Ndi kukhwima kwa ukadaulo wa LED, machubu otsogola apamwamba amawonekera pang'onopang'ono, kotero msika ukuyembekeza zambiri zamphamvu zotsika koma ndi zinthu zambiri zotulutsa lumen.

Mu Seputembala 2013, Japan magnate Endo Lighting akufuna chubu la LED lokhala ndi kuwala kwa 140lm/W, zomwe zidayambitsa kukambirana ndi kuwomba m'manja!Ngakhale kuwala kwa kuwala kwa chipangizo cha LED kwawonjezeka kwambiri posachedwapa, koma kuwala kotereku mu chubu la LED kumadabwitsanso anthu ambiri.

Patapita pafupifupi mwezi umodzi, PVTECH yochokera ku Xiamen China ikupereka chubu la LED lokhala ndi mphamvu ya 145lm/W ya lumen.Chubu cha LED ichi chikhoza kutchedwa zojambulajambula mumakampani a LED.

Ndikosavuta kupanga lumen yayikulu mukawonjezera kuchuluka kwa chip cha LED.Koma mawonekedwe omveka bwino komanso oyendetsa bwino kwambiri ophatikizana amatha kuzindikira bwino kwambiri lumen ya chubu la LED.Izi zikuwonetsanso kuti ukadaulo wa China mainland LED upitilira kale wa Taiwan ndi waku Korea, ndikuyandikira ku Japan.