<SEC-DOCUMENT>0000950170-23-013673-index.html : 20230420
<SEC-HEADER>0000950170-23-013673.hdr.sgml : 20230420
<ACCEPTANCE-DATETIME>20230420160433
ACCESSION NUMBER:		0000950170-23-013673
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20230420
DATE AS OF CHANGE:		20230420

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIVERSAL DISPLAY CORP \PA\
		CENTRAL INDEX KEY:			0001005284
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				232372688
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12031
		FILM NUMBER:		23833114

	BUSINESS ADDRESS:	
		STREET 1:		250 PHILLIPS BOULEVARD
		CITY:			EWING
		STATE:			NJ
		ZIP:			08618
		BUSINESS PHONE:		6096710980

	MAIL ADDRESS:	
		STREET 1:		250 PHILLIPS BOULEVARD
		CITY:			EWING
		STATE:			NJ
		ZIP:			08618
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>oled-2023-defa-14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: oled-2023-defa-14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img195608202_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img195608202_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img195608202_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img195608202_1.jpg

</DOCUMENT>
</SEC-DOCUMENT>