Xov xwm khoom
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Qee cov ntaub ntawv ntawm LED filament teeb lub teeb
LED filament teeb lub teeb yog ib lub teeb ci LED uas yog tsim los zoo ib yam li cov teeb pom kev zoo ib txwm muaj nrog cov teeb pom kev zoo rau kev zoo nkauj thiab lub teeb pom kev zoo, tab sis nrog kev ua haujlwm siab ntawm cov teeb pom kev zoo-emitting diodes (LEDs). Nws tsim nws lub teeb siv LED f. ..Nyeem ntxiv
