Yuav kom tsis txhob coj zaub lub teeb Attenuation?

Qhov lub teeb attenuation ib txwm yog tus txij nkawm qhov teeb meem loj LED cov zaub thiab teev matrix zaub, ntxiv nrog rau qhov siv cua txias, LED kuj yuav tau txais yuav qhov kev ntsuas tam sim no. Tus pixel uas muaj li ntawm ib plurality ntawm LED yog dynamic thaum uas nyob qab tswjhwm ntawm lub teeb pem qho, ces cov qhov chaw uas ua los ntawm integrated Circuit Court/Hmong IC tsis phim nws. Thiab yuav muab siv MZD thermistor, nws tsis xav tau hloov tus thawj Circuit Court configuration, tsuas tau ntxiv ib WMZD thermistor ua ntej los yog tom qab ib pixel, thiab ua kom cov pixel li "noob", ua li no kuj yuav pab tau kom cov LED zaub lub teeb lwj kev lag kev luam.
Yog tus xaiv ntawm WMZD raws li LED pixel tam sim no thiab thaum uas tig mus tooj, xws li yog cov pixel yog muaj li ntawm 4 mus rau 6 LED/18 ~ 20mA hauv series, ces yuav ntxiv ib WMZD-A20 thermistor nyob rau hauv lub voj, thaum tus kub ambient hloov tawm - 40℃ ~ 120℃, pixel tam sim no ib txwm nyob siab thaum 18 ~ 20mA, nws txwv tsis pub cov LED lub teeb attenuation zoo , thiab A20 thermistor zog noj yog tsawg tshaj 60 mW.


Yog LED pixel modules 100mA, ces yuav siv lub WMZD-B100 Circuit Court, yog tus module yog 200mA, ces siv ib tug B100, noj nqos tau cov B100 yog tsis tau muaj 65 mW.

Short, siv cov WMZD thermistor hauv loj LED npo ib innovation hauj, nws tsis xav tau hloov txoj no, koj yuav pom nws cov hauj lwm zoo cia li los ntawm ib cov module zaub, tus pas ntsuas kub, ammeter, ncu los tso cua sov.

 

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