Business Domain Photolithography technology is TOK's core technology used in semiconductors and Liquid Crystal Displays. Photolithography Technology News list of news March 1, 2021 NOTICE OF THE CONVOCATION OF THE 91st ORDINARY GENERAL MEETING OF SHAREHOLDERS [NEW] February 16, 2021 Institutional Investors / Analysts Meeting for Business Results of the Fiscal Year Ended December 31, 2020 [NEW] February 15, 2021 Consolidated Business Results for FY2020 [NEW]