Ruwan tabarau na Photochromic ruwan tabarau ne wanda launi ke canzawa tare da canjin hasken waje. Yana iya yin duhu da sauri a ƙarƙashin hasken rana, kuma watsawarsa yana raguwa sosai. Gwargwadon ƙarfin hasken, launin ruwan tabarau ya yi duhu, haka nan kuma akasin haka. Idan aka mayar da ruwan tabarau a cikin gida, launin ruwan tabarau zai iya ɓacewa da sauri zuwa yanayin haske na asali.
Sauyin launi galibi yana faruwa ne sakamakon canjin launin da ke cikin ruwan tabarau. Wannan wani abu ne da ke iya canzawa ta hanyar sinadarai.
Gabaɗaya dai, akwai nau'ikan fasahar samar da ruwan tabarau na photochromic guda uku: in-mass, spin coating, da dip coating.
Ruwan tabarau da aka yi ta hanyar samar da kayan aiki a cikin taro yana da dogon tarihi na samarwa. A halin yanzu, galibi ana yin sa ne da ma'aunin 1.56, wanda ake samu tare da hangen nesa ɗaya, bifocal da multi-focal.
Rufin juyi shine juyin juya hali a samar da ruwan tabarau na photochromic, kasancewar ruwan tabarau daban-daban daga 1.499 zuwa 1.74. Rufin juyi na photochromic yana da launin tushe mai sauƙi, saurin sauri, da duhu har ma da launi bayan canji.
Rufin da aka yi amfani da shi wajen nutsar da ruwan tabarau a cikin ruwan photochromic, don a shafa ruwan tabarau da wani Layer na photochromic a bangarorin biyu.
An sadaukar da kai ga neman ruwan tabarau mai kyau na photochromic. Tare da ƙarfin aikin bincike da ci gaba, akwai jerin ruwan tabarau masu kyau da yawa waɗanda ke da kyakkyawan aiki. Daga cikin kayan aikin photochromic na gargajiya na 1.56 tare da aikin canza launi ɗaya, yanzu mun ƙirƙiri wasu sabbin ruwan tabarau na photochromic, kamar ruwan tabarau na blueblock photochromic da ruwan tabarau na spin coating.
