1. Ƙaramin girma, zubar da zafi da ruɓewar haske manyan matsaloli ne
LightmanYa yi imanin cewa don inganta tsarin filament na fitilun filament na LED, fitilun filament na LED a halin yanzu suna cike da iskar gas mara aiki don watsa zafi na radiation, kuma akwai babban gibi tsakanin ainihin aikace-aikacen da tasirin ƙira. Hakanan, tunda filament na LED guntu ne a cikin nau'in fakitin COB, amfani da wasu hanyoyin fasaha masu inganci don rage samar da zafi ko isar da zafi cikin sauri garanti ne na ƙarancin lalacewa da tsawon rai na fitilar filament na LED, kamar inganta siffar substrate da kayan substrate. Zaɓi, yanayin shunt na thermoelectric, da sauransu.

2. Ba za a iya kawar da stroboscopic gaba ɗaya ba
Dangane da matsalar walƙiyar fitilun filament na LED, lightman ya yi imanin cewa fitilun filament na LED ƙanana ne kuma ƙanana ne a sararin shigarwa. Iyakantaccen sararin shigarwa yana da ƙa'idodi masu tsauri akan girman abubuwan da aka haɗa, kuma a halin yanzu ana iya amfani da su tare da ƙarancin ƙarfi da ƙaramin sararin shigarwa. Layin layi mai ƙarfi na samfurin kawai ya cika wannan buƙata. Saboda tasirin "rami" da layin layi mai ƙarfi na wutar lantarki ke haifarwa a cikin saurin wucewar wutar lantarki, yana da matukar wahala a cimma walƙiyar stroboscopic a cikin ƙarfin samarwa mai girma a ƙarƙashin ra'ayin cewa fasahar diyya ba ta da ingantattun hanyoyin fasaha. Babu stroboscopic gaba ɗaya kuma babu cikakken mafita. Ana iya amfani da hanyoyin fasaha kawai don rage tasirin "rami" da kuma sarrafa stroboscopic zuwa wani takamaiman yanayi.