Universal Display(OLED) - 2021 Q1 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION For the transition period from ____________ to ___________ Commission File Number 1-12031 Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 UNIVERSAL DISPLAY CORPORATION (Exact name of registrant as specified in its charter) Indicate by ch ...