveplasma, maratidziro emumunda anoda mavoltiji akakwira kuti ashande, kubva pa200V kusvika pa6000V.Asi kusvika pari zvino, haisati yave mainstream flat panel inoratidzira nekuda kwemutengo wepamusoro wekugadzira wemidziyo yayo yekugadzira.
organic light
Mune organic light-emitting diode display (OLED), magetsi anopfuudzwa nechikamu chimwe chete kana anopfuura epurasitiki kuti abudise chiedza chakafanana neinorganic light-emitting diodes.Izvi zvinoreva kuti chinodiwa kune OLED mudziyo is solid-state film stack pane substrate.Nekudaro, organic zvinhu zvinonzwa zvakanyanya kumhute yemvura uye oksijeni, saka kuvhara kwakakosha.OLEDs anoshandira mwenje-emitting zvishandiso uye anoratidza yakanakisa mwenje hunhu uye yakaderera simba rekushandisa maitiro.Ivo vane mukana wakakura wekugadzirwa kwehuwandu mune roll-by-roll process pane inochinjika substrates uye saka inodhura zvakanyanya kugadzira.Iyo tekinoroji ine huwandu hwakasiyana hwekushandisa, kubva nyore monochromatic yakakura-nzvimbo yekuvhenekesa kune yakazara-ruvara vhidhiyo graphics kuratidza.
Ingi yemagetsi
E-ink zviratidziro zvinodzorwa nekuisa munda wemagetsi kune bistable material.Iyo ine huwandu hukuru hwema micro-akavharidzirwa akajeka spheres, imwe neimwe inosvika 100 microns muhupamhi, ine dema remvura yakadhayiwa zvinhu uye zviuru zvezvimedu zvewhite titanium dioxide.Kana munda wemagetsi ukaiswa kune bistable material, iyo titanium dioxide particles inotama ichienda kune imwe yemaelectrodes zvichienderana nenzvimbo yaachaja.Izvi zvinoita kuti pixel ibudise chiedza kana kuti kwete.Nemhaka yokuti mashoko acho anogona kubikwa, anochengeta mashoko kwemwedzi yakawanda.Sezvo mamiriro ayo ekushanda achidzorwa nemunda wemagetsi, zvinyorwa zvayo zvekuratidzira zvinogona kuchinjwa nemasimba mashoma.
murazvo chiedza detector
Flame Photometric Detector FPD (Flame Photometric Detector, FPD kwenguva pfupi)
1. Nheyo yeFPD
Nheyo yeFPD inobva pakupisa kwemuenzaniso mumurazvo wehydrogen-rich, kuitira kuti mishonga ine sulfure uye phosphorus inoderedzwa nehydrogen mushure mekupisa, uye nyika inofadza yeS2 * (nyika inofadza yeS2) uye HPO. * (iyo inonakidza mamiriro eHPO) inogadzirwa.Izvo zvinhu zviviri zvinofadza zvinopenya spectra zvakatenderedza 400nm uye 550nm kana vadzokera kumamiriro epasi.Kusimba kweiyo spectrum inopimwa nechubhu yephotomultiplier, uye kusimba kwechiedza kunoenzanirana nehuwandu hwekuyerera kwesample.FPD inonyanya kunzwisiswa uye inosarudza detector, iyo inoshandiswa zvakanyanya pakuongorora sulfuri uye phosphorus compounds.
2. Chimiro cheFPD
FPD chimiro chinosanganisa FID uye photometer.Yakatanga seimwe-flame FPD.Mushure me1978, kuitira kugadzirisa kukanganisa kwe single-flame FPD, dual-flame FPD yakagadzirwa.Iine maviri akapatsanurwa emhepo-hydrogen marimi, murazvo wepasi unoshandura sampuli mamorekuru kuita zvigadzirwa zvinopisa zvine mamorekuru akareruka seS2 neHPO;murazvo wepamusoro unoburitsa luminescent yakafara zvimedu zvakaita seS2 * uye HPO *, pane hwindo rinonangana nepamusoro pemurazvo, uye kusimba kwechemiluminescence kunoonekwa nephotomultiplier chubhu.Iwindo rakagadzirwa negirazi rakaoma, uye murazvo wemoto unogadzirwa nesimbi isina tsvina.
3. Kuita kweFPD
FPD i detector yakasarudzika yekugadzika kwesarufa uye phosphorus makomisheni.Murazvo waro murazvo wehydrogen-rich, uye kupihwa kwemhepo kunongokwana kuita ne70% yehydrogen, saka tembiricha yemurazvo yakadzikira kugadzira sarufa nephosphorus inofadza.Zvimedu zvakasanganiswa.Mwero wekuyerera kweanotakura gasi, haidrojeni nemhepo zvine simba guru paFPD, saka gasi rekuyerera kwegasi rinofanira kunge rakagadzikana.Iyo tembiricha yemurazvo wekugadzwa kwemakomisheni ane sulfur inofanira kunge yakatenderedza 390 ° C, iyo inogona kuburitsa inonakidza S2 *;nokuda kwekugadzika kwemakemikari ane phosphorus, chiyero chehydrogen neokisijeni chinofanira kuva pakati pe2 ne5, uye chiyero chehydrogen-to-oxygen chinofanira kuchinjwa maererano nemasampuli akasiyana.Iyo inotakura gasi uye kugadzira-up gasi inofanirwawo kunyatsogadziriswa kuti iwane yakanaka chiratidzo-ku-ruzha reshiyo.
Nguva yekutumira: Jan-18-2022