Sanadihii la soo dhaafay, daaweynta iftiinka LED waxay heshay caan ah sida daaweyn aan fiicneyn oo waxtar leh oo loogu talagalay dhibaatooyinka maqaarka ee kala duwan. Mid ka mid ah aaladaha ugu caansan daawayntan waa mashiinka daawaynta iftiinka iftiinka ee PDT, kaas oo si weyn loo isticmaalo, oo ay ku jiraan Shiinaha. Sidoo kale loo yaqaan daawaynta sawir-qaadista (PDT), daawaynta biolight-kan waxay isticmaashaa mowjadaha dhaadheer ee iftiinka LED-ka si ay u beegsato welwelka maqaarka ee kala duwan, taasoo ka dhigaysa ikhtiyaar daaweyn oo faa'iido leh.