LED teeb pom kev zoo li cas?

Electroluminescence yog cov txheej txheem uas LEDs (Lub Teeb Emitting Diodes) tsim lub teeb. Nov yog qhov nws ua haujlwm:

1-Semiconductor Khoom: Cov khoom siv semiconductor, feem ntau yog sib xyaw ntawm cov khoom xws li phosphorous, arsenic, lossis gallium, yog siv los ua LED. Ob qhov n-hom (tsis zoo) cheeb tsam, uas muaj ntau tshaj ntawm electrons, thiab p-hom (zoo) cheeb tsam, uas tsis muaj electrons (qhov), yog tsim thaum lub semiconductor yog doped nrog impurities.

2-Electron-Hole Recombination: Cov hluav taws xob los ntawm n-hom cheeb tsam raug yuam mus rau thaj tsam p-hom thaum muaj qhov hluav taws xob muab tso rau thoob plaws LED. Cov electrons recombine nrog lub qhov nyob rau hauv lub p-hom cheeb tsam.

3-Photon Emission: Lub zog yog emitted li lub teeb (photons) thaum lub sij hawm no recombination txheej txheem. Lub zog bandgap ntawm cov khoom siv semiconductor ua haujlwm txiav txim siab xim ntawm lub teeb uas tso tawm. Lub teeb los ntawm ntau yam xim nyob ntawm cov khoom siv.

4-Efficiency: Txij li feem ntau ntawm lub zog hauv LEDs hloov mus rau hauv lub teeb es tsis yog cua sov - ib qho teeb meem tshwm sim nrog cov teeb pom kev zoo tib yam - LEDs yog qhov ua tau zoo heev.

5-Encapsulation: Los ntawm encasing lub LED nyob rau hauv ib tug ntshiab resin los yog lens, lub teeb nws emits yog nquag txhim kho. Qhov no tseem tuaj yeem pab kom diffuse lub teeb thiab ua kom nws zoo dua.

Hauv kev sib piv rau cov qauv teeb pom kev zoo, txoj hauv kev no ua rau LEDs muab cov teeb pom kev zoo, lub teeb pom kev zoo thaum siv lub zog tsawg dua.

Txawm hais tias lawv lub neej ntev thiab kev ua haujlwm zoo, LED teeb tuaj yeem muaj ntau yam teeb meem, xws li:
1) Xim Kub Variation: Cov teeb pom kev tsis sib haum hauv ib cheeb tsam tuaj yeem tshwm sim los ntawm cov xim kub hloov ntawm cov teeb ci LED.

2) Flickering: Thaum siv nrog incompatible dimmer keyboards los yog thaum muaj teeb meem nrog lub hwj chim mov, tej yam LED teeb yuav flicker.

3) Overheating: LEDs tsim hluav taws xob tsawg dua li cov teeb pom kev zoo, tab sis tsis txaus cua sov dissipation tuaj yeem ua rau overheating, uas tuaj yeem txo qhov muag teeb lub neej.

4) Cov teeb meem tsav tsheb: Yuav kom tswj tau lub zog, LED teeb xav tau tsav tsheb. Lub teeb yuav flicker, dim, lossis nres ua haujlwm tag nrho yog tias tus tsav tsheb ua haujlwm tsis zoo lossis tsis zoo.

5) Dimming Compatibility: Cov teeb meem kev ua tau zoo yuav tshwm sim vim qee lub teeb LED tsis sib haum nrog cov dimmer tam sim no.

6) Limited Beam Angle: Cov teeb pom kev tsis sib xws tuaj yeem tshwm sim los ntawm LED teeb nrog lub kaum sab xis, uas yuav tsis tsim nyog rau ntau daim ntawv thov.

7) Tus nqi pib: Txawm hais tias LED teeb txuag nyiaj dhau sijhawm, lawv tuaj yeem raug nqi ntau dua los yuav pib dua li cov teeb pom kev zoo.

8) Kev txhawj xeeb txog ib puag ncig: Yog tias tsis muab pov tseg kom tsim nyog, cov kab mob txaus ntshai xws li txhuas lossis arsenic pom hauv qee lub teeb LED tuaj yeem ua rau muaj kev phom sij rau ib puag ncig.

9) Variability nyob rau hauv Zoo: Muaj ntau ntau yam LED khoom nyob rau hauv lub lag luam, thiab tsis yog txhua txhua ntawm lawv yog tsim los rau tib cov qauv, uas ua rau variations nyob rau hauv lub neej ntev thiab kev ua tau zoo.

10) Kev tsis sib haum xeeb nrog qee qhov Fixtures: Qee qhov LED qhov muag teev, tshwj xeeb tshaj yog cov uas ua rau cov qhov muag tsis pom kev, tsis tuaj yeem ua haujlwm zoo hauv cov khoom siv tshwj xeeb.

Xaiv cov khoom zoo, xyuas kom meej tias lawv ua haujlwm nrog cov tshuab tam sim no, thiab raws li cov lus qhia kev teeb tsa feem ntau tsim nyog los daws cov teeb meem no.

Muaj ntau lub teeb strips xaiv los ntawm lub khw tam sim no, xws liCOB stripCSP strip, sib txawv nrog covSMD sawb, tiv tauj peb yog tias koj xav tau cov qauv rau kev kuaj.