Ngosipụta Panel Flat (FPD) abụrụla isi ihe onyonyo onyonyo n'ọdịnihu.Ọ bụ ihe na-emekarị, mana enweghị nkọwa siri ike n'ụwa.N'ozuzu, ụdị ngosi a dị gịrịgịrị ma dị ka panel dị larịị.Enwere ọtụtụ ụdị ngosi panel flat., Dị ka ihe ngosi ngosi na ụkpụrụ ọrụ, e nwere mmiri mmiri crystal ngosi (LCD), plasma ngosi (PDP), electroluminescence ngosi (ELD), organic electroluminescence ngosi (OLED), ubi emission ngosi (FED), projection ngosi, wdg. A na-eme ọtụtụ ngwa FPD site na granite.N'ihi na granite igwe isi nwere mma nkenke na anụ ahụ Njirimara.
usoro mmepe
N'iji ya na CRT omenala (cathode ray tube), ihe ngosi panel dị larịị nwere uru nke dị gịrịgịrị, ọkụ, obere ike ike, obere radieshon, enweghị flicker, na bara uru maka ahụ ike mmadụ.Ọ karịrị CRT na ahịa zuru ụwa ọnụ.Ka ọ na-erule afọ 2010, a na-eme atụmatụ na ọnụ ahịa ahịa nke abụọ ahụ ga-eru 5: 1.Na narị afọ nke 21st, ihe ngosi panel dị larịị ga-abụ ngwaahịa kachasị na ngosipụta.Dabere na amụma Stanford Resources a ma ama, ahịa ngosipụta flat panel zuru ụwa ọnụ ga-abawanye site na ijeri US dollar 23 na 2001 ruo ijeri US $ 58.7 na 2006, na nkezi uto kwa afọ ga-eru 20% n'ime afọ 4 na-esote.
Ngosipụta teknụzụ
A na-ekewa ihe ngosi paịlụ dị larịị ka ọ bụrụ ihe ngosi ọkụ na-arụ ọrụ yana ngosi na-ebunye ọkụ.Nke mbụ na-ezo aka na ngwaọrụ ngosi nke ihe ngosi n'onwe ya na-ewepụta ìhè ma na-enye radieshon a na-ahụ anya, nke gụnyere ihe ngosi plasma (PDP), vacuum fluorescent display (VFD), field emission display (FED), electroluminescence display (LED) na organic light emitting. ngosi diode (OLED) )Chere.Nke ikpeazụ pụtara na ọ naghị amụnye ọkụ n'onwe ya, kama ọ na-eji usoro ihe ngosi na-emezigharị site na mgbama ọkụ eletrik, na njirimara anya ya na-agbanwe, gbanwee ìhè ambient na ọkụ na-ebunye site na ọkụ ọkụ dị n'èzí (lightlight, projection light source). ), ma mee ya na ihuenyo ngosi ma ọ bụ ihuenyo.Ngosipụta ngwaọrụ, gụnyere ihe ngosi kristal mmiri (LCD), ngosipụta sistemụ micro-electromechanical (DMD) na ngosipụta ink eletrọnịkị (EL), wdg.
LCD
Ngosipụta kristal mmiri na-agụnye ihe ngosi kristal mmiri matriks na-agafe agafe (PM-LCD) na ngosipụta kristal mmiri matriks na-arụ ọrụ (AM-LCD).Ma ihe ngosi STN na TN mmiri kristal bụ nke ngosipụta kristal mmiri mmiri na-agafe agafe.N'afọ ndị 1990, teknụzụ ngosipụta mmiri mmiri kristal na-arụ ọrụ-matrix mepụtara ngwa ngwa, ọkachasị ihe ngosi transistor liquid crystal (TFT-LCD).Dị ka ngwaahịa nnọchi nke STN, ọ nwere uru dị na ọsọ nzaghachi ngwa ngwa na enweghị ọkụ ọkụ, a na-ejikwa ya na kọmpụta na-ebugharị na ebe a na-arụ ọrụ, TV, camcorders na consoles egwuregwu vidiyo ejiri aka.Ihe dị iche n'etiti AM-LCD na PM-LCD bụ na nke mbụ nwere ngwaọrụ ndị na-agbanwe agbanwe agbakwunyere na pixel ọ bụla, nke nwere ike imeri nnyonye anya ma nweta ọdịiche dị elu na ngosi mkpebi dị elu.AM-LCD dị ugbu a na-anabata ngwaọrụ amorphous silicon (a-Si) TFT na-agbanwe ngwaọrụ na atụmatụ nchekwa nchekwa, nke nwere ike nweta ọkwa isi awọ dị elu wee ghọta ezigbo ngosipụta agba.Agbanyeghị, mkpa maka mkpebi dị elu na obere pikselụ maka igwefoto njupụta dị elu na ngwa amụma emeela ka mmepe nke P-Si (polysilicon) TFT (transistor ihe nkiri dị mkpa).Mgbanwe nke P-Si dị 8 ruo 9 ugboro dị elu karịa nke a-Si.Obere nha nke P-Si TFT abụghị naanị dabara maka njupụta dị elu na ngosipụta dị elu, mana enwere ike ijikọ sekit ndị dị n'akụkụ na mkpụrụ.
N'ihe niile, LCD dabara adaba maka ihe ngosi dị gịrịgịrị, ọkụ, obere na ọkara na obere ike oriri, a na-ejikwa ya na ngwa eletrọnịkị dị ka kọmputa akwụkwọ na ekwentị mkpanaaka.30-inch na 40-inch LCDs emeputala nke ọma, ma tinyekwa ụfọdụ n'ime ya.Mgbe nnukwu mmepụta nke LCD, ọnụ ahịa na-anọgide na-ebelata.Ihe nlebanya LCD inch 15 dị maka $500.Ntuziaka mmepe ya n'ọdịnihu bụ iji dochie ihe ngosi cathode nke PC ma tinye ya na LCD TV.
Ngosipụta Plasma
Ngosipụta Plasma bụ teknụzụ ngosi na-enye ọkụ na-enweta site n'ụkpụrụ gas (dị ka ikuku).Ngosipụta Plasma nwere uru nke tubes cathode ray, mana a na-emepụta ya n'ụdị dị gịrịgịrị.Nha ngwaahịa bụ 40-42 sentimita asatọ.Ngwaahịa 50 60 inch nọ na mmepe.
agụụ fluorescence
Ngosipụta fluorescent agụụ bụ ihe ngosi a na-ejikarị na ngwaahịa ọdịyo/video na ngwa ụlọ.Ọ bụ a triode electron tube ụdị agụụ ngosi ngwaọrụ na encapsulates na cathode, grid na anode na a agụụ tube.Ọ bụ na electrons nke cathode na-ebupụta na-eme ngwa ngwa site na voltaji dị mma etinyere na grid na anode, na-akpali phosphor mkpuchi na anode na-ebunye ọkụ.Grid na-anabata usoro ebuanu.
electroluminescence)
A na-eji teknụzụ ihe nkiri siri ike steeti eme ihe ngosi elektrọnik.A na-etinye oyi akwa mkpuchi n'etiti efere abụọ na-eduzi ma na-edobe oyi akwa electroluminescent dị mkpa.Ngwa a na-eji akwa mkpuchi zinc ma ọ bụ strontium nwere ụdị ikuku dị obosara dị ka ihe mejupụtara electroluminescent.oyi akwa electroluminescent ya bụ 100 microns gbara ọkpụrụkpụ ma nwee ike nweta otu mmetụta ngosipụta doro anya dị ka ihe ngosi diode ọkụ organic (OLED).Voltaji ụgbọala ya na-ahụkarị bụ 10KHz, voltaji AC 200V, nke chọrọ IC ọkwọ ụgbọ ala dị oke ọnụ.E mepụtala microdisplay dị elu na-eji atụmatụ ịnya ụgbọ ala na-arụ ọrụ nke ọma.
edu
Ngosipụta diode na-enye ọkụ nwere ọnụ ọgụgụ dị ukwuu nke diodes na-enye ọkụ, nke nwere ike ịbụ monochromatic ma ọ bụ ọtụtụ agba.Diodes ọkụ na-acha anụnụ anụnụ na-arụ ọrụ dị elu adịla, na-eme ka o kwe omume ịmepụta ihe ngosi LED nnukwu ihuenyo zuru oke.Ihe ngosi LED nwere njirimara nke nchapụta dị elu, arụmọrụ dị elu na ogologo ndụ, ma dabara maka nnukwu ihuenyo maka iji n'èzí.Agbanyeghị, enweghị ihe ngosi etiti etiti maka ndị nlekota ma ọ bụ PDA (kọmputa ejiri aka) nwere ike iji teknụzụ a mee.Agbanyeghị, enwere ike iji sekit agbakwunyere monolithic LED dị ka ngosipụta mebere monochromatic.
MEMS
Nke a bụ microdisplay arụpụtara site na iji teknụzụ MEMS.N'ihe ngosi ndị dị otú ahụ, a na-emepụta ihe owuwu microscopic site na nhazi semiconductor na ihe ndị ọzọ na-eji usoro semiconductor ọkọlọtọ.N'ime ngwaọrụ micromirror dijitalụ, ihe owuwu a bụ micromirror nke nkodo kwadoro.A na-eme ka mkpịsị ya rụọ ọrụ site na ụgwọ dị na efere ejikọrọ na otu n'ime sel ebe nchekwa dị n'okpuru.Ogo nke micromirror ọ bụla bụ ihe dịka dayameta nke ntutu mmadụ.A na-ejikarị ngwaọrụ a na ihe nrụpụta azụmahịa na-ebugharị na ihe ngosi ihe nkiri ụlọ.
ikuku ikuku
Ụkpụrụ bụ isi nke ngosipụta ihe ọkụkụ dị n'ọhịa bụ otu ihe ahụ nke tube ray cathode, ya bụ, eletrọn na-adọta site na efere ma mee ka ha na phosphor kpuchie na anode na-ekpokọta ọkụ.Ihe mejupụtara cathode ya bụ ọnụ ọgụgụ dị ukwuu nke obere ihe elektrọn ndị a haziri n'usoro, ya bụ, n'ụdị nhazi nke otu pikselụ na otu cathode.Dị ka ihe ngosi plasma, ihe ngosi ihe ngosi ubi chọrọ nnukwu voltaji iji rụọ ọrụ, sitere na 200V ruo 6000V.Ma ka ọ dị ugbu a, ọ ghọbeghị ihe ngosi panel panel nke bụ isi n'ihi nnukwu ọnụ ahịa mmepụta nke ngwá ọrụ ya.
organic ìhè
N'ihe ngosi diode nke na-enye ìhè organic (OLED), a na-agafe ọkụ eletrik site n'otu ọkwa plastik ma ọ bụ karịa iji mepụta ìhè nke yiri diodes na-enye ìhè.Nke a pụtara na ihe achọrọ maka ngwaọrụ OLED bụ nchịkọta ihe nkiri steeti siri ike na mkpụrụ.Otú ọ dị, ihe ndị na-emepụta ihe na-enwe mmetụta dị ukwuu na ikuku mmiri na oxygen, ya mere akara dị mkpa.OLEDs bụ ngwaọrụ na-enye ọkụ na-arụ ọrụ ma na-egosipụta njirimara ọkụ dị mma yana njirimara oriri ike dị ala.Ha nwere ikike dị ukwuu maka imepụta oke n'usoro mpịakọta na mpịakọta na ihe ndị na-agbanwe agbanwe ma ya mere ọ dị ọnụ ala iji rụpụta ya.Teknụzụ ahụ nwere ngwa dị iche iche, site na ọkụ monochromatic dị mfe ruo na ngosipụta eserese vidiyo zuru oke.
Ink elektrọnik
Ngosipụta e-ink bụ ngosipụta nke a na-achịkwa site n'itinye oghere eletrik n'ihe dị mma.Ọ nwere ọnụ ọgụgụ buru ibu nke oghere transperent nke micro-mechiri emechi, nke ọ bụla dị ihe dị ka 100 micron na dayameta, nwere ihe eji esiji mmiri ojii na ọtụtụ puku irighiri ihe nke titanium dioxide ọcha.Mgbe etinyere igwe eletrik na ihe bistable, irighiri ihe nke titanium dioxide ga-akwaga n'otu n'ime electrodes dabere na ọnọdụ ụgwọ ha.Nke a na-eme ka pikselụ pụta ìhè ma ọ bụ na ọ bụghị.Ebe ọ bụ na ihe ahụ na-atọ ụtọ, ọ na-edobe ozi ruo ọtụtụ ọnwa.Ebe ọ bụ na ala eletrik na-achịkwa ọnọdụ ọrụ ya, enwere ike iji obere ume gbanwee ọdịnaya ngosi ya.
ihe nchọpụta ọkụ ọkụ
Ọkụ Photometric Detector FPD (ọkụ ọkụ Photometric Detector, FPD maka mkpụmkpụ)
1. Ụkpụrụ nke FPD
Ụkpụrụ nke FPD dabeere na combustion nke sample na hydrogen-ọgaranya ire ọkụ, nke mere na ogige ndị nwere sọlfọ na phosphorus na-ebelata site hydrogen mgbe combustion, na obi ụtọ steeti S2 * (ụtọ ala S2) na HPO. * (ọnọdụ obi ụtọ nke HPO) ka emepụtara.Ihe abụọ ahụ nwere obi ụtọ na-egbuke egbuke gburugburu 400nm na 550nm mgbe ha laghachiri na ala ala.A na-eji tube fotomultiplier tụọ ike nke ụdịdị a, na ọkụ ọkụ na-adaba na ọnụ ọgụgụ nrịba nke ihe nlele ahụ.FPD bụ onye na-achọpụta ihe nke ukwuu na nke na-ahọrọ, nke a na-ejikarị na nyocha nke sọlfọ na ogige phosphorus.
2. Ọdịdị nke FPD
FPD bụ nhazi nke jikọtara FID na fotometer.Ọ malitere dị ka FPD ọkụ otu.Mgbe 1978 gachara, iji mejupụta mmejọ nke FPD otu ọkụ, e mepụtara FPD okpukpu abụọ.Ọ nwere ọkụ abụọ dị iche iche nke ikuku-hydrogen, ọkụ dị ala na-atụgharị mkpụrụ ndụ ihe atụ n'ime ngwaahịa combustion nwere ụmụ irighiri ihe dị mfe dị ka S2 na HPO;Ọkụ dị n'elu na-emepụta iberibe steeti obi ụtọ na-egbuke egbuke dị ka S2 * na HPO *, enwere windo nke edoro n'ọkụ dị elu, a na-achọpụtakwa ike nke chemiluminescence site na tube fotomultiplier.Ejiri enyo siri ike mee windo ahụ, a na-eji igwe anaghị agba nchara mee oghere ọkụ ahụ.
3. Ọrụ nke FPD
FPD bụ onye na-achọpụta ihe ahọpụtara maka mkpebi nke sọlfọ na ogige phosphorus.Ọkụ ya bụ ire ọkụ nwere hydrogen, na inye ikuku bụ naanị iji meghachi omume na 70% nke hydrogen, ya mere ọkụ ọkụ dị ala iji mepụta sọlfọ na phosphorus nwere obi ụtọ.Iberibe ngwakọta.Ọnụego ikuku nke ikuku na-ebu, hydrogen na ikuku nwere mmetụta dị ukwuu na FPD, ya mere njikwa ikuku gas kwesịrị ịdị nhịahụ.Okpomọkụ ọkụ maka ikpebi ogige ndị nwere sọlfọ kwesịrị ịdị gburugburu 390 Celsius C, nke nwere ike iwepụta S2 * obi ụtọ;maka mkpebi siri ike nke ogige ndị nwere phosphorus, oke nke hydrogen na oxygen kwesịrị ịdị n'etiti 2 na 5, na nhazi nke hydrogen na oxygen kwesịrị ịgbanwe dịka ihe atụ dị iche iche si dị.Ekwesịrị ịhazigharị gas na-ebu ibu na gas mebere nke ọma iji nweta oke mgbama na mkpọtụ.
Oge nzipu: Jan-18-2022