<SEC-DOCUMENT>0000950170-25-057999-index.html : 20250424
<SEC-HEADER>0000950170-25-057999.hdr.sgml : 20250424
<ACCEPTANCE-DATETIME>20250424160503
ACCESSION NUMBER:		0000950170-25-057999
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20250424
DATE AS OF CHANGE:		20250424

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIVERSAL DISPLAY CORP \PA\
		CENTRAL INDEX KEY:			0001005284
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				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:		25867232

	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>2025_oled_defa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: 2025_oled_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img163934365_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: img163934365_0.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img163934365_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: img163934365_1.jpg

</DOCUMENT>
</SEC-DOCUMENT>