Mai i te tau 1947, kua tū te ISA International Sign Expo i Amerika i ia tau i te marama o Poutū-te-rangi, o Āperira rānei, i waenga i a Orlando me Las Vegas. Hei te whakaaturanga nui rawa atu i roto i te umanga tohu, whakairoiro, tā me te whakawhitiwhiti kōrero tirohanga, he maha ngā tohunga ngaio o te ao e kukume ana i te ISA Sign Expo i ia tau. I roto i te ISA Sign Expo, ka kite koe i te nuinga o ngā mīhini hanga tohu me te tā hou.
Ka tū te ISA Sign Expo 2019 mai i te 23 o Paenga-whāwhā ki te 26 o Paenga-whāwhā, 2019 i te Mandalay Bay Convention Center i Las Vegas, Nevada.
Kei te piki haere te rongonui o ngā mīhini tā UV i roto i te umanga tā, inā koa ko ngā mea whakatakotoranga-rahi. Hei ārai i te wera nui o te UV LED i roto i te mīhini tā UV, ka taea e ngā mīhini whakamatao wai ahumahi a S&A Teyu te whakarato i te whakamatao whai hua mō te UV LED.
Mīhini Whakamatao Wai Ahumahi S&A Teyu mō te Whakamatao Pūtake Rama UV LED
