Cim LED rau hauv Circuit Court

Nthuav saib yuav ua li cas amazing ceev lwm technologies. Peb caug xyoo dhau los, peb twb txaus siab kiag li nrog rau cov electronics, uas yog siv, cia li ib lub tsheb, qhov chaw phim, thiab tsis tshua muaj-ceev, coj tus tsev tsis muaj kev kho. Tab sis li constituted txiv neej uas yog lossi striving rau ib yam dab tsi zoo meej, thiab tam sim no yuav luag txhua txhua cheeb tsam ntawm lub neej yog kev kawm mus rau qhov Modernization. Kov, tus txheej txheem no kuj tso saib thiab teeb pom kev zoo systems. Yog li ntawd, peb los mus rau ntau tshaj semiconductor pab kiag li lawm los hloov incandescent teeb - LEDs.

emitting siv lead ua

Lub keeb kwm ntawm kev siv ntawm semiconductors laus pib siv E-hom teeb. AS Popov, uas yog suav hais tias yog inventor ntawm tus xov tooj cua, searching los ntawm txoj kev yooj yim semiconductor ntaus ntawv, lub xub ntiag ntawm xov tooj cua tsis. Popov thawj diode (ntes) tau raug tsim los ntawm tus semiconductor nti tsau nyob rau hauv ib lub yas dhos, thiab ib tug caij nplooj ntoos hlav hu ntawm ib tug taw tungsten los yog hlau. Qhov no hu yog tso siab rau tus semiconductor cheeb tsam, thiab nyob rau cov kev sib cuag point yuav mus nrhiav tau meej tshaj plaws uas lub teeb liab transceiver.

Lub peev xwm ntawm tej yam muaju rau emit teeb los ntawm cov tam sim no twb tshwm sim tom qab, los ntawm lub caij nyoog, tab sis tus thawj lub sij hawm twb tsis tau siv nyob rau hauv xyaum. Tam sim no, txawm li cas los, LEDs yog lug siv nyob rau hauv tshwj xeeb cov khoom, thiab nyob rau hauv lub neej txhua hnub.

Yuav ua li cas yog ib tug LED, txoj kev nws zoo rau hauv daim ntawv?

LED ntau yam hu ua semiconductor caij muaj ib tug singularity ntawm tus siv lead ua rau emit teeb nyob rau hauv tus ntawm ib tug hluav taws xob tam sim no dhau therethrough. Cov nyhuv no yog tsis nyob rau hauv tag nrho cov semiconductors, tab sis tsuas yog cov uas nyob rau hauv tus txheej txheem ntawm recombination ntawm electrons thiab qhov qhov kev tso tawm ntawm lub zog tshwm sim nyob rau hauv lub kho qhov muag ntau yam. LED raws li ib tug pa diode, ib tug pn-hlws ris thiab kis tam sim no nyob rau hauv ib tug coj xwb.

Ib tug feature ntawm LEDs raws li lub teeb emitting ntaus ntawv yog hais tias nws yog tso tawm ncaj qha lub teeb quanta. Qhov no distinguishes nws los ntawm incandescent teeb, uas tshwm sim ua ntej cov cua kub kauv mus rau ib tug tej yam kub, los yog halogen lub teeb nrog ib tug ionization nyhuv. Zog losses nyob rau hauv lub teeb-emitting diodes tau.

Structurally, nyob rau hauv lub LED substrate yog coated nrog ib tug siv lead ua terminals rau kev twb kev txuas mus rau ib qho hluav taws xob Circuit Court thiab ib tug vaj tse, uas yog ib txhij kho qhov muag system. LED los nyob rau hauv tswvyim muaj ib tug tej yam duab qhia, nyob rau hauv hluav taws xob board nws denoted ib tug tshwj xeeb encoding.

Yuav ua li cas yog LED, thiab yuav ua li cas qhov no yog thaws rov los nyob rau hauv nws portrayal ntawm lub daim ntawv?

LED emits teeb, qhov no yog nws cov hom phiaj. Thiab nyob rau hauv lub schematic yog kom meej meej qhia los ntawm cov ob xib xub los ntawm lub caij. Kev siv cov ntaus ntawv tau txais sab heev:

• Txawv zaub. Rau taw menyuamuas ntawm ntau yam hom ntawm hluav taws xob siv cais ntsiab. ib pab pawg neeg ntawm pab kiag li lawm siv nyob rau hauv cov zaub, qhov twg txhua LED ya plays lub luag hauj lwm ntawm tus xov tooj los yog cov tsiaj ntawv. Cim LED rau hauv Circuit Court muaj nyob rau hauv cov pab pawg neeg, yuav tsum tsis txhob yuav nyias rau txhua tus, thiab rau tag nrho cov pab pawg neeg yog tso tawm nyob rau hauv daim ntawv ntawm ib tug taw qhia nrog ib tug ceg thiab numbering ntawm hu.
• Rau pej xeem, pej xeem thiab muaj teeb pom kev zoo.
• Raws li ib feem ntawm cov ntxaij vab tshaus rau sab nraum zoov broadcasting, raws li zoo li mus tsim scrolling ntawv nyeem.
• Lub optocouplers. LED los daim duab nyob rau hauv cov ntaub ntawv no yog supplemented nrog rau cov duab photodetector caij.
• Fiber-optic lub nruab. Ntawm no, cov LEDs ua raws li dab ntawm lub modulated kho qhov muag yoj.
• Yuav kom ci ntsa iab rau hauv lub kua siv lead ua screen.
• Tsim thiab kev lom zem kev lag luam.

Nta ntawm lub drawings xa mus rau lub semiconductor

Kev qauv thiab cov kev tswj kav lub los ntawm lub LED rau hauv Circuit Court. GOST 2.702-2011 prescribes:

• Portray LED thiab lwm yam Circuit Court hais los ntawm txhais tau tias kev kos duab khoom siv, los yog nyob rau hauv hluav taws xob daim ntawv. Nyob rau hauv cov ntaub ntawv no, lub kev xaiv kawg nkaus yog kom muaj ib tug daws teeb meem ntawm tsawg kawg yog 300dpi thiab muaj xws li cov extension tif los yog bmp cov ntaub ntawv.
• Lub LED yog ib tug schematic kev kawm raws li ib tug pa diode uas xa tuaj nrog nyob rau hauv ib lub voj voog. Saum toj no rau sab xis ib feem ntawm qhov ib ncig cov txheej txheem ob thaum uas tig mus sub, extending ntawm lub hauv paus neeg nyob rau ntawm ib lub mus rau sab xis ces.
• Ze LEDs qhia nws tag nrho alphanumeric code.
• Tsis muaj teeb meem li cas ib tug LED rau hauv Circuit Court, nrog rau cov polarity nyob rau hauv ib tug coj los yog lwm los yog nyob rau lub kaum sab xis, cov kev taw qhia ntawm cov xub tseem unchanged.
• Lub tso zis los ntawm cov duab peb ceg nyob rau hauv daim duab nruab nrab yog cov anode (+) thiab cov kab ntsug - ib tug cathode (-).
• Lub LED rau hauv Circuit Court yuav tsum muaj nws tus kheej serial tooj. Lub numbering mus ntawm sab laug mus rau sab xis, saum toj rau hauv qab.

LED - polarity los

LED los nyob rau daim ntawv ua rau nws yooj yim los mus txiav txim lub polarity, tab sis los mus txiav txim rau nws los ntawm tus tshiab khiv muas yam khoom, koj yuav tsum tau saib nyob rau ntawm nws hu. Zoo anode davhlau ya nyob twg feem ntau muaj ib tug ntau dua ntev tshaj lub cathode.

Yog hais tias tus LED yog mounted rau lub rooj tsavxwm, thiab nws, txawm yog vim li cas, twb tsis muaj npav hais, lub polarity ntawm lub semiconductor yuav txiav txim, ib tug los ze zog saib nyob rau ntawm nws lub cev. Los ntawm cov sab ntawm lub cathode (tsis zoo davhlau ya nyob twg) nyob rau hauv lub cev muaj ib tug ca zoo notch. Tsis tas li ntawd, lub pob tshab enclosure hom LED pom nws cov sab hauv. Kev zoo sib thooj ntawm lub khob, nyob rau lub semiconductor nti nyob, muaj ib tug ncaj qha kev txuas mus rau lub cathode.

Nyob rau hauv lub rooj plaub uas nws yog tsis yooj yim sua los mus txiav txim lub polarity ntawm lub saum toj no txoj kev, tab sis nws muaj nws lub xub ntiag ntawm ib electronic multimeter, koj muaj peev xwm siv nws. Noj qub diode ntawm paub polarity muab laaj rau lub lag luam ntaus ntawv thiab txuas mus rau lub semiconductor. Khaws cia cov polarity thaum lub diode ua tam sim no. LED kev cob cog rua rau lub xab schupam. Xyuas kom meej tias nws ua tam sim no, nco ntsoov polarity.

Lub LED rau lub Rooj Tswjhwm Saib

Thaum cov ntawv luam Circuit Court board los ua ke radiomontazhniki tus kheej system thiab specification ntawm daim ntawv teev cov ntsiab. Raws li daim ntawv no ntawm applied cim ntawm lub hom khoom zauv thiab txaus nws nyob rau hauv Circuit Court. Muaj thoob ntiaj teb cov qauv cim ntawm lub Rooj Tswjhwm Saib, uas yog feem ntau siv nyob rau hauv mas cov khoom.

Lub los ntawm cov LED lub rooj tsavxwm yog nyob rau hauv daim ntawv ntawm cov duab dluab, literal encoding thiab xov tooj. Tus thawj qhia nyob rau hauv lub ntsiab ncov qaumteb qabteb semiconductors, cov tsiaj ntawv qhia lub hom ntaus ntawv thiab xov tooj - lub serial xov tooj mus rau lub tswvyim thiab nyob rau hauv daim ntawv teev.

Ib tug graphical cim rau lub LED Circuit Court laug cam yog zoo tib yam rau nws cov duab nyob rau hauv daim duab, tab sis tej zaum yuav tsis muaj qhov ib ncig ib ncig ntawm lub diode icon. Lub literal encoding ua capital cov tsiaj ntawv - LED (mas tswvyim) thiab HL (domestic). Tus xov tooj los tom qab cov tsiaj ntawv los yog hauv qab. Tsis muaj ib tug xov tooj yog tsis yooj yim sua los mus txiav txim qhov tsis muaj lub semiconductor uas lub rooj tsavxwm tsis qhia ib tug tsawg kos.

npav LEDs

LED lettering rau lub tswvyim (npav) muaj tag nrho cov lus qhia txog tus yam ntxwv ntawm cov semiconductor ntaus ntawv. Npav muaj heev heev cov cim, li ntawd nws yog tsis muab tso rau hauv lub vaj tse nyob thiab cov hmoov txhuas nyob rau hauv Circuit Court los yog nyob rau hauv lub ntim tsis soldered ntsiab. LEDs yog nyob rau hauv lub tapes yog bays nyob rau hauv lub coils, uas dais cov npav cim. Ximxoo encoding qhia:

• Ib tug series ntawm cov khoom.
• Cov xim ntawm cov LED lub teeb. Niaj hnub nimno teeb-emitting diodes yog dawb, ntsuab, liab, xiav, txiv kab ntxwv, daj.
• Qhov zoo tshaj ntawm cov xim txaus. Piv txwv li, lub LED teeb pom kev zoo nyob rau hauv lub tsev los yog nyob rau hauv txoj kev, zaub pab kiag li lawm, teeb pom kev zoo, rau duab matrices.
• hom lens. Muaj teeb-scattering seev thiab ib tug focused tawg nrog ib tug domed, pob tshab thiab opaque lo ntsiab muag.
• Lub teeb cov zis.
• Tau ntawm hluav taws xob lub hwj chim.
• kev qhia kom paub tus code ntawm cov chaw tsim tshuaj paus. Nws twb tsis muaj tswv yim load.
• cia cim. Manufacturers cia lawv rau ib tug ua tau kev hloov kho ntawm lub ntsiab.

Muaj yog tsis muaj ib yam txuj rau cov labeling ntawm LEDs, li ntawd, txhua chaw tsim tshuaj paus muaj nws tus kheej encoding. Nco ntsoov nws yog tsis tau, tab sis cov loj manufacturers ntawm cov khoom no rau ntawm lub lag luam yog tsis heev npaum li cas. Ntawm lawv yog cov xws tuam txhab uas muag li Philips, Cree thiab Samsung.

xaus

Nyob rau hauv tas li ntawd mus pa LEDs nrog ib tug nawj, muaj SMD-LEDs nrog pawm no ntau npau. Lawv yog cov me me nyob rau hauv loj. Tsab ntawv los ntawm LEDs ntawm hom nyob rau hauv Scheme tib yam nrog LED-hais, tab sis cov board yog simplified thiab feem ntau yog tas rau ntawm lub polarity.