Cov neeg nyob hauv kev lag luam LED zaub tau sib koom ua ke, thiab nws yooj yim los tham txog cov khoom lag luam LED: ntau npaum li cas dot pitch, refreshing li cas, yuav ua li cas siv cov tsav tam sim no ... Yog tias koj tsis nkag siab ib yam dab tsi, koj puas xav tias kev sib tham? zoo li no? Loj?
Yuav ua li cas? Txhua leej txhua tus tham txog cov ntsiab lus, thiab ntau tus neeg suav hais tias yog qhov yuav tsum tau ua ua ntej ua piv txwv tias lawv nkag siab cov lus qhia LED. Niaj hnub no, tus editor yuav qhia rau koj paub ntau tshaj plaws LED zaub terminology nyob rau hauv keeb kwm.
LED zaub
1. LED yog dab tsi?
LED yog cov lus Askiv luv ntawm lub teeb emitting diode (LIGHT EMITTING DIODE). LED nyob rau hauv kev lag luam zaub yog hais txog cov LED uas muaj peev xwm emit pom wavelengths.
2. Dab tsi yog pixel?
Qhov tsawg tshaj plaws lub teeb-emitting unit ntawm LED zaub muaj lub ntsiab lus zoo ib yam li pixel nyob rau hauv lub computer saib zoo tib yam.
3. Dab tsi yog pixel pitch (dot pitch)?
Qhov chaw nruab nrab ntawm ob lub pixels uas nyob ib sab. Qhov kev ncua deb me me, qhov luv dua qhov pom kev deb. Cov neeg nyob hauv kev lag luam feem ntau sau luv P los qhia qhov dot pitch.
4. Dab tsi yog pixel ceev?
Kuj hu ua dot matrix ceev, nws feem ntau yog hais txog tus lej ntawm pixels ib square meter ntawm lub vijtsam zaub.
5. Dab tsi yog LED zaub module?
Nws yog tsim los ntawm ob peb cov duab pixels, uas muaj kev ywj pheej hauv cov qauv thiab tuaj yeem tsim qhov tsawg tshaj plaws ntawm LED zaub screen. Feem ntau muaj 8 * 8, 8 * 7 thiab lwm yam.
6. DIP yog dab tsi?
DIP yog cov ntawv luv ntawm DOUBLE IN-LINE PACKAGE, dual hauv kab sib dhos.
7. SMT yog dab tsi? SMD yog dab tsi?
SMT yog lub tshuab mounting nto (cov ntawv luv ntawm SURFACE MOUNTED thev naus laus zis), uas tam sim no yog cov thev naus laus zis nrov tshaj plaws thiab cov txheej txheem hauv kev lag luam hluav taws xob sib dhos; SMD yog cov ntawv luv ntawm cov khoom siv saum npoo av.
8. Dab tsi yog LED zaub module?
Ib chav tsev yooj yim uas muaj qee yam hauv Circuit Court thiab kev teeb tsa, muaj lub luag haujlwm tso saib, thiab tuaj yeem paub txog kev ua haujlwm ntawm lub vijtsam los ntawm kev sib dhos yooj yim.
9. Dab tsi yog LED zaub?
Los ntawm ib txoj kev tswj hwm, ib qho screen uas tsim los ntawm cov khoom siv LED.
10. Lub plug-in module yog dab tsi, thiab qhov zoo thiab qhov tsis zoo yog dab tsi?
Nws txhais tau hais tias DIP ntim lub teeb hla lub teeb tus pin los ntawm PCB pawg thawj coj saib, thiab sau cov tin rau hauv lub teeb lub qhov los ntawm kev soldering. Lub module ua los ntawm cov txheej txheem no yog lub plug-in teeb module. Qhov zoo yog: siab brightness, zoo tshav kub dissipation, tab sis qhov tsis zoo yog lub pixel ceev me me.
11: Dab tsi yog qhov chaw mount module? Qhov zoo thiab qhov tsis zoo yog dab tsi?
Surface mount tseem hu ua SMT. Lub SMT ntim teeb yog welded rau saum npoo ntawm PCB board los ntawm cov txheej txheem vuam, thiab lub teeb pins tsis tas yuav dhau los ntawm PCB pawg thawj coj saib. Lub module ua los ntawm cov txheej txheem no yog hu ua qhov chaw mount module. Qhov kom zoo dua yog: cov nyhuv zoo. Lub pixel ceev yog qhov loj, haum rau kev saib sab hauv tsev: qhov tsis zoo yog qhov ci ntsa iab tsis txaus, thiab cov cua kub dissipation ntawm lub teeb nws tus kheej tsis zoo txaus.
12. Dab tsi yog qhov sub-surface mount module? Qhov zoo thiab qhov tsis zoo yog dab tsi?
Sub-surface mount yog ib yam khoom ntawm DIP thiab SMT. Lub ntim ntim ntawm nws lub teeb LED yog tib yam li ntawm SMT, tab sis nws cov pins zoo thiab tsis zoo yog tib yam li DIP. Lawv kuj tau soldered los ntawm PCB thaum lub sij hawm tsim khoom. Qhov zoo yog: lub teeb ci siab thiab cov txiaj ntsig zoo, tab sis qhov tsis zoo yog: cov txheej txheem nyuaj thiab kev saib xyuas nyuaj;
13. 3 hauv 1 yog dab tsi? Dab tsi yog nws qhov zoo thiab qhov tsis zoo?
Hais txog SMT teeb ntim nrog peb xim sib txawv ntawm RGB LED chips yog teem rau vertically ua ke nyob rau hauv ib tug tej lub sij hawm, uas tsis tsuas yog muaj tag nrho cov zoo ntawm 3 nyob rau hauv 1, tab sis kuj daws tau ntau yam shortcomings ntawm 3 nyob rau hauv 1: complex txheej txheem thiab nyuaj. kev saib xyuas.
14. Peb nyob hauv ib leeg yog dab tsi?
Nws yog vertically juxtapose peb RGB SMT teeb nrog cov pob khoom ywj pheej ntawm qee lub sijhawm, uas tsis yog tsuas yog muaj qhov zoo ntawm 3-hauv-1, tab sis kuj daws ntau yam tsis txaus ntawm 3-hauv{ {3}}.
15. Dab tsi yog ob xim, pseudo-xim, thiab xim puv npo?
Cov xim sib txawv LEDs tuaj yeem tsim cov ntxaij vab tshaus sib txawv. Dual thawj xim muaj xws li liab, ntsuab los yog daj thiab ntsuab. Pseudo-xim yog tsim los ntawm peb xim sib txawv ntawm liab, daj-ntsuab thiab xiav. Cov xim puv yog tsim los ntawm liab. , Ntshiab ntsuab, ntshiab xiav peb xim sib txawv.
16: Dab tsi yog luminous brightness?
Lub teeb siv hluav taws xob tawm los ntawm ib cheeb tsam ntawm LED zaub, chav tsev yog CD / square meter, uas tsuas yog lub teeb siv hluav taws xob tawm los ntawm ib square meter ntawm cov zaub;
17: Dab tsi yog qhov ci ntsa iab?
Cov qib ntawm phau ntawv los yog tsis siv neeg hloov kho ntawm qhov ci ntawm tag nrho lub vijtsam nruab nrab ntawm qhov qis tshaj mus rau qhov ci siab tshaj plaws.
18. Grey nplai yog dab tsi?
Nyob rau hauv tib lub ci ci, tus naj npawb ntawm cov txheej txheem txheej txheem los ntawm qhov tsaus ntuj tshaj plaws mus rau qhov ci ntawm cov zaub
19. Qhov siab tshaj plaws yog dab tsi?
Nyob rau hauv ib puag ncig ib puag ncig illuminance, txhua lub ntsiab xim ntawm LED zaub screen yog nyob rau ntawm qhov siab tshaj plaws brightness thiab siab tshaj plaws grey theem;
20. Moiré yog dab tsi?
Ntawd yog, thaum tua tag nrho-xim LED zaub ntawm kev ua haujlwm, qee qhov dej tsis sib xws yuav tshwm sim ntawm qhov screen ntawm LED zaub. Cov dej ripples no hu ua "moir patterns" hauv physics.
LED zaub
21. PCB yog dab tsi?
PCB yog (cov ntawv luv ntawm cov ntawv luam tawm Circuit Board) luam tawm Circuit Board
22. Lub cell board specification yog dab tsi?
Hais txog qhov loj ntawm lub xov tooj ntawm tes phaj, feem ntau yog qhia los ntawm qhov kev qhia ntawm lub xov tooj ntawm tes phaj ntev multiplied los ntawm qhov dav, nyob rau hauv millimeters. 48 × 244 hli
23. Kev daws teeb meem ntawm pawg thawj coj saib yog dab tsi?
Hais txog tus naj npawb ntawm pixels nyob rau hauv ib chav tsev board, feem ntau qhia los ntawm cov xov tooj ntawm cov kab pixels ntawm chav tsev board multiplied los ntawm cov xov tooj ntawm kab. (piv txwv li: 64 × 32)
24. BOM yog dab tsi?
BOM yog (lub ntsiab lus ntawm daim nqi ntawm cov khoom siv) daim nqi ntawm cov ntaub ntawv
25: Qhov nyiaj tshuav dawb yog dab tsi thiab qhov kev hloov pauv dawb yog dab tsi?
Qhov peb hu ua dawb tshuav yog hais txog qhov sib npaug ntawm cov dawb, uas yog, qhov sib npaug ntawm qhov ci piv ntawm peb xim ntawm RGB; qhov kev hloov pauv ntawm qhov ci ci ntawm peb xim ntawm RGB thiab kev sib koom ua ke dawb hu ua kev hloov pauv dawb;
26: Qhov sib txawv yog dab tsi?
Nyob rau hauv ib puag ncig illumination, qhov piv ntawm qhov siab tshaj plaws brightness ntawm LED zaub mus rau tom qab brightness.
27. Xim kub yog dab tsi?
Thaum cov xim tawm los ntawm lub teeb ci yog tib yam li cov xim ntawm lub cev dub ntawm qhov kub thiab txias, qhov kub ntawm lub cev dub hu ua xim kub ntawm lub teeb ci.
28. Dab tsi yog chromatic aberration?
Lub vijtsam LED zaub yog tsim los ntawm liab, ntsuab thiab xiav los tsim ntau yam xim, tab sis peb cov xim no yog ua los ntawm cov khoom sib txawv, qhov pom lub kaum ntse ntse sib txawv, thiab cov spectral faib ntawm cov LED sib txawv tau hloov. Cov kev sib txawv no uas tuaj yeem pom tau yog hu ua Rau qhov sib txawv xim. Thaum saib lub LED ntawm ib lub kaum ntse ntse, nws cov xim hloov. Tib neeg lub qhov muag muaj peev xwm los txiav txim cov xim ntawm daim duab tiag tiag (xws li daim duab yeeb yaj kiab) zoo dua li kev soj ntsuam daim duab uas tsim los ntawm lub computer.
29. Tus ncej hloov zaus yog dab tsi?
Tus naj npawb ntawm lub sijhawm cov ntaub ntawv tshuaj ntsuam tau hloov kho rau ib lub sijhawm;
30. Qhov refresh npaum li cas?
Tus naj npawb ntawm lub sij hawm cov tshuaj ntsuam tau rov ua dua tso tawm ntawm lub vijtsam zaub hauv chav nyob;
31: Txoj kev xav yog dab tsi? Lub kaum sab xis saib yog dab tsi? Qhov kev pom zoo tshaj plaws yog dab tsi?
Lub kaum sab xis saib yog thaum lub ci ntsa iab ntawm qhov saib kev taw qhia poob mus rau 1/2 ntawm qhov ci ntawm cov kab ib txwm muaj ntawm LED zaub screen. Lub kaum sab xis tsim los ntawm ob txoj kev pom ntawm tib lub dav hlau thiab cov kev taw qhia ib txwm muaj. Muab faib ua kab rov tav thiab ntsug saib cov ces kaum; lub kaum sab xis saib tsuas yog cov kev taw qhia uas cov duab cov ntsiab lus ntawm cov zaub tuaj yeem pom, thiab lub kaum sab xis tsim los ntawm qhov qub ntawm cov zaub. Lub kaum sab xis saib zoo tshaj plaws yog tuaj yeem pom cov ntsiab lus ntawm cov zaub, thiab tsis tiaj tus, lub kaum sab xis tsim los ntawm qhov pom tseeb ntawm cov ntsiab lus ntawm cov duab thiab qhov qub;
32: Qhov kev pom zoo tshaj plaws yog dab tsi?
Nws yog qhov ntsug nrug ntawm qhov pom tseeb ntawm txoj haujlwm ntawm cov duab cov ntsiab lus txheeb ze rau lub vijtsam lub cev uas tuaj yeem pom tag nrho cov ntsiab lus ntawm cov zaub yam tsis muaj xim tiaj tus:
33: Lub ntsiab lus ntawm kev tswj tsis tau yog dab tsi? Muaj pes tsawg hom?
Pixels uas nws lub teeb-emitting lub xeev tsis ua raws li cov kev cai tswj, cov ntsiab lus tawm-ntawm-tswj yog muab faib ua peb hom: qhov muag tsis pom kev (tseem hu ua qhov chaw tuag), qhov kaj tsis tu ncua (lossis tsaus me ntsis) thiab cov ntsiab lus flash;
34. Dab tsi yog qhov tsav zoo li qub:? Dab tsi yog tus tsav tsheb scan? Qhov txawv ntawm ob yog dab tsi?
Qhov "point-to-point" tswj los ntawm cov zis tus pin ntawm tus tsav tsheb IC mus rau lub pixel point yog hu ua kev tsav tsheb zoo li qub, thiab "point-to-kum" tswj los ntawm cov zis tus pin ntawm tus tsav tsheb IC mus rau pixel point yog hu ua scan tsav tsheb. Nws xav tau kab tswj kab hluav taws xob: Nws tuaj yeem pom meej los ntawm pawg tsav tsheb uas tsav tsheb zoo li qub tsis tas yuav muaj kab tswj kab hluav taws xob, uas yog kim, tab sis muaj cov nyhuv zoo, kev ruaj ntseg zoo, thiab tsis tshua muaj qhov ci; scanning tsav tsheb yuav tsum muaj kab tswj kab, tab sis tus nqi qis. Cov nyhuv tsis zoo, siab brightness poob, thiab lwm yam .;
35. Dab tsi yog qhov tsav tam sim no? Dab tsi yog qhov tsis tu ncua voltage tsav?
Qhov tam sim no tsis tu ncua yog hais txog qhov tso zis tas li tam sim no tus nqi teev nyob rau hauv qhov chaw ua haujlwm tau tso cai los ntawm tus tsav tsheb IC: qhov hluav taws xob tsis tu ncua yog hais txog tus nqi hluav taws xob tas li teev nyob rau hauv qhov chaw ua haujlwm tau tso cai los ntawm tus tsav tsheb IC;
36. Dab tsi yog qhov piv txwv ntawm LED zaub?
Graphic screen: txiav txim siab raws li cov ntsiab lus tso tawm; Video screen: Feem ntau 4:3 lossis ze rau 4:3; Qhov zoo tagnrho piv yog 16: 9.
37. Tus naj npawb ntawm cov ntsiab lus uas cov txheej txheem tswj tau tswj tau?
Kev sib txuas lus npo daim npav A: monochrome, dual xim 1024 × 64; kev sib txuas lus npo daim npav B: monochrome: 896 × 512 dual xim: 896 × 256; DVI dual xim npo: 1280 × 768; DVI puv xim npo: 1024 × 512
38. Kev kho uas tsis yog-linear yog dab tsi?
Yog tias cov teeb liab digital tso tawm los ntawm lub khoos phis tawj tso tawm rau ntawm LED zaub yam tsis muaj kev kho, yuav muaj xim txawv txav, yog li hauv kev tswj hwm qhov system, lub khoos phis tawj qub tso tawm teeb liab raug xam los ntawm kev ua haujlwm tsis yog linear los xam cov teeb liab uas yuav tsum tau ua. tso saib. Vim hais tias ntawm nonlinear kev sib raug zoo ntawm lub hauv ntej thiab nram qab lub teeb liab, peb feem ntau hu nws nonlinear kho.
39. Qhov ntsuas ua haujlwm voltage yog dab tsi? Qhov ua haujlwm voltage yog dab tsi? Qhov khoom siv hluav taws xob yog dab tsi?
Qhov ntsuas hluav taws xob ua haujlwm yog hais txog qhov hluav taws xob thaum qhov hluav taws xob siv rau kev ua haujlwm ib txwm muaj; Kev ua haujlwm voltage yog hais txog tus nqi hluav taws xob ntawm cov khoom siv hluav taws xob hauv qhov ntsuas hluav taws xob thiab thaum ua haujlwm ib txwm: lub zog hluav taws xob muab faib ua AC thiab tributary fais fab mov voltages. Peb qhov tseeb AC fais fab mov voltages yog ob qho tib si AC220V-240V, DC fais fab mov voltage feem ntau yog 5V DC12V, hnub ci fais fab feem ntau yog 12V
40. Xim distortion yog dab tsi?
Nws hais txog qhov sib txawv ntawm tib neeg lub qhov muag qhov pom kev pom thiab cov khoom siv tib yam hauv lub ntiaj teb ntuj tsim thiab ntawm cov zaub.
41: Dab tsi yog qhov system synchronous thiab dab tsi yog qhov asynchronous system?
Synchronous thiab asynchronous yog txheeb ze rau lub computer. Lub npe hu ua synchronous system hais txog LED zaub tswj qhov system uas qhia cov ntsiab lus tso tawm ntawm lub vijtsam zaub thiab lub computer saib synchronously; lub asynchronous system hais txog cov ntaub ntawv khaws cia ua ntej uas tau kho los ntawm lub khoos phis tawj Hauv kev tswj hwm cov zaub, cov zaub ib txwm muaj ntawm LED zaub yuav tsis cuam tshuam tom qab lub khoos phis tawj raug kaw. Xws li kev tswj hwm yog ib qho kev tswj hwm asynchronous
42. Dab tsi yog qhov muag tsis pom kev siv tshuab?
Los ntawm cov software sab saud thiab cov khoom siv hauv qab, cov qhov muag tsis pom (LED qhib thiab luv) ntawm cov zaub tuaj yeem kuaj pom, thiab daim ntawv tshaj tawm tuaj yeem tsim los qhia rau tus thawj coj saib LED. Xws li tshuab yog hu ua qhov muag tsis pom kev siv tshuab;
43. Kev kuaj xyuas lub zog yog dab tsi?
Los ntawm cov software sab saud thiab cov khoom siv hauv qab, cov kev ua haujlwm ntawm txhua lub zog hluav taws xob ntawm cov zaub tuaj yeem kuaj pom, thiab daim ntawv tshaj tawm tuaj yeem tsim los qhia rau tus thawj coj saib LED. Xws li cov cuab yeej hu ua lub zog tshawb nrhiav tshuab.
44. Dab tsi yog qhov pom kev ci ntsa iab? Kev kho qhov ci ci yog dab tsi?
Qhov ci ntsa iab hauv qhov pom kev ci ntsa iab yog hais txog qhov ci ntsa iab ntawm ib puag ncig qhov chaw uas LED zaub nyob. Lub teeb sensor pom qhov ci ntawm ib puag ncig qhov chaw uas cov zaub nyob tam sim no. Txoj kev tshawb nrhiav no hu ua brightness detection; cov brightness hais nyob rau hauv lub brightness hloov yog hais txog cov LED zaub Cov emission brightness thiab cov ntaub ntawv kuaj tau rov qab mus rau lub LED zaub tswj system los yog tswj lub computer, thiab ces lub brightness ntawm cov zaub yog hloov raws li cov ntaub ntawv no, uas yog hu ua brightness. kev hloov kho;
45. Dab tsi yog pixel tiag? Dab tsi yog virtual pixel? Dab tsi ntawm virtual pixels muaj? Dab tsi yog pixel sib koom?
Cov pixels tiag tiag xa mus rau 1: 1 kev sib raug zoo ntawm tus naj npawb ntawm lub cev pixels ntawm lub vijtsam zaub thiab cov pixels tiag tiag. Muaj pes tsawg pixels tiag tiag tso tawm ntawm lub vijtsam zaub tsuas tuaj yeem tso saib cov ntaub ntawv duab. Virtual pixel hais txog 1:N (N=2, 4) kev sib raug zoo ntawm tus lej ntawm lub cev pixels ntawm lub vijtsam zaub thiab cov pixels tiag tiag. Nws tuaj yeem tso saib duab pixels 2 lossis 4 npaug ntau dua li qhov tseeb pixels ntawm lub vijtsam zaub; virtual Pixels tuaj yeem muab faib ua software virtual thiab hardware virtual raws li txoj hauv kev virtual: raws li kev sib raug zoo, lawv tau muab faib ua 2 zaug virtual thiab 4 zaug virtual, thiab raws li kab teeb ntawm lub module, lawv muab faib ua : 1R1G1B virtual thiab 2R1G1B virtual;
46. Cov chaw taws teeb tswj yog dab tsi? Hauv qhov xwm txheej twg?
Qhov hu ua long-distance tsis tas yuav mus ntev. Kev tswj chaw taws teeb muaj xws li kev tswj hwm qhov kawg thiab qhov kawg tswj hauv ib cheeb tsam hauv cheeb tsam, tab sis qhov kev ncua deb ntawm lawv tsis deb; thiab lub ntsiab tswj qhov kawg thiab qhov kawg tswj yog nyob rau hauv ib tug kuj ntev qhov chaw deb. Cov neeg siv khoom xav tau lossis cov neeg siv khoom tswj txoj haujlwm tshaj qhov kho qhov muag ncaj qha. Tswj qhov deb, ces siv cov chaw taws teeb tswj;
47. Fiber optic kis tau tus mob yog dab tsi? Dab tsi yog network cable kis tau tus mob?
Optical fiber kis tau tus mob siv pob tshab iav fiber ntau los hloov cov teeb liab hluav taws xob rau hauv cov teeb liab kho qhov muag, thaum lub network cable kis tau tus mob siv hlau xaim xaim hluav taws xob ncaj qha.
48. Raws li qhov xwm txheej twg yog siv cov cables network? Thaum twg siv optical fiber?
Thaum qhov kev ncua deb ntawm qhov screen thiab lub computer tswj yog tsawg dua 100 meters, siv lub network cable rau kev sib kis; Thaum qhov kev ncua deb ntawm ob yog tsawg tshaj li 500 meters thiab ntau dua 100 meters, siv ib tug multi-mode fiber ntau, thiab thaum lub deb ntawm ntau tshaj 500 meters, siv ib hom fiber ntau.
49. LAN tswj yog dab tsi? Internet tswj yog dab tsi?
Hauv cheeb tsam hauv cheeb tsam network, ib lub computer siv los tswj lwm lub khoos phis tawj lossis txuas nrog lwm cov khoom siv sab nraud. Txoj kev tswj hwm no yog hu ua cheeb tsam hauv cheeb tsam network tswj. Tus tswj lub ntsiab ua tiav lub hom phiaj ntawm kev tswj los ntawm tus IP chaw nyob ntawm tus maub los hauv INTERNET network, uas yog hu ua Internet tswj;
50. DVI yog dab tsi? VGA yog dab tsi?
DVI yog cov ntawv luv ntawm Digital Video interface, uas yog, digital video interface. Nws yog ib qho digital video teeb liab interface feem ntau siv thoob ntiaj teb.
